2003-01-09 12:36:05 +00:00
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/* stringhelp.c - standard string helper functions
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2010-03-24 12:15:30 +00:00
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* Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007,
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* 2008, 2009, 2010 Free Software Foundation, Inc.
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2014-04-15 16:40:48 +02:00
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* Copyright (C) 2014 Werner Koch
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2003-01-09 12:36:05 +00:00
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*
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2011-09-30 12:52:11 +02:00
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* This file is part of JNLIB, which is a subsystem of GnuPG.
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2003-01-09 12:36:05 +00:00
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*
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2006-10-02 11:54:35 +00:00
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* JNLIB is free software; you can redistribute it and/or modify it
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2011-09-30 12:52:11 +02:00
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* under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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2003-01-09 12:36:05 +00:00
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*
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2006-10-02 11:54:35 +00:00
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* JNLIB is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2011-09-30 12:52:11 +02:00
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* General Public License for more details.
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2003-01-09 12:36:05 +00:00
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*
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2011-09-30 12:52:11 +02:00
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* You should have received a copies of the GNU General Public License
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* and the GNU Lesser General Public License along with this program;
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* if not, see <http://www.gnu.org/licenses/>.
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2003-01-09 12:36:05 +00:00
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <ctype.h>
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2009-08-25 20:19:37 +00:00
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#include <errno.h>
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2009-08-26 08:55:57 +00:00
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#ifdef HAVE_PWD_H
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# include <pwd.h>
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#endif
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#include <unistd.h>
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#include <sys/types.h>
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2004-12-13 15:49:56 +00:00
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#ifdef HAVE_W32_SYSTEM
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2014-03-07 09:46:44 +01:00
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# ifdef HAVE_WINSOCK2_H
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# include <winsock2.h>
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# endif
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2009-08-26 08:55:57 +00:00
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# include <windows.h>
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2004-12-13 15:49:56 +00:00
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#endif
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2003-01-09 12:36:05 +00:00
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#include "libjnlib-config.h"
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2003-06-18 19:56:13 +00:00
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#include "utf8conv.h"
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2014-04-15 16:40:48 +02:00
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#include "sysutils.h"
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2003-01-09 12:36:05 +00:00
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#include "stringhelp.h"
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2007-06-19 09:11:11 +00:00
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#define tohex_lower(n) ((n) < 10 ? ((n) + '0') : (((n) - 10) + 'a'))
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2008-10-29 17:24:27 +00:00
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/* Sometimes we want to avoid mixing slashes and backslashes on W32
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and prefer backslashes. There is usual no problem with mixing
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them, however a very few W32 API calls can't grok plain slashes.
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Printing filenames with mixed slashes also looks a bit strange.
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This function has no effext on POSIX. */
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static inline char *
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change_slashes (char *name)
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{
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2010-03-24 12:15:30 +00:00
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#ifdef HAVE_DOSISH_SYSTEM
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2008-10-29 17:24:27 +00:00
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char *p;
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if (strchr (name, '\\'))
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{
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for (p=name; *p; p++)
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if (*p == '/')
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*p = '\\';
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}
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2010-03-24 12:15:30 +00:00
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#endif /*HAVE_DOSISH_SYSTEM*/
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2008-10-29 17:24:27 +00:00
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return name;
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}
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2013-02-21 20:25:12 +01:00
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/*
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2014-03-14 16:12:54 +01:00
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* Check whether STRING starts with KEYWORD. The keyword is
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2013-02-21 20:25:12 +01:00
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* delimited by end of string, a space or a tab. Returns NULL if not
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* found or a pointer into STRING to the next non-space character
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* after the KEYWORD (which may be end of string).
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*/
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char *
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has_leading_keyword (const char *string, const char *keyword)
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{
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size_t n = strlen (keyword);
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if (!strncmp (string, keyword, n)
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&& (!string[n] || string[n] == ' ' || string[n] == '\t'))
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{
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string += n;
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while (*string == ' ' || *string == '\t')
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string++;
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return (char*)string;
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}
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return NULL;
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}
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2004-12-13 15:49:56 +00:00
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/*
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* Look for the substring SUB in buffer and return a pointer to that
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2005-06-16 08:12:03 +00:00
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* substring in BUFFER or NULL if not found.
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2003-01-09 12:36:05 +00:00
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* Comparison is case-insensitive.
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*/
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const char *
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2005-06-16 08:12:03 +00:00
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memistr (const void *buffer, size_t buflen, const char *sub)
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2003-01-09 12:36:05 +00:00
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{
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2005-06-16 08:12:03 +00:00
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const unsigned char *buf = buffer;
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const unsigned char *t = (const unsigned char *)buffer;
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const unsigned char *s = (const unsigned char *)sub;
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size_t n = buflen;
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2003-01-09 12:36:05 +00:00
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2005-06-16 08:12:03 +00:00
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for ( ; n ; t++, n-- )
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{
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if ( toupper (*t) == toupper (*s) )
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{
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for ( buf=t++, buflen = n--, s++;
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n && toupper (*t) == toupper (*s); t++, s++, n-- )
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;
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if (!*s)
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return (const char*)buf;
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t = buf;
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s = (const unsigned char *)sub ;
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n = buflen;
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2003-01-09 12:36:05 +00:00
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}
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2005-06-16 08:12:03 +00:00
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}
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return NULL;
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2003-01-09 12:36:05 +00:00
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}
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2003-06-18 19:56:13 +00:00
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const char *
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2005-06-16 08:12:03 +00:00
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ascii_memistr ( const void *buffer, size_t buflen, const char *sub )
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2003-06-18 19:56:13 +00:00
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{
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2005-06-16 08:12:03 +00:00
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const unsigned char *buf = buffer;
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const unsigned char *t = (const unsigned char *)buf;
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const unsigned char *s = (const unsigned char *)sub;
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size_t n = buflen;
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2003-06-18 19:56:13 +00:00
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2005-06-16 08:12:03 +00:00
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for ( ; n ; t++, n-- )
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{
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if (ascii_toupper (*t) == ascii_toupper (*s) )
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{
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for ( buf=t++, buflen = n--, s++;
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n && ascii_toupper (*t) == ascii_toupper (*s); t++, s++, n-- )
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;
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if (!*s)
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return (const char*)buf;
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t = (const unsigned char *)buf;
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s = (const unsigned char *)sub ;
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n = buflen;
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2003-06-18 19:56:13 +00:00
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}
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2005-06-16 08:12:03 +00:00
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}
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return NULL;
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2003-06-18 19:56:13 +00:00
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}
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2004-12-13 15:49:56 +00:00
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/* This function is similar to strncpy(). However it won't copy more
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than N - 1 characters and makes sure that a '\0' is appended. With
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N given as 0, nothing will happen. With DEST given as NULL, memory
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will be allocated using jnlib_xmalloc (i.e. if it runs out of core
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the function terminates). Returns DES or a pointer to the
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allocated memory.
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2003-01-09 12:36:05 +00:00
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*/
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char *
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mem2str( char *dest , const void *src , size_t n )
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{
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char *d;
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const char *s;
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if( n ) {
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if( !dest )
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dest = jnlib_xmalloc( n ) ;
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d = dest;
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s = src ;
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for(n--; n && *s; n-- )
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*d++ = *s++;
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*d = '\0' ;
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}
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return dest ;
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}
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/****************
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* remove leading and trailing white spaces
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*/
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char *
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trim_spaces( char *str )
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{
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char *string, *p, *mark;
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string = str;
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/* find first non space character */
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for( p=string; *p && isspace( *(byte*)p ) ; p++ )
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;
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/* move characters */
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for( (mark = NULL); (*string = *p); string++, p++ )
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if( isspace( *(byte*)p ) ) {
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if( !mark )
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mark = string ;
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}
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else
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mark = NULL ;
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if( mark )
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*mark = '\0' ; /* remove trailing spaces */
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return str ;
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}
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/****************
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* remove trailing white spaces
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*/
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char *
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trim_trailing_spaces( char *string )
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{
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char *p, *mark;
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for( mark = NULL, p = string; *p; p++ ) {
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if( isspace( *(byte*)p ) ) {
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if( !mark )
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mark = p;
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}
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else
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mark = NULL;
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}
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if( mark )
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*mark = '\0' ;
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return string ;
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}
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unsigned
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trim_trailing_chars( byte *line, unsigned len, const char *trimchars )
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{
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byte *p, *mark;
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unsigned n;
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for(mark=NULL, p=line, n=0; n < len; n++, p++ ) {
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if( strchr(trimchars, *p ) ) {
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if( !mark )
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mark = p;
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}
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else
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mark = NULL;
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}
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if( mark ) {
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*mark = 0;
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return mark - line;
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}
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return len;
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}
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/****************
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* remove trailing white spaces and return the length of the buffer
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*/
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unsigned
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trim_trailing_ws( byte *line, unsigned len )
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{
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return trim_trailing_chars( line, len, " \t\r\n" );
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}
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2003-06-18 19:56:13 +00:00
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size_t
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length_sans_trailing_chars (const unsigned char *line, size_t len,
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const char *trimchars )
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{
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const unsigned char *p, *mark;
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size_t n;
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2011-02-04 12:57:53 +01:00
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2003-06-18 19:56:13 +00:00
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for( mark=NULL, p=line, n=0; n < len; n++, p++ )
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{
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if (strchr (trimchars, *p ))
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{
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if( !mark )
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mark = p;
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}
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else
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mark = NULL;
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}
|
2011-02-04 12:57:53 +01:00
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if (mark)
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2003-06-18 19:56:13 +00:00
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return mark - line;
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return len;
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}
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|
2006-05-23 16:19:43 +00:00
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/*
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* Return the length of line ignoring trailing white-space.
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2003-06-18 19:56:13 +00:00
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*/
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size_t
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length_sans_trailing_ws (const unsigned char *line, size_t len)
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{
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return length_sans_trailing_chars (line, len, " \t\r\n");
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}
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|
2003-01-09 12:36:05 +00:00
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2009-07-07 16:51:33 +00:00
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/*
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* Extract from a given path the filename component. This function
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* terminates the process on memory shortage.
|
2003-01-09 12:36:05 +00:00
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*/
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char *
|
2006-04-21 12:56:40 +00:00
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make_basename(const char *filepath, const char *inputpath)
|
2003-01-09 12:36:05 +00:00
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{
|
2006-04-21 12:56:40 +00:00
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#ifdef __riscos__
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|
|
return riscos_make_basename(filepath, inputpath);
|
2008-10-20 13:53:23 +00:00
|
|
|
|
#else
|
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
|
|
(void)inputpath; /* Only required for riscos. */
|
2006-04-21 12:56:40 +00:00
|
|
|
|
|
2003-01-09 12:36:05 +00:00
|
|
|
|
if ( !(p=strrchr(filepath, '/')) )
|
2010-03-24 12:15:30 +00:00
|
|
|
|
#ifdef HAVE_DOSISH_SYSTEM
|
2003-01-09 12:36:05 +00:00
|
|
|
|
if ( !(p=strrchr(filepath, '\\')) )
|
2010-03-24 12:15:30 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef HAVE_DRIVE_LETTERS
|
2003-01-09 12:36:05 +00:00
|
|
|
|
if ( !(p=strrchr(filepath, ':')) )
|
2006-04-21 12:56:40 +00:00
|
|
|
|
#endif
|
2003-01-09 12:36:05 +00:00
|
|
|
|
{
|
|
|
|
|
return jnlib_xstrdup(filepath);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return jnlib_xstrdup(p+1);
|
2008-10-20 13:53:23 +00:00
|
|
|
|
#endif
|
2003-01-09 12:36:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2009-07-07 16:51:33 +00:00
|
|
|
|
/*
|
|
|
|
|
* Extract from a given filename the path prepended to it. If there
|
|
|
|
|
* isn't a path prepended to the filename, a dot is returned ('.').
|
|
|
|
|
* This function terminates the process on memory shortage.
|
2003-01-09 12:36:05 +00:00
|
|
|
|
*/
|
|
|
|
|
char *
|
|
|
|
|
make_dirname(const char *filepath)
|
|
|
|
|
{
|
|
|
|
|
char *dirname;
|
|
|
|
|
int dirname_length;
|
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
|
|
if ( !(p=strrchr(filepath, '/')) )
|
2010-03-24 12:15:30 +00:00
|
|
|
|
#ifdef HAVE_DOSISH_SYSTEM
|
2003-01-09 12:36:05 +00:00
|
|
|
|
if ( !(p=strrchr(filepath, '\\')) )
|
2010-03-24 12:15:30 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef HAVE_DRIVE_LETTERS
|
2003-01-09 12:36:05 +00:00
|
|
|
|
if ( !(p=strrchr(filepath, ':')) )
|
2007-08-02 18:12:43 +00:00
|
|
|
|
#endif
|
2003-01-09 12:36:05 +00:00
|
|
|
|
{
|
|
|
|
|
return jnlib_xstrdup(".");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
dirname_length = p-filepath;
|
|
|
|
|
dirname = jnlib_xmalloc(dirname_length+1);
|
|
|
|
|
strncpy(dirname, filepath, dirname_length);
|
|
|
|
|
dirname[dirname_length] = 0;
|
|
|
|
|
|
|
|
|
|
return dirname;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2008-10-29 17:24:27 +00:00
|
|
|
|
|
2009-08-26 09:24:04 +00:00
|
|
|
|
static char *
|
|
|
|
|
get_pwdir (int xmode, const char *name)
|
|
|
|
|
{
|
|
|
|
|
char *result = NULL;
|
|
|
|
|
#ifdef HAVE_PWD_H
|
|
|
|
|
struct passwd *pwd = NULL;
|
|
|
|
|
|
|
|
|
|
if (name)
|
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_GETPWNAM
|
|
|
|
|
/* Fixme: We should use getpwnam_r if available. */
|
|
|
|
|
pwd = getpwnam (name);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_GETPWUID
|
|
|
|
|
/* Fixme: We should use getpwuid_r if available. */
|
|
|
|
|
pwd = getpwuid (getuid());
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
if (pwd)
|
|
|
|
|
{
|
|
|
|
|
if (xmode)
|
|
|
|
|
result = jnlib_xstrdup (pwd->pw_dir);
|
|
|
|
|
else
|
|
|
|
|
result = jnlib_strdup (pwd->pw_dir);
|
|
|
|
|
}
|
2010-02-26 18:44:36 +00:00
|
|
|
|
#else /*!HAVE_PWD_H*/
|
|
|
|
|
/* No support at all. */
|
|
|
|
|
(void)xmode;
|
|
|
|
|
(void)name;
|
2009-08-26 09:24:04 +00:00
|
|
|
|
#endif /*HAVE_PWD_H*/
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
2014-04-15 16:40:48 +02:00
|
|
|
|
|
|
|
|
|
/* xmode 0 := Return NULL on error
|
|
|
|
|
1 := Terminate on error
|
|
|
|
|
2 := Make sure that name is absolute; return NULL on error
|
|
|
|
|
3 := Make sure that name is absolute; terminate on error
|
|
|
|
|
*/
|
2009-08-26 08:55:57 +00:00
|
|
|
|
static char *
|
|
|
|
|
do_make_filename (int xmode, const char *first_part, va_list arg_ptr)
|
|
|
|
|
{
|
|
|
|
|
const char *argv[32];
|
|
|
|
|
int argc;
|
2011-02-04 12:57:53 +01:00
|
|
|
|
size_t n;
|
2009-08-26 08:55:57 +00:00
|
|
|
|
int skip = 1;
|
|
|
|
|
char *home_buffer = NULL;
|
2011-02-04 12:57:53 +01:00
|
|
|
|
char *name, *home, *p;
|
2014-04-15 16:40:48 +02:00
|
|
|
|
int want_abs;
|
|
|
|
|
|
|
|
|
|
want_abs = !!(xmode & 2);
|
|
|
|
|
xmode &= 1;
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|
|
|
|
|
n = strlen (first_part) + 1;
|
2009-08-26 08:55:57 +00:00
|
|
|
|
argc = 0;
|
2011-02-04 12:57:53 +01:00
|
|
|
|
while ( (argv[argc] = va_arg (arg_ptr, const char *)) )
|
2009-08-26 08:55:57 +00:00
|
|
|
|
{
|
2011-02-04 12:57:53 +01:00
|
|
|
|
n += strlen (argv[argc]) + 1;
|
2009-08-26 08:55:57 +00:00
|
|
|
|
if (argc >= DIM (argv)-1)
|
|
|
|
|
{
|
|
|
|
|
if (xmode)
|
|
|
|
|
BUG ();
|
2010-02-26 18:44:36 +00:00
|
|
|
|
jnlib_set_errno (EINVAL);
|
2009-08-26 08:55:57 +00:00
|
|
|
|
return NULL;
|
|
|
|
|
}
|
2011-02-04 12:57:53 +01:00
|
|
|
|
argc++;
|
2009-08-26 08:55:57 +00:00
|
|
|
|
}
|
|
|
|
|
n++;
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|
|
|
|
|
home = NULL;
|
2009-08-26 08:55:57 +00:00
|
|
|
|
if (*first_part == '~')
|
|
|
|
|
{
|
|
|
|
|
if (first_part[1] == '/' || !first_part[1])
|
|
|
|
|
{
|
|
|
|
|
/* This is the "~/" or "~" case. */
|
|
|
|
|
home = getenv("HOME");
|
|
|
|
|
if (!home)
|
2009-08-26 09:24:04 +00:00
|
|
|
|
home = home_buffer = get_pwdir (xmode, NULL);
|
2009-08-26 08:55:57 +00:00
|
|
|
|
if (home && *home)
|
2011-02-04 12:57:53 +01:00
|
|
|
|
n += strlen (home);
|
2009-08-26 08:55:57 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* This is the "~username/" or "~username" case. */
|
|
|
|
|
char *user;
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|
2009-08-26 08:55:57 +00:00
|
|
|
|
if (xmode)
|
|
|
|
|
user = jnlib_xstrdup (first_part+1);
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
user = jnlib_strdup (first_part+1);
|
|
|
|
|
if (!user)
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
p = strchr (user, '/');
|
|
|
|
|
if (p)
|
|
|
|
|
*p = 0;
|
|
|
|
|
skip = 1 + strlen (user);
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|
2009-08-26 09:24:04 +00:00
|
|
|
|
home = home_buffer = get_pwdir (xmode, user);
|
2009-08-26 08:55:57 +00:00
|
|
|
|
jnlib_free (user);
|
|
|
|
|
if (home)
|
|
|
|
|
n += strlen (home);
|
|
|
|
|
else
|
|
|
|
|
skip = 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (xmode)
|
|
|
|
|
name = jnlib_xmalloc (n);
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
name = jnlib_malloc (n);
|
|
|
|
|
if (!name)
|
|
|
|
|
{
|
|
|
|
|
jnlib_free (home_buffer);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|
2009-08-26 08:55:57 +00:00
|
|
|
|
if (home)
|
|
|
|
|
p = stpcpy (stpcpy (name, home), first_part + skip);
|
|
|
|
|
else
|
|
|
|
|
p = stpcpy (name, first_part);
|
2008-10-29 17:24:27 +00:00
|
|
|
|
|
2009-08-26 08:55:57 +00:00
|
|
|
|
jnlib_free (home_buffer);
|
|
|
|
|
for (argc=0; argv[argc]; argc++)
|
|
|
|
|
p = stpcpy (stpcpy (p, "/"), argv[argc]);
|
|
|
|
|
|
2014-04-15 16:40:48 +02:00
|
|
|
|
if (want_abs)
|
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_DRIVE_LETTERS
|
|
|
|
|
p = strchr (name, ':');
|
2014-05-14 10:26:30 +02:00
|
|
|
|
if (p)
|
|
|
|
|
p++;
|
|
|
|
|
else
|
2014-04-15 16:40:48 +02:00
|
|
|
|
p = name;
|
|
|
|
|
#else
|
|
|
|
|
p = name;
|
|
|
|
|
#endif
|
|
|
|
|
if (*p != '/'
|
|
|
|
|
#ifdef HAVE_DRIVE_LETTERS
|
|
|
|
|
&& *p != '\\'
|
|
|
|
|
#endif
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
home = gnupg_getcwd ();
|
|
|
|
|
if (!home)
|
|
|
|
|
{
|
|
|
|
|
if (xmode)
|
|
|
|
|
{
|
|
|
|
|
fprintf (stderr, "\nfatal: getcwd failed: %s\n",
|
|
|
|
|
strerror (errno));
|
|
|
|
|
exit(2);
|
|
|
|
|
}
|
|
|
|
|
jnlib_free (name);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
n = strlen (home) + 1 + strlen (name) + 1;
|
|
|
|
|
if (xmode)
|
|
|
|
|
home_buffer = jnlib_xmalloc (n);
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
home_buffer = jnlib_malloc (n);
|
|
|
|
|
if (!home_buffer)
|
|
|
|
|
{
|
|
|
|
|
jnlib_free (name);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (p == name)
|
|
|
|
|
p = home_buffer;
|
|
|
|
|
else /* Windows case. */
|
|
|
|
|
{
|
|
|
|
|
memcpy (home_buffer, p, p - name + 1);
|
|
|
|
|
p = home_buffer + (p - name + 1);
|
|
|
|
|
}
|
|
|
|
|
strcpy (stpcpy (stpcpy (p, home), "/"), name);
|
|
|
|
|
jnlib_free (name);
|
|
|
|
|
name = home_buffer;
|
|
|
|
|
/* Let's do a simple compression to catch the most common
|
|
|
|
|
case of using "." for gpg's --homedir option. */
|
|
|
|
|
n = strlen (name);
|
|
|
|
|
if (n > 2 && name[n-2] == '/' && name[n-1] == '.')
|
|
|
|
|
name[n-2] = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
2009-08-26 08:55:57 +00:00
|
|
|
|
return change_slashes (name);
|
|
|
|
|
}
|
2008-10-29 17:24:27 +00:00
|
|
|
|
|
|
|
|
|
/* Construct a filename from the NULL terminated list of parts. Tilde
|
2009-08-26 08:55:57 +00:00
|
|
|
|
expansion is done for the first argument. This function terminates
|
|
|
|
|
the process on memory shortage. */
|
2003-01-09 12:36:05 +00:00
|
|
|
|
char *
|
2008-10-29 17:24:27 +00:00
|
|
|
|
make_filename (const char *first_part, ... )
|
2003-01-09 12:36:05 +00:00
|
|
|
|
{
|
2009-08-26 08:55:57 +00:00
|
|
|
|
va_list arg_ptr;
|
|
|
|
|
char *result;
|
|
|
|
|
|
|
|
|
|
va_start (arg_ptr, first_part);
|
|
|
|
|
result = do_make_filename (1, first_part, arg_ptr);
|
|
|
|
|
va_end (arg_ptr);
|
|
|
|
|
return result;
|
2008-10-29 17:24:27 +00:00
|
|
|
|
}
|
2007-08-02 18:12:43 +00:00
|
|
|
|
|
2008-10-29 17:24:27 +00:00
|
|
|
|
/* Construct a filename from the NULL terminated list of parts. Tilde
|
2009-08-26 08:55:57 +00:00
|
|
|
|
expansion is done for the first argument. This function may return
|
|
|
|
|
NULL on error. */
|
2008-10-29 17:24:27 +00:00
|
|
|
|
char *
|
|
|
|
|
make_filename_try (const char *first_part, ... )
|
|
|
|
|
{
|
2009-08-26 08:55:57 +00:00
|
|
|
|
va_list arg_ptr;
|
|
|
|
|
char *result;
|
|
|
|
|
|
|
|
|
|
va_start (arg_ptr, first_part);
|
|
|
|
|
result = do_make_filename (0, first_part, arg_ptr);
|
|
|
|
|
va_end (arg_ptr);
|
|
|
|
|
return result;
|
2003-01-09 12:36:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
2014-04-15 16:40:48 +02:00
|
|
|
|
/* Construct an absolute filename from the NULL terminated list of
|
|
|
|
|
parts. Tilde expansion is done for the first argument. This
|
|
|
|
|
function terminates the process on memory shortage. */
|
|
|
|
|
char *
|
|
|
|
|
make_absfilename (const char *first_part, ... )
|
|
|
|
|
{
|
|
|
|
|
va_list arg_ptr;
|
|
|
|
|
char *result;
|
|
|
|
|
|
|
|
|
|
va_start (arg_ptr, first_part);
|
|
|
|
|
result = do_make_filename (3, first_part, arg_ptr);
|
|
|
|
|
va_end (arg_ptr);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Construct an absolute filename from the NULL terminated list of
|
|
|
|
|
parts. Tilde expansion is done for the first argument. This
|
|
|
|
|
function may return NULL on error. */
|
|
|
|
|
char *
|
|
|
|
|
make_absfilename_try (const char *first_part, ... )
|
|
|
|
|
{
|
|
|
|
|
va_list arg_ptr;
|
|
|
|
|
char *result;
|
|
|
|
|
|
|
|
|
|
va_start (arg_ptr, first_part);
|
|
|
|
|
result = do_make_filename (2, first_part, arg_ptr);
|
|
|
|
|
va_end (arg_ptr);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
2003-01-09 12:36:05 +00:00
|
|
|
|
|
2008-10-29 17:24:27 +00:00
|
|
|
|
|
2007-08-24 09:34:39 +00:00
|
|
|
|
/* Compare whether the filenames are identical. This is a
|
2007-08-27 18:10:27 +00:00
|
|
|
|
special version of strcmp() taking the semantics of filenames in
|
2007-08-24 09:34:39 +00:00
|
|
|
|
account. Note that this function works only on the supplied names
|
2010-03-24 12:15:30 +00:00
|
|
|
|
without considering any context like the current directory. See
|
2007-08-24 09:34:39 +00:00
|
|
|
|
also same_file_p(). */
|
2003-01-09 12:36:05 +00:00
|
|
|
|
int
|
2007-08-02 18:12:43 +00:00
|
|
|
|
compare_filenames (const char *a, const char *b)
|
2003-01-09 12:36:05 +00:00
|
|
|
|
{
|
2010-03-24 12:15:30 +00:00
|
|
|
|
#ifdef HAVE_DOSISH_SYSTEM
|
2011-02-04 12:57:53 +01:00
|
|
|
|
for ( ; *a && *b; a++, b++ )
|
2007-08-02 18:12:43 +00:00
|
|
|
|
{
|
2011-02-04 12:57:53 +01:00
|
|
|
|
if (*a != *b
|
2007-08-02 18:12:43 +00:00
|
|
|
|
&& (toupper (*(const unsigned char*)a)
|
|
|
|
|
!= toupper (*(const unsigned char*)b) )
|
|
|
|
|
&& !((*a == '/' && *b == '\\') || (*a == '\\' && *b == '/')))
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if ((*a == '/' && *b == '\\') || (*a == '\\' && *b == '/'))
|
|
|
|
|
return 0;
|
|
|
|
|
else
|
2011-02-04 12:57:53 +01:00
|
|
|
|
return (toupper (*(const unsigned char*)a)
|
2007-08-02 18:12:43 +00:00
|
|
|
|
- toupper (*(const unsigned char*)b));
|
2003-06-18 19:56:13 +00:00
|
|
|
|
#else
|
2003-01-09 12:36:05 +00:00
|
|
|
|
return strcmp(a,b);
|
2003-06-18 19:56:13 +00:00
|
|
|
|
#endif
|
2003-01-09 12:36:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
2006-05-23 16:19:43 +00:00
|
|
|
|
|
|
|
|
|
/* Convert 2 hex characters at S to a byte value. Return this value
|
|
|
|
|
or -1 if there is an error. */
|
|
|
|
|
int
|
|
|
|
|
hextobyte (const char *s)
|
|
|
|
|
{
|
|
|
|
|
int c;
|
|
|
|
|
|
|
|
|
|
if ( *s >= '0' && *s <= '9' )
|
|
|
|
|
c = 16 * (*s - '0');
|
|
|
|
|
else if ( *s >= 'A' && *s <= 'F' )
|
|
|
|
|
c = 16 * (10 + *s - 'A');
|
|
|
|
|
else if ( *s >= 'a' && *s <= 'f' )
|
|
|
|
|
c = 16 * (10 + *s - 'a');
|
|
|
|
|
else
|
|
|
|
|
return -1;
|
|
|
|
|
s++;
|
|
|
|
|
if ( *s >= '0' && *s <= '9' )
|
|
|
|
|
c += *s - '0';
|
|
|
|
|
else if ( *s >= 'A' && *s <= 'F' )
|
|
|
|
|
c += 10 + *s - 'A';
|
|
|
|
|
else if ( *s >= 'a' && *s <= 'f' )
|
|
|
|
|
c += 10 + *s - 'a';
|
|
|
|
|
else
|
|
|
|
|
return -1;
|
|
|
|
|
return c;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2003-01-09 12:36:05 +00:00
|
|
|
|
/* Print a BUFFER to stream FP while replacing all control characters
|
2006-05-23 16:19:43 +00:00
|
|
|
|
and the characters DELIM and DELIM2 with standard C escape
|
|
|
|
|
sequences. Returns the number of characters printed. */
|
2011-02-04 12:57:53 +01:00
|
|
|
|
size_t
|
2006-05-23 16:19:43 +00:00
|
|
|
|
print_sanitized_buffer2 (FILE *fp, const void *buffer, size_t length,
|
|
|
|
|
int delim, int delim2)
|
2003-01-09 12:36:05 +00:00
|
|
|
|
{
|
|
|
|
|
const unsigned char *p = buffer;
|
|
|
|
|
size_t count = 0;
|
|
|
|
|
|
|
|
|
|
for (; length; length--, p++, count++)
|
|
|
|
|
{
|
2011-02-04 12:57:53 +01:00
|
|
|
|
if (*p < 0x20
|
2008-06-26 19:09:07 +00:00
|
|
|
|
|| *p == 0x7f
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|| *p == delim
|
2006-05-23 16:19:43 +00:00
|
|
|
|
|| *p == delim2
|
|
|
|
|
|| ((delim || delim2) && *p=='\\'))
|
2003-01-09 12:36:05 +00:00
|
|
|
|
{
|
|
|
|
|
putc ('\\', fp);
|
|
|
|
|
count++;
|
|
|
|
|
if (*p == '\n')
|
2006-05-23 16:19:43 +00:00
|
|
|
|
{
|
|
|
|
|
putc ('n', fp);
|
|
|
|
|
count++;
|
|
|
|
|
}
|
2003-01-09 12:36:05 +00:00
|
|
|
|
else if (*p == '\r')
|
2006-05-23 16:19:43 +00:00
|
|
|
|
{
|
|
|
|
|
putc ('r', fp);
|
|
|
|
|
count++;
|
|
|
|
|
}
|
2003-01-09 12:36:05 +00:00
|
|
|
|
else if (*p == '\f')
|
2006-05-23 16:19:43 +00:00
|
|
|
|
{
|
|
|
|
|
putc ('f', fp);
|
|
|
|
|
count++;
|
|
|
|
|
}
|
2003-01-09 12:36:05 +00:00
|
|
|
|
else if (*p == '\v')
|
2006-05-23 16:19:43 +00:00
|
|
|
|
{
|
|
|
|
|
putc ('v', fp);
|
|
|
|
|
count++;
|
|
|
|
|
}
|
2003-01-09 12:36:05 +00:00
|
|
|
|
else if (*p == '\b')
|
2006-05-23 16:19:43 +00:00
|
|
|
|
{
|
|
|
|
|
putc ('b', fp);
|
|
|
|
|
count++;
|
|
|
|
|
}
|
2003-01-09 12:36:05 +00:00
|
|
|
|
else if (!*p)
|
2006-05-23 16:19:43 +00:00
|
|
|
|
{
|
|
|
|
|
putc('0', fp);
|
|
|
|
|
count++;
|
|
|
|
|
}
|
2003-01-09 12:36:05 +00:00
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
fprintf (fp, "x%02x", *p);
|
2006-04-28 14:32:13 +00:00
|
|
|
|
count += 3;
|
2003-01-09 12:36:05 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
2006-05-23 16:19:43 +00:00
|
|
|
|
{
|
|
|
|
|
putc (*p, fp);
|
|
|
|
|
count++;
|
|
|
|
|
}
|
2003-01-09 12:36:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return count;
|
|
|
|
|
}
|
|
|
|
|
|
2006-05-23 16:19:43 +00:00
|
|
|
|
/* Same as print_sanitized_buffer2 but with just one delimiter. */
|
2011-02-04 12:57:53 +01:00
|
|
|
|
size_t
|
2006-05-23 16:19:43 +00:00
|
|
|
|
print_sanitized_buffer (FILE *fp, const void *buffer, size_t length,
|
|
|
|
|
int delim)
|
|
|
|
|
{
|
|
|
|
|
return print_sanitized_buffer2 (fp, buffer, length, delim, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2011-02-04 12:57:53 +01:00
|
|
|
|
size_t
|
2003-01-09 12:36:05 +00:00
|
|
|
|
print_sanitized_utf8_buffer (FILE *fp, const void *buffer,
|
|
|
|
|
size_t length, int delim)
|
|
|
|
|
{
|
2003-06-18 19:56:13 +00:00
|
|
|
|
const char *p = buffer;
|
|
|
|
|
size_t i;
|
|
|
|
|
|
|
|
|
|
/* We can handle plain ascii simpler, so check for it first. */
|
2011-02-04 12:57:53 +01:00
|
|
|
|
for (i=0; i < length; i++ )
|
2003-06-18 19:56:13 +00:00
|
|
|
|
{
|
|
|
|
|
if ( (p[i] & 0x80) )
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (i < length)
|
|
|
|
|
{
|
|
|
|
|
char *buf = utf8_to_native (p, length, delim);
|
|
|
|
|
/*(utf8 conversion already does the control character quoting)*/
|
|
|
|
|
i = strlen (buf);
|
|
|
|
|
fputs (buf, fp);
|
|
|
|
|
jnlib_free (buf);
|
|
|
|
|
return i;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
return print_sanitized_buffer (fp, p, length, delim);
|
2003-01-09 12:36:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2011-02-04 12:57:53 +01:00
|
|
|
|
size_t
|
2006-05-23 16:19:43 +00:00
|
|
|
|
print_sanitized_string2 (FILE *fp, const char *string, int delim, int delim2)
|
|
|
|
|
{
|
|
|
|
|
return string? print_sanitized_buffer2 (fp, string, strlen (string),
|
|
|
|
|
delim, delim2):0;
|
|
|
|
|
}
|
|
|
|
|
|
2011-02-04 12:57:53 +01:00
|
|
|
|
size_t
|
2003-01-09 12:36:05 +00:00
|
|
|
|
print_sanitized_string (FILE *fp, const char *string, int delim)
|
|
|
|
|
{
|
|
|
|
|
return string? print_sanitized_buffer (fp, string, strlen (string), delim):0;
|
|
|
|
|
}
|
|
|
|
|
|
2011-02-04 12:57:53 +01:00
|
|
|
|
size_t
|
2003-01-09 12:36:05 +00:00
|
|
|
|
print_sanitized_utf8_string (FILE *fp, const char *string, int delim)
|
|
|
|
|
{
|
2004-08-18 13:21:56 +00:00
|
|
|
|
return string? print_sanitized_utf8_buffer (fp,
|
|
|
|
|
string, strlen (string),
|
|
|
|
|
delim) : 0;
|
2003-01-09 12:36:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
2009-07-07 16:51:33 +00:00
|
|
|
|
/* Create a string from the buffer P_ARG of length N which is suitable
|
|
|
|
|
for printing. Caller must release the created string using xfree.
|
|
|
|
|
This function terminates the process on memory shortage. */
|
2003-06-18 19:56:13 +00:00
|
|
|
|
char *
|
2005-06-16 08:12:03 +00:00
|
|
|
|
sanitize_buffer (const void *p_arg, size_t n, int delim)
|
2003-06-18 19:56:13 +00:00
|
|
|
|
{
|
2005-06-16 08:12:03 +00:00
|
|
|
|
const unsigned char *p = p_arg;
|
2003-06-18 19:56:13 +00:00
|
|
|
|
size_t save_n, buflen;
|
2005-06-16 08:12:03 +00:00
|
|
|
|
const unsigned char *save_p;
|
2003-06-18 19:56:13 +00:00
|
|
|
|
char *buffer, *d;
|
|
|
|
|
|
2006-04-28 14:32:13 +00:00
|
|
|
|
/* First count length. */
|
2011-02-04 12:57:53 +01:00
|
|
|
|
for (save_n = n, save_p = p, buflen=1 ; n; n--, p++ )
|
2003-06-18 19:56:13 +00:00
|
|
|
|
{
|
2004-02-18 16:59:19 +00:00
|
|
|
|
if ( *p < 0x20 || *p == 0x7f || *p == delim || (delim && *p=='\\'))
|
2003-06-18 19:56:13 +00:00
|
|
|
|
{
|
|
|
|
|
if ( *p=='\n' || *p=='\r' || *p=='\f'
|
|
|
|
|
|| *p=='\v' || *p=='\b' || !*p )
|
|
|
|
|
buflen += 2;
|
|
|
|
|
else
|
2006-04-28 14:32:13 +00:00
|
|
|
|
buflen += 5;
|
2003-06-18 19:56:13 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
buflen++;
|
|
|
|
|
}
|
|
|
|
|
p = save_p;
|
|
|
|
|
n = save_n;
|
2006-04-28 14:32:13 +00:00
|
|
|
|
/* And now make the string */
|
2003-06-18 19:56:13 +00:00
|
|
|
|
d = buffer = jnlib_xmalloc( buflen );
|
|
|
|
|
for ( ; n; n--, p++ )
|
|
|
|
|
{
|
2004-02-18 16:59:19 +00:00
|
|
|
|
if (*p < 0x20 || *p == 0x7f || *p == delim || (delim && *p=='\\')) {
|
2003-06-18 19:56:13 +00:00
|
|
|
|
*d++ = '\\';
|
|
|
|
|
if( *p == '\n' )
|
|
|
|
|
*d++ = 'n';
|
|
|
|
|
else if( *p == '\r' )
|
|
|
|
|
*d++ = 'r';
|
|
|
|
|
else if( *p == '\f' )
|
|
|
|
|
*d++ = 'f';
|
|
|
|
|
else if( *p == '\v' )
|
|
|
|
|
*d++ = 'v';
|
|
|
|
|
else if( *p == '\b' )
|
|
|
|
|
*d++ = 'b';
|
|
|
|
|
else if( !*p )
|
|
|
|
|
*d++ = '0';
|
|
|
|
|
else {
|
|
|
|
|
sprintf(d, "x%02x", *p );
|
2006-04-28 14:32:13 +00:00
|
|
|
|
d += 3;
|
2003-06-18 19:56:13 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
*d++ = *p;
|
|
|
|
|
}
|
|
|
|
|
*d = 0;
|
|
|
|
|
return buffer;
|
|
|
|
|
}
|
|
|
|
|
|
2004-12-13 15:49:56 +00:00
|
|
|
|
|
2007-01-25 10:26:55 +00:00
|
|
|
|
/* Given a string containing an UTF-8 encoded text, return the number
|
|
|
|
|
of characters in this string. It differs from strlen in that it
|
|
|
|
|
only counts complete UTF-8 characters. Note, that this function
|
|
|
|
|
does not take combined characters into account. */
|
|
|
|
|
size_t
|
|
|
|
|
utf8_charcount (const char *s)
|
|
|
|
|
{
|
|
|
|
|
size_t n;
|
|
|
|
|
|
|
|
|
|
for (n=0; *s; s++)
|
|
|
|
|
if ( (*s&0xc0) != 0x80 ) /* Exclude continuation bytes: 10xxxxxx */
|
|
|
|
|
n++;
|
|
|
|
|
|
|
|
|
|
return n;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2003-01-09 12:36:05 +00:00
|
|
|
|
/****************************************************
|
2004-12-13 15:49:56 +00:00
|
|
|
|
********** W32 specific functions ****************
|
|
|
|
|
****************************************************/
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_W32_SYSTEM
|
|
|
|
|
const char *
|
|
|
|
|
w32_strerror (int ec)
|
|
|
|
|
{
|
|
|
|
|
static char strerr[256];
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|
2004-12-13 15:49:56 +00:00
|
|
|
|
if (ec == -1)
|
|
|
|
|
ec = (int)GetLastError ();
|
2010-02-26 18:44:36 +00:00
|
|
|
|
#ifdef HAVE_W32CE_SYSTEM
|
|
|
|
|
/* There is only a wchar_t FormatMessage. It does not make much
|
|
|
|
|
sense to play the conversion game; we print only the code. */
|
|
|
|
|
snprintf (strerr, sizeof strerr, "ec=%d", (int)GetLastError ());
|
|
|
|
|
#else
|
2004-12-13 15:49:56 +00:00
|
|
|
|
FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, ec,
|
|
|
|
|
MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
|
|
|
strerr, DIM (strerr)-1, NULL);
|
2010-02-26 18:44:36 +00:00
|
|
|
|
#endif
|
2011-02-04 12:57:53 +01:00
|
|
|
|
return strerr;
|
2004-12-13 15:49:56 +00:00
|
|
|
|
}
|
|
|
|
|
#endif /*HAVE_W32_SYSTEM*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/****************************************************
|
|
|
|
|
******** Locale insensitive ctype functions ********
|
2003-01-09 12:36:05 +00:00
|
|
|
|
****************************************************/
|
|
|
|
|
/* FIXME: replace them by a table lookup and macros */
|
|
|
|
|
int
|
|
|
|
|
ascii_isupper (int c)
|
|
|
|
|
{
|
|
|
|
|
return c >= 'A' && c <= 'Z';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
ascii_islower (int c)
|
|
|
|
|
{
|
|
|
|
|
return c >= 'a' && c <= 'z';
|
|
|
|
|
}
|
|
|
|
|
|
2011-02-04 12:57:53 +01:00
|
|
|
|
int
|
2003-01-09 12:36:05 +00:00
|
|
|
|
ascii_toupper (int c)
|
|
|
|
|
{
|
|
|
|
|
if (c >= 'a' && c <= 'z')
|
|
|
|
|
c &= ~0x20;
|
|
|
|
|
return c;
|
|
|
|
|
}
|
|
|
|
|
|
2011-02-04 12:57:53 +01:00
|
|
|
|
int
|
2003-01-09 12:36:05 +00:00
|
|
|
|
ascii_tolower (int c)
|
|
|
|
|
{
|
|
|
|
|
if (c >= 'A' && c <= 'Z')
|
|
|
|
|
c |= 0x20;
|
|
|
|
|
return c;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
ascii_strcasecmp( const char *a, const char *b )
|
|
|
|
|
{
|
|
|
|
|
if (a == b)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
for (; *a && *b; a++, b++) {
|
|
|
|
|
if (*a != *b && ascii_toupper(*a) != ascii_toupper(*b))
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return *a == *b? 0 : (ascii_toupper (*a) - ascii_toupper (*b));
|
|
|
|
|
}
|
|
|
|
|
|
2011-02-04 12:57:53 +01:00
|
|
|
|
int
|
2003-06-18 19:56:13 +00:00
|
|
|
|
ascii_strncasecmp (const char *a, const char *b, size_t n)
|
|
|
|
|
{
|
|
|
|
|
const unsigned char *p1 = (const unsigned char *)a;
|
|
|
|
|
const unsigned char *p2 = (const unsigned char *)b;
|
|
|
|
|
unsigned char c1, c2;
|
|
|
|
|
|
|
|
|
|
if (p1 == p2 || !n )
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
{
|
|
|
|
|
c1 = ascii_tolower (*p1);
|
|
|
|
|
c2 = ascii_tolower (*p2);
|
|
|
|
|
|
|
|
|
|
if ( !--n || c1 == '\0')
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
++p1;
|
|
|
|
|
++p2;
|
|
|
|
|
}
|
|
|
|
|
while (c1 == c2);
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|
2003-06-18 19:56:13 +00:00
|
|
|
|
return c1 - c2;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2003-01-09 12:36:05 +00:00
|
|
|
|
int
|
2005-06-16 08:12:03 +00:00
|
|
|
|
ascii_memcasecmp (const void *a_arg, const void *b_arg, size_t n )
|
2003-01-09 12:36:05 +00:00
|
|
|
|
{
|
2005-06-16 08:12:03 +00:00
|
|
|
|
const char *a = a_arg;
|
|
|
|
|
const char *b = b_arg;
|
|
|
|
|
|
|
|
|
|
if (a == b)
|
2003-01-09 12:36:05 +00:00
|
|
|
|
return 0;
|
2005-06-16 08:12:03 +00:00
|
|
|
|
for ( ; n; n--, a++, b++ )
|
|
|
|
|
{
|
|
|
|
|
if( *a != *b && ascii_toupper (*a) != ascii_toupper (*b) )
|
|
|
|
|
return *a == *b? 0 : (ascii_toupper (*a) - ascii_toupper (*b));
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
2003-01-09 12:36:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
ascii_strcmp( const char *a, const char *b )
|
|
|
|
|
{
|
|
|
|
|
if (a == b)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
for (; *a && *b; a++, b++) {
|
|
|
|
|
if (*a != *b )
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return *a == *b? 0 : (*(signed char *)a - *(signed char *)b);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void *
|
|
|
|
|
ascii_memcasemem (const void *haystack, size_t nhaystack,
|
|
|
|
|
const void *needle, size_t nneedle)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
if (!nneedle)
|
|
|
|
|
return (void*)haystack; /* finding an empty needle is really easy */
|
|
|
|
|
if (nneedle <= nhaystack)
|
|
|
|
|
{
|
2005-06-16 08:12:03 +00:00
|
|
|
|
const char *a = haystack;
|
|
|
|
|
const char *b = a + nhaystack - nneedle;
|
2011-02-04 12:57:53 +01:00
|
|
|
|
|
2003-01-09 12:36:05 +00:00
|
|
|
|
for (; a <= b; a++)
|
|
|
|
|
{
|
|
|
|
|
if ( !ascii_memcasecmp (a, needle, nneedle) )
|
|
|
|
|
return (void *)a;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*********************************************
|
|
|
|
|
********** missing string functions *********
|
|
|
|
|
*********************************************/
|
|
|
|
|
|
|
|
|
|
#ifndef HAVE_STPCPY
|
|
|
|
|
char *
|
|
|
|
|
stpcpy(char *a,const char *b)
|
|
|
|
|
{
|
|
|
|
|
while( *b )
|
|
|
|
|
*a++ = *b++;
|
|
|
|
|
*a = 0;
|
|
|
|
|
|
|
|
|
|
return (char*)a;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
2014-11-11 15:14:31 +01:00
|
|
|
|
#ifndef HAVE_STRPBRK
|
|
|
|
|
/* Find the first occurrence in S of any character in ACCEPT.
|
|
|
|
|
Code taken from glibc-2.6/string/strpbrk.c (LGPLv2.1+) and modified. */
|
|
|
|
|
char *
|
|
|
|
|
strpbrk (const char *s, const char *accept)
|
|
|
|
|
{
|
|
|
|
|
while (*s != '\0')
|
|
|
|
|
{
|
|
|
|
|
const char *a = accept;
|
|
|
|
|
while (*a != '\0')
|
|
|
|
|
if (*a++ == *s)
|
|
|
|
|
return (char *) s;
|
|
|
|
|
++s;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
#endif /*!HAVE_STRPBRK*/
|
|
|
|
|
|
|
|
|
|
|
2006-10-02 11:54:35 +00:00
|
|
|
|
#ifndef HAVE_STRSEP
|
|
|
|
|
/* Code taken from glibc-2.2.1/sysdeps/generic/strsep.c. */
|
|
|
|
|
char *
|
|
|
|
|
strsep (char **stringp, const char *delim)
|
|
|
|
|
{
|
|
|
|
|
char *begin, *end;
|
|
|
|
|
|
|
|
|
|
begin = *stringp;
|
|
|
|
|
if (begin == NULL)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
/* A frequent case is when the delimiter string contains only one
|
2012-06-05 19:29:22 +02:00
|
|
|
|
character. Here we don't need to call the expensive 'strpbrk'
|
|
|
|
|
function and instead work using 'strchr'. */
|
2006-10-02 11:54:35 +00:00
|
|
|
|
if (delim[0] == '\0' || delim[1] == '\0')
|
|
|
|
|
{
|
|
|
|
|
char ch = delim[0];
|
|
|
|
|
|
|
|
|
|
if (ch == '\0')
|
|
|
|
|
end = NULL;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (*begin == ch)
|
|
|
|
|
end = begin;
|
|
|
|
|
else if (*begin == '\0')
|
|
|
|
|
end = NULL;
|
|
|
|
|
else
|
|
|
|
|
end = strchr (begin + 1, ch);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
/* Find the end of the token. */
|
|
|
|
|
end = strpbrk (begin, delim);
|
|
|
|
|
|
|
|
|
|
if (end)
|
|
|
|
|
{
|
|
|
|
|
/* Terminate the token and set *STRINGP past NUL character. */
|
|
|
|
|
*end++ = '\0';
|
|
|
|
|
*stringp = end;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
/* No more delimiters; this is the last token. */
|
|
|
|
|
*stringp = NULL;
|
|
|
|
|
|
|
|
|
|
return begin;
|
|
|
|
|
}
|
|
|
|
|
#endif /*HAVE_STRSEP*/
|
|
|
|
|
|
|
|
|
|
|
2003-01-09 12:36:05 +00:00
|
|
|
|
#ifndef HAVE_STRLWR
|
|
|
|
|
char *
|
|
|
|
|
strlwr(char *s)
|
|
|
|
|
{
|
|
|
|
|
char *p;
|
|
|
|
|
for(p=s; *p; p++ )
|
|
|
|
|
*p = tolower(*p);
|
|
|
|
|
return s;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef HAVE_STRCASECMP
|
|
|
|
|
int
|
|
|
|
|
strcasecmp( const char *a, const char *b )
|
|
|
|
|
{
|
|
|
|
|
for( ; *a && *b; a++, b++ ) {
|
|
|
|
|
if( *a != *b && toupper(*a) != toupper(*b) )
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return *(const byte*)a - *(const byte*)b;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/****************
|
|
|
|
|
* mingw32/cpd has a memicmp()
|
|
|
|
|
*/
|
|
|
|
|
#ifndef HAVE_MEMICMP
|
|
|
|
|
int
|
|
|
|
|
memicmp( const char *a, const char *b, size_t n )
|
|
|
|
|
{
|
|
|
|
|
for( ; n; n--, a++, b++ )
|
|
|
|
|
if( *a != *b && toupper(*(const byte*)a) != toupper(*(const byte*)b) )
|
|
|
|
|
return *(const byte *)a - *(const byte*)b;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
2004-12-13 15:49:56 +00:00
|
|
|
|
|
|
|
|
|
|
2006-10-19 14:22:06 +00:00
|
|
|
|
#ifndef HAVE_MEMRCHR
|
|
|
|
|
void *
|
|
|
|
|
memrchr (const void *buffer, int c, size_t n)
|
|
|
|
|
{
|
|
|
|
|
const unsigned char *p = buffer;
|
|
|
|
|
|
|
|
|
|
for (p += n; n ; n--)
|
|
|
|
|
if (*--p == c)
|
2007-06-06 18:12:30 +00:00
|
|
|
|
return (void *)p;
|
2006-10-19 14:22:06 +00:00
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
#endif /*HAVE_MEMRCHR*/
|
2007-06-18 20:15:01 +00:00
|
|
|
|
|
|
|
|
|
|
2007-06-19 09:11:11 +00:00
|
|
|
|
/* Percent-escape the string STR by replacing colons with '%3a'. If
|
2007-11-19 16:03:50 +00:00
|
|
|
|
EXTRA is not NULL all characters in EXTRA are also escaped. */
|
|
|
|
|
static char *
|
|
|
|
|
do_percent_escape (const char *str, const char *extra, int die)
|
2007-06-18 20:15:01 +00:00
|
|
|
|
{
|
2007-06-19 09:11:11 +00:00
|
|
|
|
int i, j;
|
2007-06-18 20:15:01 +00:00
|
|
|
|
char *ptr;
|
|
|
|
|
|
|
|
|
|
if (!str)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
2007-06-19 09:11:11 +00:00
|
|
|
|
for (i=j=0; str[i]; i++)
|
|
|
|
|
if (str[i] == ':' || str[i] == '%' || (extra && strchr (extra, str[i])))
|
2007-06-18 20:15:01 +00:00
|
|
|
|
j++;
|
2007-11-19 16:03:50 +00:00
|
|
|
|
if (die)
|
|
|
|
|
ptr = jnlib_xmalloc (i + 2 * j + 1);
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
ptr = jnlib_malloc (i + 2 * j + 1);
|
|
|
|
|
if (!ptr)
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
2007-06-18 20:15:01 +00:00
|
|
|
|
i = 0;
|
|
|
|
|
while (*str)
|
|
|
|
|
{
|
|
|
|
|
if (*str == ':')
|
|
|
|
|
{
|
|
|
|
|
ptr[i++] = '%';
|
|
|
|
|
ptr[i++] = '3';
|
|
|
|
|
ptr[i++] = 'a';
|
|
|
|
|
}
|
2007-06-19 09:11:11 +00:00
|
|
|
|
else if (*str == '%')
|
|
|
|
|
{
|
|
|
|
|
ptr[i++] = '%';
|
|
|
|
|
ptr[i++] = '2';
|
|
|
|
|
ptr[i++] = '5';
|
|
|
|
|
}
|
|
|
|
|
else if (extra && strchr (extra, *str))
|
|
|
|
|
{
|
|
|
|
|
ptr[i++] = '%';
|
|
|
|
|
ptr[i++] = tohex_lower ((*str>>4)&15);
|
|
|
|
|
ptr[i++] = tohex_lower (*str&15);
|
|
|
|
|
}
|
2007-06-18 20:15:01 +00:00
|
|
|
|
else
|
|
|
|
|
ptr[i++] = *str;
|
|
|
|
|
str++;
|
|
|
|
|
}
|
|
|
|
|
ptr[i] = '\0';
|
|
|
|
|
|
|
|
|
|
return ptr;
|
|
|
|
|
}
|
2007-11-19 16:03:50 +00:00
|
|
|
|
|
|
|
|
|
/* Percent-escape the string STR by replacing colons with '%3a'. If
|
2009-07-07 16:51:33 +00:00
|
|
|
|
EXTRA is not NULL all characters in EXTRA are also escaped. This
|
|
|
|
|
function terminates the process on memory shortage. */
|
2007-11-19 16:03:50 +00:00
|
|
|
|
char *
|
|
|
|
|
percent_escape (const char *str, const char *extra)
|
|
|
|
|
{
|
|
|
|
|
return do_percent_escape (str, extra, 1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Same as percent_escape but return NULL instead of exiting on memory
|
|
|
|
|
error. */
|
|
|
|
|
char *
|
|
|
|
|
try_percent_escape (const char *str, const char *extra)
|
|
|
|
|
{
|
|
|
|
|
return do_percent_escape (str, extra, 0);
|
|
|
|
|
}
|
2009-08-25 20:19:37 +00:00
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static char *
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do_strconcat (const char *s1, va_list arg_ptr)
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{
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const char *argv[48];
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size_t argc;
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size_t needed;
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char *buffer, *p;
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argc = 0;
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argv[argc++] = s1;
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needed = strlen (s1);
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while (((argv[argc] = va_arg (arg_ptr, const char *))))
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{
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needed += strlen (argv[argc]);
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if (argc >= DIM (argv)-1)
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{
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2010-02-26 18:44:36 +00:00
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jnlib_set_errno (EINVAL);
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2009-08-25 20:19:37 +00:00
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return NULL;
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}
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argc++;
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}
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needed++;
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buffer = jnlib_malloc (needed);
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if (buffer)
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{
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for (p = buffer, argc=0; argv[argc]; argc++)
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p = stpcpy (p, argv[argc]);
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}
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return buffer;
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}
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|
/* Concatenate the string S1 with all the following strings up to a
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|
NULL. Returns a malloced buffer with the new string or NULL on a
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|
|
malloc error or if too many arguments are given. */
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char *
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strconcat (const char *s1, ...)
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|
{
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|
va_list arg_ptr;
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char *result;
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if (!s1)
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result = jnlib_strdup ("");
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else
|
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|
|
{
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|
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va_start (arg_ptr, s1);
|
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|
|
result = do_strconcat (s1, arg_ptr);
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|
va_end (arg_ptr);
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|
}
|
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|
return result;
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}
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|
|
/* Same as strconcat but terminate the process with an error message
|
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|
|
if something goes wrong. */
|
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|
|
|
char *
|
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|
|
|
xstrconcat (const char *s1, ...)
|
|
|
|
|
{
|
|
|
|
|
va_list arg_ptr;
|
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|
|
|
char *result;
|
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|
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|
|
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|
|
|
if (!s1)
|
|
|
|
|
result = jnlib_xstrdup ("");
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
va_start (arg_ptr, s1);
|
|
|
|
|
result = do_strconcat (s1, arg_ptr);
|
|
|
|
|
va_end (arg_ptr);
|
|
|
|
|
}
|
|
|
|
|
if (!result)
|
|
|
|
|
{
|
|
|
|
|
if (errno == EINVAL)
|
|
|
|
|
fputs ("\nfatal: too many args for xstrconcat\n", stderr);
|
|
|
|
|
else
|
|
|
|
|
fputs ("\nfatal: out of memory\n", stderr);
|
|
|
|
|
exit (2);
|
|
|
|
|
}
|
|
|
|
|
return result;
|
|
|
|
|
}
|