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Update head to match stable 1.0

This commit is contained in:
David Shaw 2002-06-29 13:46:34 +00:00
parent 151ee2f47b
commit 3f51f7db3d
155 changed files with 83872 additions and 37585 deletions

View file

@ -1,5 +1,5 @@
/* strgutil.c - string utilities
* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
* Copyright (C) 1994, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
@ -22,7 +22,6 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <gcrypt.h>
#include "types.h"
#include "util.h"
#include "memory.h"
@ -66,29 +65,10 @@ static ushort latin2_unicode[128] = {
0x0159,0x016F,0x00FA,0x0171,0x00FC,0x00FD,0x0163,0x02D9
};
static ushort ibm850_unicode[128] = {
0x00c7,0x00fc,0x00e9,0x00e2,0x00e4,0x00e0,0x00e5,0x00e7,
0x00ea,0x00eb,0x00e8,0x00ef,0x00ee,0x00ec,0x00c4,0x00c5,
0x00c9,0x00e6,0x00c6,0x00f4,0x00f6,0x00f2,0x00fb,0x00f9,
0x00ff,0x00d6,0x00dc,0x00f8,0x00a3,0x00d8,0x00d7,0x0192,
0x00e1,0x00ed,0x00f3,0x00fa,0x00f1,0x00d1,0x00aa,0x00ba,
0x00bf,0x00ae,0x00ac,0x00bd,0x00bc,0x00a1,0x00ab,0x00bb,
0x2591,0x2592,0x2593,0x2502,0x2524,0x00c1,0x00c2,0x00c0,
0x00a9,0x2563,0x2551,0x2557,0x255d,0x00a2,0x00a5,0x2510,
0x2514,0x2534,0x252c,0x251c,0x2500,0x253c,0x00e3,0x00c3,
0x255a,0x2554,0x2569,0x2566,0x2560,0x2550,0x256c,0x00a4,
0x00f0,0x00d0,0x00ca,0x00cb,0x00c8,0x0131,0x00cd,0x00ce,
0x00cf,0x2518,0x250c,0x2588,0x2584,0x00a6,0x00cc,0x2580,
0x00d3,0x00df,0x00d4,0x00d2,0x00f5,0x00d5,0x00b5,0x00fe,
0x00de,0x00da,0x00db,0x00d9,0x00fd,0x00dd,0x00af,0x00b4,
0x00ad,0x00b1,0x2017,0x00be,0x00b6,0x00a7,0x00f7,0x00b8,
0x00b0,0x00a8,0x00b7,0x00b9,0x00b3,0x00b2,0x25a0,0x00a0,
};
static int query_native_charset_done = 0;
static const char *active_charset_name = "iso-8859-1";
static ushort *active_charset = NULL;
static int no_translation = 0;
void
free_strlist( STRLIST sl )
@ -97,7 +77,7 @@ free_strlist( STRLIST sl )
for(; sl; sl = sl2 ) {
sl2 = sl->next;
gcry_free(sl);
m_free(sl);
}
}
@ -107,7 +87,7 @@ add_to_strlist( STRLIST *list, const char *string )
{
STRLIST sl;
sl = gcry_xmalloc( sizeof *sl + strlen(string));
sl = m_alloc( sizeof *sl + strlen(string));
sl->flags = 0;
strcpy(sl->d, string);
sl->next = *list;
@ -129,7 +109,7 @@ add_to_strlist2( STRLIST *list, const char *string, int is_utf8 )
else {
char *p = native_to_utf8( string );
sl = add_to_strlist( list, p );
gcry_free( p );
m_free( p );
}
return sl;
}
@ -139,7 +119,7 @@ append_to_strlist( STRLIST *list, const char *string )
{
STRLIST r, sl;
sl = gcry_xmalloc( sizeof *sl + strlen(string));
sl = m_alloc( sizeof *sl + strlen(string));
sl->flags = 0;
strcpy(sl->d, string);
sl->next = NULL;
@ -163,7 +143,7 @@ append_to_strlist2( STRLIST *list, const char *string, int is_utf8 )
else {
char *p = native_to_utf8( string );
sl = append_to_strlist( list, p );
gcry_free( p );
m_free( p );
}
return sl;
}
@ -188,6 +168,183 @@ strlist_last( STRLIST node )
return node;
}
char *
pop_strlist( STRLIST *list )
{
char *str=NULL;
STRLIST sl=*list;
if(sl)
{
str=m_alloc(strlen(sl->d)+1);
strcpy(str,sl->d);
*list=sl->next;
m_free(sl);
}
return str;
}
/****************
* look for the substring SUB in buffer and return a pointer to that
* substring in BUF or NULL if not found.
* Comparison is case-insensitive.
*/
const char *
memistr( const char *buf, size_t buflen, const char *sub )
{
const byte *t, *s ;
size_t n;
for( t=buf, n=buflen, s=sub ; n ; t++, n-- )
if( toupper(*t) == toupper(*s) ) {
for( buf=t++, buflen = n--, s++;
n && toupper(*t) == toupper(*s); t++, s++, n-- )
;
if( !*s )
return buf;
t = buf; n = buflen; s = sub ;
}
return NULL ;
}
const char *
ascii_memistr( const char *buf, size_t buflen, const char *sub )
{
const byte *t, *s ;
size_t n;
for( t=buf, n=buflen, s=sub ; n ; t++, n-- )
if( ascii_toupper(*t) == ascii_toupper(*s) ) {
for( buf=t++, buflen = n--, s++;
n && ascii_toupper(*t) == ascii_toupper(*s); t++, s++, n-- )
;
if( !*s )
return buf;
t = buf; n = buflen; s = sub ;
}
return NULL ;
}
/****************
* Wie strncpy(), aber es werden maximal n-1 zeichen kopiert und ein
* '\0' angehängt. Ist n = 0, so geschieht nichts, ist Destination
* gleich NULL, so wird via m_alloc Speicher besorgt, ist dann nicht
* genügend Speicher vorhanden, so bricht die funktion ab.
*/
char *
mem2str( char *dest , const void *src , size_t n )
{
char *d;
const char *s;
if( n ) {
if( !dest )
dest = m_alloc( n ) ;
d = dest;
s = src ;
for(n--; n && *s; n-- )
*d++ = *s++;
*d = '\0' ;
}
return dest ;
}
/****************
* remove leading and trailing white spaces
*/
char *
trim_spaces( char *str )
{
char *string, *p, *mark;
string = str;
/* find first non space character */
for( p=string; *p && isspace( *(byte*)p ) ; p++ )
;
/* move characters */
for( (mark = NULL); (*string = *p); string++, p++ )
if( isspace( *(byte*)p ) ) {
if( !mark )
mark = string ;
}
else
mark = NULL ;
if( mark )
*mark = '\0' ; /* remove trailing spaces */
return str ;
}
unsigned int
trim_trailing_chars( byte *line, unsigned len, const char *trimchars )
{
byte *p, *mark;
unsigned n;
for(mark=NULL, p=line, n=0; n < len; n++, p++ ) {
if( strchr(trimchars, *p ) ) {
if( !mark )
mark = p;
}
else
mark = NULL;
}
if( mark ) {
*mark = 0;
return mark - line;
}
return len;
}
/****************
* remove trailing white spaces and return the length of the buffer
*/
unsigned
trim_trailing_ws( byte *line, unsigned len )
{
return trim_trailing_chars( line, len, " \t\r\n" );
}
unsigned int
check_trailing_chars( const byte *line, unsigned int len,
const char *trimchars )
{
const byte *p, *mark;
unsigned int n;
for(mark=NULL, p=line, n=0; n < len; n++, p++ ) {
if( strchr(trimchars, *p ) ) {
if( !mark )
mark = p;
}
else
mark = NULL;
}
if( mark ) {
return mark - line;
}
return len;
}
/****************
* remove trailing white spaces and return the length of the buffer
*/
unsigned int
check_trailing_ws( const byte *line, unsigned int len )
{
return check_trailing_chars( line, len, " \t\r\n" );
}
int
@ -201,87 +358,41 @@ string_count_chr( const char *string, int c )
}
static const char*
query_native_charset(void)
int
set_native_charset( const char *newset )
{
#ifdef __MINGW32__
unsigned int cp;
cp = GetConsoleOutputCP();
if( cp != GetConsoleCP() ) {
/* The input cgarset is not equal to the output charset
* our system depends on it and therefore we will set
* same the same (this won't work on Windows 95) */
if( !SetConsoleCP( cp ) )
log_info("can't set Input-CP to Output-CP: %d\n",
(int)GetLastError() );
if( !ascii_strcasecmp( newset, "iso-8859-1" ) ) {
active_charset_name = "iso-8859-1";
no_translation = 0;
active_charset = NULL;
}
/* we could read the registry, but this seems to be too much work */
switch( cp ) {
case 850: return "ibm850";
case 437: return "ibm437";
case 1252: return "iso-8859-1";
default:
log_info("unknown MS-Windows CodePage %u "
"- trying to switch to Latin-1\n", cp );
/* try to set latin-1 */
if( !SetConsoleOutputCP( 1252 ) ) {
if( !SetConsoleCP( 1252 ) )
return "iso-8859-1";
else /* back off */
SetConsoleOutputCP( cp );
}
log_info("no information about MS-Windows CodePage %u\n", cp );
return NULL;
else if( !ascii_strcasecmp( newset, "iso-8859-2" ) ) {
active_charset_name = "iso-8859-2";
no_translation = 0;
active_charset = latin2_unicode;
}
#else
return NULL; /* unknown */
#endif
else if( !ascii_strcasecmp( newset, "koi8-r" ) ) {
active_charset_name = "koi8-r";
no_translation = 0;
active_charset = koi8_unicode;
}
else if( !ascii_strcasecmp (newset, "utf8" )
|| !ascii_strcasecmp(newset, "utf-8") ) {
active_charset_name = "utf-8";
no_translation = 1;
active_charset = NULL;
}
else
return G10ERR_GENERAL;
return 0;
}
const char*
get_native_charset()
{
if( !query_native_charset_done ) {
const char *s;
query_native_charset_done = 1;
s = query_native_charset();
if( s )
set_native_charset(s);
}
return active_charset_name;
}
int
set_native_charset( const char *newset )
{
query_native_charset_done = 1; /* don't do this when we want to set one*/
if( !stricmp( newset, "iso-8859-1" ) ) {
active_charset_name = "iso-8859-1";
active_charset = NULL;
}
else if( !stricmp( newset, "iso-8859-2" ) ) {
active_charset_name = "iso-8859-2";
active_charset = latin2_unicode;
}
else if( !stricmp( newset, "koi8-r" ) ) {
active_charset_name = "koi8-r";
active_charset = koi8_unicode;
}
else if( !stricmp( newset, "ibm850" ) || !stricmp( newset, "ibm437" ) ) {
active_charset_name = "ibm850";
active_charset = ibm850_unicode;
}
else
return GPGERR_GENERAL;
return 0;
}
/****************
* Convert string, which is in native encoding to UTF8 and return the
* new allocated UTF8 string.
@ -294,13 +405,16 @@ native_to_utf8( const char *string )
byte *p;
size_t length=0;
if( active_charset ) {
if (no_translation) {
buffer = m_strdup (string);
}
else if( active_charset ) {
for(s=string; *s; s++ ) {
length++;
if( *s & 0x80 )
length += 2; /* we may need 3 bytes */
}
buffer = gcry_xmalloc( length + 1 );
buffer = m_alloc( length + 1 );
for(p=buffer, s=string; *s; s++ ) {
if( *s & 0x80 ) {
ushort val = active_charset[ *s & 0x7f ];
@ -325,7 +439,7 @@ native_to_utf8( const char *string )
if( *s & 0x80 )
length++;
}
buffer = gcry_xmalloc( length + 1 );
buffer = m_alloc( length + 1 );
for(p=buffer, s=string; *s; s++ ) {
if( *s & 0x80 ) {
*p++ = 0xc0 | ((*s >> 6) & 3);
@ -341,15 +455,17 @@ native_to_utf8( const char *string )
/****************
* Convert string, which is in UTF8 to native encoding.
* illegal encodings by some "\xnn" and quote all control characters
*/
* Convert string, which is in UTF8 to native encoding. illegal
* encodings by some "\xnn" and quote all control characters. A
* character with value DELIM will always be quoted, it must be a
* vanilla ASCII character.
*/
char *
utf8_to_native( const char *string, size_t length )
utf8_to_native( const char *string, size_t length, int delim )
{
int nleft;
int i;
byte encbuf[7];
byte encbuf[8];
int encidx;
const byte *s;
size_t n;
@ -376,7 +492,8 @@ utf8_to_native( const char *string, size_t length )
}
if( !nleft ) {
if( !(*s & 0x80) ) { /* plain ascii */
if( iscntrl( *s ) ) {
if( *s < 0x20 || *s == 0x7f || *s == delim ||
(delim && *s=='\\')) {
n++;
if( p )
*p++ = '\\';
@ -387,11 +504,13 @@ utf8_to_native( const char *string, size_t length )
case '\v': n++; if( p ) *p++ = 'v'; break;
case '\b': n++; if( p ) *p++ = 'b'; break;
case 0 : n++; if( p ) *p++ = '0'; break;
default: n += 3;
sprintf( p, "x%02x", *s );
if ( p )
p += 3;
break;
default:
n += 3;
if ( p ) {
sprintf( p, "x%02x", *s );
p += 3;
}
break;
}
}
else {
@ -402,27 +521,32 @@ utf8_to_native( const char *string, size_t length )
else if( (*s & 0xe0) == 0xc0 ) { /* 110x xxxx */
val = *s & 0x1f;
nleft = 1;
encbuf[encidx=0] = *s;
encidx = 0;
encbuf[encidx++] = *s;
}
else if( (*s & 0xf0) == 0xe0 ) { /* 1110 xxxx */
val = *s & 0x0f;
nleft = 2;
encbuf[encidx=0] = *s;
encidx = 0;
encbuf[encidx++] = *s;
}
else if( (*s & 0xf8) == 0xf0 ) { /* 1111 0xxx */
val = *s & 0x07;
nleft = 3;
encbuf[encidx=0] = *s;
encidx = 0;
encbuf[encidx++] = *s;
}
else if( (*s & 0xfc) == 0xf8 ) { /* 1111 10xx */
val = *s & 0x03;
nleft = 4;
encbuf[encidx=0] = *s;
encidx = 0;
encbuf[encidx++] = *s;
}
else if( (*s & 0xfe) == 0xfc ) { /* 1111 110x */
val = *s & 0x01;
nleft = 5;
encbuf[encidx=0] = *s;
encidx = 0;
encbuf[encidx++] = *s;
}
else { /* invalid encoding: print as \xnn */
if( p ) {
@ -435,19 +559,32 @@ utf8_to_native( const char *string, size_t length )
}
else if( *s < 0x80 || *s >= 0xc0 ) { /* invalid */
if( p ) {
for(i=0; i < encidx; i++ ) {
sprintf(p, "\\x%02x", encbuf[i] );
p += 4;
}
sprintf(p, "\\x%02x", *s );
p += 4;
}
n += 4;
n += 4 + 4*encidx;
nleft = 0;
encidx = 0;
resync = 1;
}
else {
encbuf[++encidx] = *s;
encbuf[encidx++] = *s;
val <<= 6;
val |= *s & 0x3f;
if( !--nleft ) { /* ready */
if( active_charset ) { /* table lookup */
if (no_translation) {
if( p ) {
for(i=0; i < encidx; i++ )
*p++ = encbuf[i];
}
n += encidx;
encidx = 0;
}
else if( active_charset ) { /* table lookup */
for(i=0; i < 128; i++ ) {
if( active_charset[i] == val )
break;
@ -464,6 +601,7 @@ utf8_to_native( const char *string, size_t length )
}
}
n += encidx*4;
encidx = 0;
}
}
else { /* native set */
@ -479,15 +617,15 @@ utf8_to_native( const char *string, size_t length )
}
}
n += encidx*4;
encidx = 0;
}
}
}
}
}
if( !buffer ) { /* allocate the buffer after the first pass */
buffer = p = gcry_xmalloc( n + 1 );
buffer = p = m_alloc( n + 1 );
}
else {
*p = 0; /* make a string */
@ -496,8 +634,262 @@ utf8_to_native( const char *string, size_t length )
}
}
/****************************************************
******** locale insensitive ctype functions ********
****************************************************/
/* 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';
}
int
ascii_toupper (int c)
{
if (c >= 'a' && c <= 'z')
c &= ~0x20;
return c;
}
int
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));
}
int
ascii_memcasecmp( const char *a, const char *b, size_t n )
{
if (a == b)
return 0;
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;
}
/*********************************************
********** missing string functions *********
*********************************************/
#ifndef HAVE_STPCPY
char *
stpcpy(char *a,const char *b)
{
while( *b )
*a++ = *b++;
*a = 0;
return (char*)a;
}
#endif
#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
character. Here we don't need to call the expensive `strpbrk'
function and instead work using `strchr'. */
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*/
#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
#ifndef HAVE_STRNCASECMP
int
strncasecmp( const char *a, const char *b, size_t n )
{
for( ; n && *a && *b; a++, b++, n--) {
if( *a != *b && toupper(*a) != toupper(*b) )
break;
}
if (!n)
return 0;
return *(const byte*)a - *(const byte*)b;
}
#endif
#ifdef __MINGW32__
/*
* Like vsprintf but provides a pointer to malloc'd storage, which
* must be freed by the caller (m_free). Taken from libiberty as
* found in gcc-2.95.2 and a little bit modernized.
* FIXME: Write a new CRT for W32.
*/
int
vasprintf ( char **result, const char *format, va_list args)
{
const char *p = format;
/* Add one to make sure that it is never zero, which might cause malloc
to return NULL. */
int total_width = strlen (format) + 1;
va_list ap;
/* this is not really portable but works under Windows */
memcpy ( &ap, &args, sizeof (va_list));
while (*p != '\0')
{
if (*p++ == '%')
{
while (strchr ("-+ #0", *p))
++p;
if (*p == '*')
{
++p;
total_width += abs (va_arg (ap, int));
}
else
{
char *endp;
total_width += strtoul (p, &endp, 10);
p = endp;
}
if (*p == '.')
{
++p;
if (*p == '*')
{
++p;
total_width += abs (va_arg (ap, int));
}
else
{
char *endp;
total_width += strtoul (p, &endp, 10);
p = endp;
}
}
while (strchr ("hlL", *p))
++p;
/* Should be big enough for any format specifier except %s
and floats. */
total_width += 30;
switch (*p)
{
case 'd':
case 'i':
case 'o':
case 'u':
case 'x':
case 'X':
case 'c':
(void) va_arg (ap, int);
break;
case 'f':
case 'e':
case 'E':
case 'g':
case 'G':
(void) va_arg (ap, double);
/* Since an ieee double can have an exponent of 307, we'll
make the buffer wide enough to cover the gross case. */
total_width += 307;
case 's':
total_width += strlen (va_arg (ap, char *));
break;
case 'p':
case 'n':
(void) va_arg (ap, char *);
break;
}
}
}
*result = m_alloc (total_width);
if (*result != NULL)
return vsprintf (*result, format, args);
else
return 0;
}
#endif /*__MINGW32__*/