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511c2522b9
* doc/mkdefsinc.c (print_filename): New. (main): Use it here. -- Our Jenkins uses an @ in directory names and thus our builds break. Signed-off-by: Werner Koch <wk@gnupg.org>
368 lines
9.3 KiB
C
368 lines
9.3 KiB
C
/* mkdefsinc.c - Tool to create defs.inc
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* Copyright (C) 2015 g10 Code GmbH
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*
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* This file is free software; as a special exception the author gives
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* unlimited permission to copy and/or distribute it, with or without
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* modifications, as long as this notice is preserved.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/* This tool needs to be build with command line supplied -D options
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for the various directory variables. See ../am/cmacros.am. It is
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easier to do this in build file than to use fragile make rules and
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a template file. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#define PGM "mkdefsinc"
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/* We include config.h after all include files because the config.h
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values are not valid for the build platform but we need some values
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nevertheless. */
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#include "config.h"
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/* When building for Windows the -D macros do not have appropriate
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values. We provide replacements here. */
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#ifdef HAVE_W32_SYSTEM
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# undef GNUPG_BINDIR
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# undef GNUPG_LIBEXECDIR
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# undef GNUPG_LIBDIR
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# undef GNUPG_DATADIR
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# undef GNUPG_SYSCONFDIR
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# undef GNUPG_LOCALSTATEDIR
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# define GNUPG_BINDIR "INSTDIR/bin"
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# define GNUPG_LIBEXECDIR "INSTDIR/bin"
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# define GNUPG_LIBDIR "INSTDIR/lib/" PACKAGE_NAME
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# define GNUPG_DATADIR "INSTDIR/share/" PACKAGE_NAME
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# define GNUPG_SYSCONFDIR "APPDATA/GNU/etc/" PACKAGE_NAME
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# define GNUPG_LOCALSTATEDIR "APPDATA/GNU"
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#endif /*HAVE_W32_SYSTEM*/
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#if USE_GPG2_HACK
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# define gpg2_suffix "2"
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#else
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# define gpg2_suffix ""
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#endif
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static int verbose;
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/* The usual free wrapper. */
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static void
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xfree (void *a)
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{
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if (a)
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free (a);
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}
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static char *
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xmalloc (size_t n)
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{
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char *p;
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p = malloc (n);
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if (!p)
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{
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fputs (PGM ": out of core\n", stderr);
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exit (1);
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}
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return p;
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}
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static char *
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xstrdup (const char *string)
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{
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char *p;
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p = xmalloc (strlen (string)+1);
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strcpy (p, string);
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return p;
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}
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/* Return a malloced string with the last modification date of the
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FILES. Returns NULL on error. */
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static char *
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get_date_from_files (char **files)
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{
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const char *file;
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const char *usedfile = NULL;
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struct stat sb;
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struct tm *tp;
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int errors = 0;
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time_t stamp = 0;
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char *result;
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for (; (file = *files); files++)
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{
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if (!*file || !strcmp (file, ".") || !strcmp (file, ".."))
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continue;
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if (stat (file, &sb))
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{
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fprintf (stderr, PGM ": stat failed for '%s': %s\n",
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file, strerror (errno));
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errors = 1;
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continue;
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}
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if (sb.st_mtime > stamp)
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{
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stamp = sb.st_mtime;
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usedfile = file;
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}
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}
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if (errors)
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exit (1);
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if (usedfile)
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fprintf (stderr, PGM ": taking date from '%s'\n", usedfile);
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tp = gmtime (&stamp);
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if (!tp)
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return NULL;
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result = xmalloc (4+1+2+1+2+1);
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snprintf (result, 4+1+2+1+2+1, "%04d-%02d-%02d",
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tp->tm_year + 1900, tp->tm_mon+1, tp->tm_mday);
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return result;
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}
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/* We need to escape file names for Texinfo. */
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static void
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print_filename (const char *prefix, const char *name)
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{
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const char *s;
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fputs (prefix, stdout);
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for (s=name; *s; s++)
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switch (*s)
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{
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case '@': fputs ("@atchar{}", stdout); break;
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case '{': fputs ("@lbracechar{}", stdout); break;
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case '}': fputs ("@rbracechar{}", stdout); break;
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case ',': fputs ("@comma{}", stdout); break;
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case '\\':fputs ("@backslashchar{}", stdout); break;
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case '#': fputs ("@hashchar{}", stdout); break;
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default: putchar (*s); break;
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}
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putchar('\n');
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}
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int
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main (int argc, char **argv)
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{
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int last_argc = -1;
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char *opt_date = NULL;
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int monthoff;
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char *p, *pend;
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size_t n;
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/* Option parsing. */
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if (argc)
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{
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argc--; argv++;
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}
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while (argc && last_argc != argc )
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{
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last_argc = argc;
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if (!strcmp (*argv, "--"))
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{
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argc--; argv++;
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break;
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}
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else if (!strcmp (*argv, "--help"))
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{
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fputs ("Usage: " PGM " [OPTION] [FILES]\n"
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"Create defs.inc file.\nOptions:\n"
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" -C DIR Change to DIR before doing anything\n"
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" --date STRING Take publication date from STRING\n"
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" --verbose Enable extra informational output\n"
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" --help Display this help and exit\n"
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, stdout);
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exit (0);
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}
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else if (!strcmp (*argv, "--verbose"))
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{
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verbose = 1;
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argc--; argv++;
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}
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else if (!strcmp (*argv, "-C"))
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{
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argc--; argv++;
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if (argc)
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{
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if (chdir (*argv))
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{
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fprintf (stderr, PGM ": chdir to '%s' failed: %s\n",
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*argv, strerror (errno));
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exit (1);
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}
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argc--; argv++;
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}
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}
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else if (!strcmp (*argv, "--date"))
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{
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argc--; argv++;
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if (argc)
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{
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opt_date = xstrdup (*argv);
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argc--; argv++;
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}
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}
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else if (!strncmp (*argv, "--", 2))
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{
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fprintf (stderr, PGM ": unknown option '%s'\n", *argv);
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exit (1);
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}
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}
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if (opt_date && *opt_date)
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{
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time_t stamp;
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struct tm *tp;
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if (*opt_date == '2' && strlen (opt_date) >= 10
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&& opt_date[4] == '-' && opt_date[7] == '-')
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{
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opt_date[10] = 0;
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}
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else if ((stamp = strtoul (opt_date, NULL, 10)) > 0
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&& (tp = gmtime (&stamp)))
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{
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p = xmalloc (4+1+2+1+2+1);
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snprintf (p, 4+1+2+1+2+1, "%04d-%02d-%02d",
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tp->tm_year + 1900, tp->tm_mon+1, tp->tm_mday);
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xfree (opt_date);
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opt_date = p;
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}
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else
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{
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fprintf (stderr, PGM ": bad date '%s'\n", opt_date);
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exit (1);
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}
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}
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else
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{
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xfree (opt_date);
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opt_date = argc? get_date_from_files (argv) : NULL;
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}
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if (!opt_date)
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{
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opt_date = xstrdup ("unknown");
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monthoff = 0;
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}
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else
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{
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const char *month = "?";
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switch (atoi (opt_date+5))
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{
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case 1: month = "January"; break;
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case 2: month = "February"; break;
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case 3: month = "March"; break;
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case 4: month = "April"; break;
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case 5: month = "May"; break;
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case 6: month = "June"; break;
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case 7: month = "July"; break;
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case 8: month = "August"; break;
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case 9: month = "September"; break;
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case 10: month = "October"; break;
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case 11: month = "November"; break;
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case 12: month = "December"; break;
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}
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n = strlen (opt_date) + strlen (month) + 2 + 1;
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p = xmalloc (n);
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snprintf (p, n, "%d %n%s %d",
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atoi (opt_date+8), &monthoff, month, atoi (opt_date));
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xfree (opt_date);
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opt_date = p;
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}
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fputs ("@c defs.inc -*- texinfo -*-\n"
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"@c Common and build specific constants for the manuals.\n"
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"@c This file has been created by " PGM ".\n\n", stdout);
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fputs ("@ifclear defsincincluded\n"
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"@set defsincincluded 1\n\n", stdout);
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fputs ("\n@c Flags\n\n", stdout);
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#if USE_GPG2_HACK
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fputs ("@set gpgtwohack 1\n\n", stdout);
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#endif
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fputs ("\n@c Directories\n\n", stdout);
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print_filename ("@set BINDIR ", GNUPG_BINDIR );
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print_filename ("@set LIBEXECDIR ", GNUPG_LIBEXECDIR );
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print_filename ("@set LIBDIR ", GNUPG_LIBDIR );
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print_filename ("@set DATADIR ", GNUPG_DATADIR );
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print_filename ("@set SYSCONFDIR ", GNUPG_SYSCONFDIR );
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print_filename ("@set LOCALSTATEDIR ", GNUPG_LOCALSTATEDIR );
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print_filename ("@set LOCALCACHEDIR ", (GNUPG_LOCALSTATEDIR
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"/cache/" PACKAGE_NAME));
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print_filename ("@set LOCALRUNDIR ", (GNUPG_LOCALSTATEDIR
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"/run/" PACKAGE_NAME));
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p = xstrdup (GNUPG_SYSCONFDIR);
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pend = strrchr (p, '/');
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fputs ("@set SYSCONFSKELDIR ", stdout);
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if (pend)
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{
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*pend = 0;
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fputs (p, stdout);
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}
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fputs ("/skel/." PACKAGE_NAME "\n", stdout);
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xfree (p);
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fputs ("\n@c Version information a la version.texi\n\n", stdout);
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printf ("@set UPDATED %s\n", opt_date);
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printf ("@set UPDATED-MONTH %s\n", opt_date + monthoff);
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printf ("@set EDITION %s\n", PACKAGE_VERSION);
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printf ("@set VERSION %s\n", PACKAGE_VERSION);
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fputs ("\n@c Algorithm defaults\n\n", stdout);
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/* Fixme: Use a config.h macro here: */
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fputs ("@set GPGSYMENCALGO AES-128\n", stdout);
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fputs ("\n@c Macros\n\n", stdout);
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printf ("@macro gpgname\n%s%s\n@end macro\n", GPG_NAME, gpg2_suffix);
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printf ("@macro gpgvname\n%sv%s\n@end macro\n", GPG_NAME, gpg2_suffix);
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/* Trailer. */
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fputs ("\n"
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"@end ifclear\n"
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"\n"
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"@c Loc" "al Variables:\n"
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"@c buffer-read-only: t\n"
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"@c End:\n", stdout);
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if (ferror (stdout))
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{
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fprintf (stderr, PGM ": error writing to stdout: %s\n", strerror (errno));
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return 1;
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}
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return 0;
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}
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