lib/libalpm/util.h

   1 /*
   2  *  util.h
   3  *
   4  *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
   5  *  Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
   6  *  Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
   7  *  Copyright (c) 2006 by David Kimpe <dnaku@frugalware.org>
   8  *  Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  23  *  USA.
  24  */
  25 #ifndef _ALPM_UTIL_H
  26 #define _ALPM_UTIL_H
  27
  28 #include "config.h"
  29
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include <stdarg.h>
  33 #include <time.h>
  34 #include <sys/stat.h> /* struct stat */
  35
  36 #ifdef ENABLE_NLS
  37 #include <libintl.h> /* here so it doesn't need to be included elsewhere */
  38 /* define _() as shortcut for gettext() */
  39 #define _(str) dgettext ("libalpm", str)
  40 #else
  41 #define _(s) s
  42 #endif
  43
  44 #define ALLOC_FAIL(s) do { _alpm_log(PM_LOG_ERROR, _("alloc failure: could not allocate %zd bytes\n"), s); } while(0)
  45
  46 #define MALLOC(p, s, action) do { p = calloc(1, s); if(p == NULL) { ALLOC_FAIL(s); action; } } while(0)
  47 #define CALLOC(p, l, s, action) do { p = calloc(l, s); if(p == NULL) { ALLOC_FAIL(s); action; } } while(0)
  48 #define STRDUP(r, s, action) do { r = strdup(s); if(r == NULL) { ALLOC_FAIL(strlen(s)); action; } } while(0)
  49
  50 #define FREE(p) do { if(p) { free(p); p = NULL; } } while(0)
  51
  52 #define ASSERT(cond, action) do { if(!(cond)) { action; } } while(0)
  53
  54 int _alpm_makepath(const char *path);
  55 int _alpm_copyfile(const char *src, const char *dest);
  56 char *_alpm_strtrim(char *str);
  57 char *_alpm_strreplace(const char *str, const char *needle, const char *replace);
  58 int _alpm_lckmk();
  59 int _alpm_lckrm();
  60 int _alpm_unpack(const char *archive, const char *prefix, const char *fn);
  61 int _alpm_rmrf(const char *path);
  62 int _alpm_logaction(unsigned short usesyslog, FILE *f, const char *fmt, va_list args);
  63 int _alpm_ldconfig(const char *root);
  64 int _alpm_str_cmp(const void *s1, const void *s2);
  65 char *_alpm_filecache_find(const char *filename);
  66 const char *_alpm_filecache_setup(void);
  67 int _alpm_lstat(const char *path, struct stat *buf);
  68
  69 #ifndef HAVE_STRVERSCMP
  70 int strverscmp(const char *, const char *);
  71 #endif
  72 #ifndef HAVE_STRSEP
  73 char *strsep(char **, const char *);
  74 #endif
  75
  76 /* check exported library symbols with: nm -C -D <lib> */
  77 #define SYMEXPORT __attribute__((visibility("default")))
  78 #define SYMHIDDEN __attribute__((visibility("internal")))
  79
  80 /* max percent of package size to download deltas */
  81 #define MAX_DELTA_RATIO 0.7
  82
  83 #endif /* _ALPM_UTIL_H */
  84
  85 /* vim: set ts=2 sw=2 noet: */