4 * Copyright (c) 2006-2012 Pacman Development Team <pacman-dev@archlinux.org>
5 * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
6 * Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
7 * Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
8 * Copyright (c) 2006 by David Kimpe <dnaku@frugalware.org>
9 * Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "alpm_list.h"
29 #include "package.h" /* alpm_pkg_t */
30 #include "handle.h" /* alpm_handle_t */
35 #include <stddef.h> /* size_t */
36 #include <sys/types.h>
37 #include <sys/stat.h> /* struct stat */
38 #include <math.h> /* fabs */
39 #include <float.h> /* DBL_EPSILON */
40 #include <fcntl.h> /* open, close */
42 #include <archive.h> /* struct archive */
45 #include <libintl.h> /* here so it doesn't need to be included elsewhere */
46 /* define _() as shortcut for gettext() */
47 #define _(str) dgettext ("libalpm", str)
52 void _alpm_alloc_fail(size_t size
);
54 #define MALLOC(p, s, action) do { p = malloc(s); if(p == NULL) { _alpm_alloc_fail(s); action; } } while(0)
55 #define CALLOC(p, l, s, action) do { p = calloc(l, s); if(p == NULL) { _alpm_alloc_fail(l * s); action; } } while(0)
56 /* This strdup macro is NULL safe- copying NULL will yield NULL */
57 #define STRDUP(r, s, action) do { if(s != NULL) { r = strdup(s); if(r == NULL) { _alpm_alloc_fail(strlen(s)); action; } } else { r = NULL; } } while(0)
58 #define STRNDUP(r, s, l, action) do { if(s != NULL) { r = strndup(s, l); if(r == NULL) { _alpm_alloc_fail(l); action; } } else { r = NULL; } } while(0)
60 #define FREE(p) do { free(p); p = NULL; } while(0)
62 #define ASSERT(cond, action) do { if(!(cond)) { action; } } while(0)
64 #define RET_ERR_VOID(handle, err) do { \
65 _alpm_log(handle, ALPM_LOG_DEBUG, "returning error %d from %s : %s\n", err, __func__, alpm_strerror(err)); \
66 (handle)->pm_errno = (err); \
69 #define RET_ERR(handle, err, ret) do { \
70 _alpm_log(handle, ALPM_LOG_DEBUG, "returning error %d from %s : %s\n", err, __func__, alpm_strerror(err)); \
71 (handle)->pm_errno = (err); \
72 return (ret); } while(0)
74 #define DOUBLE_EQ(x, y) (fabs((x) - (y)) < DBL_EPSILON)
76 #define CHECK_HANDLE(handle, action) do { if(!(handle)) { action; } (handle)->pm_errno = 0; } while(0)
78 /** Standard buffer size used throughout the library. */
80 #define ALPM_BUFFER_SIZE BUFSIZ
82 #define ALPM_BUFFER_SIZE 8192
89 #define OPEN(fd, path, flags) do { fd = open(path, flags | O_BINARY); } while(fd == -1 && errno == EINTR)
90 #define CLOSE(fd) do { int _ret; do { _ret = close(fd); } while(_ret == -1 && errno == EINTR); } while(0)
93 * Used as a buffer/state holder for _alpm_archive_fgets().
95 struct archive_read_buffer
{
100 size_t real_line_size
;
109 int _alpm_makepath(const char *path
);
110 int _alpm_makepath_mode(const char *path
, mode_t mode
);
111 int _alpm_copyfile(const char *src
, const char *dest
);
112 size_t _alpm_strip_newline(char *str
, size_t len
);
114 int _alpm_open_archive(alpm_handle_t
*handle
, const char *path
,
115 struct stat
*buf
, struct archive
**archive
, alpm_errno_t error
);
116 int _alpm_unpack_single(alpm_handle_t
*handle
, const char *archive
,
117 const char *prefix
, const char *filename
);
118 int _alpm_unpack(alpm_handle_t
*handle
, const char *archive
, const char *prefix
,
119 alpm_list_t
*list
, int breakfirst
);
121 ssize_t
_alpm_files_in_directory(alpm_handle_t
*handle
, const char *path
, int full_count
);
122 int _alpm_logaction(alpm_handle_t
*handle
, const char *fmt
, va_list args
);
123 int _alpm_run_chroot(alpm_handle_t
*handle
, const char *cmd
, char *const argv
[]);
124 int _alpm_ldconfig(alpm_handle_t
*handle
);
125 int _alpm_str_cmp(const void *s1
, const void *s2
);
126 char *_alpm_filecache_find(alpm_handle_t
*handle
, const char *filename
);
127 const char *_alpm_filecache_setup(alpm_handle_t
*handle
);
128 int _alpm_lstat(const char *path
, struct stat
*buf
);
129 int _alpm_test_checksum(const char *filepath
, const char *expected
, alpm_pkgvalidation_t type
);
130 int _alpm_archive_fgets(struct archive
*a
, struct archive_read_buffer
*b
);
131 int _alpm_splitname(const char *target
, char **name
, char **version
,
132 unsigned long *name_hash
);
133 unsigned long _alpm_hash_sdbm(const char *str
);
134 off_t
_alpm_strtoofft(const char *line
);
135 alpm_time_t
_alpm_parsedate(const char *line
);
136 int _alpm_raw_cmp(const char *first
, const char *second
);
137 int _alpm_raw_ncmp(const char *first
, const char *second
, size_t max
);
138 int _alpm_access(alpm_handle_t
*handle
, const char *dir
, const char *file
, int amode
);
139 int _alpm_fnmatch(const void *pattern
, const void *string
);
142 char *strsep(char **, const char *);
146 char *strndup(const char *s
, size_t n
);
149 /* check exported library symbols with: nm -C -D <lib> */
150 #define SYMEXPORT __attribute__((visibility("default")))
151 #define SYMHIDDEN __attribute__((visibility("internal")))
153 #define UNUSED __attribute__((unused))
155 #endif /* _ALPM_UTIL_H */
157 /* vim: set ts=2 sw=2 noet: */