pkgconf/pkg.h

173 lines
4.8 KiB
C

/*
* pkg.h
* Global include file for everything.
*
* Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __PKG_H
#define __PKG_H
#include "config.h"
#define _GNU_SOURCE
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#ifndef BUFSIZ
#define BUFSIZ 65535
#endif
/* we are compatible with 0.26 of pkg-config */
#define PKG_PKGCONFIG_VERSION_EQUIV "0.26"
typedef enum {
PKG_ANY = 0,
PKG_LESS_THAN,
PKG_GREATER_THAN,
PKG_LESS_THAN_EQUAL,
PKG_GREATER_THAN_EQUAL,
PKG_EQUAL,
PKG_NOT_EQUAL,
PKG_ALWAYS_MATCH
} pkg_comparator_t;
typedef struct pkg_ pkg_t;
typedef struct dependency_ pkg_dependency_t;
typedef struct tuple_ pkg_tuple_t;
typedef struct fragment_ pkg_fragment_t;
#define foreach_list_entry(head, value) \
for ((value) = (head); (value) != NULL; (value) = (value)->next)
#define foreach_list_entry_safe(head, nextiter, value) \
for ((value) = (head), (nextiter) = (head) != NULL ? (head)->next : NULL; (value) != NULL; (value) = (nextiter), (nextiter) = (nextiter) != NULL ? (nextiter)->next : NULL)
#define LOCAL_COPY(a) \
strcpy(alloca(strlen(a) + 1), a)
#ifndef MIN
# define MIN(a,b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
# define MAX(a,b) (((a) > (b)) ? (a) : (b))
#endif
struct fragment_ {
struct fragment_ *prev, *next;
char type;
char *data;
};
struct dependency_ {
struct dependency_ *prev, *next;
char *package;
pkg_comparator_t compare;
char *version;
pkg_t *parent;
};
struct tuple_ {
struct tuple_ *prev, *next;
char *key;
char *value;
};
#define PKG_PROPF_NONE 0x0
#define PKG_PROPF_VIRTUAL 0x1
struct pkg_ {
char *id;
char *filename;
char *realname;
char *version;
char *description;
char *url;
char *pc_filedir;
pkg_fragment_t *libs;
pkg_fragment_t *libs_private;
pkg_fragment_t *cflags;
pkg_dependency_t *requires;
pkg_dependency_t *requires_private;
pkg_dependency_t *conflicts;
pkg_tuple_t *vars;
bool uninstalled;
unsigned int flags;
};
#define PKG_MODULE_SEPARATOR(c) ((c) == ',' || isspace ((c)))
#define PKG_OPERATOR_CHAR(c) ((c) == '<' || (c) == '>' || (c) == '!' || (c) == '=')
#define PKGF_NONE 0x0
#define PKGF_SEARCH_PRIVATE 0x1
#define PKGF_ENV_ONLY 0x2
#define PKGF_NO_UNINSTALLED 0x4
#define PKG_ERRF_OK 0x0
#define PKG_ERRF_PACKAGE_NOT_FOUND 0x1
#define PKG_ERRF_PACKAGE_VER_MISMATCH 0x2
/* pkg.c */
void pkg_free(pkg_t *pkg);
pkg_t *pkg_find(const char *name, unsigned int flags);
void pkg_traverse(pkg_t *root, void (*pkg_traverse_func)(pkg_t *package, void *data), void *data, int maxdepth, unsigned int flags);
void pkg_verify_graph(pkg_t *root, int depth, unsigned int flags);
int pkg_compare_version(const char *a, const char *b);
pkg_t *pkg_verify_dependency(pkg_dependency_t *pkgdep, unsigned int flags, unsigned int *eflags);
const char *pkg_get_comparator(pkg_dependency_t *pkgdep);
/* parse.c */
pkg_t *parse_file(const char *path, FILE *f);
pkg_dependency_t *parse_deplist(pkg_t *pkg, const char *depends);
pkg_dependency_t *pkg_dependency_append(pkg_dependency_t *head, pkg_dependency_t *tail);
void pkg_dependency_free(pkg_dependency_t *head);
/* argvsplit.c */
int argv_split(const char *src, int *argc, char ***argv);
/* fragment.c */
pkg_fragment_t *pkg_fragment_append(pkg_fragment_t *head, pkg_fragment_t *tail);
pkg_fragment_t *pkg_fragment_add(pkg_fragment_t *head, const char *string);
pkg_fragment_t *pkg_fragment_copy(pkg_fragment_t *head, pkg_fragment_t *base);
void pkg_fragment_delete(pkg_fragment_t *node);
bool pkg_fragment_exists(pkg_fragment_t *head, pkg_fragment_t *base);
void pkg_fragment_free(pkg_fragment_t *head);
/* fileio.c */
char *pkg_fgetline(char *line, size_t size, FILE *stream);
/* tuple.c */
pkg_tuple_t *pkg_tuple_add(pkg_tuple_t *parent, const char *key, const char *value);
char *pkg_tuple_find(pkg_tuple_t *head, const char *key);
char *pkg_tuple_parse(pkg_tuple_t *vars, const char *value);
void pkg_tuple_free(pkg_tuple_t *head);
#endif