pkgconf/libpkgconf/libpkgconf.h

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/*
* libpkgconf.h
* Global include file for everything in libpkgconf.
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*
* Copyright (c) 2011, 2015 pkgconf authors (see AUTHORS).
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*
* 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 'as is' and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising
* from the use of this software.
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*/
#ifndef LIBPKGCONF__LIBPKGCONF_H
#define LIBPKGCONF__LIBPKGCONF_H
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#include <stdio.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
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#include <libpkgconf/libpkgconf-api.h>
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#include <libpkgconf/iter.h>
#include <libpkgconf/bsdstubs.h>
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#ifdef __cplusplus
extern "C" {
#endif
/* pkg-config uses ';' on win32 as ':' is part of path */
#ifdef _WIN32
#define PKG_CONFIG_PATH_SEP_S ";"
#else
#define PKG_CONFIG_PATH_SEP_S ":"
#endif
#ifdef _WIN32
#define PKG_DIR_SEP_S '\\'
#else
#define PKG_DIR_SEP_S '/'
#endif
#ifdef _WIN32
#define realpath(N,R) _fullpath((R),(N),_MAX_PATH)
#endif
#define PKGCONF_BUFSIZE (65535)
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typedef enum {
PKGCONF_CMP_NOT_EQUAL,
PKGCONF_CMP_ANY,
PKGCONF_CMP_LESS_THAN,
PKGCONF_CMP_LESS_THAN_EQUAL,
PKGCONF_CMP_EQUAL,
PKGCONF_CMP_GREATER_THAN,
PKGCONF_CMP_GREATER_THAN_EQUAL
} pkgconf_pkg_comparator_t;
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#define PKGCONF_CMP_COUNT 7
typedef struct pkgconf_pkg_ pkgconf_pkg_t;
typedef struct pkgconf_dependency_ pkgconf_dependency_t;
typedef struct pkgconf_tuple_ pkgconf_tuple_t;
typedef struct pkgconf_fragment_ pkgconf_fragment_t;
typedef struct pkgconf_path_ pkgconf_path_t;
typedef struct pkgconf_client_ pkgconf_client_t;
typedef struct pkgconf_cross_personality_ pkgconf_cross_personality_t;
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#define PKGCONF_ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
#define PKGCONF_FOREACH_LIST_ENTRY(head, value) \
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for ((value) = (head); (value) != NULL; (value) = (value)->next)
#define PKGCONF_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 PKGCONF_FOREACH_LIST_ENTRY_REVERSE(tail, value) \
for ((value) = (tail); (value) != NULL; (value) = (value)->prev)
#define LIBPKGCONF_VERSION 10905
#define LIBPKGCONF_VERSION_STR "1.9.5"
struct pkgconf_fragment_ {
pkgconf_node_t iter;
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char type;
char *data;
bool merged;
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};
struct pkgconf_dependency_ {
pkgconf_node_t iter;
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char *package;
pkgconf_pkg_comparator_t compare;
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char *version;
pkgconf_pkg_t *parent;
pkgconf_pkg_t *match;
unsigned int flags;
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int refcount;
pkgconf_client_t *owner;
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};
struct pkgconf_tuple_ {
pkgconf_node_t iter;
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char *key;
char *value;
unsigned int flags;
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};
#define PKGCONF_PKG_TUPLEF_OVERRIDE 0x1
struct pkgconf_path_ {
pkgconf_node_t lnode;
char *path;
void *handle_path;
void *handle_device;
};
#define PKGCONF_PKG_PROPF_NONE 0x00
#define PKGCONF_PKG_PROPF_STATIC 0x01
#define PKGCONF_PKG_PROPF_CACHED 0x02
#define PKGCONF_PKG_PROPF_UNINSTALLED 0x08
#define PKGCONF_PKG_PROPF_VIRTUAL 0x10
struct pkgconf_pkg_ {
int refcount;
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char *id;
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char *filename;
char *realname;
char *version;
char *description;
char *url;
char *pc_filedir;
char *license;
char *maintainer;
char *copyright;
pkgconf_list_t libs;
pkgconf_list_t libs_private;
pkgconf_list_t cflags;
pkgconf_list_t cflags_private;
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pkgconf_list_t required; /* this used to be requires but that is now a reserved keyword */
pkgconf_list_t requires_private;
pkgconf_list_t conflicts;
pkgconf_list_t provides;
pkgconf_list_t vars;
unsigned int flags;
pkgconf_client_t *owner;
/* these resources are owned by the package and do not need special management,
* under no circumstance attempt to allocate or free objects belonging to these pointers
*/
pkgconf_tuple_t *orig_prefix;
pkgconf_tuple_t *prefix;
uint64_t serial;
size_t hits;
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};
typedef bool (*pkgconf_pkg_iteration_func_t)(const pkgconf_pkg_t *pkg, void *data);
typedef void (*pkgconf_pkg_traverse_func_t)(pkgconf_client_t *client, pkgconf_pkg_t *pkg, void *data);
typedef bool (*pkgconf_queue_apply_func_t)(pkgconf_client_t *client, pkgconf_pkg_t *world, void *data, int maxdepth);
typedef bool (*pkgconf_error_handler_func_t)(const char *msg, const pkgconf_client_t *client, void *data);
struct pkgconf_client_ {
pkgconf_list_t dir_list;
pkgconf_list_t filter_libdirs;
pkgconf_list_t filter_includedirs;
pkgconf_list_t global_vars;
void *error_handler_data;
void *warn_handler_data;
void *trace_handler_data;
pkgconf_error_handler_func_t error_handler;
pkgconf_error_handler_func_t warn_handler;
pkgconf_error_handler_func_t trace_handler;
FILE *auditf;
char *sysroot_dir;
char *buildroot_dir;
unsigned int flags;
char *prefix_varname;
bool already_sent_notice;
uint64_t serial;
pkgconf_pkg_t **cache_table;
size_t cache_count;
};
struct pkgconf_cross_personality_ {
const char *name;
pkgconf_list_t dir_list;
pkgconf_list_t filter_libdirs;
pkgconf_list_t filter_includedirs;
char *sysroot_dir;
bool want_default_static;
bool want_default_pure;
};
/* client.c */
PKGCONF_API void pkgconf_client_init(pkgconf_client_t *client, pkgconf_error_handler_func_t error_handler, void *error_handler_data, const pkgconf_cross_personality_t *personality);
PKGCONF_API pkgconf_client_t * pkgconf_client_new(pkgconf_error_handler_func_t error_handler, void *error_handler_data, const pkgconf_cross_personality_t *personality);
PKGCONF_API void pkgconf_client_deinit(pkgconf_client_t *client);
PKGCONF_API void pkgconf_client_free(pkgconf_client_t *client);
PKGCONF_API const char *pkgconf_client_get_sysroot_dir(const pkgconf_client_t *client);
PKGCONF_API void pkgconf_client_set_sysroot_dir(pkgconf_client_t *client, const char *sysroot_dir);
PKGCONF_API const char *pkgconf_client_get_buildroot_dir(const pkgconf_client_t *client);
PKGCONF_API void pkgconf_client_set_buildroot_dir(pkgconf_client_t *client, const char *buildroot_dir);
PKGCONF_API unsigned int pkgconf_client_get_flags(const pkgconf_client_t *client);
PKGCONF_API void pkgconf_client_set_flags(pkgconf_client_t *client, unsigned int flags);
PKGCONF_API const char *pkgconf_client_get_prefix_varname(const pkgconf_client_t *client);
PKGCONF_API void pkgconf_client_set_prefix_varname(pkgconf_client_t *client, const char *prefix_varname);
PKGCONF_API pkgconf_error_handler_func_t pkgconf_client_get_warn_handler(const pkgconf_client_t *client);
PKGCONF_API void pkgconf_client_set_warn_handler(pkgconf_client_t *client, pkgconf_error_handler_func_t warn_handler, void *warn_handler_data);
PKGCONF_API pkgconf_error_handler_func_t pkgconf_client_get_error_handler(const pkgconf_client_t *client);
PKGCONF_API void pkgconf_client_set_error_handler(pkgconf_client_t *client, pkgconf_error_handler_func_t error_handler, void *error_handler_data);
PKGCONF_API pkgconf_error_handler_func_t pkgconf_client_get_trace_handler(const pkgconf_client_t *client);
PKGCONF_API void pkgconf_client_set_trace_handler(pkgconf_client_t *client, pkgconf_error_handler_func_t trace_handler, void *trace_handler_data);
PKGCONF_API void pkgconf_client_dir_list_build(pkgconf_client_t *client, const pkgconf_cross_personality_t *personality);
/* personality.c */
PKGCONF_API pkgconf_cross_personality_t *pkgconf_cross_personality_default(void);
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PKGCONF_API pkgconf_cross_personality_t *pkgconf_cross_personality_find(const char *triplet);
PKGCONF_API void pkgconf_cross_personality_deinit(pkgconf_cross_personality_t *personality);
Avoid undefined behaviour with the ctype(3) functions. fix https://github.com/pkgconf/pkgconf/issues/291 As defined in the C standard: In all cases the argument is an int, the value of which shall be representable as an unsigned char or shall equal the value of the macro EOF. If the argument has any other value, the behavior is undefined. This is because they're designed to work with the int values returned by getc or fgetc; they need extra work to handle a char value. If EOF is -1 (as it almost always is), with 8-bit bytes, the allowed inputs to the ctype(3) functions are: {-1, 0, 1, 2, 3, ..., 255}. However, on platforms where char is signed, such as x86 with the usual ABI, code like char *ptr = ...; ... isspace(*ptr) ... may pass in values in the range: {-128, -127, -126, ..., -2, -1, 0, 1, ..., 127}. This has two problems: 1. Inputs in the set {-128, -127, -126, ..., -2} are forbidden. 2. The non-EOF byte 0xff is conflated with the value EOF = -1, so even though the input is not forbidden, it may give the wrong answer. Casting char to unsigned int first before passing the result to ctype(3) doesn't help: inputs like -128 are unchanged by this cast, because (on a two's-complement machine with 32-bit int and unsigned int), converting the signed char with integer value -128 to unsigned int gives integer value 2^32 - 128 = 0xffffff80, which is out of range, and which is converted in int back to -128, which is also out of range. It is necessary to cast char inputs to unsigned char first; you can then cast to unsigned int if you like but there's no need because the functions will always convert the argument to int by definition. So the above fragment needs to be: char *ptr = ...; ... isspace((unsigned char)*ptr) ... This patch changes unsigned int casts to unsigned char casts, and adds unsigned char casts where they are missing.
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#define PKGCONF_IS_MODULE_SEPARATOR(c) ((c) == ',' || isspace ((unsigned char)(c)))
#define PKGCONF_IS_OPERATOR_CHAR(c) ((c) == '<' || (c) == '>' || (c) == '!' || (c) == '=')
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#define PKGCONF_PKG_PKGF_NONE 0x0000
#define PKGCONF_PKG_PKGF_SEARCH_PRIVATE 0x0001
#define PKGCONF_PKG_PKGF_ENV_ONLY 0x0002
#define PKGCONF_PKG_PKGF_NO_UNINSTALLED 0x0004
#define PKGCONF_PKG_PKGF_SKIP_ROOT_VIRTUAL 0x0008
#define PKGCONF_PKG_PKGF_MERGE_PRIVATE_FRAGMENTS 0x0010
#define PKGCONF_PKG_PKGF_SKIP_CONFLICTS 0x0020
#define PKGCONF_PKG_PKGF_NO_CACHE 0x0040
#define PKGCONF_PKG_PKGF_SKIP_ERRORS 0x0080
#define PKGCONF_PKG_PKGF_ITER_PKG_IS_PRIVATE 0x0100
#define PKGCONF_PKG_PKGF_SKIP_PROVIDES 0x0200
#define PKGCONF_PKG_PKGF_REDEFINE_PREFIX 0x0400
#define PKGCONF_PKG_PKGF_DONT_RELOCATE_PATHS 0x0800
#define PKGCONF_PKG_PKGF_SIMPLIFY_ERRORS 0x1000
#define PKGCONF_PKG_PKGF_DONT_FILTER_INTERNAL_CFLAGS 0x2000
#define PKGCONF_PKG_PKGF_DONT_MERGE_SPECIAL_FRAGMENTS 0x4000
#define PKGCONF_PKG_PKGF_FDO_SYSROOT_RULES 0x8000
#define PKGCONF_PKG_PKGF_PKGCONF1_SYSROOT_RULES 0x10000
#define PKGCONF_PKG_DEPF_INTERNAL 0x1
#define PKGCONF_PKG_DEPF_PRIVATE 0x2
#define PKGCONF_PKG_ERRF_OK 0x0
#define PKGCONF_PKG_ERRF_PACKAGE_NOT_FOUND 0x1
#define PKGCONF_PKG_ERRF_PACKAGE_VER_MISMATCH 0x2
#define PKGCONF_PKG_ERRF_PACKAGE_CONFLICT 0x4
#define PKGCONF_PKG_ERRF_DEPGRAPH_BREAK 0x8
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
#define PRINTFLIKE(fmtarg, firstvararg) \
__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
#define DEPRECATED \
__attribute__((deprecated))
#else
#define PRINTFLIKE(fmtarg, firstvararg)
#define DEPRECATED
#endif /* defined(__INTEL_COMPILER) || defined(__GNUC__) */
/* parser.c */
typedef void (*pkgconf_parser_operand_func_t)(void *data, const size_t lineno, const char *key, const char *value);
typedef void (*pkgconf_parser_warn_func_t)(void *data, const char *fmt, ...);
PKGCONF_API void pkgconf_parser_parse(FILE *f, void *data, const pkgconf_parser_operand_func_t *ops, const pkgconf_parser_warn_func_t warnfunc, const char *filename);
/* pkg.c */
PKGCONF_API bool pkgconf_error(const pkgconf_client_t *client, const char *format, ...) PRINTFLIKE(2, 3);
PKGCONF_API bool pkgconf_warn(const pkgconf_client_t *client, const char *format, ...) PRINTFLIKE(2, 3);
PKGCONF_API bool pkgconf_trace(const pkgconf_client_t *client, const char *filename, size_t lineno, const char *funcname, const char *format, ...) PRINTFLIKE(5, 6);
PKGCONF_API bool pkgconf_default_error_handler(const char *msg, const pkgconf_client_t *client, void *data);
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#ifndef PKGCONF_LITE
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
#define PKGCONF_TRACE(client, ...) do { \
pkgconf_trace(client, __FILE__, __LINE__, __PRETTY_FUNCTION__, __VA_ARGS__); \
} while (0)
#else
#define PKGCONF_TRACE(client, ...) do { \
pkgconf_trace(client, __FILE__, __LINE__, __func__, __VA_ARGS__); \
} while (0)
#endif
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#else
#define PKGCONF_TRACE(client, ...)
#endif
PKGCONF_API pkgconf_pkg_t *pkgconf_pkg_ref(pkgconf_client_t *client, pkgconf_pkg_t *pkg);
PKGCONF_API void pkgconf_pkg_unref(pkgconf_client_t *client, pkgconf_pkg_t *pkg);
PKGCONF_API void pkgconf_pkg_free(pkgconf_client_t *client, pkgconf_pkg_t *pkg);
PKGCONF_API pkgconf_pkg_t *pkgconf_pkg_find(pkgconf_client_t *client, const char *name);
PKGCONF_API unsigned int pkgconf_pkg_traverse(pkgconf_client_t *client, pkgconf_pkg_t *root, pkgconf_pkg_traverse_func_t func, void *data, int maxdepth, unsigned int skip_flags);
PKGCONF_API unsigned int pkgconf_pkg_verify_graph(pkgconf_client_t *client, pkgconf_pkg_t *root, int depth);
PKGCONF_API pkgconf_pkg_t *pkgconf_pkg_verify_dependency(pkgconf_client_t *client, pkgconf_dependency_t *pkgdep, unsigned int *eflags);
PKGCONF_API const char *pkgconf_pkg_get_comparator(const pkgconf_dependency_t *pkgdep);
PKGCONF_API unsigned int pkgconf_pkg_cflags(pkgconf_client_t *client, pkgconf_pkg_t *root, pkgconf_list_t *list, int maxdepth);
PKGCONF_API unsigned int pkgconf_pkg_libs(pkgconf_client_t *client, pkgconf_pkg_t *root, pkgconf_list_t *list, int maxdepth);
PKGCONF_API pkgconf_pkg_comparator_t pkgconf_pkg_comparator_lookup_by_name(const char *name);
PKGCONF_API pkgconf_pkg_t *pkgconf_builtin_pkg_get(const char *name);
PKGCONF_API int pkgconf_compare_version(const char *a, const char *b);
PKGCONF_API pkgconf_pkg_t *pkgconf_scan_all(pkgconf_client_t *client, void *ptr, pkgconf_pkg_iteration_func_t func);
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/* parse.c */
PKGCONF_API pkgconf_pkg_t *pkgconf_pkg_new_from_file(pkgconf_client_t *client, const char *path, FILE *f, unsigned int flags);
PKGCONF_API void pkgconf_dependency_parse_str(pkgconf_client_t *client, pkgconf_list_t *deplist_head, const char *depends, unsigned int flags);
PKGCONF_API void pkgconf_dependency_parse(pkgconf_client_t *client, pkgconf_pkg_t *pkg, pkgconf_list_t *deplist_head, const char *depends, unsigned int flags);
PKGCONF_API void pkgconf_dependency_append(pkgconf_list_t *list, pkgconf_dependency_t *tail);
PKGCONF_API void pkgconf_dependency_free(pkgconf_list_t *list);
PKGCONF_API void pkgconf_dependency_free_one(pkgconf_dependency_t *dep);
PKGCONF_API pkgconf_dependency_t *pkgconf_dependency_add(pkgconf_client_t *client, pkgconf_list_t *list, const char *package, const char *version, pkgconf_pkg_comparator_t compare, unsigned int flags);
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PKGCONF_API pkgconf_dependency_t *pkgconf_dependency_ref(pkgconf_client_t *client, pkgconf_dependency_t *dep);
PKGCONF_API void pkgconf_dependency_unref(pkgconf_client_t *client, pkgconf_dependency_t *dep);
PKGCONF_API pkgconf_dependency_t *pkgconf_dependency_copy(pkgconf_client_t *client, const pkgconf_dependency_t *dep);
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/* argvsplit.c */
PKGCONF_API int pkgconf_argv_split(const char *src, int *argc, char ***argv);
PKGCONF_API void pkgconf_argv_free(char **argv);
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/* fragment.c */
typedef struct pkgconf_fragment_render_ops_ {
size_t (*render_len)(const pkgconf_list_t *list, bool escape);
void (*render_buf)(const pkgconf_list_t *list, char *buf, size_t len, bool escape);
} pkgconf_fragment_render_ops_t;
typedef bool (*pkgconf_fragment_filter_func_t)(const pkgconf_client_t *client, const pkgconf_fragment_t *frag, void *data);
PKGCONF_API bool pkgconf_fragment_parse(const pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_list_t *vars, const char *value, unsigned int flags);
PKGCONF_API void pkgconf_fragment_add(const pkgconf_client_t *client, pkgconf_list_t *list, const char *string, unsigned int flags);
PKGCONF_API void pkgconf_fragment_copy(const pkgconf_client_t *client, pkgconf_list_t *list, const pkgconf_fragment_t *base, bool is_private);
PKGCONF_API void pkgconf_fragment_copy_list(const pkgconf_client_t *client, pkgconf_list_t *list, const pkgconf_list_t *base);
PKGCONF_API void pkgconf_fragment_delete(pkgconf_list_t *list, pkgconf_fragment_t *node);
PKGCONF_API void pkgconf_fragment_free(pkgconf_list_t *list);
PKGCONF_API void pkgconf_fragment_filter(const pkgconf_client_t *client, pkgconf_list_t *dest, pkgconf_list_t *src, pkgconf_fragment_filter_func_t filter_func, void *data);
PKGCONF_API size_t pkgconf_fragment_render_len(const pkgconf_list_t *list, bool escape, const pkgconf_fragment_render_ops_t *ops);
PKGCONF_API void pkgconf_fragment_render_buf(const pkgconf_list_t *list, char *buf, size_t len, bool escape, const pkgconf_fragment_render_ops_t *ops);
PKGCONF_API char *pkgconf_fragment_render(const pkgconf_list_t *list, bool escape, const pkgconf_fragment_render_ops_t *ops);
PKGCONF_API bool pkgconf_fragment_has_system_dir(const pkgconf_client_t *client, const pkgconf_fragment_t *frag);
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/* fileio.c */
PKGCONF_API char *pkgconf_fgetline(char *line, size_t size, FILE *stream);
/* tuple.c */
PKGCONF_API pkgconf_tuple_t *pkgconf_tuple_add(const pkgconf_client_t *client, pkgconf_list_t *parent, const char *key, const char *value, bool parse, unsigned int flags);
PKGCONF_API char *pkgconf_tuple_find(const pkgconf_client_t *client, pkgconf_list_t *list, const char *key);
PKGCONF_API char *pkgconf_tuple_parse(const pkgconf_client_t *client, pkgconf_list_t *list, const char *value, unsigned int flags);
PKGCONF_API void pkgconf_tuple_free(pkgconf_list_t *list);
PKGCONF_API void pkgconf_tuple_free_entry(pkgconf_tuple_t *tuple, pkgconf_list_t *list);
PKGCONF_API void pkgconf_tuple_add_global(pkgconf_client_t *client, const char *key, const char *value);
PKGCONF_API char *pkgconf_tuple_find_global(const pkgconf_client_t *client, const char *key);
PKGCONF_API void pkgconf_tuple_free_global(pkgconf_client_t *client);
PKGCONF_API void pkgconf_tuple_define_global(pkgconf_client_t *client, const char *kv);
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/* queue.c */
PKGCONF_API void pkgconf_queue_push(pkgconf_list_t *list, const char *package);
PKGCONF_API bool pkgconf_queue_compile(pkgconf_client_t *client, pkgconf_pkg_t *world, pkgconf_list_t *list);
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PKGCONF_API bool pkgconf_queue_solve(pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_pkg_t *world, int maxdepth);
PKGCONF_API void pkgconf_queue_free(pkgconf_list_t *list);
PKGCONF_API bool pkgconf_queue_apply(pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_queue_apply_func_t func, int maxdepth, void *data);
PKGCONF_API bool pkgconf_queue_validate(pkgconf_client_t *client, pkgconf_list_t *list, int maxdepth);
PKGCONF_API void pkgconf_solution_free(pkgconf_client_t *client, pkgconf_pkg_t *world);
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/* cache.c */
PKGCONF_API pkgconf_pkg_t *pkgconf_cache_lookup(pkgconf_client_t *client, const char *id);
PKGCONF_API void pkgconf_cache_add(pkgconf_client_t *client, pkgconf_pkg_t *pkg);
PKGCONF_API void pkgconf_cache_remove(pkgconf_client_t *client, pkgconf_pkg_t *pkg);
PKGCONF_API void pkgconf_cache_free(pkgconf_client_t *client);
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/* audit.c */
PKGCONF_API void pkgconf_audit_set_log(pkgconf_client_t *client, FILE *auditf);
PKGCONF_API void pkgconf_audit_log(pkgconf_client_t *client, const char *format, ...) PRINTFLIKE(2, 3);
PKGCONF_API void pkgconf_audit_log_dependency(pkgconf_client_t *client, const pkgconf_pkg_t *dep, const pkgconf_dependency_t *depnode);
/* path.c */
PKGCONF_API void pkgconf_path_add(const char *text, pkgconf_list_t *dirlist, bool filter);
PKGCONF_API size_t pkgconf_path_split(const char *text, pkgconf_list_t *dirlist, bool filter);
PKGCONF_API size_t pkgconf_path_build_from_environ(const char *envvarname, const char *fallback, pkgconf_list_t *dirlist, bool filter);
PKGCONF_API bool pkgconf_path_match_list(const char *path, const pkgconf_list_t *dirlist);
PKGCONF_API void pkgconf_path_free(pkgconf_list_t *dirlist);
PKGCONF_API bool pkgconf_path_relocate(char *buf, size_t buflen);
PKGCONF_API void pkgconf_path_copy_list(pkgconf_list_t *dst, const pkgconf_list_t *src);
#ifdef __cplusplus
}
#endif
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#endif