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libpkgconf: improve API to support any number of builtin packages

feature/tap-sh
William Pitcock 2016-08-26 00:26:30 -05:00
parent 12a0eb124c
commit 9e415ea151
2 changed files with 57 additions and 10 deletions
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1
libpkgconf/libpkgconf.h
View File

@ -158,6 +158,7 @@ const char *pkgconf_pkg_get_comparator(const pkgconf_dependency_t *pkgdep);
int pkgconf_pkg_cflags(pkgconf_pkg_t *root, pkgconf_list_t *list, int maxdepth, unsigned int flags);
int pkgconf_pkg_libs(pkgconf_pkg_t *root, pkgconf_list_t *list, int maxdepth, unsigned int flags);
pkgconf_pkg_comparator_t pkgconf_pkg_comparator_lookup_by_name(const char *name);
pkgconf_pkg_t *pkgconf_builtin_pkg_get(const char *name);
int pkgconf_compare_version(const char *a, const char *b);
void pkgconf_scan_all(pkgconf_pkg_iteration_func_t func);

66
libpkgconf/pkg.c
View File

@ -480,6 +480,10 @@ pkgconf_pkg_find(const char *name, unsigned int flags)
}
}
/* check builtins */
if ((pkg = pkgconf_builtin_pkg_get(name)) != NULL)
return pkg;
/* check cache */
if (!(flags & PKGCONF_PKG_PKGF_NO_CACHE))
{
@ -660,6 +664,52 @@ static pkgconf_pkg_t pkg_config_virtual = {
},
};
static pkgconf_pkg_t pkgconf_virtual = {
.id = "pkgconf",
.realname = "pkgconf",
.description = "virtual package defining pkgconf API version supported",
.url = PACKAGE_BUGREPORT,
.version = PACKAGE_VERSION,
.flags = PKGCONF_PKG_PROPF_VIRTUAL,
.vars = {
.head = &(pkgconf_node_t){
.prev = NULL,
.next = NULL,
.data = &(pkgconf_tuple_t){
.key = "pc_path",
.value = PKG_DEFAULT_PATH,
},
},
.tail = NULL,
},
};
typedef struct {
const char *name;
pkgconf_pkg_t *pkg;
} pkgconf_builtin_pkg_pair_t;
/* keep these in alphabetical order */
static const pkgconf_builtin_pkg_pair_t pkgconf_builtin_pkg_pair_set[] = {
{"pkg-config", &pkg_config_virtual},
{"pkgconf", &pkgconf_virtual},
};
static int pkgconf_builtin_pkg_pair_cmp(const void *key, const void *ptr)
{
const pkgconf_builtin_pkg_pair_t *pair = ptr;
return strcasecmp(key, pair->name);
}
pkgconf_pkg_t *pkgconf_builtin_pkg_get(const char *name)
{
const pkgconf_builtin_pkg_pair_t *pair = bsearch(name, pkgconf_builtin_pkg_pair_set,
PKGCONF_ARRAY_SIZE(pkgconf_builtin_pkg_pair_set), sizeof(pkgconf_builtin_pkg_pair_t),
pkgconf_builtin_pkg_pair_cmp);
return (pair != NULL) ? pair->pkg : NULL;
}
typedef bool (*pkgconf_vercmp_res_func_t)(pkgconf_pkg_t *pkg, pkgconf_dependency_t *pkgdep);
typedef struct {
@ -786,22 +836,18 @@ pkgconf_pkg_comparator_lookup_by_name(const char *name)
pkgconf_pkg_t *
pkgconf_pkg_verify_dependency(pkgconf_dependency_t *pkgdep, unsigned int flags, unsigned int *eflags)
{
pkgconf_pkg_t *pkg = &pkg_config_virtual;
pkgconf_pkg_t *pkg = NULL;
if (eflags != NULL)
*eflags = PKGCONF_PKG_ERRF_OK;
/* pkg-config package name is special cased. */
if (strcasecmp(pkgdep->package, "pkg-config"))
pkg = pkgconf_pkg_find(pkgdep->package, flags);
if (pkg == NULL)
{
pkg = pkgconf_pkg_find(pkgdep->package, flags);
if (pkg == NULL)
{
if (eflags != NULL)
*eflags |= PKGCONF_PKG_ERRF_PACKAGE_NOT_FOUND;
if (eflags != NULL)
*eflags |= PKGCONF_PKG_ERRF_PACKAGE_NOT_FOUND;
return NULL;
}
return NULL;
}
if (pkg->id == NULL)