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Fix PKG_CONFIG_PATH precedence, simplify. 

PKG_CONFIG_PATH paths must take precedence over the default path.
Otherwise, we would be unable to override default .pc files.

And while I'm at it, simplify the whole code. It is pointless to
introduce another buffer and a lot of string mangling for one additional
path.
feature/tap-sh
Michał Górny 2012-05-02 15:55:13 +02:00
parent ee62bedd59
commit 3707ccd221
1 changed files with 25 additions and 40 deletions
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31
pkg.c
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@ -36,28 +36,6 @@
#define PKG_CONFIG_PATH_SEP ':' #define PKG_CONFIG_PATH_SEP ':'
#endif #endif
static inline const char *
pkg_get_pkgconfig_path(void)
{
static bool computed = false;
static char path[PKG_CONFIG_PATH_SZ];
char *env_path;
if (computed)
return path;
strlcpy(path, PKG_DEFAULT_PATH, sizeof path);
env_path = getenv("PKG_CONFIG_PATH");
if (env_path != NULL)
{
strlcat(path, PKG_CONFIG_PATH_SEP_S, sizeof path);
strlcat(path, env_path, sizeof path);
}
return path;
}
pkg_t * pkg_t *
pkg_find(const char *name) pkg_find(const char *name)
{ {
@ -67,7 +45,10 @@ pkg_find(const char *name)
int count = 0, pcount = 0; int count = 0, pcount = 0;
FILE *f; FILE *f;
env_path = pkg_get_pkgconfig_path(); /* PKG_CONFIG_PATH has to take precedence */
env_path = getenv("PKG_CONFIG_PATH");
if (env_path)
{
while (1) while (1)
{ {
if (env_path[count] && env_path[count] != PKG_CONFIG_PATH_SEP) if (env_path[count] && env_path[count] != PKG_CONFIG_PATH_SEP)
@ -92,7 +73,11 @@ pkg_find(const char *name)
count++; count++;
} }
}
snprintf(locbuf, sizeof locbuf, "%s/%s.pc", PKG_DEFAULT_PATH, name);
if (f = fopen(locbuf, "r"))
return parse_file(locbuf, f);
return NULL; return NULL;
} }