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pkg: clean up pkg_find() by adding pkg_try_specific_path(). (issue #16)

pull/29/head
William Pitcock 2012-05-07 03:57:28 -05:00
parent 2aaa1ce0df
commit 4b193018a4
1 changed files with 28 additions and 56 deletions
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84
pkg.c
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@ -211,13 +211,33 @@ pkg_free(pkg_t *pkg)
free(pkg);
}
static inline pkg_t *
pkg_try_specific_path(const char *path, const char *name, unsigned int flags)
{
pkg_t *pkg = NULL;
FILE *f;
char locbuf[PKG_CONFIG_PATH_SZ];
char uninst_locbuf[PKG_CONFIG_PATH_SZ];
snprintf(locbuf, sizeof locbuf, "%s/%s" PKG_CONFIG_EXT, path, name);
snprintf(uninst_locbuf, sizeof uninst_locbuf, "%s/%s-uninstalled" PKG_CONFIG_EXT, path, name);
if (!(flags & PKGF_NO_UNINSTALLED) && (f = fopen(uninst_locbuf, "r")) != NULL)
{
pkg = pkg_new_from_file(uninst_locbuf, f);
pkg->uninstalled = true;
}
else if ((f = fopen(locbuf, "r")) != NULL)
pkg = pkg_new_from_file(locbuf, f);
return pkg;
}
#ifdef _WIN32
pkg_t *
pkg_find_in_registry_key(HKEY hkey, const char *name, unsigned int flags)
{
pkg_t *pkg = NULL;
char locbuf[PKG_CONFIG_PATH_SZ];
char uninst_locbuf[PKG_CONFIG_PATH_SZ];
HKEY key;
int i = 0;
@ -238,28 +258,9 @@ pkg_find_in_registry_key(HKEY hkey, const char *name, unsigned int flags)
if (RegQueryValueEx(key, buf, NULL, &type, pathbuf, &pathbuflen)
== ERROR_SUCCESS && type == REG_SZ)
{
FILE *f;
/* XXX: support REG_EXPAND_SZ? */
snprintf(locbuf, sizeof locbuf, "%s/%s" PKG_CONFIG_EXT,
pathbuf, name);
snprintf(uninst_locbuf, sizeof uninst_locbuf,
"%s/%s-uninstalled" PKG_CONFIG_EXT, pathbuf, name);
if (!(flags & PKGF_NO_UNINSTALLED)
&& (f = fopen(uninst_locbuf, "r")) != NULL)
{
pkg = pkg_new_from_file(locbuf, f);
pkg->uninstalled = true;
pkg = pkg_try_specific_path(pathbuf, name, flags);
if (pkg != NULL)
break;
}
if ((f = fopen(locbuf, "r")) != NULL)
{
pkg = pkg_new_from_file(locbuf, f);
break;
}
}
bufsize = sizeof buf;
@ -273,8 +274,6 @@ pkg_find_in_registry_key(HKEY hkey, const char *name, unsigned int flags)
pkg_t *
pkg_find(const char *name, unsigned int flags)
{
char locbuf[PKG_CONFIG_PATH_SZ];
char uninst_locbuf[PKG_CONFIG_PATH_SZ];
char **path = NULL;
size_t count = 0, iter = 0;
const char *env_path;
@ -296,22 +295,9 @@ pkg_find(const char *name, unsigned int flags)
for (iter = 0; iter < count; iter++)
{
snprintf(locbuf, sizeof locbuf, "%s/%s" PKG_CONFIG_EXT, path[iter], name);
snprintf(uninst_locbuf, sizeof uninst_locbuf, "%s/%s-uninstalled" PKG_CONFIG_EXT, path[iter], name);
if (!(flags & PKGF_NO_UNINSTALLED) && (f = fopen(uninst_locbuf, "r")) != NULL)
{
pkg = pkg_new_from_file(locbuf, f);
pkg->uninstalled = true;
pkg = pkg_try_specific_path(path[iter], name, flags);
if (pkg != NULL)
goto out;
}
if ((f = fopen(locbuf, "r")) != NULL)
{
pkg = pkg_new_from_file(locbuf, f);
goto out;
}
}
}
@ -325,28 +311,14 @@ pkg_find(const char *name, unsigned int flags)
for (iter = 0; iter < count; iter++)
{
snprintf(locbuf, sizeof locbuf, "%s/%s" PKG_CONFIG_EXT, path[iter], name);
snprintf(uninst_locbuf, sizeof uninst_locbuf, "%s/%s-uninstalled" PKG_CONFIG_EXT, path[iter], name);
if (!(flags & PKGF_NO_UNINSTALLED) && (f = fopen(uninst_locbuf, "r")) != NULL)
{
pkg_t *pkg = pkg_new_from_file(locbuf, f);
pkg->uninstalled = true;
pkg = pkg_try_specific_path(path[iter], name, flags);
if (pkg != NULL)
goto out;
}
if ((f = fopen(locbuf, "r")) != NULL)
{
pkg = pkg_new_from_file(locbuf, f);
goto out;
}
}
}
#ifdef _WIN32
/* support getting PKG_CONFIG_PATH from registry */
pkg = pkg_find_in_registry_key(HKEY_CURRENT_USER, name, flags);
if (!pkg)
pkg = pkg_find_in_registry_key(HKEY_LOCAL_MACHINE, name, flags);