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pkgconf
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Support getting PKG_CONFIG_PATH from win32 registry.

pull/15/head
Michał Górny 2012-05-07 10:09:59 +02:00
parent 7ae5ccd177
commit c203beb902
1 changed files with 72 additions and 0 deletions
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72
pkg.c
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@ -24,6 +24,11 @@
#include "pkg.h"
#include "bsdstubs.h"
#ifdef _WIN32
# include <windows.h>
# define PKG_CONFIG_REG_KEY "Software\\pkgconfig\\PKG_CONFIG_PATH"
#endif
#define PKG_CONFIG_EXT ".pc"
#define PKG_CONFIG_PATH_SZ (65535)
@ -206,6 +211,65 @@ pkg_free(pkg_t *pkg)
free(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;
char buf[16384]; /* per registry limits */
DWORD bufsize = sizeof buf;
if (RegOpenKeyEx(hkey, PKG_CONFIG_REG_KEY,
0, KEY_READ, &key) != ERROR_SUCCESS)
return NULL;
while (RegEnumValue(key, i++, buf, &bufsize, NULL, NULL, NULL, NULL)
== ERROR_SUCCESS)
{
BYTE pathbuf[PKG_CONFIG_PATH_SZ];
DWORD type;
DWORD pathbuflen = sizeof pathbuf;
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;
break;
}
if ((f = fopen(locbuf, "r")) != NULL)
{
pkg = pkg_new_from_file(locbuf, f);
break;
}
}
bufsize = sizeof buf;
}
RegCloseKey(key);
return pkg;
}
#endif
pkg_t *
pkg_find(const char *name, unsigned int flags)
{
@ -280,6 +344,14 @@ pkg_find(const char *name, unsigned int flags)
}
}
#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);
#endif
out:
path_free(path, count);
return pkg;