From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 3 Jan 2025 06:03:12 +0000 (+0000)
Subject: pakfire: Add openat() relative to the root
X-Git-Tag: 0.9.30~579
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=45169bcc2e7b05fa57049b7f42db7e3fccb624e5;p=pakfire.git

pakfire: Add openat() relative to the root

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/include/pakfire/pakfire.h b/src/libpakfire/include/pakfire/pakfire.h
index ce44b64b9..4681fddb5 100644
--- a/src/libpakfire/include/pakfire/pakfire.h
+++ b/src/libpakfire/include/pakfire/pakfire.h
@@ -125,6 +125,8 @@ const char* pakfire_get_distro_version(struct pakfire* pakfire);
 const char* pakfire_get_distro_version_id(struct pakfire* pakfire);
 const char* pakfire_get_distro_tag(struct pakfire* pakfire);
 
+int pakfire_openat(struct pakfire* pakfire, const char* path, int flags);
+
 #define pakfire_path(pakfire, path, format, ...) \
 	__pakfire_path(pakfire, path, sizeof(path), format, __VA_ARGS__)
 int __pakfire_path(struct pakfire* pakfire, char* path, const size_t length,
diff --git a/src/libpakfire/pakfire.c b/src/libpakfire/pakfire.c
index f9a22c45d..b22f34cc7 100644
--- a/src/libpakfire/pakfire.c
+++ b/src/libpakfire/pakfire.c
@@ -1085,6 +1085,14 @@ PAKFIRE_EXPORT const char* pakfire_get_path(struct pakfire* pakfire) {
 	return pakfire->path;
 }
 
+int pakfire_openat(struct pakfire* pakfire, const char* path, int flags) {
+	// Make paths relative
+	while (path && *path == '/')
+		path++;
+
+	return openat(pakfire->fd, path, flags);
+}
+
 int __pakfire_path(struct pakfire* pakfire, char* path, const size_t length,
 		const char* format, ...) {
 	char buffer[PATH_MAX];