From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 25 Oct 2024 11:07:42 +0000 (+0000)
Subject: file: Add functions to store a file descriptor
X-Git-Tag: 0.9.30~902
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7da29d2c150e994c063351b4d07c3d7cc85fd6ca;p=pakfire.git

file: Add functions to store a file descriptor

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

diff --git a/src/libpakfire/file.c b/src/libpakfire/file.c
index 05c84181f..ac7b54a13 100644
--- a/src/libpakfire/file.c
+++ b/src/libpakfire/file.c
@@ -67,6 +67,9 @@ struct pakfire_file {
 	// Use the libarchive entry to store common attributes
 	struct archive_entry* entry;
 
+	// File Descriptor
+	int fd;
+
 	// Capabilities
 	cap_t caps;
 
@@ -385,6 +388,9 @@ PAKFIRE_EXPORT int pakfire_file_create(struct pakfire_file** file, struct pakfir
 	// Initialize reference counter
 	f->nrefs = 1;
 
+	// Initialize file descriptor
+	f->fd = -EBADF;
+
 	// Create a new archive entry
 	f->entry = archive_entry_new();
 	if (!f->entry) {
@@ -537,6 +543,9 @@ ERROR:
 }
 
 static void pakfire_file_free(struct pakfire_file* file) {
+	if (file->fd >= 0)
+		close(file->fd);
+
 	// Free capabilities
 	if (file->caps)
 		cap_free(file->caps);
@@ -577,6 +586,27 @@ int pakfire_file_set_flags(struct pakfire_file* file, int flag) {
 	return 0;
 }
 
+// File Descriptor
+
+int pakfire_file_get_fd(struct pakfire_file* file) {
+	return file->fd;
+}
+
+int pakfire_file_set_fd(struct pakfire_file* file, int fd) {
+	// Close any previously assigned file descriptors
+	if (file->fd >= 0)
+		close(file->fd);
+
+	// Duplicate the file descriptor
+	file->fd = dup(fd);
+	if (file->fd < 0) {
+		CTX_ERROR(file->ctx, "Could not duplicate file descriptor: %m\n");
+		return -errno;
+	}
+
+	return 0;
+}
+
 #define pakfire_file_strmode(file, buffer) \
 	__pakfire_file_strmode(file, buffer, sizeof(buffer))
 
diff --git a/src/libpakfire/include/pakfire/file.h b/src/libpakfire/include/pakfire/file.h
index 468fb8657..ad35d0930 100644
--- a/src/libpakfire/include/pakfire/file.h
+++ b/src/libpakfire/include/pakfire/file.h
@@ -132,6 +132,9 @@ enum pakfire_file_classes {
 	PAKFIRE_FILE_RUNTIME_LINKER  = (1 << 14),
 };
 
+int pakfire_file_get_fd(struct pakfire_file* file);
+int pakfire_file_set_fd(struct pakfire_file* file, int fd);
+
 int pakfire_file_has_payload(struct pakfire_file* file);
 
 int pakfire_file_read(struct pakfire_file* file, struct archive* reader, const char* path);