From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 18 Oct 2024 10:44:55 +0000 (+0000)
Subject: config: Add a helper function to dump the configuration into a file handle
X-Git-Tag: 0.9.30~1019
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=00d64ab710a9c4f8267167ff6812ef8b86303535;p=pakfire.git

config: Add a helper function to dump the configuration into a file handle

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

diff --git a/src/libpakfire/config.c b/src/libpakfire/config.c
index 4141b186d..7c1b61117 100644
--- a/src/libpakfire/config.c
+++ b/src/libpakfire/config.c
@@ -608,3 +608,37 @@ ERROR:
 int pakfire_config_dump(struct pakfire_config* config, FILE* f) {
 	return pakfire_config_walk_sections(config, pakfire_config_dump_section, f);
 }
+
+FILE* pakfire_config_fdump(struct pakfire_config* config) {
+	FILE* f = NULL;
+	int r;
+
+	char* buffer = NULL;
+	size_t length = 0;
+
+	// Open a new memory stream
+	f = open_memstream(&buffer, &length);
+	if (!f)
+		goto ERROR;
+
+	// Dump the configuration
+	r = pakfire_config_dump(config, f);
+	if (r < 0)
+		goto ERROR;
+
+	// Close the memory stream
+	fclose(f);
+
+	// Re-open as a new file handle
+	f = fmemopen(buffer, length, "r");
+	if (!f)
+		goto ERROR;
+
+	return f;
+
+ERROR:
+	if (buffer)
+		free(buffer);
+
+	return NULL;
+}
diff --git a/src/libpakfire/include/pakfire/config.h b/src/libpakfire/include/pakfire/config.h
index fd35545ba..c3ac55b08 100644
--- a/src/libpakfire/include/pakfire/config.h
+++ b/src/libpakfire/include/pakfire/config.h
@@ -59,6 +59,7 @@ int pakfire_config_has_section(struct pakfire_config* config, const char* sectio
 int pakfire_config_read(struct pakfire_config* config, FILE* f);
 
 int pakfire_config_dump(struct pakfire_config* config, FILE* f);
+FILE* pakfire_config_fdump(struct pakfire_config* config);
 
 #endif