From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 19 Oct 2023 10:24:31 +0000 (+0000)
Subject: downloader: transfer: Implement storing the transfer in a buffer
X-Git-Tag: 0.9.30~1445
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1ade3bf93eef711ece54931d204a52f7ac4e4c62;p=people%2Fms%2Fpakfire.git

downloader: transfer: Implement storing the transfer in a buffer

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

diff --git a/src/libpakfire/downloader.c b/src/libpakfire/downloader.c
index 2c6464885..0c53262d3 100644
--- a/src/libpakfire/downloader.c
+++ b/src/libpakfire/downloader.c
@@ -20,6 +20,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <sys/queue.h>
 #include <unistd.h>
@@ -668,6 +669,20 @@ int pakfire_downloader_transfer_set_output(struct pakfire_transfer* transfer, FI
 	return 0;
 }
 
+int pakfire_downloader_transfer_set_output_buffer(struct pakfire_transfer* transfer,
+		char** buffer, size_t* length) {
+	FILE* f = NULL;
+
+	// Open a memory stream
+	f = open_memstream(buffer, length);
+	if (!f) {
+		CTX_ERROR(transfer->ctx, "Could not open memory stream: %s\n", strerror(errno));
+		return -errno;
+	}
+
+	return pakfire_downloader_transfer_set_output(transfer, f);
+}
+
 int pakfire_downloader_transfer_set_input(struct pakfire_transfer* transfer, FILE* f) {
 	struct stat stat;
 	int r;
diff --git a/src/libpakfire/include/pakfire/downloader.h b/src/libpakfire/include/pakfire/downloader.h
index 437d57881..f4b9061bd 100644
--- a/src/libpakfire/include/pakfire/downloader.h
+++ b/src/libpakfire/include/pakfire/downloader.h
@@ -60,6 +60,8 @@ int pakfire_downloader_transfer_verify_digest(
 int pakfire_downloader_transfer_add_param(struct pakfire_transfer* transfer,
 	const char* key, const char* format, ...) __attribute__((format(printf, 3, 4)));
 int pakfire_downloader_transfer_set_output(struct pakfire_transfer* transfer, FILE* f);
+int pakfire_downloader_transfer_set_output_buffer(struct pakfire_transfer* transfer,
+	char** buffer, size_t* length);
 int pakfire_downloader_transfer_set_input(struct pakfire_transfer* transfer, FILE* f);
 int pakfire_downloader_transfer_set_target(struct pakfire_transfer* transfer, const char* path);
 int pakfire_downloader_transfer_auth(struct pakfire_transfer* transfer);