From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 23 Feb 2021 18:37:20 +0000 (+0000)
Subject: repo: Increase XZ work buffer from 1 byte to 1 megabyte
X-Git-Tag: 0.9.28~1285^2~715
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2bd95a6d1870c0dc0fbf2ed2e466824a02ee60e5;p=pakfire.git

repo: Increase XZ work buffer from 1 byte to 1 megabyte

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

diff --git a/src/libpakfire/repo.c b/src/libpakfire/repo.c
index 1f438db80..7add16bcc 100644
--- a/src/libpakfire/repo.c
+++ b/src/libpakfire/repo.c
@@ -410,9 +410,7 @@ struct xz_cookie {
 	lzma_stream stream;
 	int done;
 
-	// XXX This should actually be larger than one byte, but fread()
-	// in _xz_read() somehow segfaults when this is larger
-	uint8_t buffer[1];
+	uint8_t buffer[1048576];
 };
 
 static ssize_t _xz_read(void* data, char* buffer, size_t size) {
@@ -435,7 +433,7 @@ static ssize_t _xz_read(void* data, char* buffer, size_t size) {
 		if (cookie->stream.avail_in == 0) {
 			cookie->stream.next_in  = cookie->buffer;
 			cookie->stream.avail_in = fread(cookie->buffer,
-				1, sizeof(cookie->buffer), cookie->f);
+				1, sizeof(*cookie->buffer), cookie->f);
 
 			// Break if the input file could not be read
 			if (ferror(cookie->f))