From: Joel Rosdahl <joel@rosdahl.net>
Date: Sun, 12 Sep 2010 14:33:16 +0000 (+0200)
Subject: Stat file to get size hint in read_file()
X-Git-Tag: v3.1~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=634bb8d895cc8e1f11b7866ef5dfdf9f79ba2ee6;p=thirdparty%2Fccache.git

Stat file to get size hint in read_file()
---

diff --git a/util.c b/util.c
index bb3d909d9..1cf919260 100644
--- a/util.c
+++ b/util.c
@@ -1076,12 +1076,21 @@ bool
 read_file(const char *path, size_t size_hint, char **data, size_t *size)
 {
 	int fd, ret;
-	size_t pos = 0, allocated = (size_hint == 0) ? 16384 : size_hint;
+	size_t pos = 0, allocated;
+
+	if (size_hint == 0) {
+		struct stat st;
+		if (stat(path, &st) == 0) {
+			size_hint = st.st_size;
+		}
+	}
+	size_hint = (size_hint < 1024) ? 1024 : size_hint;
 
 	fd = open(path, O_RDONLY);
 	if (fd == -1) {
 		return false;
 	}
+	allocated = size_hint;
 	*data = x_malloc(allocated);
 	ret = 0;
 	do {