[pacman-dev] [PATCH] be_package.c: fix compiler warning

Allan McRae allan at archlinux.org
Sun Jan 1 23:32:38 EST 2012


be_package.c: In function 'parse_descfile':
be_package.c:181:28: error: comparison between signed and unsigned
integer expressions [-Werror=sign-compare]

ptr - key + 2 is guaranteed to be > 0 so we can cast to size_t

Signed-off-by: Allan McRae <allan at archlinux.org>
---

I did reply to the patch email about this...

 lib/libalpm/be_package.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c
index c602996..fccbb10 100644
--- a/lib/libalpm/be_package.c
+++ b/lib/libalpm/be_package.c
@@ -178,7 +178,7 @@ static int parse_descfile(alpm_handle_t *handle, struct archive *a, alpm_pkg_t *
 		/* line is always in this format: "key = value"
 		 * we can be sure the " = " exists, so look for that */
 		ptr = memchr(key, ' ', len);
-		if(!ptr || ptr - key + 2 > len || memcmp(ptr, " = ", 3) != 0) {
+		if(!ptr || (size_t)(ptr - key + 2) > len || memcmp(ptr, " = ", 3) != 0) {
 			_alpm_log(handle, ALPM_LOG_DEBUG,
 					"%s: syntax error in description file line %d\n",
 					newpkg->name ? newpkg->name : "error", linenum);
-- 
1.7.8.1



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