[PATCH] time: fix parsing of tzdata files where off_t is 64-bit

William Pitcock nenolod at dereferenced.org
Thu Apr 28 08:09:20 UTC 2011


lseek takes off_t as the offset type, but gcc will normally pass a
32-bit value unless the number is wider than 16 bits.  so we force
gcc to pass the constant as off_t type always by casting the constant
to off_t.

Signed-off-by: William Pitcock <nenolod at dereferenced.org>
---
 libc/misc/time/time.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libc/misc/time/time.c b/libc/misc/time/time.c
index 19d68e1..1b21f9e 100644
--- a/libc/misc/time/time.c
+++ b/libc/misc/time/time.c
@@ -1856,7 +1856,7 @@ ERROR:
 			if (r != TZ_BUFLEN
 			 || strncmp(buf, "TZif", 4) != 0
 			 || (unsigned char)buf[4] < 2
-			 || lseek(fd, -TZ_BUFLEN, SEEK_END) < 0
+			 || lseek(fd, (off_t) -TZ_BUFLEN, SEEK_END) < 0
 			) {
 				goto ERROR;
 			}
-- 
1.7.4.5



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