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cache.c: read(2) returns -1 on error, not 0

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Noticed-by: Jim Meyering <jim@meyering.net>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
This commit is contained in:
Lars Hjemli 2008-05-18 23:10:05 +02:00
parent c3de425acb
commit 6102bcfce4
1 changed files with 1 additions and 1 deletions
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2
cache.c
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@ -52,7 +52,7 @@ static int open_slot(struct cache_slot *slot)
return errno; return errno;
slot->bufsize = read(slot->cache_fd, slot->buf, sizeof(slot->buf)); slot->bufsize = read(slot->cache_fd, slot->buf, sizeof(slot->buf));
if (slot->bufsize == 0) if (slot->bufsize < 0)
return errno; return errno;
bufz = memchr(slot->buf, 0, slot->bufsize); bufz = memchr(slot->buf, 0, slot->bufsize);