cache.c: read(2) returns -1 on error, not 0
Noticed-by: Jim Meyering <jim@meyering.net> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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orang tua
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2
cache.c
2
cache.c
@ -52,7 +52,7 @@ static int open_slot(struct cache_slot *slot)
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return errno;
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slot->bufsize = read(slot->cache_fd, slot->buf, sizeof(slot->buf));
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if (slot->bufsize == 0)
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if (slot->bufsize < 0)
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return errno;
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bufz = memchr(slot->buf, 0, slot->bufsize);
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