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-rw-r--r--cache.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/cache.c b/cache.c
index aa97ae1..9f02cf5 100644
--- a/cache.c
+++ b/cache.c
@@ -81,16 +81,19 @@ static int close_slot(struct cache_slot *slot)
/* Print the content of the active cache slot (but skip the key). */
static int print_slot(struct cache_slot *slot)
{
- ssize_t i;
+ ssize_t i, j;
i = lseek(slot->cache_fd, slot->keylen + 1, SEEK_SET);
if (i != slot->keylen + 1)
return errno;
- while((i = xread(slot->cache_fd, slot->buf, sizeof(slot->buf))) > 0)
- i = xwrite(STDOUT_FILENO, slot->buf, i);
+ do {
+ i = j = xread(slot->cache_fd, slot->buf, sizeof(slot->buf));
+ if (i > 0)
+ j = xwrite(STDOUT_FILENO, slot->buf, i);
+ } while (i > 0 && j == i);
- if (i < 0)
+ if (i < 0 || j != i)
return errno;
else
return 0;