| -rw-r--r-- | cache.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -78,22 +78,25 @@ static int close_slot(struct cache_slot *slot) return err; } /* 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; } /* Check if the slot has expired */ |