X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fcompress.c;h=383f6a6e9665b84ac280b9d3c57e8f0f847c4f70;hb=d2d9ac67812e2f8c8b82a0f3428aa576b4d58a71;hp=6923753f894a0aac25755e5dedf6d478d70fa041;hpb=1fa2f38f0f011010bf57522b42fcc168856a7003;p=elogind.git
diff --git a/src/journal/compress.c b/src/journal/compress.c
index 6923753f8..383f6a6e9 100644
--- a/src/journal/compress.c
+++ b/src/journal/compress.c
@@ -19,7 +19,6 @@
along with systemd; If not, see .
***/
-#include
#include
#include
#include
@@ -590,14 +589,12 @@ int decompress_stream_lz4(int fdf, int fdt, off_t max_bytes) {
return log_oom();
for (;;) {
- ssize_t n, m;
+ ssize_t m;
int r;
- n = read(fdf, &header, sizeof(header));
- if (n < 0)
- return -errno;
- if (n != sizeof(header))
- return errno ? -errno : -EIO;
+ r = loop_read_exact(fdf, &header, sizeof(header), false);
+ if (r < 0)
+ return r;
m = le32toh(header);
if (m == 0)
@@ -619,12 +616,9 @@ int decompress_stream_lz4(int fdf, int fdt, off_t max_bytes) {
if (!GREEDY_REALLOC(buf, buf_size, m))
return log_oom();
- errno = 0;
- n = loop_read(fdf, buf, m, false);
- if (n < 0)
- return n;
- if (n != m)
- return errno ? -errno : -EIO;
+ r = loop_read_exact(fdf, buf, m, false);
+ if (r < 0)
+ return r;
r = LZ4_decompress_safe_continue(&lz4_data, buf, out, m, 4*LZ4_BUFSIZE);
if (r <= 0)
@@ -637,9 +631,9 @@ int decompress_stream_lz4(int fdf, int fdt, off_t max_bytes) {
return -EFBIG;
}
- n = loop_write(fdt, out, r, false);
- if (n < 0)
- return n;
+ r = loop_write(fdt, out, r, false);
+ if (r < 0)
+ return r;
}
log_debug("LZ4 decompression finished (%zu -> %zu bytes, %.1f%%)",