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-rw-r--r--tests/fs-tests/integrity/integck.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c
index 2c6ffea..5ea3642 100644
--- a/tests/fs-tests/integrity/integck.c
+++ b/tests/fs-tests/integrity/integck.c
@@ -1502,7 +1502,8 @@ static void file_check_data(struct file_info *file, int fd,
{
size_t remains, block, i;
off_t r;
- char buf[IO_BUFFER_SIZE];
+ unsigned char read_buf[IO_BUFFER_SIZE];
+ unsigned char check_buf[IO_BUFFER_SIZE];
unsigned int seed = w->random_seed;
if (args.power_cut_mode && !file->clean)
@@ -1517,17 +1518,28 @@ static void file_check_data(struct file_info *file, int fd,
block = IO_BUFFER_SIZE;
else
block = remains;
- CHECK(read(fd, buf, block) == block);
- for (i = 0; i < block; ++i) {
- char c = (char)rand_r(&seed);
- if (buf[i] != c) {
- errmsg("file_check_data failed at %zu checking "
- "data at %llu size %zu", w->size - remains + i,
- (unsigned long long)w->offset, w->size);
- file_info_display(file);
- save_file(fd, file);
- }
- CHECK(buf[i] == c);
+ CHECK(read(fd, read_buf, block) == block);
+ for (i = 0; i < block; ++i)
+ check_buf[i] = (char)rand_r(&seed);
+
+ if (memcmp(check_buf, read_buf, block) != 0) {
+ errmsg("file_check_data failed, dumping "
+ "data at offset %llu size %zu",
+ (unsigned long long)w->offset, w->size);
+
+ fprintf (stderr, "Read data:\n");
+ for (r = 0; r < block; ++r)
+ fprintf(stderr, "%02x%c",
+ read_buf[r], ((r+1)%16)?' ':'\n');
+ fprintf(stderr, "\nExpected data:\n");
+ for (r = 0; r < block; ++r)
+ fprintf(stderr, "%02x%c",
+ check_buf[r], ((r+1)%16)?' ':'\n');
+ fprintf(stderr, " \n");
+
+ file_info_display(file);
+ save_file(fd, file);
+ CHECK(0);
}
remains -= block;
}