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foo*sum: report I/O errors, don't merely exit with 1.

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-07-02 19:11:01 +02:00
parent 3e7ecb179b
commit cd8eece88e
1 changed files with 3 additions and 1 deletions
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4
coreutils/md5_sha1_sum.c
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@ -151,7 +151,9 @@ static uint8_t *hash_file(const char *filename)
update(&context, in_buf, count);
}
hash_value = NULL;
if (count == 0) {
if (count < 0) {
bb_perror_msg("can't read '%s'", filename);
else /* count == 0 */ {
final(&context, in_buf);
hash_value = hash_bin_to_hex(in_buf, hash_len);
}