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(check_compressed_archive): Detect files smaller than 512 bytes.

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This commit is contained in:
Sergey Poznyakoff
2007-08-24 12:07:32 +00:00
parent 862770bf91
commit 7c0b81cbb9
1 changed files with 8 additions and 3 deletions
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11
src/buffer.c
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@@ -235,14 +235,16 @@ check_compressed_archive ()
{
struct zip_magic const *p;
bool sfr;
bool short_file = false;
/* Prepare global data needed for find_next_block: */
record_end = record_start; /* set up for 1st record = # 0 */
sfr = read_full_records;
read_full_records = true; /* Suppress fatal error on reading a partial
record */
find_next_block ();
if (find_next_block () == 0)
short_file = true;
/* Restore global values */
read_full_records = sfr;
@@ -254,6 +256,9 @@ check_compressed_archive ()
if (memcmp (record_start->buffer, p->magic, p->length) == 0)
return p->type;
if (short_file)
ERROR ((0, 0, _("This does not look like a tar archive")));
return ct_none;
}