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Fix line_offset not being reset in _alpm_archive_fgets()

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This is a rather serious data corruption issue that luckily manifested
itself today in a noticable way. A package in testing had replaces
entries read in as ["%RE pkgname", "%RE"] which was clearly wrong. This
happens when we hit the end of an archive block, do not have a newline,
and have to continue reading from the next block to complete the line.

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dan McGee 2011-03-21 08:52:24 -05:00
parent b0bb4f9024
commit 834ba4da93
1 changed files with 3 additions and 0 deletions
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3
lib/libalpm/util.c
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@ -740,6 +740,9 @@ int _alpm_archive_fgets(struct archive *a, struct archive_read_buffer *b)
int64_t offset; int64_t offset;
int done = 0; int done = 0;
/* ensure we start populating our line buffer at the beginning */
b->line_offset = b->line;
while(1) { while(1) {
/* have we processed this entire block? */ /* have we processed this entire block? */
if(b->block + b->block_size == b->block_offset) { if(b->block + b->block_size == b->block_offset) {