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Work again without file index

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This commit is contained in:
Dave Vasilevsky 2010-10-13 22:40:11 -04:00
parent bd678c0924
commit 7fb3234f93
1 changed files with 16 additions and 9 deletions
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25
pread.c
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@ -95,17 +95,24 @@ static ssize_t tar_read(struct archive *ar, void *ref, const void **bufp) {
if (!tar_next_block())
return 0;
size_t off, size;
io_block_t *ib = (io_block_t*)(gArItem->data);
ssize_t off = gArWanted->start - ib->uoffset, size = gArWanted->size;
if (off < 0) {
size += off;
off = 0;
}
if (off + size > ib->outsize) {
size = ib->outsize - off;
gArNextItem = true; // force the end of this block
if (gWantedFiles) {
off = gArWanted->start - ib->uoffset;
size = gArWanted->size;
if (off < 0) {
size += off;
off = 0;
}
if (off + size > ib->outsize) {
size = ib->outsize - off;
gArNextItem = true; // force the end of this block
} else {
gArWanted = gArWanted->next;
}
} else {
gArWanted = gArWanted->next;
off = 0;
size = ib->outsize;
}
gArLastOffset = off;