[Pkg-clamav-commits] [SCM] Debian repository for ClamAV branch, debian/unstable, updated. debian/0.95+dfsg-1-6156-g094ec9b
aCaB
acab at clamav.net
Sun Apr 4 01:00:08 UTC 2010
The following commit has been merged in the debian/unstable branch:
commit 91a7f81edfc0ddefa80d5b0f7fc08b724c23100b
Author: aCaB <acab at clamav.net>
Date: Thu Aug 20 17:03:34 2009 +0200
fix last_page off by one
diff --git a/libclamav/fmap.c b/libclamav/fmap.c
index 29b2409..757f9c3 100644
--- a/libclamav/fmap.c
+++ b/libclamav/fmap.c
@@ -137,7 +137,7 @@ struct F_MAP *fmap(int fd, off_t offset, size_t len) {
}
static int fmap_readpage(struct F_MAP *m, unsigned int page) {
- size_t readsz;
+ size_t readsz, got;
char *pptr;
fmap_inc_page(m, page);
@@ -149,8 +149,10 @@ static int fmap_readpage(struct F_MAP *m, unsigned int page) {
readsz = m->len % m->pgsz;
else
readsz = m->pgsz;
- if(pread(m->fd, pptr, m->pgsz, m->offset + page * m->pgsz) != readsz)
+ if((got=pread(m->fd, pptr, readsz, m->offset + page * m->pgsz)) != readsz) {
+ cli_warnmsg("pread fail: page %u pages %u map-offset %u - asked for %u bytes, got %u\n", page, m->pages, m->offset, readsz, got);
return 1;
+ }
fmap_set_paged(m, page, 1);
return 0;
}
@@ -170,7 +172,7 @@ void *fmap_need_off(struct F_MAP *m, size_t at, size_t len) {
}
first_page = fmap_which_page(m, at);
- last_page = fmap_which_page(m, at + len);
+ last_page = fmap_which_page(m, at + len - 1);
for(i=first_page; i<=last_page; i++) {
if(fmap_readpage(m, i))
@@ -198,7 +200,7 @@ void *fmap_need_str(struct F_MAP *m, void *ptr, size_t len) {
}
first_page = fmap_which_page(m, at);
- last_page = fmap_which_page(m, at + len);
+ last_page = fmap_which_page(m, at + len - 1);
for(i=first_page; i<=last_page; i++) {
char *thispage = (char *)m + m->hdrsz;
--
Debian repository for ClamAV
More information about the Pkg-clamav-commits
mailing list