X-Git-Url: http://git.draconx.ca/gitweb/upkg.git/blobdiff_plain/96390064bbb73824660d22f972009e7ef7fbf6fa..007a739d8b37ab00b749e72301f09f44e1c1cdeb:/src/libupkg.c diff --git a/src/libupkg.c b/src/libupkg.c index acbf80f..6964ee2 100644 --- a/src/libupkg.c +++ b/src/libupkg.c @@ -271,7 +271,6 @@ static int pkg_init_exports(struct upkg_priv *pkg) while (index < pkg->pub.export_count) { struct upkg_export_priv *export = &pkg->exports[index]; - unsigned long parent_index; long tmp; /* Read some data into buffer. */ @@ -292,15 +291,17 @@ static int pkg_init_exports(struct upkg_priv *pkg) len += rc; if (nbuf-len < 4) goto err; - parent_index = unpack_32_le(buf+len); + tmp = unpack_s32_le(buf+len); + if (tmp < 0) + goto err; len += 4; export->pub.parent = NULL; - if (parent_index > 0) { - parent_index--; - if (parent_index >= pkg->pub.export_count) + if (tmp > 0) { + tmp--; + if (tmp >= pkg->pub.export_count) goto err; - export->pub.parent = &pkg->exports[parent_index].pub; + export->pub.parent = &pkg->exports[tmp].pub; } rc = upkg_decode_index(&tmp, buf+len, nbuf-len);