From: David Turner Date: Wed, 25 Feb 2015 18:22:06 GMT Subject: Re: [PATCH 1/2] sha1_file: Add sha1_object_type_literally and export it. Message-ID: <1424888526.2968.3.camel@leckie> In-Reply-To: <1424862460-13514-1-git-send-email-karthik.188@gmail.com> On Wed, 2015-02-25 at 16:37 +0530, Karthik Nayak wrote: > + unsigned long mapsize; > ... > + map = map_sha1_file(sha1, &mapsize); I know this is a pre-existing issue, but I'm not sure "unsigned long" is the right type here. Shouldn't it be a size_t? > + if (!map) > + return -1; > + if (unpack_sha1_header(&stream, map, mapsize, hdr, sizeof(hdr)) < 0) > + status = error("unable to unpack %s header", > + sha1_to_hex(sha1)); > + > + for (i = 0; i < 32; i++) { This number should probably be a constant. > + if (hdr[i] == ' ') { > + type[i] = '\0'; > + break; > + } > + type[i] = hdr[i]; > + } type might end up without a trailing \0 here in the case where hdr has no space in it. Is this possible?