struct map_struct *buf;
int fd;
OFF_T len = size;
- char tmpchunk[CSUM_CHUNK];
struct mdfour m;
memset(sum,0,MD4_SUM_LENGTH);
mdfour_begin(&m);
for(i = 0; i + CSUM_CHUNK <= len; i += CSUM_CHUNK) {
- memcpy(tmpchunk, map_ptr(buf,i,CSUM_CHUNK), CSUM_CHUNK);
- mdfour_update(&m, (uchar *)tmpchunk, CSUM_CHUNK);
+ mdfour_update(&m, (uchar *)map_ptr(buf, i, CSUM_CHUNK),
+ CSUM_CHUNK);
}
- /*
- * Prior to version 27 an incorrect MD4 checksum was computed
+ /* Prior to version 27 an incorrect MD4 checksum was computed
* by failing to call mdfour_tail() for block sizes that
* are multiples of 64. This is fixed by calling mdfour_update()
- * even when there are no more bytes.
- */
- if (len - i > 0) {
- memcpy(tmpchunk, map_ptr(buf,i,len-i), len-i);
- }
- if (len - i > 0 || protocol_version >= 27) {
- mdfour_update(&m, (uchar *)tmpchunk, (len-i));
- }
+ * even when there are no more bytes. */
+ if (len - i > 0 || protocol_version >= 27)
+ mdfour_update(&m, (uchar *)map_ptr(buf, i, len-i), len-i);
mdfour_result(&m, (uchar *)sum);