Replace addition with bitwise-or in composing 32-bit unsigned data

DanBloomberg · Oct 13, 2024 · 0e8ac0c · 0e8ac0c
1 parent bc257bc
commit 0e8ac0c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/bmpio.c b/src/bmpio.c
@@ -181,8 +181,8 @@ PIXCMAP   *cmap;
          * Note that the first 4 bytes give the infoheader size.
          * The infoheader pointer on sparc64 is not 32-bit aligned. */
     bmpih_b = (l_uint8 *)bmpih;
-    ihbytes = bmpih_b[0] + ((l_int32)bmpih_b[1] << 8) +
-              ((l_int32)bmpih_b[2] << 16) + ((l_uint32)bmpih_b[3] << 24);
+    ihbytes = bmpih_b[0] | ((l_int32)bmpih_b[1] << 8) |
+              ((l_int32)bmpih_b[2] << 16) | ((l_uint32)bmpih_b[3] << 24);
     width = convertOnBigEnd32(bmpih->biWidth);
     height = convertOnBigEnd32(bmpih->biHeight);
     depth = convertOnBigEnd16(bmpih->biBitCount);