avoid a possible sign-extension for offsets/sizes in SGI

[imager.git] / pnm.c

diff --git a/pnm.c b/pnm.c
index 5dfd0c8838adf758e365fe9b7b66b9d24c32e184..970994b9078366284254a79e268c1dfffd07a051 100644 (file)
--- a/pnm.c
+++ b/pnm.c
@@ -133,7 +133,7 @@ gnum(io_glue *ig, int *i) {
       return 0;
     }
     *i = work;
-    i_io_getc(ig);
+    i_io_nextc(ig);
   }
 
   return 1;
@@ -436,7 +436,6 @@ i_readpnm_wiol( io_glue *ig, int allow_incomplete) {
   i_img* im;
   int type;
   int width, height, maxval, channels;
-  int rounder;
   int c;
 
   i_clear_error();
@@ -528,7 +527,6 @@ i_readpnm_wiol( io_glue *ig, int allow_incomplete) {
       return NULL;
     }
   } else maxval=1;
-  rounder = maxval / 2;
 
   if ((c = i_io_getc(ig)) == EOF || !misspace(c)) {
     i_push_error(0, "garbage in header, invalid PNM file");