Bug#354891: netpbm: White-space not ignored between images

[Shaun Jackman]

This updated patch adds supports for comments between images as well
as white-space.

Cheers,
Shaun

--- netpbm-free-10.0.orig/pbm/libpm.c
+++ netpbm-free-10.0/pbm/libpm.c
@@ -20,6 +20,7 @@
 #include "shhopt.h"
 #include "pm.h"

+#include <ctype.h>
 #include <stdarg.h>
 #include <string.h>
 #include <errno.h>
@@ -829,8 +830,14 @@
 pm_nextimage(FILE * const file, int * const eofP) {

     int c;
-
-    c = getc(file);
+    do {
+        c = getc(file);
+        if (c == '#') {
+            do {
+                c = getc(file);
+            } while (c != '\n' && c != '\r' && c != EOF);
+        }
+    } while (isspace(c));
     if (c == EOF) {
         if (feof(file))
             *eofP = TRUE;