From f4e8e1414ba1618a1ce602a308db9e315059acaa Mon Sep 17 00:00:00 2001
From: Kim Woelders <kim@woelders.dk>
Date: Mon, 17 Jan 2022 06:41:40 +0100
Subject: PNM loader: Fix P1 when spaces are omitted

---
 src/modules/loaders/loader_pnm.c | 35 ++++++++++++++++++++++++++++-------
 1 file changed, 28 insertions(+), 7 deletions(-)

diff --git a/src/modules/loaders/loader_pnm.c b/src/modules/loaders/loader_pnm.c
index 93a5eaa..646f341 100644
--- a/src/modules/loaders/loader_pnm.c
+++ b/src/modules/loaders/loader_pnm.c
@@ -40,6 +40,31 @@ mm_getc(void)
    return ch;
 }
 
+static int
+mm_get01(void)
+{
+   int                 ch;
+
+   for (;;)
+     {
+        ch = mm_getc();
+        switch (ch)
+          {
+          case '0':
+             return 0;
+          case '1':
+             return 1;
+          case ' ':
+          case '\t':
+          case '\r':
+          case '\n':
+             continue;
+          default:
+             return -1;
+          }
+     }
+}
+
 static int
 mm_getu(unsigned int *pui)
 {
@@ -187,15 +212,11 @@ load2(ImlibImage * im, int load_data)
           {
              for (x = 0; x < w; x++)
                {
-                  if (mm_getu(&gval))
+                  i = mm_get01();
+                  if (i < 0)
                      goto quit;
 
-                  if (gval == 1)
-                     *ptr2++ = 0xff000000;
-                  else if (gval == 0)
-                     *ptr2++ = 0xffffffff;
-                  else
-                     goto quit;
+                  *ptr2++ = i ? 0xff000000 : 0xffffffff;
                }
 
              if (im->lc && __imlib_LoadProgressRows(im, y, 1))
-- 
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