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authorgiraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>2008-05-10 19:04:54 +0000
committergiraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>2008-05-10 19:04:54 +0000
commit03b79250b42b1c7bfbfe975c61e68f8422a6caf3 (patch)
tree39d02c46d5b68be9d00e1796f6a3463f9fb43bde /generator
parent8cac00fc3fc159026bad2efa68e667415ac5ccb1 (diff)
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Release 10.35.43
git-svn-id: http://svn.code.sf.net/p/netpbm/code/stable@619 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'generator')
-rw-r--r--generator/pbmtext.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/generator/pbmtext.c b/generator/pbmtext.c
index 0614657b..a5390d4b 100644
--- a/generator/pbmtext.c
+++ b/generator/pbmtext.c
@@ -710,6 +710,11 @@ main(int argc, char *argv[]) {
                         &maxwidth, &maxleftb);
 
     cols = 2 * hmargin + maxwidth;
+
+    if (cols == 0 || rows == 0)
+        pm_error("Input is all whitespace and/or non-renderable characters.  "
+                 "No output.");
+
     bits = pbm_allocarray(cols, rows);
 
     /* Fill background with white */