validate dimension inputs

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@509 9d0c8265-081b-0410-96cb-a4ca84ce46f8

1 files changed, 2 insertions, 8 deletions

diff --git a/generator/pgmmake.c b/generator/pgmmake.c
index 42d96581..bc7f025c 100644
--- a/generator/pgmmake.c
+++ b/generator/pgmmake.c
@@ -70,14 +70,8 @@ parseCommandLine(int argc, char ** argv,
             pm_error("Gray level must be in the range [0.0, 1.0].  "
                      "You specified %f", grayLevel);
         cmdlineP->grayLevel = ROUNDU(grayLevel * cmdlineP->maxval);
-        cmdlineP->cols = atoi(argv[2]);
-        cmdlineP->rows = atoi(argv[3]);
-        if (cmdlineP->cols <= 0)
-            pm_error("width argument must be a positive number.  You "
-                     "specified '%s'", argv[2]);
-        if (cmdlineP->rows <= 0)
-            pm_error("height argument must be a positive number.  You "
-                     "specified '%s'", argv[3]);
+        cmdlineP->cols = pm_parse_width(argv[2]);
+        cmdlineP->rows = pm_parse_height(argv[3]);
     }
 }