Added line length check.

1 files changed, 15 insertions, 0 deletions

diff --git a/ascii2map.c b/ascii2map.c
index 298f742..30a2c44 100644
--- a/ascii2map.c
+++ b/ascii2map.c
@@ -201,6 +201,8 @@ int main(int argc, char *argv[])
     char line[1024];
     int f;
     int in_map = 0;
+    size_t len = 0;
+    int warned = 0;
 
     f = 1;
 
@@ -302,6 +304,19 @@ int main(int argc, char *argv[])
         {
             char *p;
 
+            if (len == 0)
+            {
+                len = strlen(line);
+            }
+            else
+            {
+                if (!warned && len != strlen(line))
+                {
+                    fprintf(stderr, "WARNING: Lines of different length\n");
+                    warned = 1;
+                }
+            }
+
             p = line;
 
             while(*p)