Changeset 63308

Timestamp:

Nov 30, 2014, 11:47:06 PM (10 years ago)

Author:

mmetz

Message:

libgis: optimize G_chop()

File:

• grass/trunk/lib/gis/strings.c (modified) (1 diff)

grass/trunk/lib/gis/strings.c

@@ -296 +296 @@
     }
 
-    for (t = line; *t; t++)     /* go to end */
+    for (t = f; *t; t++)        /* go from first non white-space char to end */
         ;
     while (isspace(*--t)) ;
     *++t = '\0';                /* remove trailing white-spaces */
 
-    t = line;
-    while (*f)                  /* copy */
-        *t++ = *f++;
-    *t = '\0';
+    if (f != line) {
+        t = line;
+        while (*f)              /* leading white spaces, shift */
+            *t++ = *f++;
+        *t = '\0';
+    }
 
     return (line);