put strip_whitespace back

1 files changed, 14 insertions, 9 deletions

diff --git a/sway/stringop.c b/sway/stringop.c
index d2b74655..77faf3f1 100644
--- a/sway/stringop.c
+++ b/sway/stringop.c
@@ -11,16 +11,21 @@ const char *whitespace = " \f\n\r\t\v";
 
 /* Note: This returns 8 characters for trimmed_start per tab character. */
 char *strip_whitespace(char *_str) {
-        int ws = strspn(_str, whitespace);
-        int len = strlen(_str) - ws + 1;
-        sway_log(L_DEBUG,"%d, %d..",ws,len);
-        char *str = malloc(len);
-        strcpy(str, _str+ws);
-        free(_str);
+        if (*_str == '\0')
+                return _str;
+        char *strold = _str;
+        while (*_str == ' ' || *_str == '\t') {
+                _str++;
+        }
+        char *str = malloc(strlen(_str) + 1);
+        strcpy(str, _str);
+        free(strold);
+        int i;
+        for (i = 0; str[i] != '\0'; ++i);
         do {
-                len--;
-        } while (len >= 0 && (str[len] == ' ' || str[len] == '\t'));
-        str[len + 1] = '\0';
+                i--;
+        } while (i >= 0 && (str[i] == ' ' || str[i] == '\t')); 
+        str[i + 1] = '\0';
         return str;
 }