gistfile1.txt

Index: Zend/zend_API.c
===================================================================
--- Zend/zend_API.c	(revision 316345)
+++ Zend/zend_API.c	(working copy)
@@ -442,7 +442,35 @@
 						if (c == 'p') {
 							/* do not allow trailing space (or single, */
 							if (Z_STRVAL_PP(arg)[0] == ' ' || Z_STRVAL_PP(arg)[Z_STRLEN_PP(arg) - 1] == ' ') {
-								return "a valid path";
+								register int x = 0, y = 0, cur;
+								const int arg_len = Z_STRLEN_PP(arg);
+								const int arg_last =  Z_STRLEN_PP(arg);
+								int trailing = 1;
+								char *esc;
+								char *str = Z_STRVAL_PP(arg);
+								size_t estimate = (2 * arg_len) + 1;
+
+								esc = safe_emalloc(2, arg_len, 1);
+								for (x = 0, y = 0; x < arg_len; x++) {
+									if (str[x] == ' ') {
+										esc[y++] = '^';
+										esc[y++]   = ' ';
+									} else {
+										break;
+									}
+								}
+
+								cur = arg_last;
+								while (str[--cur] == ' ');
+
+								memcpy(esc + y, str + x, cur - x + 1);
+								y += cur - x + 1;
+								for (x = cur - 1; x < arg_len; x++) {
+										esc[y++] = '^';
+										esc[y++]   = ' ';
+								}
+								esc[y] = '\0';
+
 							}
 						}
 #endif