Add virtual_real_chdir_file. Silly name for a useful function.

1 files changed, 20 insertions, 0 deletions

diff --git a/main/php_virtual_cwd.c b/main/php_virtual_cwd.c
index 4d09ce6750..5b2838385c 100644
--- a/main/php_virtual_cwd.c
+++ b/main/php_virtual_cwd.c
@@ -745,6 +745,26 @@ CWD_API FILE *virtual_popen(const char *command, const char *type)
 
 #endif
 
+/* taken from Apache 1.3 */
+
+CWD_API void virtual_real_chdir_file(const char *file)
+{
+    const char *x;
+    char buf[4096];
+
+    x = strrchr(file, '/');
+    if (x == NULL) {
+	chdir(file);
+    }
+    else if (x - file < sizeof(buf) - 1) {
+	memcpy(buf, file, x - file);
+	buf[x - file] = '\0';
+	chdir(buf);
+    }
+    /* XXX: well, this is a silly function, no method of reporting an
+     * error... ah well. */
+}
+
 #if 0
 
 main(void)