fix segfault, test coming shortly

diff --git a/ext/phar/phar_object.c b/ext/phar/phar_object.c
index ea8863931ee147560d04c7c54d89f05ac890230c..5bc22596476659b4000bcdd575f7dc035a74e28e 100755 (executable)
--- a/ext/phar/phar_object.c
+++ b/ext/phar/phar_object.c
@@ -445,7 +445,7 @@ PHP_METHOD(Phar, running)
  */
 PHP_METHOD(Phar, mount)
 {
-       char *fname, *arch, *entry, *path, *actual;
+       char *fname, *arch = NULL, *entry = NULL, *path, *actual;
        int fname_len, arch_len, entry_len, path_len, actual_len;
        phar_archive_data **pphar;
 
@@ -467,7 +467,9 @@ PHP_METHOD(Phar, mount)
 carry_on2:
                if (SUCCESS != zend_hash_find(&(PHAR_GLOBALS->phar_fname_map), arch, arch_len, (void **)&pphar)) {
                        zend_throw_exception_ex(phar_ce_PharException, 0 TSRMLS_CC, "%s is not a phar archive, cannot mount", arch);
-                       efree(arch);
+                       if (arch) {
+                               efree(arch);
+                       }
                        return;
                }
 carry_on:
@@ -476,13 +478,17 @@ carry_on:
                        if (path && path == entry) {
                                efree(entry);
                        }
-                       efree(arch);
+                       if (arch) {
+                               efree(arch);
+                       }
                        return;
                }
-               if (path && path == entry) {
+               if (entry && path && path == entry) {
                        efree(entry);
                }
-               efree(arch);
+               if (arch) {
+                       efree(arch);
+               }
                return;
        } else if (SUCCESS == zend_hash_find(&(PHAR_GLOBALS->phar_fname_map), fname, fname_len, (void **)&pphar)) {
                goto carry_on;