allow to change the temporary directory on Unix

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/os.c b/lib/os.c
index 46da1ecc..84c51b5c 100755
--- a/lib/os.c
+++ b/lib/os.c
@@ -187,7 +187,8 @@ static char* getTempDir()
     if(!dir) dir = getenv("temp");
     if(!dir) dir = "C:\\";
 #else
-    char* dir = "/tmp/";
+    char*dir = getenv("SWFTOOLS_TMP");
+    if(!dir) dir = "/tmp/";
 #endif
     return dir;
 }