1 files changed, 8 insertions, 3 deletions

diff --git a/cache.c b/cache.c
index 7cdea9b..372e38d 100644
--- a/cache.c
+++ b/cache.c
@@ -14,6 +14,11 @@ char *cache_safe_filename(const char *unsafe)
 {
-	static char buf[PATH_MAX];
-	char *s = buf;
+	static char buf[4][PATH_MAX];
+	static int bufidx;
+	char *s;
 	char c;
 
+	bufidx++;
+	bufidx &= 3;
+	s = buf[bufidx];
+
 	while(unsafe && (c = *unsafe++) != 0) {
@@ -25,3 +30,3 @@ char *cache_safe_filename(const char *unsafe)
 	*s = '\0';
-	return buf;
+	return buf[bufidx];
 }