1 files changed, 21 insertions, 0 deletions
diff --git a/src/launcherutil.c b/src/launcherutil.c
index e11c280..b31b2df 100644
--- a/src/launcherutil.c
+++ b/src/launcherutil.c
@@ -11,6 +11,7 @@
 #include <unistd.h>
 #include <errno.h>
 #include <sys/stat.h>
+#include <stdarg.h>
 
 /* handcoded string functions
  *
@@ -34,6 +35,26 @@ char *l2_launcher_strapp(char *buf, const char *src)
   return ret;
 }
 
+char *l2_launcher_sprintf_alloc(const char *fmt, ...)
+{
+  va_list pva;
+
+  va_start(pva, fmt);
+
+  size_t len = vsnprintf(NULL, 0, fmt, pva);
+  va_end(pva);
+
+  char *ret = calloc(len, sizeof(char));
+  if (!ret) {
+    return ret;
+  }
+
+  va_start(pva, fmt);
+  vsnprintf(ret, len, fmt, pva);
+  va_end(pva);
+  return ret;
+}
+
 char *l2_launcher_find_config_path(void)
 {
   /* check for $L2SU_CONFIG */