Use pkg-config to handle library dependencies.

[libucw.git] / lib / stkstring.c

diff --git a/lib/stkstring.c b/lib/stkstring.c
index c3b77301adba1744725721b87e7deb8f7af633b8..19c3a5dd8c2e0352cb864abd9886071fc605b1f4 100644 (file)
--- a/lib/stkstring.c
+++ b/lib/stkstring.c
@@ -28,7 +28,7 @@ stk_array_join(char *x, char **s, uns cnt, uns sep)
 }
 
 uns
-stk_printf_internal(char *fmt, ...)
+stk_printf_internal(const char *fmt, ...)
 {
   uns len = 256;
   char *buf = alloca(len);
@@ -50,8 +50,30 @@ stk_printf_internal(char *fmt, ...)
     }
 }
 
+uns
+stk_vprintf_internal(const char *fmt, va_list args)
+{
+  uns len = 256;
+  char *buf = alloca(len);
+  va_list args2;
+  for (;;)
+    {
+      va_copy(args2, args);
+      int l = vsnprintf(buf, len, fmt, args2);
+      va_end(args2);
+      if (l < 0)
+       len *= 2;
+      else
+       {
+         va_end(args);
+         return l+1;
+       }
+      buf = alloca(len);
+    }
+}
+
 void
-stk_hexdump_internal(char *dst, byte *src, uns n)
+stk_hexdump_internal(char *dst, const byte *src, uns n)
 {
   for (uns i=0; i<n; i++)
     {