added declaration and initialization of sections

[libucw.git] / lib / mempool-fmt.c

diff --git a/lib/mempool-fmt.c b/lib/mempool-fmt.c
index 47bb71eb4a61c67eb8be7495a93b1fe3f578ef54..b65789f54da6dcafd51b04f34f32b4bd595c28cb 100644 (file)
--- a/lib/mempool-fmt.c
+++ b/lib/mempool-fmt.c
@@ -24,7 +24,10 @@ mp_vprintf(struct mempool *p, char *fmt, va_list args)
       ret = mp_alloc(p, 1);
       free = p->last - p->free;
     }
-  int cnt = vsnprintf(ret, free, fmt, args);
+  va_list args2;
+  va_copy(args2, args);
+  int cnt = vsnprintf(ret, free, fmt, args2);
+  va_end(args2);
   if (cnt < 0)
     {
       /* Our C library doesn't support C99 return value of vsnprintf, so we need to iterate */
@@ -34,7 +37,9 @@ mp_vprintf(struct mempool *p, char *fmt, va_list args)
        {
          len *= 2;
          buf = alloca(len);
-         cnt = vsnprintf(buf, len, fmt, args);
+         va_copy(args2, args);
+         cnt = vsnprintf(buf, len, fmt, args2);
+         va_end(args2);
        }
       while (cnt < 0);
       ret = mp_alloc(p, cnt+1);
@@ -45,7 +50,9 @@ mp_vprintf(struct mempool *p, char *fmt, va_list args)
   else
     {
       ret = mp_alloc(p, cnt+1);
-      int cnt2 = vsnprintf(ret, cnt+1, fmt, args);
+      va_copy(args2, args);
+      int cnt2 = vsnprintf(ret, cnt+1, fmt, args2);
+      va_end(args2);
       ASSERT(cnt2 == cnt);
     }
   return ret;
@@ -66,9 +73,9 @@ mp_printf(struct mempool *p, char *fmt, ...)
 int main(void)
 {
   struct mempool *mp = mp_new(64);
-  char *x = mp_printf(mp, "Hello, %s!\n", "World");
+  char *x = mp_printf(mp, "<Hello, %s!>", "World");
   fputs(x, stdout);
-  x = mp_printf(mp, "Hello, %100s!\n", "World");
+  x = mp_printf(mp, "<Hello, %50s!>\n", "World");
   fputs(x, stdout);
   return 0;
 }