Add [v]asprintf

2 files changed, 55 insertions, 0 deletions

diff --git a/com32/lib/asprintf.c b/com32/lib/asprintf.c
new file mode 100644
index 00000000..6002b576
--- /dev/null
+++ b/com32/lib/asprintf.c
@@ -0,0 +1,30 @@
+/*
+ * asprintf.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+int asprintf(char **bufp, const char *format, ...)
+{
+  va_list ap, ap1;
+  int rv;
+  int bytes;
+  char *p;
+
+  va_start(ap, format);
+  va_copy(ap1, ap);
+
+  bytes = vsnprintf(NULL, 0, format, ap1) + 1;
+  va_end(ap1);
+
+  *bufp = p = malloc(bytes);
+  if ( !p )
+    return -1;
+  
+  rv = vsnprintf(p, bytes, format, ap);
+  va_end(ap);
+
+  return rv;
+}
diff --git a/com32/lib/vasprintf.c b/com32/lib/vasprintf.c
new file mode 100644
index 00000000..657bfdc3
--- /dev/null
+++ b/com32/lib/vasprintf.c
@@ -0,0 +1,25 @@
+/*
+ * vasprintf.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+int vasprintf(char **bufp, const char *format, va_list ap)
+{
+  va_list ap1;
+  int bytes;
+  char *p;
+
+  va_copy(ap1, ap);
+
+  bytes = vsnprintf(NULL, 0, format, ap1) + 1;
+  va_end(ap1);
+
+  *bufp = p = malloc(bytes);
+  if ( !p )
+    return -1;
+  
+  return vsnprintf(p, bytes, format, ap);
+}