More cleanups, gmqcc.h doesn't need to include stdio.h now!

[xonotic/gmqcc.git] / msvc.c

diff --git a/msvc.c b/msvc.c
index 225cd1c6d9cc5aed45a3b11b6e11de2fa41f98c2..2c6a3ed6656d28bc5d81f1983a2c00e1e6c91f85 100644 (file)
--- a/msvc.c
+++ b/msvc.c
@@ -101,6 +101,30 @@ int platform_snprintf(char *src, size_t bytes, const char *format, ...) {
     return rt;
 }
 
+/*
+ * TODO: this isn't exactly 'accurate' for MSVC but it seems to work,
+ * at least to some extent.
+ */
+int platform_vasprintf(char **dat, const char *fmt, va_list args) {
+    int   ret;
+    int   len;
+    char *tmp = NULL;
+
+    if ((len = _vscprintf(fmt, args)) < 0) {
+        *dat = NULL;
+        return -1;
+    }
+
+    tmp = (char*)mem_a(len + 1);
+    if ((ret = _vsnprintf_s(tmp, len+1, len+1, fmt, args)) != len) {
+        mem_d(tmp);
+        *dat = NULL;
+        return -1;
+    }
+    *dat = tmp;
+    return len;
+}
+
 char *platform_strcat(char *dest, const char *src) {
     strcat_s(dest, strlen(src), src);
     return dest;