win32: fdprintf: fix up EDIT

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/libbb/platform.c b/libbb/platform.c
index 17ad3f75a..8642337d4 100644
--- a/libbb/platform.c
+++ b/libbb/platform.c
@@ -51,8 +51,21 @@ int fdprintf(int fd, const char *format, ...)
         char *string_ptr;
 
         va_start(p, format);
-        r = vasprintf(&string_ptr, format, p);
+        if (ENABLE_PLATFORM_MINGW32) {
+                string_ptr = xmalloc(1024);
+                r = vsnprintf(string_ptr, 1024, format, p);
+        }
+        else
+                r = vasprintf(&string_ptr, format, p);
         va_end(p);
+        if (ENABLE_PLATFORM_MINGW32 && r > 0) {
+                free(string_ptr);
+                r += 2;
+                string_ptr = xmalloc(r);
+                va_start(p, format);
+                r = vsnprintf(string_ptr, r, format, p);
+                va_end(p);
+        }
         if (r >= 0) {
                 r = full_write(fd, string_ptr, r);
                 free(string_ptr);