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-rw-r--r--libbb/xfuncs.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 313e328..4790aa1 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -411,6 +411,37 @@ char *xasprintf(const char *format, ...)
return string_ptr;
}
+#ifdef __dietlibc__
+int dprintf(int fd, const char *format, ...)
+{
+ va_list p;
+ int r;
+ char *string_ptr;
+
+#if 1
+ // GNU extension
+ va_start(p, format);
+ r = vasprintf(&string_ptr, format, p);
+ va_end(p);
+#else
+ // Bloat for systems that haven't got the GNU extension.
+ va_start(p, format);
+ r = vsnprintf(NULL, 0, format, p);
+ va_end(p);
+ string_ptr = xmalloc(r+1);
+ va_start(p, format);
+ r = vsnprintf(string_ptr, r+1, format, p);
+ va_end(p);
+#endif
+
+ if (r >= 0) {
+ full_write(fd, string_ptr, r);
+ free(string_ptr);
+ }
+ return r;
+}
+#endif
+
// Die with an error message if we can't copy an entire FILE * to stdout, then
// close that file.
void xprint_and_close_file(FILE *file)