http-parser.c

commit 1bf7e72b573aaf8355a5037577b832ad839f5eec
parent c76974f3f16f063f554a5bed0f734933029c6c3e
Author: finwo <finwo@pm.me>
Date:   Tue, 24 Oct 2023 00:12:16 +0200

Added polyfill for asprintf when _GNU_SOURCE is not defined

Diffstat:
M
src/http-parser.c
 | 
14
++++++++++++++

1 file changed, 14 insertions(+), 0 deletions(-)
diff --git a/src/http-parser.c b/src/http-parser.c
@@ -2,6 +2,7 @@
 extern "C" {
 #endif
 
+#include <stdarg.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -48,6 +49,19 @@ int xtoi(char *str) {
   return sign * i;
 }
 
+#ifndef _GNU_SOURCE
+// Polyfill asprintf, comes from stdio when _GNU_SOURCE is defined
+char * asprintf(char **restrict strp, const char *restrict fmt, ...) {
+  va_list argptr;
+  va_start(argptr, fmt);
+  int size = vsnprintf(NULL, 0, fmt, argptr);
+  char *output = calloc(1, size + 1);
+  vsnprintf(output, size + 1, fmt, argptr);
+  va_end(argptr);
+  return output;
+}
+#endif
+
 /**
  * Frees everything in a header that was malloc'd by http-parser
  */