From 89295504fcc3b9d76813c9de092a6ce97bb575d5 Mon Sep 17 00:00:00 2001
From: Rene Kita <mail@rkta.de>
Date: Sat, 9 Oct 2021 12:11:46 +0200
Subject: [PATCH] Suppress two warnings when compiling with tcc

While there, add some comments to better understand the code flow in
localcgi_post().
---
 local.c | 9 ++++++++-
 main.c  | 5 +++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/local.c b/local.c
index 8cae710..a0a5c40 100644
--- a/local.c
+++ b/local.c
@@ -380,17 +380,19 @@ localcgi_post(char *uri, char *qstr, FormList *request, char *referer)
     cgi_dir = mydirname(file);
 #endif
     cgi_basename = mybasename(file);
-    pid = open_pipe_rw(&fr, NULL);
+    pid = open_pipe_rw(&fr, NULL); /* open_pipe_rw() forks */
     /* Don't invoke gc after here, or the program might crash in some platforms */
     if (pid < 0) {
 	if (fw)
 	    fclose(fw);
 	return NULL;
     } else if (pid) {
+	/* parent */
 	if (fw)
 	    fclose(fw);
 	return fr;
     }
+    /* child */
     setup_child(TRUE, 2, fw ? fileno(fw) : -1);
 
     set_cgi_environ(name, file, uri);
@@ -433,4 +435,9 @@ localcgi_post(char *uri, char *qstr, FormList *request, char *referer)
 	    file, cgi_basename, strerror(errno));
     exit(1);
 #endif
+    /*
+     * Suppress compiler warning: function might return no value
+     * This code is never reached.
+     */
+    return NULL;
 }
diff --git a/main.c b/main.c
index ced6f40..49d7afe 100644
--- a/main.c
+++ b/main.c
@@ -394,6 +394,11 @@ die_oom(size_t bytes)
 {
     fprintf(stderr, "Out of memory: %lu bytes unavailable!\n", (unsigned long)bytes);
     exit(1);
+    /*
+     * Suppress compiler warning: function might return no value
+     * This code is never reached.
+     */
+    return NULL;
 }
 
 int