From b3e9218b23557f7ca787dc0b08c150ee7a0a880e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= <p@janouch.name>
Date: Fri, 7 Jul 2023 09:46:04 +0200
Subject: Fix Cygwin build warnings

---
 xB.c | 4 ++--
 xC.c | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/xB.c b/xB.c
index 3713724..6797012 100644
--- a/xB.c
+++ b/xB.c
@@ -1009,7 +1009,7 @@ is_valid_plugin_name (const char *name)
 	if (!*name)
 		return false;
 	for (const char *p = name; *p; p++)
-		if (!isgraph (*p) || *p == '/')
+		if (!isgraph ((uint8_t) *p) || *p == '/')
 			return false;
 	return true;
 }
@@ -1213,7 +1213,7 @@ parse_bot_command (const char *s, const char *command, const char **following)
 	s += command_len;
 
 	// Expect a word boundary, so that we don't respond to invalid things
-	if (isalnum (*s))
+	if (isalnum ((uint8_t) *s))
 		return false;
 
 	// Ignore any initial spaces; the rest is the command's argument
diff --git a/xC.c b/xC.c
index 20845a1..ea033e0 100644
--- a/xC.c
+++ b/xC.c
@@ -49,6 +49,7 @@ enum
 #define PROGRAM_NAME "xC"
 
 // fmemopen
+#define _POSIX_C_SOURCE 200809L
 #define _XOPEN_SOURCE 700
 
 #include "common.c"
-- 
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