From ccc018887c443bf06482632d41798ec914a1df53 Mon Sep 17 00:00:00 2001
From: Markus Uhlin <markus@nifty-networks.net>
Date: Sun, 22 Mar 2026 22:15:46 +0100
Subject: Added fprintf_logerr() and defined mfprintf()

---
 FICS/maxxes-utils.c | 25 +++++++++++++++++++++++++
 FICS/maxxes-utils.h |  5 +++++
 2 files changed, 30 insertions(+)

diff --git a/FICS/maxxes-utils.c b/FICS/maxxes-utils.c
index 987be47..344a4fb 100644
--- a/FICS/maxxes-utils.c
+++ b/FICS/maxxes-utils.c
@@ -12,6 +12,31 @@
 
 #include "maxxes-utils.h"
 
+void
+fprintf_logerr(const char *file, const long int line,
+    FILE *fp, const char *format, ...)
+{
+	int	ret;
+	va_list	ap;
+
+	if (fp == NULL) {
+		warnx("%s:%ld: error: invalid argument (null pointer)",
+		    file, line);
+		return;
+	} else if (fp == stdin || fp == stdout || fp == stderr) {
+		warnx("%s:%ld: error: invalid stream (stdin, stdout or stderr)",
+		    file, line);
+		return;
+	}
+
+	va_start(ap, format);
+	ret = vfprintf(fp, format, ap);
+	va_end(ap);
+
+	if (ret < 0)
+		warnx("%s:%ld: warning: vfprintf() error", file, line);
+}
+
 bool
 is_too_long(const int p_ret, const size_t p_maxlen)
 {
diff --git a/FICS/maxxes-utils.h b/FICS/maxxes-utils.h
index 2e2c723..75380e8 100644
--- a/FICS/maxxes-utils.h
+++ b/FICS/maxxes-utils.h
@@ -6,6 +6,8 @@
 
 #include "common.h"
 
+#define mfprintf(p_fp, ...) \
+	fprintf_logerr(__FILE__, __LINE__, (p_fp), __VA_ARGS__)
 #define msnprintf(p_str, p_size, ...) \
 	snprintf_trunc_chk(__FILE__, __LINE__, (p_str), (p_size), __VA_ARGS__)
 #define mstrlcpy(p_dst, p_src, p_dstsize) \
@@ -14,6 +16,9 @@
 	strlcat_trunc_chk((p_dst), (p_src), (p_dstsize), __FILE__, __LINE__)
 
 __FICS_BEGIN_DECLS
+void	fprintf_logerr(const char *file, const long int line,
+	    FILE *, const char *format, ...) PRINTFLIKE(4);
+
 bool	is_too_long(const int, const size_t);
 
 void	snprintf_trunc_chk(const char *file, const long int line,
-- 
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