From a82e91b7dbb30ccd45e280a8ec922b5efbf26d14 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Mon, 18 Feb 2008 15:58:01 -0800
Subject: [PATCH] Actually implement strnlen()

Actually implement strnlen(), which was in the header files but not in
the library.
---
 com32/lib/Makefile  |  1 +
 com32/lib/strnlen.c | 13 +++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 com32/lib/strnlen.c

diff --git a/com32/lib/Makefile b/com32/lib/Makefile
index def1729..d8fb30d 100644
--- a/com32/lib/Makefile
+++ b/com32/lib/Makefile
@@ -12,6 +12,7 @@ LIBOBJS = \
 	perror.o printf.o puts.o qsort.o realloc.o seed48.o snprintf.o	\
 	sprintf.o srand48.o sscanf.o stack.o strcasecmp.o strcat.o	\
 	strchr.o strcmp.o strcpy.o strdup.o strerror.o strlen.o		\
+	strnlen.o							\
 	strncasecmp.o strncat.o strncmp.o strncpy.o stpncpy.o strndup.o	\
 	strntoimax.o strntoumax.o strrchr.o strsep.o strspn.o strstr.o	\
 	strtoimax.o strtok.o strtol.o strtoll.o strtoul.o strtoull.o	\
diff --git a/com32/lib/strnlen.c b/com32/lib/strnlen.c
new file mode 100644
index 0000000..d073561
--- /dev/null
+++ b/com32/lib/strnlen.c
@@ -0,0 +1,13 @@
+/*
+ * strnlen()
+ */
+
+#include <string.h>
+
+size_t strnlen(const char *s, size_t n)
+{
+  const char *ss = s;
+  while ( n-- && *ss )
+    ss++;
+  return ss-s;
+}
-- 
2.7.4