Add pg_strnlen() a portable implementation of strlen.

As the OS version is likely going to be more optimized, fall back to
it if available, as detected by configure.

1 files changed, 2 insertions, 10 deletions

diff --git a/src/port/snprintf.c b/src/port/snprintf.c
index 231e5d6bdb4..531d2c5ee35 100644
--- a/src/port/snprintf.c
+++ b/src/port/snprintf.c
@@ -43,6 +43,8 @@
 #endif
 #include <sys/param.h>
 
+#include "common/string.h"
+
 #ifndef NL_ARGMAX
 #define NL_ARGMAX 16
 #endif
@@ -790,16 +792,6 @@ bad_format:
 	target->failed = true;
 }
 
-static size_t
-pg_strnlen(const char *str, size_t maxlen)
-{
-	const char *p = str;
-
-	while (maxlen-- > 0 && *p)
-		p++;
-	return p - str;
-}
-
 static void
 fmtstr(char *value, int leftjust, int minlen, int maxwidth,
 	   int pointflag, PrintfTarget *target)