This patch adds strnlen function wrapper that internally
calls AsciiStrnLenS defined in BaseLib.

Signed-off-by: Mateusz Mówka <mateusz.mowka@...>
---
StdLib/Include/string.h | 11 +++++++++++
StdLib/LibC/String/Misc.c | 14 ++++++++++++++
2 files changed, 25 insertions(+)

diff --git a/StdLib/Include/string.h b/StdLib/Include/string.h
index 0c80944..73193aa 100644
--- a/StdLib/Include/string.h
+++ b/StdLib/Include/string.h
@@ -62,6 +62,7 @@
void *memset (void *s, int c, size_t n);
char *strerror (int num);
size_t strlen (const char *);
+ size_t strnlen (const char *s, size_t n);

################ BSD Compatibility Functions
char *strdup (const char *);
@@ -454,6 +455,16 @@ char *strerror(int Num);
**/
size_t strlen(const char *S);

+/** The strnlen function computes the length of a fixed-size string.
+
+ @param[in] S Pointer to the string to determine the length of.
+ @param[in] N Length of a string including the terminating character.
+
+ @return The strnlen function returns the number of characters that
+ precede the terminating null character but not exceeding N.
+**/
+size_t strnlen(const char *S, size_t N);
+

/* ################ BSD Compatibility Functions ####################### */

diff --git a/StdLib/LibC/String/Misc.c b/StdLib/LibC/String/Misc.c
index f024136..8afffce 100644
--- a/StdLib/LibC/String/Misc.c
+++ b/StdLib/LibC/String/Misc.c
@@ -99,3 +99,17 @@ strlen(const char *s)
{
return (size_t)AsciiStrLen( s);
}
+
+/** The strnlen function computes the length of a fixed-size string.
+
+ @param[in] s Pointer to the string to determine the length of.
+ @param[in] n Length of a string including the terminating character.
+
+ @return The strnlen function returns the number of characters that
+ precede the terminating null character but not exceeding N.
+**/
+size_t
+strnlen(const char *s, size_t n)
+{
+ return (size_t)AsciiStrnLenS( s, n);
+}
--
2.34.0.windows.1

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Reviewed-by: Michael D Kinney <michael.d.kinney@...>

Hi,
I'd like to know what's the status of the review?
Mateusz