Reviewed-by: Michael D Kinney <michael.d.kin...@intel.com>
> -----Original Message-----
> From: Mowka, Mateusz <mateusz.mo...@intel.com>
> Sent: Wednesday, August 10, 2022 2:24 AM
> To: devel@edk2.groups.io
> Cc: rebe...@nuviainc.com; Kinney, Michael D <michael.d.kin...@intel.com>;
> Mowka, Mateusz <mateusz.mo...@intel.com>
> Subject: [PATCH v1] From: Mateusz Mówka <mateusz.mo...@intel.com> Subject:
> [edk2-libc] Add strnlen function wrapper
>
> This patch adds strnlen function wrapper that internally
> calls AsciiStrnLenS defined in BaseLib.
>
> Signed-off-by: Mateusz Mówka <mateusz.mo...@intel.com>
> ---
> 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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