Re: [PATCH v2 1/5] strbuf: add xstrdup_toupper()

> From: Lars Schneider <larsxschneider@gmail.com>
> 
> Create a copy of an existing string and make all characters upper case.
> Similar xstrdup_tolower().
> 
> This function is used in a subsequent commit.
> 
> Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
> ---
>  strbuf.c | 13 +++++++++++++
>  strbuf.h |  1 +
>  2 files changed, 14 insertions(+)
> 
> diff --git a/strbuf.c b/strbuf.c
> index 323c49ceb3..54276e96e7 100644
> --- a/strbuf.c
> +++ b/strbuf.c
> @@ -760,6 +760,19 @@ char *xstrdup_tolower(const char *string)
>  	return result;
>  }
>  
> +char *xstrdup_toupper(const char *string)
> +{
> +	char *result;
> +	size_t len, i;
> +
> +	len = strlen(string);
> +	result = xmallocz(len);
> +	for (i = 0; i < len; i++)
> +		result[i] = toupper(string[i]);
> +	result[i] = '\0';

> +	return result;
> +}
> +
>  char *xstrvfmt(const char *fmt, va_list ap)
>  {
>  	struct strbuf buf = STRBUF_INIT;
> diff --git a/strbuf.h b/strbuf.h
> index 0a74acb236..2bc148526f 100644
> --- a/strbuf.h
> +++ b/strbuf.h
> @@ -616,6 +616,7 @@ __attribute__((format (printf,2,3)))
>  extern int fprintf_ln(FILE *fp, const char *fmt, ...);
>  
>  char *xstrdup_tolower(const char *);
> +char *xstrdup_toupper(const char *);
>  
>  /**
>   * Create a newly allocated string using printf format. You can do this easily
> -- 
> 2.15.1
>