Commit c5611b26 authored by Daniel Verkamp's avatar Daniel Verkamp
Browse files

lib/util: add spdk_strlwr() 



Add function to convert string to lowercase in place.

Originally based on code imported from istgt.

Change-Id: Ica9fe2208e6ee09b22c9a652a33c5affe5be23cc
Signed-off-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
parent 87d3dd87

include/spdk/string.h

+7 −0
Original line number Diff line number Diff line
@@ -47,6 +47,13 @@ extern "C" { 
 */

char *spdk_sprintf_alloc(const char *format, ...) __attribute__((format(printf, 1, 2)));



/**

 * Convert string to lowercase in place.

 *

 * \param s String to convert to lowercase.

 */

char *spdk_strlwr(char *s);



#ifdef __cplusplus

}

#endif

lib/util/string.c

+20 −0
Original line number Diff line number Diff line 
/*-

 *   BSD LICENSE

 *

 *   Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.

 *   Copyright (c) Intel Corporation.

 *   All rights reserved.

 *
@@ -34,6 +35,7 @@ 
#include <stdarg.h>

#include <stdio.h>

#include <stdlib.h>

#include <ctype.h>



#include "spdk/string.h"
@@ -80,3 +82,21 @@ spdk_sprintf_alloc(const char *format, ...) 


	return NULL;

}



char *

spdk_strlwr(char *s)

{

	char *p;



	if (s == NULL) {

		return NULL;

	}



	p = s;

	while (*p != '\0') {

		*p = tolower(*p);

		p++;

	}



	return s;

}