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Subject[PATCH platform-next v2 01/11] lib/string_helpers: Introduce string_upper() and string_lower() helpers
Date
Provide the helpers for string conversions to upper alnd lower cases.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
---
include/linux/string_helpers.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index c28955132234..86f150c2a6b6 100644
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -2,6 +2,7 @@
#ifndef _LINUX_STRING_HELPERS_H_
#define _LINUX_STRING_HELPERS_H_

+#include <linux/ctype.h>
#include <linux/types.h>

struct file;
@@ -75,6 +76,20 @@ static inline int string_escape_str_any_np(const char *src, char *dst,
return string_escape_str(src, dst, sz, ESCAPE_ANY_NP, only);
}

+static inline void string_upper(char *dst, const char *src)
+{
+ do {
+ *dst++ = toupper(*src);
+ } while (*src++);
+}
+
+static inline void string_lower(char *dst, const char *src)
+{
+ do {
+ *dst++ = tolower(*src);
+ } while (*src++);
+}
+
char *kstrdup_quotable(const char *src, gfp_t gfp);
char *kstrdup_quotable_cmdline(struct task_struct *task, gfp_t gfp);
char *kstrdup_quotable_file(struct file *file, gfp_t gfp);
--
2.11.0
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