lib/string_helpers: Introduce string_upper() and string_lower() helpers

Provide the helpers for string conversions to upper and lower cases.

Vadim Pasternak committed 6 years ago

Commit 58eeba01 parent 19206a11 file · +15 −0Browse files

Showing the changes to include/linux (1 of 1 file). Show all

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@@ -2,6 +2,7 @@ · 1 unmodified line
2	#ifndef _LINUX_STRING_HELPERS_H_	2	#ifndef _LINUX_STRING_HELPERS_H_
3	#define _LINUX_STRING_HELPERS_H_	3	#define _LINUX_STRING_HELPERS_H_
4		4
		5	#include <linux/ctype.h>
5	#include <linux/types.h>	6	#include <linux/types.h>
6		7
7	struct file;	8	struct file;
@@ -75,6 +76,20 @@ static inline int string_escape_str_any_np(const char src, char dst, · 67 unmodified lines
75	return string_escape_str(src, dst, sz, ESCAPE_ANY_NP, only);	76	return string_escape_str(src, dst, sz, ESCAPE_ANY_NP, only);
76	}	77	}
77		78
		79	static inline void string_upper(char dst, const char src)
		80	{
		81	do {
		82	dst++ = toupper(src);
		83	} while (*src++);
		84	}
		85
		86	static inline void string_lower(char dst, const char src)
		87	{
		88	do {
		89	dst++ = tolower(src);
		90	} while (*src++);
		91	}
		92
78	char kstrdup_quotable(const char src, gfp_t gfp);	93	char kstrdup_quotable(const char src, gfp_t gfp);
79	char kstrdup_quotable_cmdline(struct task_struct task, gfp_t gfp);	94	char kstrdup_quotable_cmdline(struct task_struct task, gfp_t gfp);
80	char kstrdup_quotable_file(struct file file, gfp_t gfp);	95	char kstrdup_quotable_file(struct file file, gfp_t gfp);

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