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-rw-r--r--include/linux/string_helpers.h46
1 files changed, 17 insertions, 29 deletions
diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index 8530c7328269..3fb88a1e9898 100644
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -4,6 +4,7 @@
#include <linux/bits.h>
#include <linux/ctype.h>
+#include <linux/string_choices.h>
#include <linux/string.h>
#include <linux/types.h>
@@ -11,16 +12,26 @@ struct device;
struct file;
struct task_struct;
-/* Descriptions of the types of units to
- * print in */
+static inline bool string_is_terminated(const char *s, int len)
+{
+ return memchr(s, '\0', len) ? true : false;
+}
+
+/* Descriptions of the types of units to print in */
enum string_size_units {
STRING_UNITS_10, /* use powers of 10^3 (standard SI) */
STRING_UNITS_2, /* use binary powers of 2^10 */
+ STRING_UNITS_MASK = BIT(0),
+
+ /* Modifiers */
+ STRING_UNITS_NO_SPACE = BIT(30),
+ STRING_UNITS_NO_BYTES = BIT(31),
};
-void string_get_size(u64 size, u64 blk_size, enum string_size_units units,
- char *buf, int len);
+int string_get_size(u64 size, u64 blk_size, const enum string_size_units units,
+ char *buf, int len);
+int parse_int_array(const char *buf, size_t count, int **array);
int parse_int_array_user(const char __user *from, size_t count, int **array);
#define UNESCAPE_SPACE BIT(0)
@@ -103,34 +114,11 @@ 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);
+char *kstrdup_and_replace(const char *src, char old, char new, gfp_t gfp);
+
char **kasprintf_strarray(gfp_t gfp, const char *prefix, size_t n);
void kfree_strarray(char **array, size_t n);
char **devm_kasprintf_strarray(struct device *dev, const char *prefix, size_t n);
-static inline const char *str_yes_no(bool v)
-{
- return v ? "yes" : "no";
-}
-
-static inline const char *str_on_off(bool v)
-{
- return v ? "on" : "off";
-}
-
-static inline const char *str_enable_disable(bool v)
-{
- return v ? "enable" : "disable";
-}
-
-static inline const char *str_enabled_disabled(bool v)
-{
- return v ? "enabled" : "disabled";
-}
-
-static inline const char *str_read_write(bool v)
-{
- return v ? "read" : "write";
-}
-
#endif