diff options
Diffstat (limited to 'include/linux/string_helpers.h')
| -rw-r--r-- | include/linux/string_helpers.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index 7a22921c9db7..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> @@ -11,15 +12,27 @@ 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) #define UNESCAPE_OCTAL BIT(1) @@ -101,6 +114,8 @@ 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); |