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lib/string_helpers: Introduce kasprintf_strarray()

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We have a few users already that basically want to have array of
sequential strings to be allocated and filled.

Provide a helper for them (basically adjusted version from gpio-mockup.c).

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2021-11-05 14:42:24 +02:00
parent fa55b7dcdc
commit 418e0a3551
2 changed files with 34 additions and 0 deletions
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include/linux/string_helpers.h
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@ -100,6 +100,7 @@ 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 **kasprintf_strarray(gfp_t gfp, const char *prefix, size_t n);
void kfree_strarray(char **array, size_t n);
#endif