Re: [PATCH v4 1/2] mm: add kstrimdup function

On Wed 2014-01-29 15:48:23, Sebastian Capella wrote:

kstrimdup will duplicate and trim spaces from the passed in null terminated string. This is useful for strings coming from sysfs that often include trailing whitespace due to user input.

Is it good idea? I mean "\n\n/foo bar baz" is valid filename in unix. This is kernel interface, it is not meant to be too user friendly... Pavel

+char *kstrimdup(const char *s, gfp_t gfp) +{

• char *ret = kstrdup(skip_spaces(s), gfp);
• if (ret)

• strim(ret);
  

• return ret;

+} +EXPORT_SYMBOL(kstrimdup);

+/**

• kmemdup - duplicate region of memory
• @src: memory region to duplicate