/** * argv_free - free an argv * @argv: the argument vector to be freed * * Frees an argv and the strings it points to.
*/ void argv_free(char **argv)
{
argv--;
kfree(argv[0]);
kfree(argv);
}
EXPORT_SYMBOL(argv_free);
/** * argv_split - split a string at whitespace, returning an argv * @gfp: the GFP mask used to allocate memory * @str: the string to be split * @argcp: returned argument count * * Returns: an array of pointers to strings which are split out from * @str. This is performed by strictly splitting on white-space; no * quote processing is performed. Multiple whitespace characters are * considered to be a single argument separator. The returned array * is always NULL-terminated. Returns NULL on memory allocation * failure. * * The source string at `str' may be undergoing concurrent alteration via * userspace sysctl activity (at least). The argv_split() implementation * attempts to handle this gracefully by taking a local copy to work on.
*/ char **argv_split(gfp_t gfp, constchar *str, int *argcp)
{ char *argv_str; bool was_space; char **argv, **argv_ret; int argc;
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