133 static bool unescape_space(char **src, char **dst)  in unescape_space()  argument
135 	char *p = *dst, *q = *src;  in unescape_space()
157 	*src += 1;  in unescape_space()
161 static bool unescape_octal(char **src, char **dst)  in unescape_octal()  argument
163 	char *p = *dst, *q = *src;  in unescape_octal()
170 	while (num < 32 && isodigit(*q) && (q - *src < 3)) {  in unescape_octal()
176 	*src = q;  in unescape_octal()
180 static bool unescape_hex(char **src, char **dst)  in unescape_hex()  argument
182 	char *p = *dst, *q = *src;  in unescape_hex()
200 	*src = q;  in unescape_hex()
204 static bool unescape_special(char **src, char **dst)  in unescape_special()  argument
206 	char *p = *dst, *q = *src;  in unescape_special()
225 	*src += 1;  in unescape_special()
268 int string_unescape(char *src, char *dst, size_t size, unsigned int flags)  in string_unescape()  argument
272 	while (*src && --size) {  in string_unescape()
273 		if (src[0] == '\\' && src[1] != '\0' && size > 1) {  in string_unescape()
274 			src++;  in string_unescape()
278 					unescape_space(&src, &out))  in string_unescape()
282 					unescape_octal(&src, &out))  in string_unescape()
286 					unescape_hex(&src, &out))  in string_unescape()
290 					unescape_special(&src, &out))  in string_unescape()
295 		*out++ = *src++;  in string_unescape()
497 int string_escape_mem(const char *src, size_t isz, char *dst, size_t osz,  in string_escape_mem()  argument
505 		unsigned char c = *src++;  in string_escape_mem()
546 int string_escape_mem_ascii(const char *src, size_t isz, char *dst,  in string_escape_mem_ascii()  argument
553 		unsigned char c = *src++;  in string_escape_mem_ascii()
569 char *kstrdup_quotable(const char *src, gfp_t gfp)  in kstrdup_quotable()  argument
576 	if (!src)  in kstrdup_quotable()
578 	slen = strlen(src);  in kstrdup_quotable()
580 	dlen = string_escape_mem(src, slen, NULL, 0, flags, esc);  in kstrdup_quotable()
585 	WARN_ON(string_escape_mem(src, slen, dst, dlen, flags, esc) != dlen);  in kstrdup_quotable()