246 static int escape_passthrough(unsigned char c, char **dst, size_t *osz)  in escape_passthrough()  argument
253 	*out++ = c;  in escape_passthrough()
261 static int escape_space(unsigned char c, char **dst, size_t *osz)  in escape_space()  argument
269 	switch (c) {  in escape_space()
298 static int escape_special(unsigned char c, char **dst, size_t *osz)  in escape_special()  argument
306 	switch (c) {  in escape_special()
329 static int escape_null(unsigned char c, char **dst, size_t *osz)  in escape_null()  argument
336 	if (c)  in escape_null()
348 static int escape_octal(unsigned char c, char **dst, size_t *osz)  in escape_octal()  argument
356 	*out++ = ((c >> 6) & 0x07) + '0';  in escape_octal()
357 	*out++ = ((c >> 3) & 0x07) + '0';  in escape_octal()
358 	*out++ = ((c >> 0) & 0x07) + '0';  in escape_octal()
366 static int escape_hex(unsigned char c, char **dst, size_t *osz)  in escape_hex()  argument
375 	*out++ = hex_asc_hi(c);  in escape_hex()
376 	*out++ = hex_asc_lo(c);  in escape_hex()
448 		unsigned char c = *src++;  in string_escape_mem()  local
461 		if ((flags & ESCAPE_NP && isprint(c)) ||  in string_escape_mem()
462 		    (is_dict && !strchr(esc, c))) {  in string_escape_mem()
466 				ret = escape_space(c, &p, &osz);  in string_escape_mem()
474 				ret = escape_special(c, &p, &osz);  in string_escape_mem()
482 				ret = escape_null(c, &p, &osz);  in string_escape_mem()
491 				ret = escape_octal(c, &p, &osz);  in string_escape_mem()
497 				ret = escape_hex(c, &p, &osz);  in string_escape_mem()
504 		ret = escape_passthrough(c, &p, &osz);  in string_escape_mem()