^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/lib/cmdline.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Helper functions generally used for parsing kernel command line
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * and module options.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Code and copyrights come from init/main.c and arch/i386/kernel/setup.c.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * GNU Indent formatting options for this file: -kr -i8 -npsl -pcs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * If a hyphen was found in get_option, this will handle the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * range of numbers, M-N. This will expand the range and insert
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * the values[M, M+1, ..., N] into the ints array in get_options.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static int get_range(char **str, int *pint, int n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) int x, inc_counter, upper_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) (*str)++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) upper_range = simple_strtol((*str), NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) inc_counter = upper_range - *pint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) for (x = *pint; n && x < upper_range; x++, n--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) *pint++ = x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return inc_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * get_option - Parse integer from an option string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * @str: option string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * @pint: (output) integer value parsed from @str
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * Read an int from an option string; if available accept a subsequent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * comma as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * Return values:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * 0 - no int in string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * 1 - int found, no subsequent comma
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * 2 - int found including a subsequent comma
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * 3 - hyphen found to denote a range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int get_option(char **str, int *pint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) char *cur = *str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (!cur || !(*cur))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) *pint = simple_strtol(cur, str, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) if (cur == *str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (**str == ',') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) (*str)++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) return 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) if (**str == '-')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) EXPORT_SYMBOL(get_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * get_options - Parse a string into a list of integers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * @str: String to be parsed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * @nints: size of integer array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * @ints: integer array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * This function parses a string containing a comma-separated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * list of integers, a hyphen-separated range of _positive_ integers,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * or a combination of both. The parse halts when the array is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * full, or when no more numbers can be retrieved from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * string.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * Return value is the character in the string which caused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * the parse to end (typically a null terminator, if @str is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * completely parseable).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) char *get_options(const char *str, int nints, int *ints)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int res, i = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) while (i < nints) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) res = get_option((char **)&str, ints + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (res == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) if (res == 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) int range_nums;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) range_nums = get_range((char **)&str, ints + i, nints - i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (range_nums < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * Decrement the result by one to leave out the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * last number in the range. The next iteration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * will handle the upper number in the range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) i += (range_nums - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (res == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) ints[0] = i - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return (char *)str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) EXPORT_SYMBOL(get_options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * memparse - parse a string with mem suffixes into a number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) * @ptr: Where parse begins
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * @retptr: (output) Optional pointer to next char after parse completes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * Parses a string into a number. The number stored at @ptr is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * potentially suffixed with K, M, G, T, P, E.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) unsigned long long memparse(const char *ptr, char **retptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) char *endptr; /* local pointer to end of parsed string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) unsigned long long ret = simple_strtoull(ptr, &endptr, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) switch (*endptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) case 'E':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) case 'e':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) ret <<= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) /* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) case 'P':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) case 'p':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) ret <<= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) /* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) case 'T':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) case 't':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) ret <<= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) case 'G':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) case 'g':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) ret <<= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) case 'M':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) case 'm':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) ret <<= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) /* fall through */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) case 'K':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) case 'k':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) ret <<= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) endptr++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (retptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) *retptr = endptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) EXPORT_SYMBOL(memparse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * parse_option_str - Parse a string and check an option is set or not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * @str: String to be parsed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * @option: option name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * This function parses a string containing a comma-separated list of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) * strings like a=b,c.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) * Return true if there's such option in the string, or return false.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) bool parse_option_str(const char *str, const char *option)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) while (*str) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (!strncmp(str, option, strlen(option))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) str += strlen(option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (!*str || *str == ',')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) while (*str && *str != ',')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) str++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (*str == ',')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) str++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * Parse a string to get a param value pair.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * You can use " around spaces, but can't escape ".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) * Hyphens and underscores equivalent in parameter names.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) char *next_arg(char *args, char **param, char **val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) unsigned int i, equals = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) int in_quote = 0, quoted = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) char *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (*args == '"') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) args++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) in_quote = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) quoted = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) for (i = 0; args[i]; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (isspace(args[i]) && !in_quote)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (equals == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (args[i] == '=')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) equals = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (args[i] == '"')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) in_quote = !in_quote;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) *param = args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (!equals)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) *val = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) args[equals] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) *val = args + equals + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) /* Don't include quotes in value. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) if (**val == '"') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) (*val)++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (args[i-1] == '"')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) args[i-1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (quoted && args[i-1] == '"')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) args[i-1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (args[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) args[i] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) next = args + i + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) next = args + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) /* Chew up trailing spaces. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return skip_spaces(next);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }