2 * This file contains the ini and command liner parser main.
12 #include "compiler/compiler.h"
19 #include "lib/ieee754.h"
22 #ifdef CONFIG_ARITHMETIC
26 static const char *opt_type_names[] = {
42 "OPT_SOFT_DEPRECATED",
46 static const struct fio_option *__fio_options;
48 static int vp_cmp(const void *p1, const void *p2)
50 const struct value_pair *vp1 = p1;
51 const struct value_pair *vp2 = p2;
53 return strlen(vp2->ival) - strlen(vp1->ival);
56 static void posval_sort(const struct fio_option *o, struct value_pair *vpmap)
58 const struct value_pair *vp;
61 memset(vpmap, 0, PARSE_MAX_VP * sizeof(struct value_pair));
63 for (entries = 0; entries < PARSE_MAX_VP; entries++) {
64 vp = &o->posval[entries];
65 if (!vp->ival || vp->ival[0] == '\0')
68 memcpy(&vpmap[entries], vp, sizeof(*vp));
71 qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp);
74 static void show_option_range(const struct fio_option *o,
75 ssize_t (*logger)(const char *format, ...))
77 if (o->type == FIO_OPT_FLOAT_LIST) {
79 if (!o->minfp && !o->maxfp)
82 logger("%20s: ", "range");
83 if (o->minfp != DBL_MIN) {
84 logger("min=%f", o->minfp);
87 if (o->maxfp != DBL_MAX)
88 logger("%smax=%f", sep, o->maxfp);
90 } else if (!o->posval[0].ival) {
91 if (!o->minval && !o->maxval)
94 logger("%20s: min=%d", "range", o->minval);
96 logger(", max=%d", o->maxval);
101 static void show_option_values(const struct fio_option *o)
105 for (i = 0; i < PARSE_MAX_VP; i++) {
106 const struct value_pair *vp = &o->posval[i];
111 log_info("%20s: %-10s", i == 0 ? "valid values" : "", vp->ival);
113 log_info(" %s", vp->help);
121 static void show_option_help(const struct fio_option *o, int is_err)
123 const char *typehelp[] = {
124 [FIO_OPT_INVALID] = "invalid",
125 [FIO_OPT_STR] = "string (opt=bla)",
126 [FIO_OPT_STR_ULL] = "string (opt=bla)",
127 [FIO_OPT_STR_MULTI] = "string with possible k/m/g postfix (opt=4k)",
128 [FIO_OPT_STR_VAL] = "string (opt=bla)",
129 [FIO_OPT_STR_VAL_TIME] = "string with time postfix (opt=10s)",
130 [FIO_OPT_STR_STORE] = "string (opt=bla)",
131 [FIO_OPT_RANGE] = "one to three ranges (opt=1k-4k[,4k-8k[,1k-8k]])",
132 [FIO_OPT_INT] = "integer value (opt=100)",
133 [FIO_OPT_ULL] = "integer value (opt=100)",
134 [FIO_OPT_BOOL] = "boolean value (opt=1)",
135 [FIO_OPT_FLOAT_LIST] = "list of floating point values separated by ':' (opt=5.9:7.8)",
136 [FIO_OPT_STR_SET] = "empty or boolean value ([0|1])",
137 [FIO_OPT_DEPRECATED] = "deprecated",
138 [FIO_OPT_SOFT_DEPRECATED] = "deprecated",
139 [FIO_OPT_UNSUPPORTED] = "unsupported",
141 ssize_t (*logger)(const char *format, ...);
149 logger("%20s: %s\n", "alias", o->alias);
151 logger("%20s: %s\n", "type", typehelp[o->type]);
152 logger("%20s: %s\n", "default", o->def ? o->def : "no default");
154 logger("%20s: only for profile '%s'\n", "valid", o->prof_name);
155 show_option_range(o, logger);
156 show_option_values(o);
159 static unsigned long long get_mult_time(const char *str, int len,
164 unsigned long long mult = 1;
168 * Go forward until we hit a non-digit, or +/- sign
170 while ((p - str) <= len) {
171 if (!isdigit((int) *p) && (*p != '+') && (*p != '-'))
176 if (!isalpha((int) *p)) {
184 for (i = 0; i < strlen(c); i++)
185 c[i] = tolower((unsigned char)c[i]);
187 if (!strncmp("us", c, 2) || !strncmp("usec", c, 4))
189 else if (!strncmp("ms", c, 2) || !strncmp("msec", c, 4))
191 else if (!strcmp("s", c))
193 else if (!strcmp("m", c))
194 mult = 60 * 1000000UL;
195 else if (!strcmp("h", c))
196 mult = 60 * 60 * 1000000UL;
197 else if (!strcmp("d", c))
198 mult = 24 * 60 * 60 * 1000000ULL;
204 static int is_separator(char c)
217 static unsigned long long __get_mult_bytes(const char *p, void *data,
220 unsigned int kb_base = fio_get_kb_base(data);
221 unsigned long long ret = 1;
222 unsigned int i, pow = 0, mult = kb_base;
230 for (i = 0; i < strlen(c); i++) {
231 c[i] = tolower((unsigned char)c[i]);
232 if (is_separator(c[i])) {
238 /* If kb_base is 1000, use true units.
239 * If kb_base is 1024, use opposite units.
241 if (!strncmp("pib", c, 3)) {
245 else if (kb_base == 1024)
247 } else if (!strncmp("tib", c, 3)) {
251 else if (kb_base == 1024)
253 } else if (!strncmp("gib", c, 3)) {
257 else if (kb_base == 1024)
259 } else if (!strncmp("mib", c, 3)) {
263 else if (kb_base == 1024)
265 } else if (!strncmp("kib", c, 3)) {
269 else if (kb_base == 1024)
271 } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2)) {
273 } else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2)) {
275 } else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2)) {
277 } else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2)) {
279 } else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2)) {
281 } else if (!strncmp("%", c, 1)) {
288 ret *= (unsigned long long) mult;
294 static unsigned long long get_mult_bytes(const char *str, int len, void *data,
301 return __get_mult_bytes(str, data, percent);
304 * Go forward until we hit a non-digit, or +/- sign
306 while ((p - str) <= len) {
307 if (!isdigit((int) *p) &&
308 (((*p != '+') && (*p != '-')) || digit_seen))
310 digit_seen |= isdigit((int) *p);
314 if (!isalpha((int) *p) && (*p != '%'))
317 return __get_mult_bytes(p, data, percent);
320 extern int evaluate_arithmetic_expression(const char *buffer, long long *ival,
321 double *dval, double implied_units,
325 * Convert string into a floating number. Return 1 for success and 0 otherwise.
327 int str_to_float(const char *str, double *val, int is_time)
329 #ifdef CONFIG_ARITHMETIC
335 rc = evaluate_arithmetic_expression(str, &ival, &dval, 1.0, is_time);
342 return 1 == sscanf(str, "%lf", val);
346 * convert string into decimal value, noting any size suffix
348 int str_to_decimal(const char *str, long long *val, int kilo, void *data,
349 int is_seconds, int is_time)
353 #ifdef CONFIG_ARITHMETIC
356 double implied_units = 1.0;
363 #ifdef CONFIG_ARITHMETIC
365 implied_units = 1000000.0;
367 rc = evaluate_arithmetic_expression(str, &ival, &dval, implied_units, is_time);
368 if (str[0] == '(' && !rc) {
369 if (!kilo && is_seconds)
370 *val = ival / 1000000LL;
379 if (strstr(str, "0x") || strstr(str, "0X"))
384 *val = strtoll(str, &endptr, base);
385 if (*val == 0 && endptr == str)
387 if (*val == LONG_MAX && errno == ERANGE)
392 unsigned long long mult;
395 mult = get_mult_bytes(str, len, data, &perc);
401 *val *= get_mult_time(str, len, is_seconds);
406 int check_str_bytes(const char *p, long long *val, void *data)
408 return str_to_decimal(p, val, 1, data, 0, 0);
411 int check_str_time(const char *p, long long *val, int is_seconds)
413 return str_to_decimal(p, val, 0, NULL, is_seconds, 1);
416 void strip_blank_front(char **p)
422 while (isspace((int) *s))
428 void strip_blank_end(char *p)
445 while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start))
451 static int check_range_bytes(const char *str, long long *val, void *data)
455 if (!str_to_decimal(str, &__val, 1, data, 0, 0)) {
463 static int check_int(const char *p, int *val)
467 if (strstr(p, "0x") || strstr(p, "0X")) {
468 if (sscanf(p, "%x", val) == 1)
471 if (sscanf(p, "%u", val) == 1)
478 static size_t opt_len(const char *str)
482 postfix = strchr(str, ':');
486 return (int)(postfix - str);
489 static int str_match_len(const struct value_pair *vp, const char *str)
491 return max(strlen(vp->ival), opt_len(str));
494 #define val_store(ptr, val, off, or, data, o) \
496 ptr = td_var((data), (o), (off)); \
503 static const char *opt_type_name(const struct fio_option *o)
505 compiletime_assert(FIO_ARRAY_SIZE(opt_type_names) - 1 == FIO_OPT_UNSUPPORTED,
506 "opt_type_names[] index");
508 if (o->type <= FIO_OPT_UNSUPPORTED)
509 return opt_type_names[o->type];
511 return "OPT_UNKNOWN?";
514 static bool val_too_large(const struct fio_option *o, unsigned long long val,
522 return (int) val > (int) o->maxval;
523 return (unsigned int) val > o->maxval;
526 return val > o->maxval;
529 static bool val_too_small(const struct fio_option *o, unsigned long long val,
536 return (int) val < o->minval;
538 return val < o->minval;
541 static int __handle_option(const struct fio_option *o, const char *ptr,
542 void *data, int first, int more, int curr)
546 long long ull, *ullp;
548 long long ull1, ull2;
551 int ret = 0, is_time = 0;
552 const struct value_pair *vp;
553 struct value_pair posval[PARSE_MAX_VP];
554 int i, all_skipped = 1;
556 dprint(FD_PARSE, "__handle_option=%s, type=%s, ptr=%s\n", o->name,
557 opt_type_name(o), ptr);
559 if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) {
560 log_err("Option %s requires an argument\n", o->name);
566 case FIO_OPT_STR_ULL:
567 case FIO_OPT_STR_MULTI: {
568 fio_opt_str_fn *fn = o->cb;
570 posval_sort(o, posval);
573 for (i = 0; i < PARSE_MAX_VP; i++) {
575 if (!vp->ival || vp->ival[0] == '\0')
580 if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) {
584 if (o->type == FIO_OPT_STR_ULL)
585 val_store(ullp, vp->oval, o->off1, vp->orval, data, o);
587 val_store(ilp, vp->oval, o->off1, vp->orval, data, o);
592 if (ret && !all_skipped)
593 show_option_values(o);
598 case FIO_OPT_STR_VAL_TIME:
603 case FIO_OPT_STR_VAL:
604 case FIO_OPT_STR_VAL_ZONE:
606 fio_opt_str_val_fn *fn = o->cb;
608 size_t len = strlen(ptr);
610 if (len > 0 && ptr[len - 1] == 'z') {
611 if (o->type == FIO_OPT_STR_VAL_ZONE) {
613 unsigned long long val;
616 val = strtoul(ptr, &ep, 10);
617 if (errno == 0 && ep != ptr && *ep == 'z') {
618 ull = ZONE_BASE_VAL + (uint32_t)val;
620 goto store_option_value;
622 log_err("%s: unexpected zone value '%s'\n",
627 log_err("%s: 'z' suffix isn't applicable\n",
633 if (!is_time && o->is_time)
634 is_time = o->is_time;
636 snprintf(tmp, sizeof(tmp), "%s", ptr);
637 p = strchr(tmp, ',');
642 ret = check_str_time(tmp, &ull, o->is_seconds);
644 ret = check_str_bytes(tmp, &ull, data);
646 dprint(FD_PARSE, " ret=%d, out=%llu\n", ret, ull);
650 if (o->pow2 && !is_power_of_2(ull)) {
651 log_err("%s: must be a power-of-2\n", o->name);
655 if (val_too_large(o, ull, o->type == FIO_OPT_INT)) {
656 log_err("%s: max value out of range: %llu"
657 " (%llu max)\n", o->name, ull, o->maxval);
660 if (val_too_small(o, ull, o->type == FIO_OPT_INT)) {
661 log_err("%s: min value out of range: %lld"
662 " (%d min)\n", o->name, ull, o->minval);
665 if (o->posval[0].ival) {
666 posval_sort(o, posval);
669 for (i = 0; i < PARSE_MAX_VP; i++) {
671 if (!vp->ival || vp->ival[0] == '\0')
673 if (vp->oval == ull) {
679 log_err("fio: value %llu not allowed:\n", ull);
680 show_option_values(o);
687 ret = fn(data, &ull);
689 if (o->type == FIO_OPT_INT) {
691 val_store(ilp, ull, o->off1, 0, data, o);
694 val_store(ilp, ull, o->off2, 0, data, o);
698 val_store(ilp, ull, o->off3, 0, data, o);
703 val_store(ilp, ull, o->off2, 0, data, o);
707 val_store(ilp, ull, o->off3, 0, data, o);
710 } else if (o->type == FIO_OPT_ULL) {
712 val_store(ullp, ull, o->off1, 0, data, o);
715 val_store(ullp, ull, o->off2, 0, data, o);
719 val_store(ullp, ull, o->off3, 0, data, o);
724 val_store(ullp, ull, o->off2, 0, data, o);
728 val_store(ullp, ull, o->off3, 0, data, o);
733 val_store(ullp, ull, o->off1, 0, data, o);
736 val_store(ullp, ull, o->off2, 0, data, o);
742 case FIO_OPT_FLOAT_LIST: {
747 ** Initialize precision to 0 and zero out list
748 ** in case specified list is shorter than default
752 ilp = td_var(data, o, o->off2);
756 flp = td_var(data, o, o->off1);
757 for(i = 0; i < o->maxlen; i++)
760 if (curr >= o->maxlen) {
761 log_err("the list exceeding max length %d\n",
765 if (!str_to_float(ptr, &uf, 0)) { /* this breaks if we ever have lists of times */
766 log_err("not a floating point value: %s\n", ptr);
769 if (o->minfp || o->maxfp) {
771 log_err("value out of range: %f"
772 " (range max: %f)\n", uf, o->maxfp);
776 log_err("value out of range: %f"
777 " (range min: %f)\n", uf, o->minfp);
782 flp = td_var(data, o, o->off1);
785 dprint(FD_PARSE, " out=%f\n", uf);
788 ** Calculate precision for output by counting
789 ** number of digits after period. Find first
790 ** period in entire remaining list each time
792 cp2 = strchr(ptr, '.');
796 while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9')
800 ilp = td_var(data, o, o->off2);
808 case FIO_OPT_STR_STORE: {
809 fio_opt_str_fn *fn = o->cb;
815 cp = td_var(data, o, o->off1);
817 if (strlen(ptr) > o->maxlen - 1) {
818 log_err("value exceeds max length of %d\n",
826 else if (o->posval[0].ival) {
827 posval_sort(o, posval);
830 for (i = 0; i < PARSE_MAX_VP; i++) {
832 if (!vp->ival || vp->ival[0] == '\0' || !cp)
835 if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) {
841 rest = strstr(*cp ?: ptr, ":");
855 show_option_values(o);
864 case FIO_OPT_RANGE: {
868 snprintf(tmp, sizeof(tmp), "%s", ptr);
870 /* Handle bsrange with separate read,write values: */
871 p1 = strchr(tmp, ',');
875 p1 = strchr(tmp, '-');
877 p1 = strchr(tmp, ':');
889 if (!check_range_bytes(p1, &ull1, data) &&
890 !check_range_bytes(p2, &ull2, data)) {
893 unsigned long long foo = ull1;
900 val_store(ullp, ull1, o->off1, 0, data, o);
901 val_store(ullp, ull2, o->off2, 0, data, o);
904 if (o->off3 && o->off4) {
905 val_store(ullp, ull1, o->off3, 0, data, o);
906 val_store(ullp, ull2, o->off4, 0, data, o);
910 if (o->off5 && o->off6) {
911 val_store(ullp, ull1, o->off5, 0, data, o);
912 val_store(ullp, ull2, o->off6, 0, data, o);
917 if (o->off3 && o->off4) {
918 val_store(ullp, ull1, o->off3, 0, data, o);
919 val_store(ullp, ull2, o->off4, 0, data, o);
923 if (o->off5 && o->off6) {
924 val_store(ullp, ull1, o->off5, 0, data, o);
925 val_store(ullp, ull2, o->off6, 0, data, o);
934 case FIO_OPT_STR_SET: {
935 fio_opt_int_fn *fn = o->cb;
938 ret = check_int(ptr, &il);
939 else if (o->type == FIO_OPT_BOOL)
944 dprint(FD_PARSE, " ret=%d, out=%d\n", ret, il);
949 if (o->maxval && il > (int) o->maxval) {
950 log_err("max value out of range: %d (%llu max)\n",
954 if (o->minval && il < o->minval) {
955 log_err("min value out of range: %d (%d min)\n",
967 val_store(ilp, il, o->off1, 0, data, o);
970 val_store(ilp, il, o->off2, 0, data, o);
975 case FIO_OPT_DEPRECATED:
978 case FIO_OPT_SOFT_DEPRECATED:
979 log_info("Option %s is deprecated\n", o->name);
982 log_err("Bad option type %u\n", o->type);
990 ret = o->verify(o, data);
992 log_err("Correct format for offending option\n");
993 log_err("%20s: %s\n", o->name, o->help);
994 show_option_help(o, 1);
1001 static int handle_option(const struct fio_option *o, const char *__ptr,
1004 char *o_ptr, *ptr, *ptr2;
1007 dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr);
1011 o_ptr = ptr = strdup(__ptr);
1014 * See if we have another set of parameters, hidden after a comma.
1015 * Do this before parsing this round, to check if we should
1016 * copy set 1 options to set 2.
1025 (o->type != FIO_OPT_STR_STORE) &&
1026 (o->type != FIO_OPT_STR) &&
1027 (o->type != FIO_OPT_STR_ULL) &&
1028 (o->type != FIO_OPT_FLOAT_LIST)) {
1029 ptr2 = strchr(ptr, ',');
1030 if (ptr2 && *(ptr2 + 1) == '\0')
1032 if (o->type != FIO_OPT_STR_MULTI && o->type != FIO_OPT_RANGE) {
1034 ptr2 = strchr(ptr, ':');
1036 ptr2 = strchr(ptr, '-');
1038 } else if (ptr && o->type == FIO_OPT_FLOAT_LIST) {
1039 ptr2 = strchr(ptr, ':');
1043 * Don't return early if parsing the first option fails - if
1044 * we are doing multiple arguments, we can allow the first one
1047 __ret = __handle_option(o, ptr, data, !done, !!ptr2, done);
1063 struct fio_option *find_option(struct fio_option *options, const char *opt)
1065 struct fio_option *o;
1067 for (o = &options[0]; o->name; o++) {
1068 if (!o_match(o, opt))
1070 if (o->type == FIO_OPT_UNSUPPORTED) {
1071 log_err("Option <%s>: %s\n", o->name, o->help);
1081 const struct fio_option *
1082 find_option_c(const struct fio_option *options, const char *opt)
1084 const struct fio_option *o;
1086 for (o = &options[0]; o->name; o++) {
1087 if (!o_match(o, opt))
1089 if (o->type == FIO_OPT_UNSUPPORTED) {
1090 log_err("Option <%s>: %s\n", o->name, o->help);
1100 static const struct fio_option *
1101 get_option(char *opt, const struct fio_option *options, char **post)
1103 const struct fio_option *o;
1106 ret = strchr(opt, '=');
1112 strip_blank_end(ret);
1113 o = find_option_c(options, ret);
1115 o = find_option_c(options, opt);
1122 static int opt_cmp(const void *p1, const void *p2)
1124 const struct fio_option *o;
1131 s = strdup(*((char **) p1));
1132 o = get_option(s, __fio_options, &foo);
1138 s = strdup(*((char **) p2));
1139 o = get_option(s, __fio_options, &foo);
1145 return prio2 - prio1;
1148 void sort_options(char **opts, const struct fio_option *options, int num_opts)
1150 __fio_options = options;
1151 qsort(opts, num_opts, sizeof(char *), opt_cmp);
1152 __fio_options = NULL;
1155 static void add_to_dump_list(const struct fio_option *o,
1156 struct flist_head *dump_list, const char *post)
1158 struct print_option *p;
1163 p = malloc(sizeof(*p));
1164 p->name = strdup(o->name);
1166 p->value = strdup(post);
1170 flist_add_tail(&p->list, dump_list);
1173 int parse_cmd_option(const char *opt, const char *val,
1174 const struct fio_option *options, void *data,
1175 struct flist_head *dump_list)
1177 const struct fio_option *o;
1179 o = find_option_c(options, opt);
1181 log_err("Bad option <%s>\n", opt);
1185 if (handle_option(o, val, data)) {
1186 log_err("fio: failed parsing %s=%s\n", opt, val);
1190 add_to_dump_list(o, dump_list, val);
1194 int parse_option(char *opt, const char *input, const struct fio_option *options,
1195 const struct fio_option **o, void *data,
1196 struct flist_head *dump_list)
1201 log_err("fio: failed parsing %s\n", input);
1206 *o = get_option(opt, options, &post);
1209 int len = strlen(opt);
1210 if (opt + len + 1 != post)
1211 memmove(opt + len + 1, post, strlen(post));
1217 if (handle_option(*o, post, data)) {
1218 log_err("fio: failed parsing %s\n", input);
1222 add_to_dump_list(*o, dump_list, post);
1227 * Option match, levenshtein distance. Handy for not quite remembering what
1228 * the option name is.
1230 int string_distance(const char *s1, const char *s2)
1232 unsigned int s1_len = strlen(s1);
1233 unsigned int s2_len = strlen(s2);
1234 unsigned int *p, *q, *r;
1237 p = malloc(sizeof(unsigned int) * (s2_len + 1));
1238 q = malloc(sizeof(unsigned int) * (s2_len + 1));
1241 for (i = 1; i <= s2_len; i++)
1242 p[i] = p[i - 1] + 1;
1244 for (i = 1; i <= s1_len; i++) {
1246 for (j = 1; j <= s2_len; j++) {
1247 unsigned int sub = p[j - 1];
1250 if (s1[i - 1] != s2[j - 1])
1253 pmin = min(q[j - 1] + 1, sub);
1254 q[j] = min(p[j] + 1, pmin);
1268 * Make a guess of whether the distance from 's1' is significant enough
1269 * to warrant printing the guess. We set this to a 1/2 match.
1271 int string_distance_ok(const char *opt, int distance)
1276 len = (len + 1) / 2;
1277 return distance <= len;
1280 static const struct fio_option *find_child(const struct fio_option *options,
1281 const struct fio_option *o)
1283 const struct fio_option *__o;
1285 for (__o = options + 1; __o->name; __o++)
1286 if (__o->parent && !strcmp(__o->parent, o->name))
1292 static void __print_option(const struct fio_option *o,
1293 const struct fio_option *org,
1305 p += sprintf(p, "%s", " ");
1307 sprintf(p, "%s", o->name);
1309 log_info("%-24s: %s\n", name, o->help);
1312 static void print_option(const struct fio_option *o)
1314 const struct fio_option *parent;
1315 const struct fio_option *__o;
1316 unsigned int printed;
1319 __print_option(o, NULL, 0);
1326 while ((__o = find_child(o, parent)) != NULL) {
1327 __print_option(__o, o, level);
1336 int show_cmd_help(const struct fio_option *options, const char *name)
1338 const struct fio_option *o, *closest;
1339 unsigned int best_dist = -1U;
1343 if (!name || !strcmp(name, "all"))
1348 for (o = &options[0]; o->name; o++) {
1351 if (o->type == FIO_OPT_DEPRECATED ||
1352 o->type == FIO_OPT_SOFT_DEPRECATED)
1354 if (!exec_profile && o->prof_name)
1356 if (exec_profile && !(o->prof_name && !strcmp(exec_profile, o->prof_name)))
1360 if (!strcmp(name, o->name) ||
1361 (o->alias && !strcmp(name, o->alias)))
1366 dist = string_distance(name, o->name);
1367 if (dist < best_dist) {
1374 if (show_all || match) {
1377 log_info("%20s: %s\n", o->name, o->help);
1388 show_option_help(o, 0);
1394 log_err("No such command: %s", name);
1397 * Only print an appropriately close option, one where the edit
1398 * distance isn't too big. Otherwise we get crazy matches.
1400 if (closest && best_dist < 3) {
1401 log_info(" - showing closest match\n");
1402 log_info("%20s: %s\n", closest->name, closest->help);
1403 show_option_help(closest, 0);
1411 * Handle parsing of default parameters.
1413 void fill_default_options(void *data, const struct fio_option *options)
1415 const struct fio_option *o;
1417 dprint(FD_PARSE, "filling default options\n");
1419 for (o = &options[0]; o->name; o++)
1421 handle_option(o, o->def, data);
1424 static void option_init(struct fio_option *o)
1426 if (o->type == FIO_OPT_DEPRECATED || o->type == FIO_OPT_UNSUPPORTED ||
1427 o->type == FIO_OPT_SOFT_DEPRECATED)
1429 if (o->name && !o->lname)
1430 log_err("Option %s: missing long option name\n", o->name);
1431 if (o->type == FIO_OPT_BOOL) {
1435 if (o->type == FIO_OPT_INT) {
1437 o->maxval = UINT_MAX;
1439 if (o->type == FIO_OPT_ULL) {
1441 o->maxval = ULLONG_MAX;
1443 if (o->type == FIO_OPT_STR_SET && o->def && !o->no_warn_def) {
1444 log_err("Option %s: string set option with"
1445 " default will always be true\n", o->name);
1447 if (!o->cb && !o->off1)
1448 log_err("Option %s: neither cb nor offset given\n", o->name);
1450 log_info("Option %s: no category defined. Setting to misc\n", o->name);
1451 o->category = FIO_OPT_C_GENERAL;
1452 o->group = FIO_OPT_G_INVALID;
1457 * Sanitize the options structure. For now it just sets min/max for bool
1458 * values and whether both callback and offsets are given.
1460 void options_init(struct fio_option *options)
1462 struct fio_option *o;
1464 dprint(FD_PARSE, "init options\n");
1466 for (o = &options[0]; o->name; o++) {
1469 o->inv_opt = find_option(options, o->inverse);
1473 void options_mem_dupe(const struct fio_option *options, void *data)
1475 const struct fio_option *o;
1478 dprint(FD_PARSE, "dup options\n");
1480 for (o = &options[0]; o->name; o++) {
1481 if (o->type != FIO_OPT_STR_STORE)
1484 ptr = td_var(data, o, o->off1);
1486 *ptr = strdup(*ptr);
1490 void options_free(const struct fio_option *options, void *data)
1492 const struct fio_option *o;
1495 dprint(FD_PARSE, "free options\n");
1497 for (o = &options[0]; o->name; o++) {
1498 if (o->type != FIO_OPT_STR_STORE || !o->off1 || o->no_free)
1501 ptr = td_var(data, o, o->off1);