Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1 | #include <stdlib.h> |
| 2 | #include <stdint.h> |
| 3 | #include <string.h> |
| 4 | #include <stdio.h> |
| 5 | |
| 6 | #include "util/debug.h" |
| 7 | #include "util/parse-sublevel-options.h" |
| 8 | |
| 9 | static int parse_one_sublevel_option(const char *str, |
| 10 | struct sublevel_option *opts) |
| 11 | { |
| 12 | struct sublevel_option *opt = opts; |
| 13 | char *vstr, *s = strdup(str); |
| 14 | int v = 1; |
| 15 | |
| 16 | if (!s) { |
| 17 | pr_err("no memory\n"); |
| 18 | return -1; |
| 19 | } |
| 20 | |
| 21 | vstr = strchr(s, '='); |
| 22 | if (vstr) |
| 23 | *vstr++ = 0; |
| 24 | |
| 25 | while (opt->name) { |
| 26 | if (!strcmp(s, opt->name)) |
| 27 | break; |
| 28 | opt++; |
| 29 | } |
| 30 | |
| 31 | if (!opt->name) { |
| 32 | pr_err("Unknown option name '%s'\n", s); |
| 33 | free(s); |
| 34 | return -1; |
| 35 | } |
| 36 | |
| 37 | if (vstr) |
| 38 | v = atoi(vstr); |
| 39 | |
| 40 | *opt->value_ptr = v; |
| 41 | free(s); |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | /* parse options like --foo a=<n>,b,c... */ |
| 46 | int perf_parse_sublevel_options(const char *str, struct sublevel_option *opts) |
| 47 | { |
| 48 | char *s = strdup(str); |
| 49 | char *p = NULL; |
| 50 | int ret; |
| 51 | |
| 52 | if (!s) { |
| 53 | pr_err("no memory\n"); |
| 54 | return -1; |
| 55 | } |
| 56 | |
| 57 | p = strtok(s, ","); |
| 58 | while (p) { |
| 59 | ret = parse_one_sublevel_option(p, opts); |
| 60 | if (ret) { |
| 61 | free(s); |
| 62 | return ret; |
| 63 | } |
| 64 | |
| 65 | p = strtok(NULL, ","); |
| 66 | } |
| 67 | |
| 68 | free(s); |
| 69 | return 0; |
| 70 | } |