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a80abe2a CD |
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 | } |