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1 | /* |
2 | * Copyright 2012 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: Ben Skeggs | |
23 | */ | |
24 | ||
5b8a43ae | 25 | #include <core/option.h> |
9274f4a9 BS |
26 | #include <core/debug.h> |
27 | ||
28 | /* compares unterminated string 'str' with zero-terminated string 'cmp' */ | |
29 | static inline int | |
30 | strncasecmpz(const char *str, const char *cmp, size_t len) | |
31 | { | |
32 | if (strlen(cmp) != len) | |
33 | return len; | |
34 | return strncasecmp(str, cmp, len); | |
35 | } | |
36 | ||
37 | const char * | |
38 | nouveau_stropt(const char *optstr, const char *opt, int *arglen) | |
39 | { | |
40 | while (optstr && *optstr != '\0') { | |
41 | int len = strcspn(optstr, ",="); | |
42 | switch (optstr[len]) { | |
43 | case '=': | |
44 | if (!strncasecmpz(optstr, opt, len)) { | |
45 | optstr += len + 1; | |
46 | *arglen = strcspn(optstr, ",="); | |
47 | return *arglen ? optstr : NULL; | |
48 | } | |
49 | optstr++; | |
50 | break; | |
51 | case ',': | |
52 | optstr++; | |
53 | break; | |
54 | default: | |
55 | break; | |
56 | } | |
57 | optstr += len; | |
58 | } | |
59 | ||
60 | return NULL; | |
61 | } | |
62 | ||
63 | bool | |
64 | nouveau_boolopt(const char *optstr, const char *opt, bool value) | |
65 | { | |
66 | int arglen; | |
67 | ||
68 | optstr = nouveau_stropt(optstr, opt, &arglen); | |
69 | if (optstr) { | |
70 | if (!strncasecmpz(optstr, "0", arglen) || | |
71 | !strncasecmpz(optstr, "no", arglen) || | |
72 | !strncasecmpz(optstr, "off", arglen) || | |
73 | !strncasecmpz(optstr, "false", arglen)) | |
74 | value = false; | |
75 | else | |
76 | if (!strncasecmpz(optstr, "1", arglen) || | |
77 | !strncasecmpz(optstr, "yes", arglen) || | |
78 | !strncasecmpz(optstr, "on", arglen) || | |
79 | !strncasecmpz(optstr, "true", arglen)) | |
80 | value = true; | |
81 | } | |
82 | ||
83 | return value; | |
84 | } | |
85 | ||
86 | int | |
87 | nouveau_dbgopt(const char *optstr, const char *sub) | |
88 | { | |
89 | int mode = 1, level = CONFIG_NOUVEAU_DEBUG_DEFAULT; | |
90 | ||
91 | while (optstr) { | |
92 | int len = strcspn(optstr, ",="); | |
93 | switch (optstr[len]) { | |
94 | case '=': | |
95 | if (strncasecmpz(optstr, sub, len)) | |
96 | mode = 0; | |
97 | optstr++; | |
98 | break; | |
99 | default: | |
100 | if (mode) { | |
101 | if (!strncasecmpz(optstr, "fatal", len)) | |
102 | level = NV_DBG_FATAL; | |
103 | else if (!strncasecmpz(optstr, "error", len)) | |
104 | level = NV_DBG_ERROR; | |
105 | else if (!strncasecmpz(optstr, "warn", len)) | |
106 | level = NV_DBG_WARN; | |
107 | else if (!strncasecmpz(optstr, "info", len)) | |
c52f4fa6 | 108 | level = NV_DBG_INFO_NORMAL; |
9274f4a9 BS |
109 | else if (!strncasecmpz(optstr, "debug", len)) |
110 | level = NV_DBG_DEBUG; | |
111 | else if (!strncasecmpz(optstr, "trace", len)) | |
112 | level = NV_DBG_TRACE; | |
113 | else if (!strncasecmpz(optstr, "paranoia", len)) | |
114 | level = NV_DBG_PARANOIA; | |
115 | else if (!strncasecmpz(optstr, "spam", len)) | |
116 | level = NV_DBG_SPAM; | |
117 | } | |
118 | ||
119 | if (optstr[len] != '\0') { | |
120 | optstr++; | |
121 | mode = 1; | |
122 | break; | |
123 | } | |
124 | ||
125 | return level; | |
126 | } | |
127 | optstr += len; | |
128 | } | |
129 | ||
130 | return level; | |
131 | } |