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b886d83c | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
1236441f MH |
2 | /* |
3 | hwmon.h - part of lm_sensors, Linux kernel modules for hardware monitoring | |
4 | ||
5 | This file declares helper functions for the sysfs class "hwmon", | |
6 | for use by sensors drivers. | |
7 | ||
8 | Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com> | |
9 | ||
1236441f MH |
10 | */ |
11 | ||
12 | #ifndef _HWMON_H_ | |
13 | #define _HWMON_H_ | |
14 | ||
d560168b GR |
15 | #include <linux/bitops.h> |
16 | ||
313162d0 | 17 | struct device; |
bab2243c | 18 | struct attribute_group; |
1236441f | 19 | |
d560168b GR |
20 | enum hwmon_sensor_types { |
21 | hwmon_chip, | |
22 | hwmon_temp, | |
23 | hwmon_in, | |
24 | hwmon_curr, | |
25 | hwmon_power, | |
26 | hwmon_energy, | |
6bfcca44 | 27 | hwmon_humidity, |
8faee73f | 28 | hwmon_fan, |
f9f7bb3a | 29 | hwmon_pwm, |
d5753800 | 30 | hwmon_max, |
d560168b GR |
31 | }; |
32 | ||
33 | enum hwmon_chip_attributes { | |
34 | hwmon_chip_temp_reset_history, | |
00d616cf | 35 | hwmon_chip_in_reset_history, |
9b26947c | 36 | hwmon_chip_curr_reset_history, |
b308f5c7 | 37 | hwmon_chip_power_reset_history, |
d560168b GR |
38 | hwmon_chip_register_tz, |
39 | hwmon_chip_update_interval, | |
40 | hwmon_chip_alarms, | |
9f00995e GR |
41 | hwmon_chip_samples, |
42 | hwmon_chip_curr_samples, | |
43 | hwmon_chip_in_samples, | |
44 | hwmon_chip_power_samples, | |
45 | hwmon_chip_temp_samples, | |
d560168b GR |
46 | }; |
47 | ||
48 | #define HWMON_C_TEMP_RESET_HISTORY BIT(hwmon_chip_temp_reset_history) | |
49 | #define HWMON_C_IN_RESET_HISTORY BIT(hwmon_chip_in_reset_history) | |
9b26947c | 50 | #define HWMON_C_CURR_RESET_HISTORY BIT(hwmon_chip_curr_reset_history) |
b308f5c7 | 51 | #define HWMON_C_POWER_RESET_HISTORY BIT(hwmon_chip_power_reset_history) |
d560168b GR |
52 | #define HWMON_C_REGISTER_TZ BIT(hwmon_chip_register_tz) |
53 | #define HWMON_C_UPDATE_INTERVAL BIT(hwmon_chip_update_interval) | |
54 | #define HWMON_C_ALARMS BIT(hwmon_chip_alarms) | |
9f00995e GR |
55 | #define HWMON_C_SAMPLES BIT(hwmon_chip_samples) |
56 | #define HWMON_C_CURR_SAMPLES BIT(hwmon_chip_curr_samples) | |
57 | #define HWMON_C_IN_SAMPLES BIT(hwmon_chip_in_samples) | |
58 | #define HWMON_C_POWER_SAMPLES BIT(hwmon_chip_power_samples) | |
59 | #define HWMON_C_TEMP_SAMPLES BIT(hwmon_chip_temp_samples) | |
d560168b GR |
60 | |
61 | enum hwmon_temp_attributes { | |
62 | hwmon_temp_input = 0, | |
63 | hwmon_temp_type, | |
64 | hwmon_temp_lcrit, | |
65 | hwmon_temp_lcrit_hyst, | |
66 | hwmon_temp_min, | |
67 | hwmon_temp_min_hyst, | |
68 | hwmon_temp_max, | |
69 | hwmon_temp_max_hyst, | |
70 | hwmon_temp_crit, | |
71 | hwmon_temp_crit_hyst, | |
72 | hwmon_temp_emergency, | |
73 | hwmon_temp_emergency_hyst, | |
74 | hwmon_temp_alarm, | |
75 | hwmon_temp_lcrit_alarm, | |
76 | hwmon_temp_min_alarm, | |
77 | hwmon_temp_max_alarm, | |
78 | hwmon_temp_crit_alarm, | |
79 | hwmon_temp_emergency_alarm, | |
80 | hwmon_temp_fault, | |
81 | hwmon_temp_offset, | |
82 | hwmon_temp_label, | |
83 | hwmon_temp_lowest, | |
84 | hwmon_temp_highest, | |
85 | hwmon_temp_reset_history, | |
86 | }; | |
87 | ||
88 | #define HWMON_T_INPUT BIT(hwmon_temp_input) | |
89 | #define HWMON_T_TYPE BIT(hwmon_temp_type) | |
90 | #define HWMON_T_LCRIT BIT(hwmon_temp_lcrit) | |
91 | #define HWMON_T_LCRIT_HYST BIT(hwmon_temp_lcrit_hyst) | |
92 | #define HWMON_T_MIN BIT(hwmon_temp_min) | |
93 | #define HWMON_T_MIN_HYST BIT(hwmon_temp_min_hyst) | |
94 | #define HWMON_T_MAX BIT(hwmon_temp_max) | |
95 | #define HWMON_T_MAX_HYST BIT(hwmon_temp_max_hyst) | |
96 | #define HWMON_T_CRIT BIT(hwmon_temp_crit) | |
97 | #define HWMON_T_CRIT_HYST BIT(hwmon_temp_crit_hyst) | |
98 | #define HWMON_T_EMERGENCY BIT(hwmon_temp_emergency) | |
99 | #define HWMON_T_EMERGENCY_HYST BIT(hwmon_temp_emergency_hyst) | |
a5023a99 | 100 | #define HWMON_T_ALARM BIT(hwmon_temp_alarm) |
d560168b GR |
101 | #define HWMON_T_MIN_ALARM BIT(hwmon_temp_min_alarm) |
102 | #define HWMON_T_MAX_ALARM BIT(hwmon_temp_max_alarm) | |
103 | #define HWMON_T_CRIT_ALARM BIT(hwmon_temp_crit_alarm) | |
2fe31e43 | 104 | #define HWMON_T_LCRIT_ALARM BIT(hwmon_temp_lcrit_alarm) |
d560168b GR |
105 | #define HWMON_T_EMERGENCY_ALARM BIT(hwmon_temp_emergency_alarm) |
106 | #define HWMON_T_FAULT BIT(hwmon_temp_fault) | |
107 | #define HWMON_T_OFFSET BIT(hwmon_temp_offset) | |
108 | #define HWMON_T_LABEL BIT(hwmon_temp_label) | |
109 | #define HWMON_T_LOWEST BIT(hwmon_temp_lowest) | |
110 | #define HWMON_T_HIGHEST BIT(hwmon_temp_highest) | |
111 | #define HWMON_T_RESET_HISTORY BIT(hwmon_temp_reset_history) | |
112 | ||
00d616cf GR |
113 | enum hwmon_in_attributes { |
114 | hwmon_in_input, | |
115 | hwmon_in_min, | |
116 | hwmon_in_max, | |
117 | hwmon_in_lcrit, | |
118 | hwmon_in_crit, | |
119 | hwmon_in_average, | |
120 | hwmon_in_lowest, | |
121 | hwmon_in_highest, | |
122 | hwmon_in_reset_history, | |
123 | hwmon_in_label, | |
124 | hwmon_in_alarm, | |
125 | hwmon_in_min_alarm, | |
126 | hwmon_in_max_alarm, | |
127 | hwmon_in_lcrit_alarm, | |
128 | hwmon_in_crit_alarm, | |
68c0d69d | 129 | hwmon_in_enable, |
00d616cf GR |
130 | }; |
131 | ||
132 | #define HWMON_I_INPUT BIT(hwmon_in_input) | |
133 | #define HWMON_I_MIN BIT(hwmon_in_min) | |
134 | #define HWMON_I_MAX BIT(hwmon_in_max) | |
135 | #define HWMON_I_LCRIT BIT(hwmon_in_lcrit) | |
136 | #define HWMON_I_CRIT BIT(hwmon_in_crit) | |
137 | #define HWMON_I_AVERAGE BIT(hwmon_in_average) | |
138 | #define HWMON_I_LOWEST BIT(hwmon_in_lowest) | |
139 | #define HWMON_I_HIGHEST BIT(hwmon_in_highest) | |
140 | #define HWMON_I_RESET_HISTORY BIT(hwmon_in_reset_history) | |
141 | #define HWMON_I_LABEL BIT(hwmon_in_label) | |
142 | #define HWMON_I_ALARM BIT(hwmon_in_alarm) | |
143 | #define HWMON_I_MIN_ALARM BIT(hwmon_in_min_alarm) | |
144 | #define HWMON_I_MAX_ALARM BIT(hwmon_in_max_alarm) | |
145 | #define HWMON_I_LCRIT_ALARM BIT(hwmon_in_lcrit_alarm) | |
146 | #define HWMON_I_CRIT_ALARM BIT(hwmon_in_crit_alarm) | |
68c0d69d | 147 | #define HWMON_I_ENABLE BIT(hwmon_in_enable) |
00d616cf | 148 | |
9b26947c GR |
149 | enum hwmon_curr_attributes { |
150 | hwmon_curr_input, | |
151 | hwmon_curr_min, | |
152 | hwmon_curr_max, | |
153 | hwmon_curr_lcrit, | |
154 | hwmon_curr_crit, | |
155 | hwmon_curr_average, | |
156 | hwmon_curr_lowest, | |
157 | hwmon_curr_highest, | |
158 | hwmon_curr_reset_history, | |
159 | hwmon_curr_label, | |
160 | hwmon_curr_alarm, | |
161 | hwmon_curr_min_alarm, | |
162 | hwmon_curr_max_alarm, | |
163 | hwmon_curr_lcrit_alarm, | |
164 | hwmon_curr_crit_alarm, | |
165 | }; | |
166 | ||
167 | #define HWMON_C_INPUT BIT(hwmon_curr_input) | |
168 | #define HWMON_C_MIN BIT(hwmon_curr_min) | |
169 | #define HWMON_C_MAX BIT(hwmon_curr_max) | |
170 | #define HWMON_C_LCRIT BIT(hwmon_curr_lcrit) | |
171 | #define HWMON_C_CRIT BIT(hwmon_curr_crit) | |
172 | #define HWMON_C_AVERAGE BIT(hwmon_curr_average) | |
173 | #define HWMON_C_LOWEST BIT(hwmon_curr_lowest) | |
174 | #define HWMON_C_HIGHEST BIT(hwmon_curr_highest) | |
175 | #define HWMON_C_RESET_HISTORY BIT(hwmon_curr_reset_history) | |
176 | #define HWMON_C_LABEL BIT(hwmon_curr_label) | |
177 | #define HWMON_C_ALARM BIT(hwmon_curr_alarm) | |
178 | #define HWMON_C_MIN_ALARM BIT(hwmon_curr_min_alarm) | |
179 | #define HWMON_C_MAX_ALARM BIT(hwmon_curr_max_alarm) | |
180 | #define HWMON_C_LCRIT_ALARM BIT(hwmon_curr_lcrit_alarm) | |
181 | #define HWMON_C_CRIT_ALARM BIT(hwmon_curr_crit_alarm) | |
182 | ||
b308f5c7 GR |
183 | enum hwmon_power_attributes { |
184 | hwmon_power_average, | |
185 | hwmon_power_average_interval, | |
186 | hwmon_power_average_interval_max, | |
187 | hwmon_power_average_interval_min, | |
188 | hwmon_power_average_highest, | |
189 | hwmon_power_average_lowest, | |
190 | hwmon_power_average_max, | |
191 | hwmon_power_average_min, | |
192 | hwmon_power_input, | |
193 | hwmon_power_input_highest, | |
194 | hwmon_power_input_lowest, | |
195 | hwmon_power_reset_history, | |
196 | hwmon_power_accuracy, | |
197 | hwmon_power_cap, | |
198 | hwmon_power_cap_hyst, | |
199 | hwmon_power_cap_max, | |
200 | hwmon_power_cap_min, | |
aa7f29b0 | 201 | hwmon_power_min, |
b308f5c7 GR |
202 | hwmon_power_max, |
203 | hwmon_power_crit, | |
aa7f29b0 | 204 | hwmon_power_lcrit, |
b308f5c7 GR |
205 | hwmon_power_label, |
206 | hwmon_power_alarm, | |
207 | hwmon_power_cap_alarm, | |
aa7f29b0 | 208 | hwmon_power_min_alarm, |
b308f5c7 | 209 | hwmon_power_max_alarm, |
aa7f29b0 | 210 | hwmon_power_lcrit_alarm, |
b308f5c7 GR |
211 | hwmon_power_crit_alarm, |
212 | }; | |
213 | ||
214 | #define HWMON_P_AVERAGE BIT(hwmon_power_average) | |
215 | #define HWMON_P_AVERAGE_INTERVAL BIT(hwmon_power_average_interval) | |
216 | #define HWMON_P_AVERAGE_INTERVAL_MAX BIT(hwmon_power_average_interval_max) | |
217 | #define HWMON_P_AVERAGE_INTERVAL_MIN BIT(hwmon_power_average_interval_min) | |
218 | #define HWMON_P_AVERAGE_HIGHEST BIT(hwmon_power_average_highest) | |
219 | #define HWMON_P_AVERAGE_LOWEST BIT(hwmon_power_average_lowest) | |
220 | #define HWMON_P_AVERAGE_MAX BIT(hwmon_power_average_max) | |
221 | #define HWMON_P_AVERAGE_MIN BIT(hwmon_power_average_min) | |
222 | #define HWMON_P_INPUT BIT(hwmon_power_input) | |
223 | #define HWMON_P_INPUT_HIGHEST BIT(hwmon_power_input_highest) | |
224 | #define HWMON_P_INPUT_LOWEST BIT(hwmon_power_input_lowest) | |
225 | #define HWMON_P_RESET_HISTORY BIT(hwmon_power_reset_history) | |
226 | #define HWMON_P_ACCURACY BIT(hwmon_power_accuracy) | |
227 | #define HWMON_P_CAP BIT(hwmon_power_cap) | |
228 | #define HWMON_P_CAP_HYST BIT(hwmon_power_cap_hyst) | |
229 | #define HWMON_P_CAP_MAX BIT(hwmon_power_cap_max) | |
230 | #define HWMON_P_CAP_MIN BIT(hwmon_power_cap_min) | |
aa7f29b0 | 231 | #define HWMON_P_MIN BIT(hwmon_power_min) |
b308f5c7 | 232 | #define HWMON_P_MAX BIT(hwmon_power_max) |
aa7f29b0 | 233 | #define HWMON_P_LCRIT BIT(hwmon_power_lcrit) |
b308f5c7 GR |
234 | #define HWMON_P_CRIT BIT(hwmon_power_crit) |
235 | #define HWMON_P_LABEL BIT(hwmon_power_label) | |
236 | #define HWMON_P_ALARM BIT(hwmon_power_alarm) | |
237 | #define HWMON_P_CAP_ALARM BIT(hwmon_power_cap_alarm) | |
30945d31 | 238 | #define HWMON_P_MIN_ALARM BIT(hwmon_power_min_alarm) |
b308f5c7 | 239 | #define HWMON_P_MAX_ALARM BIT(hwmon_power_max_alarm) |
aa7f29b0 | 240 | #define HWMON_P_LCRIT_ALARM BIT(hwmon_power_lcrit_alarm) |
b308f5c7 GR |
241 | #define HWMON_P_CRIT_ALARM BIT(hwmon_power_crit_alarm) |
242 | ||
6bfcca44 GR |
243 | enum hwmon_energy_attributes { |
244 | hwmon_energy_input, | |
245 | hwmon_energy_label, | |
246 | }; | |
247 | ||
248 | #define HWMON_E_INPUT BIT(hwmon_energy_input) | |
249 | #define HWMON_E_LABEL BIT(hwmon_energy_label) | |
250 | ||
251 | enum hwmon_humidity_attributes { | |
252 | hwmon_humidity_input, | |
253 | hwmon_humidity_label, | |
254 | hwmon_humidity_min, | |
255 | hwmon_humidity_min_hyst, | |
256 | hwmon_humidity_max, | |
257 | hwmon_humidity_max_hyst, | |
258 | hwmon_humidity_alarm, | |
259 | hwmon_humidity_fault, | |
260 | }; | |
261 | ||
262 | #define HWMON_H_INPUT BIT(hwmon_humidity_input) | |
263 | #define HWMON_H_LABEL BIT(hwmon_humidity_label) | |
264 | #define HWMON_H_MIN BIT(hwmon_humidity_min) | |
265 | #define HWMON_H_MIN_HYST BIT(hwmon_humidity_min_hyst) | |
266 | #define HWMON_H_MAX BIT(hwmon_humidity_max) | |
267 | #define HWMON_H_MAX_HYST BIT(hwmon_humidity_max_hyst) | |
268 | #define HWMON_H_ALARM BIT(hwmon_humidity_alarm) | |
269 | #define HWMON_H_FAULT BIT(hwmon_humidity_fault) | |
270 | ||
8faee73f GR |
271 | enum hwmon_fan_attributes { |
272 | hwmon_fan_input, | |
273 | hwmon_fan_label, | |
274 | hwmon_fan_min, | |
275 | hwmon_fan_max, | |
276 | hwmon_fan_div, | |
277 | hwmon_fan_pulses, | |
278 | hwmon_fan_target, | |
279 | hwmon_fan_alarm, | |
280 | hwmon_fan_min_alarm, | |
281 | hwmon_fan_max_alarm, | |
282 | hwmon_fan_fault, | |
283 | }; | |
284 | ||
285 | #define HWMON_F_INPUT BIT(hwmon_fan_input) | |
286 | #define HWMON_F_LABEL BIT(hwmon_fan_label) | |
287 | #define HWMON_F_MIN BIT(hwmon_fan_min) | |
288 | #define HWMON_F_MAX BIT(hwmon_fan_max) | |
289 | #define HWMON_F_DIV BIT(hwmon_fan_div) | |
290 | #define HWMON_F_PULSES BIT(hwmon_fan_pulses) | |
291 | #define HWMON_F_TARGET BIT(hwmon_fan_target) | |
292 | #define HWMON_F_ALARM BIT(hwmon_fan_alarm) | |
293 | #define HWMON_F_MIN_ALARM BIT(hwmon_fan_min_alarm) | |
294 | #define HWMON_F_MAX_ALARM BIT(hwmon_fan_max_alarm) | |
295 | #define HWMON_F_FAULT BIT(hwmon_fan_fault) | |
296 | ||
f9f7bb3a GR |
297 | enum hwmon_pwm_attributes { |
298 | hwmon_pwm_input, | |
299 | hwmon_pwm_enable, | |
300 | hwmon_pwm_mode, | |
301 | hwmon_pwm_freq, | |
302 | }; | |
303 | ||
304 | #define HWMON_PWM_INPUT BIT(hwmon_pwm_input) | |
305 | #define HWMON_PWM_ENABLE BIT(hwmon_pwm_enable) | |
306 | #define HWMON_PWM_MODE BIT(hwmon_pwm_mode) | |
307 | #define HWMON_PWM_FREQ BIT(hwmon_pwm_freq) | |
308 | ||
d560168b GR |
309 | /** |
310 | * struct hwmon_ops - hwmon device operations | |
311 | * @is_visible: Callback to return attribute visibility. Mandatory. | |
312 | * Parameters are: | |
313 | * @const void *drvdata: | |
314 | * Pointer to driver-private data structure passed | |
315 | * as argument to hwmon_device_register_with_info(). | |
316 | * @type: Sensor type | |
317 | * @attr: Sensor attribute | |
318 | * @channel: | |
319 | * Channel number | |
320 | * The function returns the file permissions. | |
321 | * If the return value is 0, no attribute will be created. | |
e159ab5c GR |
322 | * @read: Read callback for data attributes. Mandatory if readable |
323 | * data attributes are present. | |
d560168b GR |
324 | * Parameters are: |
325 | * @dev: Pointer to hardware monitoring device | |
326 | * @type: Sensor type | |
327 | * @attr: Sensor attribute | |
328 | * @channel: | |
329 | * Channel number | |
330 | * @val: Pointer to returned value | |
331 | * The function returns 0 on success or a negative error number. | |
e159ab5c GR |
332 | * @read_string: |
333 | * Read callback for string attributes. Mandatory if string | |
334 | * attributes are present. | |
335 | * Parameters are: | |
336 | * @dev: Pointer to hardware monitoring device | |
337 | * @type: Sensor type | |
338 | * @attr: Sensor attribute | |
339 | * @channel: | |
340 | * Channel number | |
341 | * @str: Pointer to returned string | |
342 | * The function returns 0 on success or a negative error number. | |
343 | * @write: Write callback for data attributes. Mandatory if writeable | |
344 | * data attributes are present. | |
d560168b GR |
345 | * Parameters are: |
346 | * @dev: Pointer to hardware monitoring device | |
347 | * @type: Sensor type | |
348 | * @attr: Sensor attribute | |
349 | * @channel: | |
350 | * Channel number | |
351 | * @val: Value to write | |
352 | * The function returns 0 on success or a negative error number. | |
353 | */ | |
354 | struct hwmon_ops { | |
355 | umode_t (*is_visible)(const void *drvdata, enum hwmon_sensor_types type, | |
356 | u32 attr, int channel); | |
357 | int (*read)(struct device *dev, enum hwmon_sensor_types type, | |
358 | u32 attr, int channel, long *val); | |
e159ab5c | 359 | int (*read_string)(struct device *dev, enum hwmon_sensor_types type, |
5ba6bcbc | 360 | u32 attr, int channel, const char **str); |
d560168b GR |
361 | int (*write)(struct device *dev, enum hwmon_sensor_types type, |
362 | u32 attr, int channel, long val); | |
363 | }; | |
364 | ||
365 | /** | |
366 | * Channel information | |
367 | * @type: Channel type. | |
368 | * @config: Pointer to NULL-terminated list of channel parameters. | |
369 | * Use for per-channel attributes. | |
370 | */ | |
371 | struct hwmon_channel_info { | |
372 | enum hwmon_sensor_types type; | |
373 | const u32 *config; | |
374 | }; | |
375 | ||
c43a113c CK |
376 | #define HWMON_CHANNEL_INFO(stype, ...) \ |
377 | (&(struct hwmon_channel_info) { \ | |
378 | .type = hwmon_##stype, \ | |
379 | .config = (u32 []) { \ | |
380 | __VA_ARGS__, 0 \ | |
381 | } \ | |
382 | }) | |
383 | ||
d560168b GR |
384 | /** |
385 | * Chip configuration | |
386 | * @ops: Pointer to hwmon operations. | |
387 | * @info: Null-terminated list of channel information. | |
388 | */ | |
389 | struct hwmon_chip_info { | |
390 | const struct hwmon_ops *ops; | |
391 | const struct hwmon_channel_info **info; | |
392 | }; | |
393 | ||
af1bd36c | 394 | /* hwmon_device_register() is deprecated */ |
1beeffe4 | 395 | struct device *hwmon_device_register(struct device *dev); |
af1bd36c | 396 | |
bab2243c GR |
397 | struct device * |
398 | hwmon_device_register_with_groups(struct device *dev, const char *name, | |
399 | void *drvdata, | |
400 | const struct attribute_group **groups); | |
74188cba GR |
401 | struct device * |
402 | devm_hwmon_device_register_with_groups(struct device *dev, const char *name, | |
403 | void *drvdata, | |
404 | const struct attribute_group **groups); | |
d560168b GR |
405 | struct device * |
406 | hwmon_device_register_with_info(struct device *dev, | |
407 | const char *name, void *drvdata, | |
408 | const struct hwmon_chip_info *info, | |
848ba0a2 | 409 | const struct attribute_group **extra_groups); |
d560168b GR |
410 | struct device * |
411 | devm_hwmon_device_register_with_info(struct device *dev, | |
848ba0a2 GR |
412 | const char *name, void *drvdata, |
413 | const struct hwmon_chip_info *info, | |
414 | const struct attribute_group **extra_groups); | |
1236441f | 415 | |
1beeffe4 | 416 | void hwmon_device_unregister(struct device *dev); |
74188cba | 417 | void devm_hwmon_device_unregister(struct device *dev); |
1236441f | 418 | |
dcb5d0fc AL |
419 | /** |
420 | * hwmon_is_bad_char - Is the char invalid in a hwmon name | |
421 | * @ch: the char to be considered | |
422 | * | |
423 | * hwmon_is_bad_char() can be used to determine if the given character | |
424 | * may not be used in a hwmon name. | |
425 | * | |
426 | * Returns true if the char is invalid, false otherwise. | |
427 | */ | |
428 | static inline bool hwmon_is_bad_char(const char ch) | |
429 | { | |
430 | switch (ch) { | |
431 | case '-': | |
432 | case '*': | |
433 | case ' ': | |
434 | case '\t': | |
435 | case '\n': | |
436 | return true; | |
437 | default: | |
438 | return false; | |
439 | } | |
440 | } | |
441 | ||
1236441f | 442 | #endif |