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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <config.h> | |
21 | #include <stdint.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <strings.h> | |
25 | #include <errno.h> | |
26 | #include <stdbool.h> | |
27 | #include <libsigrok/libsigrok.h> | |
28 | #include "libsigrok-internal.h" | |
29 | ||
30 | /** @cond PRIVATE */ | |
31 | #define LOG_PREFIX "strutil" | |
32 | /** @endcond */ | |
33 | ||
34 | /** | |
35 | * @file | |
36 | * | |
37 | * Helper functions for handling or converting libsigrok-related strings. | |
38 | */ | |
39 | ||
40 | /** | |
41 | * @defgroup grp_strutil String utilities | |
42 | * | |
43 | * Helper functions for handling or converting libsigrok-related strings. | |
44 | * | |
45 | * @{ | |
46 | */ | |
47 | ||
48 | /** | |
49 | * @private | |
50 | * | |
51 | * Convert a string representation of a numeric value (base 10) to a long integer. The | |
52 | * conversion is strict and will fail if the complete string does not represent | |
53 | * a valid long integer. The function sets errno according to the details of the | |
54 | * failure. | |
55 | * | |
56 | * @param str The string representation to convert. | |
57 | * @param ret Pointer to long where the result of the conversion will be stored. | |
58 | * | |
59 | * @retval SR_OK Conversion successful. | |
60 | * @retval SR_ERR Failure. | |
61 | */ | |
62 | SR_PRIV int sr_atol(const char *str, long *ret) | |
63 | { | |
64 | long tmp; | |
65 | char *endptr = NULL; | |
66 | ||
67 | errno = 0; | |
68 | tmp = strtol(str, &endptr, 10); | |
69 | ||
70 | if (!endptr || *endptr || errno) { | |
71 | if (!errno) | |
72 | errno = EINVAL; | |
73 | return SR_ERR; | |
74 | } | |
75 | ||
76 | *ret = tmp; | |
77 | return SR_OK; | |
78 | } | |
79 | ||
80 | /** | |
81 | * @private | |
82 | * | |
83 | * Convert a string representation of a numeric value (base 10) to an integer. The | |
84 | * conversion is strict and will fail if the complete string does not represent | |
85 | * a valid integer. The function sets errno according to the details of the | |
86 | * failure. | |
87 | * | |
88 | * @param str The string representation to convert. | |
89 | * @param ret Pointer to int where the result of the conversion will be stored. | |
90 | * | |
91 | * @retval SR_OK Conversion successful. | |
92 | * @retval SR_ERR Failure. | |
93 | */ | |
94 | SR_PRIV int sr_atoi(const char *str, int *ret) | |
95 | { | |
96 | long tmp; | |
97 | ||
98 | if (sr_atol(str, &tmp) != SR_OK) | |
99 | return SR_ERR; | |
100 | ||
101 | if ((int) tmp != tmp) { | |
102 | errno = ERANGE; | |
103 | return SR_ERR; | |
104 | } | |
105 | ||
106 | *ret = (int) tmp; | |
107 | return SR_OK; | |
108 | } | |
109 | ||
110 | /** | |
111 | * @private | |
112 | * | |
113 | * Convert a string representation of a numeric value to a double. The | |
114 | * conversion is strict and will fail if the complete string does not represent | |
115 | * a valid double. The function sets errno according to the details of the | |
116 | * failure. | |
117 | * | |
118 | * @param str The string representation to convert. | |
119 | * @param ret Pointer to double where the result of the conversion will be stored. | |
120 | * | |
121 | * @retval SR_OK Conversion successful. | |
122 | * @retval SR_ERR Failure. | |
123 | */ | |
124 | SR_PRIV int sr_atod(const char *str, double *ret) | |
125 | { | |
126 | double tmp; | |
127 | char *endptr = NULL; | |
128 | ||
129 | errno = 0; | |
130 | tmp = strtof(str, &endptr); | |
131 | ||
132 | if (!endptr || *endptr || errno) { | |
133 | if (!errno) | |
134 | errno = EINVAL; | |
135 | return SR_ERR; | |
136 | } | |
137 | ||
138 | *ret = tmp; | |
139 | return SR_OK; | |
140 | } | |
141 | ||
142 | /** | |
143 | * @private | |
144 | * | |
145 | * Convert a string representation of a numeric value to a float. The | |
146 | * conversion is strict and will fail if the complete string does not represent | |
147 | * a valid float. The function sets errno according to the details of the | |
148 | * failure. | |
149 | * | |
150 | * @param str The string representation to convert. | |
151 | * @param ret Pointer to float where the result of the conversion will be stored. | |
152 | * | |
153 | * @retval SR_OK Conversion successful. | |
154 | * @retval SR_ERR Failure. | |
155 | */ | |
156 | SR_PRIV int sr_atof(const char *str, float *ret) | |
157 | { | |
158 | double tmp; | |
159 | ||
160 | if (sr_atod(str, &tmp) != SR_OK) | |
161 | return SR_ERR; | |
162 | ||
163 | if ((float) tmp != tmp) { | |
164 | errno = ERANGE; | |
165 | return SR_ERR; | |
166 | } | |
167 | ||
168 | *ret = (float) tmp; | |
169 | return SR_OK; | |
170 | } | |
171 | ||
172 | /** | |
173 | * @private | |
174 | * | |
175 | * Convert a string representation of a numeric value to a double. The | |
176 | * conversion is strict and will fail if the complete string does not represent | |
177 | * a valid double. The function sets errno according to the details of the | |
178 | * failure. This version ignores the locale. | |
179 | * | |
180 | * @param str The string representation to convert. | |
181 | * @param ret Pointer to double where the result of the conversion will be stored. | |
182 | * | |
183 | * @retval SR_OK Conversion successful. | |
184 | * @retval SR_ERR Failure. | |
185 | */ | |
186 | SR_PRIV int sr_atod_ascii(const char *str, double *ret) | |
187 | { | |
188 | double tmp; | |
189 | char *endptr = NULL; | |
190 | ||
191 | errno = 0; | |
192 | tmp = g_ascii_strtod(str, &endptr); | |
193 | ||
194 | if (!endptr || *endptr || errno) { | |
195 | if (!errno) | |
196 | errno = EINVAL; | |
197 | return SR_ERR; | |
198 | } | |
199 | ||
200 | *ret = tmp; | |
201 | return SR_OK; | |
202 | } | |
203 | ||
204 | /** | |
205 | * @private | |
206 | * | |
207 | * Convert a string representation of a numeric value to a float. The | |
208 | * conversion is strict and will fail if the complete string does not represent | |
209 | * a valid float. The function sets errno according to the details of the | |
210 | * failure. This version ignores the locale. | |
211 | * | |
212 | * @param str The string representation to convert. | |
213 | * @param ret Pointer to float where the result of the conversion will be stored. | |
214 | * | |
215 | * @retval SR_OK Conversion successful. | |
216 | * @retval SR_ERR Failure. | |
217 | */ | |
218 | SR_PRIV int sr_atof_ascii(const char *str, float *ret) | |
219 | { | |
220 | double tmp; | |
221 | char *endptr = NULL; | |
222 | ||
223 | errno = 0; | |
224 | tmp = g_ascii_strtod(str, &endptr); | |
225 | ||
226 | if (!endptr || *endptr || errno) { | |
227 | if (!errno) | |
228 | errno = EINVAL; | |
229 | return SR_ERR; | |
230 | } | |
231 | ||
232 | /* FIXME This fails unexpectedly. Some other method to safel downcast | |
233 | * needs to be found. Checking against FLT_MAX doesn't work as well. */ | |
234 | /* | |
235 | if ((float) tmp != tmp) { | |
236 | errno = ERANGE; | |
237 | sr_dbg("ERANGEEEE %e != %e", (float) tmp, tmp); | |
238 | return SR_ERR; | |
239 | } | |
240 | */ | |
241 | ||
242 | *ret = (float) tmp; | |
243 | return SR_OK; | |
244 | } | |
245 | ||
246 | /** | |
247 | * Convert a string representation of a numeric value to a sr_rational. | |
248 | * | |
249 | * The conversion is strict and will fail if the complete string does not | |
250 | * represent a valid number. The function sets errno according to the details | |
251 | * of the failure. This version ignores the locale. | |
252 | * | |
253 | * @param str The string representation to convert. | |
254 | * @param ret Pointer to sr_rational where the result of the conversion will be stored. | |
255 | * | |
256 | * @retval SR_OK Conversion successful. | |
257 | * @retval SR_ERR Failure. | |
258 | * | |
259 | * @since 0.5.0 | |
260 | */ | |
261 | SR_API int sr_parse_rational(const char *str, struct sr_rational *ret) | |
262 | { | |
263 | char *endptr = NULL; | |
264 | int64_t integral; | |
265 | int64_t fractional = 0; | |
266 | int64_t denominator = 1; | |
267 | int32_t fractional_len = 0; | |
268 | int32_t exponent = 0; | |
269 | bool is_negative = false; | |
270 | ||
271 | errno = 0; | |
272 | integral = g_ascii_strtoll(str, &endptr, 10); | |
273 | ||
274 | if (str == endptr && (str[0] == '-' || str[0] == '+') && str[1] == '.') | |
275 | endptr += 1; | |
276 | else if (errno) | |
277 | return SR_ERR; | |
278 | ||
279 | if (integral < 0 || str[0] == '-') | |
280 | is_negative = true; | |
281 | ||
282 | if (*endptr == '.') { | |
283 | const char* start = endptr + 1; | |
284 | fractional = g_ascii_strtoll(start, &endptr, 10); | |
285 | if (errno) | |
286 | return SR_ERR; | |
287 | fractional_len = endptr - start; | |
288 | } | |
289 | ||
290 | if ((*endptr == 'E') || (*endptr == 'e')) { | |
291 | exponent = g_ascii_strtoll(endptr + 1, &endptr, 10); | |
292 | if (errno) | |
293 | return SR_ERR; | |
294 | } | |
295 | ||
296 | if (*endptr != '\0') | |
297 | return SR_ERR; | |
298 | ||
299 | for (int i = 0; i < fractional_len; i++) | |
300 | integral *= 10; | |
301 | exponent -= fractional_len; | |
302 | ||
303 | if (!is_negative) | |
304 | integral += fractional; | |
305 | else | |
306 | integral -= fractional; | |
307 | ||
308 | while (exponent > 0) { | |
309 | integral *= 10; | |
310 | exponent--; | |
311 | } | |
312 | ||
313 | while (exponent < 0) { | |
314 | denominator *= 10; | |
315 | exponent++; | |
316 | } | |
317 | ||
318 | ret->p = integral; | |
319 | ret->q = denominator; | |
320 | ||
321 | return SR_OK; | |
322 | } | |
323 | ||
324 | /** | |
325 | * Convert a numeric value value to its "natural" string representation | |
326 | * in SI units. | |
327 | * | |
328 | * E.g. a value of 3000000, with units set to "W", would be converted | |
329 | * to "3 MW", 20000 to "20 kW", 31500 would become "31.5 kW". | |
330 | * | |
331 | * @param x The value to convert. | |
332 | * @param unit The unit to append to the string, or NULL if the string | |
333 | * has no units. | |
334 | * | |
335 | * @return A newly allocated string representation of the samplerate value, | |
336 | * or NULL upon errors. The caller is responsible to g_free() the | |
337 | * memory. | |
338 | * | |
339 | * @since 0.2.0 | |
340 | */ | |
341 | SR_API char *sr_si_string_u64(uint64_t x, const char *unit) | |
342 | { | |
343 | uint8_t i; | |
344 | uint64_t quot, divisor[] = { | |
345 | SR_HZ(1), SR_KHZ(1), SR_MHZ(1), SR_GHZ(1), | |
346 | SR_GHZ(1000), SR_GHZ(1000 * 1000), SR_GHZ(1000 * 1000 * 1000), | |
347 | }; | |
348 | const char *p, prefix[] = "\0kMGTPE"; | |
349 | char fmt[16], fract[20] = "", *f; | |
350 | ||
351 | if (!unit) | |
352 | unit = ""; | |
353 | ||
354 | for (i = 0; (quot = x / divisor[i]) >= 1000; i++); | |
355 | ||
356 | if (i) { | |
357 | sprintf(fmt, ".%%0%d"PRIu64, i * 3); | |
358 | f = fract + sprintf(fract, fmt, x % divisor[i]) - 1; | |
359 | ||
360 | while (f >= fract && strchr("0.", *f)) | |
361 | *f-- = 0; | |
362 | } | |
363 | ||
364 | p = prefix + i; | |
365 | ||
366 | return g_strdup_printf("%" PRIu64 "%s %.1s%s", quot, fract, p, unit); | |
367 | } | |
368 | ||
369 | /** | |
370 | * Convert a numeric samplerate value to its "natural" string representation. | |
371 | * | |
372 | * E.g. a value of 3000000 would be converted to "3 MHz", 20000 to "20 kHz", | |
373 | * 31500 would become "31.5 kHz". | |
374 | * | |
375 | * @param samplerate The samplerate in Hz. | |
376 | * | |
377 | * @return A newly allocated string representation of the samplerate value, | |
378 | * or NULL upon errors. The caller is responsible to g_free() the | |
379 | * memory. | |
380 | * | |
381 | * @since 0.1.0 | |
382 | */ | |
383 | SR_API char *sr_samplerate_string(uint64_t samplerate) | |
384 | { | |
385 | return sr_si_string_u64(samplerate, "Hz"); | |
386 | } | |
387 | ||
388 | /** | |
389 | * Convert a numeric period value to the "natural" string representation | |
390 | * of its period value. | |
391 | * | |
392 | * The period is specified as a rational number's numerator and denominator. | |
393 | * | |
394 | * E.g. a pair of (1, 5) would be converted to "200 ms", (10, 100) to "100 ms". | |
395 | * | |
396 | * @param v_p The period numerator. | |
397 | * @param v_q The period denominator. | |
398 | * | |
399 | * @return A newly allocated string representation of the period value, | |
400 | * or NULL upon errors. The caller is responsible to g_free() the | |
401 | * memory. | |
402 | * | |
403 | * @since 0.5.0 | |
404 | */ | |
405 | SR_API char *sr_period_string(uint64_t v_p, uint64_t v_q) | |
406 | { | |
407 | double freq, v; | |
408 | int prec; | |
409 | ||
410 | freq = 1 / ((double)v_p / v_q); | |
411 | ||
412 | if (freq > SR_GHZ(1)) { | |
413 | v = (double)v_p / v_q * 1000000000000.0; | |
414 | prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3; | |
415 | return g_strdup_printf("%.*f ps", prec, v); | |
416 | } else if (freq > SR_MHZ(1)) { | |
417 | v = (double)v_p / v_q * 1000000000.0; | |
418 | prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3; | |
419 | return g_strdup_printf("%.*f ns", prec, v); | |
420 | } else if (freq > SR_KHZ(1)) { | |
421 | v = (double)v_p / v_q * 1000000.0; | |
422 | prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3; | |
423 | return g_strdup_printf("%.*f us", prec, v); | |
424 | } else if (freq > 1) { | |
425 | v = (double)v_p / v_q * 1000.0; | |
426 | prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3; | |
427 | return g_strdup_printf("%.*f ms", prec, v); | |
428 | } else { | |
429 | v = (double)v_p / v_q; | |
430 | prec = ((v - (uint64_t)v) < FLT_MIN) ? 0 : 3; | |
431 | return g_strdup_printf("%.*f s", prec, v); | |
432 | } | |
433 | } | |
434 | ||
435 | /** | |
436 | * Convert a numeric voltage value to the "natural" string representation | |
437 | * of its voltage value. The voltage is specified as a rational number's | |
438 | * numerator and denominator. | |
439 | * | |
440 | * E.g. a value of 300000 would be converted to "300mV", 2 to "2V". | |
441 | * | |
442 | * @param v_p The voltage numerator. | |
443 | * @param v_q The voltage denominator. | |
444 | * | |
445 | * @return A newly allocated string representation of the voltage value, | |
446 | * or NULL upon errors. The caller is responsible to g_free() the | |
447 | * memory. | |
448 | * | |
449 | * @since 0.2.0 | |
450 | */ | |
451 | SR_API char *sr_voltage_string(uint64_t v_p, uint64_t v_q) | |
452 | { | |
453 | if (v_q == 1000) | |
454 | return g_strdup_printf("%" PRIu64 " mV", v_p); | |
455 | else if (v_q == 1) | |
456 | return g_strdup_printf("%" PRIu64 " V", v_p); | |
457 | else | |
458 | return g_strdup_printf("%g V", (float)v_p / (float)v_q); | |
459 | } | |
460 | ||
461 | /** | |
462 | * Convert a "natural" string representation of a size value to uint64_t. | |
463 | * | |
464 | * E.g. a value of "3k" or "3 K" would be converted to 3000, a value | |
465 | * of "15M" would be converted to 15000000. | |
466 | * | |
467 | * Value representations other than decimal (such as hex or octal) are not | |
468 | * supported. Only 'k' (kilo), 'm' (mega), 'g' (giga) suffixes are supported. | |
469 | * Spaces (but not other whitespace) between value and suffix are allowed. | |
470 | * | |
471 | * @param sizestring A string containing a (decimal) size value. | |
472 | * @param size Pointer to uint64_t which will contain the string's size value. | |
473 | * | |
474 | * @return SR_OK upon success, SR_ERR upon errors. | |
475 | * | |
476 | * @since 0.1.0 | |
477 | */ | |
478 | SR_API int sr_parse_sizestring(const char *sizestring, uint64_t *size) | |
479 | { | |
480 | uint64_t multiplier; | |
481 | int done; | |
482 | double frac_part; | |
483 | char *s; | |
484 | ||
485 | *size = strtoull(sizestring, &s, 10); | |
486 | multiplier = 0; | |
487 | frac_part = 0; | |
488 | done = FALSE; | |
489 | while (s && *s && multiplier == 0 && !done) { | |
490 | switch (*s) { | |
491 | case ' ': | |
492 | break; | |
493 | case '.': | |
494 | frac_part = g_ascii_strtod(s, &s); | |
495 | break; | |
496 | case 'k': | |
497 | case 'K': | |
498 | multiplier = SR_KHZ(1); | |
499 | break; | |
500 | case 'm': | |
501 | case 'M': | |
502 | multiplier = SR_MHZ(1); | |
503 | break; | |
504 | case 'g': | |
505 | case 'G': | |
506 | multiplier = SR_GHZ(1); | |
507 | break; | |
508 | case 't': | |
509 | case 'T': | |
510 | multiplier = SR_GHZ(1000); | |
511 | break; | |
512 | case 'p': | |
513 | case 'P': | |
514 | multiplier = SR_GHZ(1000 * 1000); | |
515 | break; | |
516 | case 'e': | |
517 | case 'E': | |
518 | multiplier = SR_GHZ(1000 * 1000 * 1000); | |
519 | break; | |
520 | default: | |
521 | done = TRUE; | |
522 | s--; | |
523 | } | |
524 | s++; | |
525 | } | |
526 | if (multiplier > 0) { | |
527 | *size *= multiplier; | |
528 | *size += frac_part * multiplier; | |
529 | } else { | |
530 | *size += frac_part; | |
531 | } | |
532 | ||
533 | if (s && *s && g_ascii_strcasecmp(s, "Hz")) | |
534 | return SR_ERR; | |
535 | ||
536 | return SR_OK; | |
537 | } | |
538 | ||
539 | /** | |
540 | * Convert a "natural" string representation of a time value to an | |
541 | * uint64_t value in milliseconds. | |
542 | * | |
543 | * E.g. a value of "3s" or "3 s" would be converted to 3000, a value | |
544 | * of "15ms" would be converted to 15. | |
545 | * | |
546 | * Value representations other than decimal (such as hex or octal) are not | |
547 | * supported. Only lower-case "s" and "ms" time suffixes are supported. | |
548 | * Spaces (but not other whitespace) between value and suffix are allowed. | |
549 | * | |
550 | * @param timestring A string containing a (decimal) time value. | |
551 | * @return The string's time value as uint64_t, in milliseconds. | |
552 | * | |
553 | * @todo Add support for "m" (minutes) and others. | |
554 | * @todo Add support for picoseconds? | |
555 | * @todo Allow both lower-case and upper-case? If no, document it. | |
556 | * | |
557 | * @since 0.1.0 | |
558 | */ | |
559 | SR_API uint64_t sr_parse_timestring(const char *timestring) | |
560 | { | |
561 | uint64_t time_msec; | |
562 | char *s; | |
563 | ||
564 | /* TODO: Error handling, logging. */ | |
565 | ||
566 | time_msec = strtoull(timestring, &s, 10); | |
567 | if (time_msec == 0 && s == timestring) | |
568 | return 0; | |
569 | ||
570 | if (s && *s) { | |
571 | while (*s == ' ') | |
572 | s++; | |
573 | if (!strcmp(s, "s")) | |
574 | time_msec *= 1000; | |
575 | else if (!strcmp(s, "ms")) | |
576 | ; /* redundant */ | |
577 | else | |
578 | return 0; | |
579 | } | |
580 | ||
581 | return time_msec; | |
582 | } | |
583 | ||
584 | /** @since 0.1.0 */ | |
585 | SR_API gboolean sr_parse_boolstring(const char *boolstr) | |
586 | { | |
587 | /* | |
588 | * Complete absence of an input spec is assumed to mean TRUE, | |
589 | * as in command line option strings like this: | |
590 | * ...:samplerate=100k:header:numchannels=4:... | |
591 | */ | |
592 | if (!boolstr || !*boolstr) | |
593 | return TRUE; | |
594 | ||
595 | if (!g_ascii_strncasecmp(boolstr, "true", 4) || | |
596 | !g_ascii_strncasecmp(boolstr, "yes", 3) || | |
597 | !g_ascii_strncasecmp(boolstr, "on", 2) || | |
598 | !g_ascii_strncasecmp(boolstr, "1", 1)) | |
599 | return TRUE; | |
600 | ||
601 | return FALSE; | |
602 | } | |
603 | ||
604 | /** @since 0.2.0 */ | |
605 | SR_API int sr_parse_period(const char *periodstr, uint64_t *p, uint64_t *q) | |
606 | { | |
607 | char *s; | |
608 | ||
609 | *p = strtoull(periodstr, &s, 10); | |
610 | if (*p == 0 && s == periodstr) | |
611 | /* No digits found. */ | |
612 | return SR_ERR_ARG; | |
613 | ||
614 | if (s && *s) { | |
615 | while (*s == ' ') | |
616 | s++; | |
617 | if (!strcmp(s, "fs")) | |
618 | *q = 1000000000000000ULL; | |
619 | else if (!strcmp(s, "ps")) | |
620 | *q = 1000000000000ULL; | |
621 | else if (!strcmp(s, "ns")) | |
622 | *q = 1000000000ULL; | |
623 | else if (!strcmp(s, "us")) | |
624 | *q = 1000000; | |
625 | else if (!strcmp(s, "ms")) | |
626 | *q = 1000; | |
627 | else if (!strcmp(s, "s")) | |
628 | *q = 1; | |
629 | else | |
630 | /* Must have a time suffix. */ | |
631 | return SR_ERR_ARG; | |
632 | } | |
633 | ||
634 | return SR_OK; | |
635 | } | |
636 | ||
637 | /** @since 0.2.0 */ | |
638 | SR_API int sr_parse_voltage(const char *voltstr, uint64_t *p, uint64_t *q) | |
639 | { | |
640 | char *s; | |
641 | ||
642 | *p = strtoull(voltstr, &s, 10); | |
643 | if (*p == 0 && s == voltstr) | |
644 | /* No digits found. */ | |
645 | return SR_ERR_ARG; | |
646 | ||
647 | if (s && *s) { | |
648 | while (*s == ' ') | |
649 | s++; | |
650 | if (!g_ascii_strcasecmp(s, "mv")) | |
651 | *q = 1000L; | |
652 | else if (!g_ascii_strcasecmp(s, "v")) | |
653 | *q = 1; | |
654 | else | |
655 | /* Must have a base suffix. */ | |
656 | return SR_ERR_ARG; | |
657 | } | |
658 | ||
659 | return SR_OK; | |
660 | } | |
661 | ||
662 | /** @} */ |