345 lines
8.2 KiB
C
345 lines
8.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <linux/ctype.h>
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#include "spk_types.h"
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#include "spk_priv.h"
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#include "speakup.h"
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static struct st_var_header var_headers[] = {
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{ "version", VERSION, VAR_PROC, NULL, NULL },
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{ "synth_name", SYNTH, VAR_PROC, NULL, NULL },
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{ "keymap", KEYMAP, VAR_PROC, NULL, NULL },
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{ "silent", SILENT, VAR_PROC, NULL, NULL },
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{ "punc_some", PUNC_SOME, VAR_PROC, NULL, NULL },
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{ "punc_most", PUNC_MOST, VAR_PROC, NULL, NULL },
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{ "punc_all", PUNC_ALL, VAR_PROC, NULL, NULL },
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{ "delimiters", DELIM, VAR_PROC, NULL, NULL },
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{ "repeats", REPEATS, VAR_PROC, NULL, NULL },
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{ "ex_num", EXNUMBER, VAR_PROC, NULL, NULL },
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{ "characters", CHARS, VAR_PROC, NULL, NULL },
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{ "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL },
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{ "caps_start", CAPS_START, VAR_STRING, spk_str_caps_start, NULL },
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{ "caps_stop", CAPS_STOP, VAR_STRING, spk_str_caps_stop, NULL },
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{ "delay_time", DELAY, VAR_TIME, NULL, NULL },
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{ "trigger_time", TRIGGER, VAR_TIME, NULL, NULL },
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{ "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL },
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{ "full_time", FULL, VAR_TIME, NULL, NULL },
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{ "flush_time", FLUSH, VAR_TIME, NULL, NULL },
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{ "spell_delay", SPELL_DELAY, VAR_NUM, &spk_spell_delay, NULL },
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{ "bleeps", BLEEPS, VAR_NUM, &spk_bleeps, NULL },
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{ "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &spk_attrib_bleep, NULL },
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{ "bleep_time", BLEEP_TIME, VAR_TIME, &spk_bleep_time, NULL },
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{ "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
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{ "punc_level", PUNC_LEVEL, VAR_NUM, &spk_punc_level, NULL },
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{ "reading_punc", READING_PUNC, VAR_NUM, &spk_reading_punc, NULL },
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{ "say_control", SAY_CONTROL, VAR_NUM, &spk_say_ctrl, NULL },
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{ "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &spk_say_word_ctl, NULL },
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{ "no_interrupt", NO_INTERRUPT, VAR_NUM, &spk_no_intr, NULL },
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{ "key_echo", KEY_ECHO, VAR_NUM, &spk_key_echo, NULL },
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{ "bell_pos", BELL_POS, VAR_NUM, &spk_bell_pos, NULL },
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{ "rate", RATE, VAR_NUM, NULL, NULL },
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{ "pitch", PITCH, VAR_NUM, NULL, NULL },
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{ "inflection", INFLECTION, VAR_NUM, NULL, NULL },
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{ "vol", VOL, VAR_NUM, NULL, NULL },
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{ "tone", TONE, VAR_NUM, NULL, NULL },
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{ "punct", PUNCT, VAR_NUM, NULL, NULL },
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{ "voice", VOICE, VAR_NUM, NULL, NULL },
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{ "freq", FREQUENCY, VAR_NUM, NULL, NULL },
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{ "lang", LANG, VAR_NUM, NULL, NULL },
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{ "chartab", CHARTAB, VAR_PROC, NULL, NULL },
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{ "direct", DIRECT, VAR_NUM, NULL, NULL },
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{ "pause", PAUSE, VAR_STRING, spk_str_pause, NULL },
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};
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static struct st_var_header *var_ptrs[MAXVARS] = { NULL, NULL, NULL };
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static struct punc_var_t punc_vars[] = {
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{ PUNC_SOME, 1 },
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{ PUNC_MOST, 2 },
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{ PUNC_ALL, 3 },
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{ DELIM, 4 },
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{ REPEATS, 5 },
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{ EXNUMBER, 6 },
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{ -1, -1 },
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};
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int spk_chartab_get_value(char *keyword)
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{
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int value = 0;
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if (!strcmp(keyword, "ALPHA"))
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value = ALPHA;
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else if (!strcmp(keyword, "B_CTL"))
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value = B_CTL;
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else if (!strcmp(keyword, "WDLM"))
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value = WDLM;
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else if (!strcmp(keyword, "A_PUNC"))
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value = A_PUNC;
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else if (!strcmp(keyword, "PUNC"))
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value = PUNC;
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else if (!strcmp(keyword, "NUM"))
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value = NUM;
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else if (!strcmp(keyword, "A_CAP"))
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value = A_CAP;
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else if (!strcmp(keyword, "B_CAPSYM"))
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value = B_CAPSYM;
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else if (!strcmp(keyword, "B_SYM"))
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value = B_SYM;
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return value;
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}
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void speakup_register_var(struct var_t *var)
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{
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static char nothing[2] = "\0";
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int i;
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struct st_var_header *p_header;
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BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS);
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if (!var_ptrs[0]) {
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for (i = 0; i < MAXVARS; i++) {
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p_header = &var_headers[i];
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var_ptrs[p_header->var_id] = p_header;
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p_header->data = NULL;
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}
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}
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p_header = var_ptrs[var->var_id];
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if (p_header->data)
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return;
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p_header->data = var;
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switch (p_header->var_type) {
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case VAR_STRING:
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spk_set_string_var(nothing, p_header, 0);
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break;
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case VAR_NUM:
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case VAR_TIME:
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spk_set_num_var(0, p_header, E_DEFAULT);
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break;
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default:
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break;
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}
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}
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void speakup_unregister_var(enum var_id_t var_id)
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{
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struct st_var_header *p_header;
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BUG_ON(var_id < 0 || var_id >= MAXVARS);
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p_header = var_ptrs[var_id];
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p_header->data = NULL;
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}
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struct st_var_header *spk_get_var_header(enum var_id_t var_id)
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{
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struct st_var_header *p_header;
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if (var_id < 0 || var_id >= MAXVARS)
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return NULL;
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p_header = var_ptrs[var_id];
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if (!p_header->data)
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return NULL;
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return p_header;
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}
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EXPORT_SYMBOL_GPL(spk_get_var_header);
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struct st_var_header *spk_var_header_by_name(const char *name)
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{
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int i;
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if (!name)
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return NULL;
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for (i = 0; i < MAXVARS; i++) {
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if (strcmp(name, var_ptrs[i]->name) == 0)
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return var_ptrs[i];
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}
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return NULL;
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}
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struct var_t *spk_get_var(enum var_id_t var_id)
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{
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BUG_ON(var_id < 0 || var_id >= MAXVARS);
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BUG_ON(!var_ptrs[var_id]);
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return var_ptrs[var_id]->data;
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}
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EXPORT_SYMBOL_GPL(spk_get_var);
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struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
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{
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struct punc_var_t *rv = NULL;
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struct punc_var_t *where;
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where = punc_vars;
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while ((where->var_id != -1) && (!rv)) {
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if (where->var_id == var_id)
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rv = where;
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else
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where++;
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}
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return rv;
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}
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/* handlers for setting vars */
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int spk_set_num_var(int input, struct st_var_header *var, int how)
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{
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int val;
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int *p_val = var->p_val;
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char buf[32];
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char *cp;
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struct var_t *var_data = var->data;
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if (!var_data)
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return -ENODATA;
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val = var_data->u.n.value;
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switch (how) {
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case E_NEW_DEFAULT:
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if (input < var_data->u.n.low || input > var_data->u.n.high)
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return -ERANGE;
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var_data->u.n.default_val = input;
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return 0;
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case E_DEFAULT:
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val = var_data->u.n.default_val;
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break;
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case E_SET:
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val = input;
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break;
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case E_INC:
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val += input;
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break;
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case E_DEC:
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val -= input;
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break;
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}
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if (val < var_data->u.n.low || val > var_data->u.n.high)
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return -ERANGE;
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var_data->u.n.value = val;
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if (var->var_type == VAR_TIME && p_val) {
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*p_val = msecs_to_jiffies(val);
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return 0;
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}
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if (p_val)
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*p_val = val;
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if (var->var_id == PUNC_LEVEL) {
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spk_punc_mask = spk_punc_masks[val];
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}
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if (var_data->u.n.multiplier != 0)
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val *= var_data->u.n.multiplier;
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val += var_data->u.n.offset;
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if (!synth)
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return 0;
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if (synth->synth_adjust && synth->synth_adjust(synth, var))
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return 0;
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if (var->var_id < FIRST_SYNTH_VAR)
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return 0;
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if (!var_data->u.n.synth_fmt)
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return 0;
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if (var->var_id == PITCH)
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cp = spk_pitch_buff;
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else
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cp = buf;
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if (!var_data->u.n.out_str)
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sprintf(cp, var_data->u.n.synth_fmt, (int)val);
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else
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sprintf(cp, var_data->u.n.synth_fmt,
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var_data->u.n.out_str[val]);
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synth_printf("%s", cp);
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return 0;
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}
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EXPORT_SYMBOL_GPL(spk_set_num_var);
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int spk_set_string_var(const char *page, struct st_var_header *var, int len)
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{
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struct var_t *var_data = var->data;
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if (!var_data)
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return -ENODATA;
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if (len > MAXVARLEN)
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return -E2BIG;
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if (!len) {
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if (!var_data->u.s.default_val)
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return 0;
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if (!var->p_val)
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var->p_val = var_data->u.s.default_val;
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if (var->p_val != var_data->u.s.default_val)
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strcpy((char *)var->p_val, var_data->u.s.default_val);
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return -ERESTART;
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} else if (var->p_val) {
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strcpy((char *)var->p_val, page);
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} else {
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return -E2BIG;
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}
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return 0;
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}
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/*
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* spk_set_mask_bits sets or clears the punc/delim/repeat bits,
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* if input is null uses the defaults.
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* values for how: 0 clears bits of chars supplied,
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* 1 clears allk, 2 sets bits for chars
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*/
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int spk_set_mask_bits(const char *input, const int which, const int how)
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{
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u_char *cp;
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short mask = spk_punc_info[which].mask;
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if (how & 1) {
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for (cp = (u_char *)spk_punc_info[3].value; *cp; cp++)
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spk_chartab[*cp] &= ~mask;
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}
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cp = (u_char *)input;
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if (!cp) {
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cp = spk_punc_info[which].value;
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} else {
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for (; *cp; cp++) {
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if (*cp < SPACE)
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break;
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if (mask < PUNC) {
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if (!(spk_chartab[*cp] & PUNC))
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break;
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} else if (spk_chartab[*cp] & B_NUM) {
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break;
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}
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}
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if (*cp)
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return -EINVAL;
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cp = (u_char *)input;
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}
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if (how & 2) {
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for (; *cp; cp++)
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if (*cp > SPACE)
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spk_chartab[*cp] |= mask;
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} else {
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for (; *cp; cp++)
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if (*cp > SPACE)
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spk_chartab[*cp] &= ~mask;
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}
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return 0;
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}
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char *spk_strlwr(char *s)
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{
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char *p;
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if (!s)
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return NULL;
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for (p = s; *p; p++)
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*p = tolower(*p);
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return s;
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}
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char *spk_s2uchar(char *start, char *dest)
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{
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int val;
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/* Do not replace with kstrtoul: here we need start to be updated */
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val = simple_strtoul(skip_spaces(start), &start, 10);
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if (*start == ',')
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start++;
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*dest = (u_char)val;
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return start;
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}
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