[linux-2.6-block.git] / drivers / staging / speakup / varhandlers.c

#include <linux/ctype.h>
#include "spk_types.h"
#include "spk_priv.h"
#include "speakup.h"

static struct st_var_header var_headers[] = {
	{ "version", VERSION, VAR_PROC, NULL, NULL },
	{ "synth_name", SYNTH, VAR_PROC, NULL, NULL },
	{ "keymap", KEYMAP, VAR_PROC, NULL, NULL },
	{ "silent", SILENT, VAR_PROC, NULL, NULL },
	{ "punc_some", PUNC_SOME, VAR_PROC, NULL, NULL },
	{ "punc_most", PUNC_MOST, VAR_PROC, NULL, NULL },
	{ "punc_all", PUNC_ALL, VAR_PROC, NULL, NULL },
	{ "delimiters", DELIM, VAR_PROC, NULL, NULL },
	{ "repeats", REPEATS, VAR_PROC, NULL, NULL },
	{ "ex_num", EXNUMBER, VAR_PROC, NULL, NULL },
	{ "characters", CHARS, VAR_PROC, NULL, NULL },
	{ "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL },
	{ "caps_start", CAPS_START, VAR_STRING, spk_str_caps_start, NULL },
	{ "caps_stop", CAPS_STOP, VAR_STRING, spk_str_caps_stop, NULL },
	{ "delay_time", DELAY, VAR_TIME, NULL, NULL },
	{ "trigger_time", TRIGGER, VAR_TIME, NULL, NULL },
	{ "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL },
	{ "full_time", FULL, VAR_TIME, NULL, NULL },
	{ "spell_delay", SPELL_DELAY, VAR_NUM, &spk_spell_delay, NULL },
	{ "bleeps", BLEEPS, VAR_NUM, &spk_bleeps, NULL },
	{ "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &spk_attrib_bleep, NULL },
	{ "bleep_time", BLEEP_TIME, VAR_TIME, &spk_bleep_time, NULL },
	{ "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
	{ "punc_level", PUNC_LEVEL, VAR_NUM, &spk_punc_level, NULL },
	{ "reading_punc", READING_PUNC, VAR_NUM, &spk_reading_punc, NULL },
	{ "say_control", SAY_CONTROL, VAR_NUM, &spk_say_ctrl, NULL },
	{ "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &spk_say_word_ctl, NULL },
	{ "no_interrupt", NO_INTERRUPT, VAR_NUM, &spk_no_intr, NULL },
	{ "key_echo", KEY_ECHO, VAR_NUM, &spk_key_echo, NULL },
	{ "bell_pos", BELL_POS, VAR_NUM, &spk_bell_pos, NULL },
	{ "rate", RATE, VAR_NUM, NULL, NULL },
	{ "pitch", PITCH, VAR_NUM, NULL, NULL },
	{ "vol", VOL, VAR_NUM, NULL, NULL },
	{ "tone", TONE, VAR_NUM, NULL, NULL },
	{ "punct", PUNCT, VAR_NUM, NULL, NULL   },
	{ "voice", VOICE, VAR_NUM, NULL, NULL },
	{ "freq", FREQUENCY, VAR_NUM, NULL, NULL },
	{ "lang", LANG, VAR_NUM, NULL, NULL },
	{ "chartab", CHARTAB, VAR_PROC, NULL, NULL },
	{ "direct", DIRECT, VAR_NUM, NULL, NULL },
};

static struct st_var_header *var_ptrs[MAXVARS] = { NULL, NULL, NULL };

static struct punc_var_t punc_vars[] = {
	{ PUNC_SOME, 1 },
	{ PUNC_MOST, 2 },
	{ PUNC_ALL, 3 },
	{ DELIM, 4 },
	{ REPEATS, 5 },
	{ EXNUMBER, 6 },
	{ -1, -1 },
};

int spk_chartab_get_value(char *keyword)
{
	int value = 0;

	if (!strcmp(keyword, "ALPHA"))
		value = ALPHA;
	else if (!strcmp(keyword, "B_CTL"))
		value = B_CTL;
	else if (!strcmp(keyword, "WDLM"))
		value = WDLM;
	else if (!strcmp(keyword, "A_PUNC"))
		value = A_PUNC;
	else if (!strcmp(keyword, "PUNC"))
		value = PUNC;
	else if (!strcmp(keyword, "NUM"))
		value = NUM;
	else if (!strcmp(keyword, "A_CAP"))
		value = A_CAP;
	else if (!strcmp(keyword, "B_CAPSYM"))
		value = B_CAPSYM;
	else if (!strcmp(keyword, "B_SYM"))
		value = B_SYM;
	return value;
}

void speakup_register_var(struct var_t *var)
{
	static char nothing[2] = "\0";
	int i;
	struct st_var_header *p_header;

	BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS);
	if (!var_ptrs[0]) {
		for (i = 0; i < MAXVARS; i++) {
			p_header = &var_headers[i];
			var_ptrs[p_header->var_id] = p_header;
			p_header->data = NULL;
		}
	}
	p_header = var_ptrs[var->var_id];
	if (p_header->data != NULL)
		return;
	p_header->data = var;
	switch (p_header->var_type) {
	case VAR_STRING:
		spk_set_string_var(nothing, p_header, 0);
		break;
	case VAR_NUM:
	case VAR_TIME:
		spk_set_num_var(0, p_header, E_DEFAULT);
		break;
	default:
		break;
	}
}

void speakup_unregister_var(enum var_id_t var_id)
{
	struct st_var_header *p_header;

	BUG_ON(var_id < 0 || var_id >= MAXVARS);
	p_header = var_ptrs[var_id];
	p_header->data = NULL;
}

struct st_var_header *spk_get_var_header(enum var_id_t var_id)
{
	struct st_var_header *p_header;

	if (var_id < 0 || var_id >= MAXVARS)
		return NULL;
	p_header = var_ptrs[var_id];
	if (!p_header->data)
		return NULL;
	return p_header;
}

struct st_var_header *spk_var_header_by_name(const char *name)
{
	int i;

	if (!name)
		return NULL;

	for (i = 0; i < MAXVARS; i++) {
		if (strcmp(name, var_ptrs[i]->name) == 0)
			return var_ptrs[i];
	}
	return NULL;
}

struct var_t *spk_get_var(enum var_id_t var_id)
{
	BUG_ON(var_id < 0 || var_id >= MAXVARS);
	BUG_ON(!var_ptrs[var_id]);
	return var_ptrs[var_id]->data;
}
EXPORT_SYMBOL_GPL(spk_get_var);

struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
{
	struct punc_var_t *rv = NULL;
	struct punc_var_t *where;

	where = punc_vars;
	while ((where->var_id != -1) && (!rv)) {
		if (where->var_id == var_id)
			rv = where;
		else
			where++;
	}
	return rv;
}

/* handlers for setting vars */
int spk_set_num_var(int input, struct st_var_header *var, int how)
{
	int val;
	int *p_val = var->p_val;
	int l;
	char buf[32];
	char *cp;
	struct var_t *var_data = var->data;

	if (!var_data)
		return -ENODATA;

	val = var_data->u.n.value;
	switch (how) {
	case E_NEW_DEFAULT:
		if (input < var_data->u.n.low || input > var_data->u.n.high)
			return -ERANGE;
		var_data->u.n.default_val = input;
		return 0;
	case E_DEFAULT:
		val = var_data->u.n.default_val;
		break;
	case E_SET:
		val = input;
		break;
	case E_INC:
		val += input;
		break;
	case E_DEC:
		val -= input;
		break;
	}

	if (val < var_data->u.n.low || val > var_data->u.n.high)
		return -ERANGE;

	var_data->u.n.value = val;
	if (var->var_type == VAR_TIME && p_val != NULL) {
		*p_val = msecs_to_jiffies(val);
		return 0;
	}
	if (p_val != NULL)
		*p_val = val;
	if (var->var_id == PUNC_LEVEL) {
		spk_punc_mask = spk_punc_masks[val];
		return 0;
	}
	if (var_data->u.n.multiplier != 0)
		val *= var_data->u.n.multiplier;
	val += var_data->u.n.offset;
	if (var->var_id < FIRST_SYNTH_VAR || !synth)
		return 0;
	if (synth->synth_adjust)
		return synth->synth_adjust(var);

	if (!var_data->u.n.synth_fmt)
		return 0;
	if (var->var_id == PITCH)
		cp = spk_pitch_buff;
	else
		cp = buf;
	if (!var_data->u.n.out_str)
		l = sprintf(cp, var_data->u.n.synth_fmt, (int)val);
	else
		l = sprintf(cp,	var_data->u.n.synth_fmt, var_data->u.n.out_str[val]);
	synth_printf("%s", cp);
	return 0;
}

int spk_set_string_var(const char *page, struct st_var_header *var, int len)
{
	struct var_t *var_data = var->data;

	if (!var_data)
		return -ENODATA;
	if (len > MAXVARLEN)
		return -E2BIG;
	if (!len) {
		if (!var_data->u.s.default_val)
			return 0;
		if (!var->p_val)
			var->p_val = var_data->u.s.default_val;
		if (var->p_val != var_data->u.s.default_val)
			strcpy((char *)var->p_val, var_data->u.s.default_val);
		return -ERESTART;
	} else if (var->p_val)
		strcpy((char *)var->p_val, page);
	else
		return -E2BIG;
	return 0;
}

/*
 * spk_set_mask_bits sets or clears the punc/delim/repeat bits,
 * if input is null uses the defaults.
 * values for how: 0 clears bits of chars supplied,
 * 1 clears allk, 2 sets bits for chars
 */
int spk_set_mask_bits(const char *input, const int which, const int how)
{
	u_char *cp;
	short mask = spk_punc_info[which].mask;

	if (how & 1) {
		for (cp = (u_char *)spk_punc_info[3].value; *cp; cp++)
			spk_chartab[*cp] &= ~mask;
	}
	cp = (u_char *)input;
	if (!cp)
		cp = spk_punc_info[which].value;
	else {
		for (; *cp; cp++) {
			if (*cp < SPACE)
				break;
			if (mask < PUNC) {
				if (!(spk_chartab[*cp] & PUNC))
					break;
			} else if (spk_chartab[*cp] & B_NUM)
				break;
		}
		if (*cp)
			return -EINVAL;
		cp = (u_char *)input;
	}
	if (how & 2) {
		for (; *cp; cp++)
			if (*cp > SPACE)
				spk_chartab[*cp] |= mask;
	} else {
		for (; *cp; cp++)
			if (*cp > SPACE)
				spk_chartab[*cp] &= ~mask;
	}
	return 0;
}

char *spk_strlwr(char *s)
{
	char *p;

	if (!s)
		return NULL;

	for (p = s; *p; p++)
		*p = tolower(*p);
	return s;
}

char *spk_s2uchar(char *start, char *dest)
{
	int val;

	val = simple_strtoul(skip_spaces(start), &start, 10);
	if (*start == ',')
		start++;
	*dest = (u_char)val;
	return start;
}
Commit	Line	Data
c6e3fd22 WH	1	#include <linux/ctype.h>
	2	#include "spk_types.h"
	3	#include "spk_priv.h"
	4	#include "speakup.h"
	5
	6	static struct st_var_header var_headers[] = {
a1277d85 WH	7	{ "version", VERSION, VAR_PROC, NULL, NULL },
	8	{ "synth_name", SYNTH, VAR_PROC, NULL, NULL },
	9	{ "keymap", KEYMAP, VAR_PROC, NULL, NULL },
	10	{ "silent", SILENT, VAR_PROC, NULL, NULL },
	11	{ "punc_some", PUNC_SOME, VAR_PROC, NULL, NULL },
	12	{ "punc_most", PUNC_MOST, VAR_PROC, NULL, NULL },
	13	{ "punc_all", PUNC_ALL, VAR_PROC, NULL, NULL },
	14	{ "delimiters", DELIM, VAR_PROC, NULL, NULL },
	15	{ "repeats", REPEATS, VAR_PROC, NULL, NULL },
	16	{ "ex_num", EXNUMBER, VAR_PROC, NULL, NULL },
	17	{ "characters", CHARS, VAR_PROC, NULL, NULL },
	18	{ "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL },
ca2beaf8 ST	19	{ "caps_start", CAPS_START, VAR_STRING, spk_str_caps_start, NULL },
ca2beaf8 ST	20	{ "caps_stop", CAPS_STOP, VAR_STRING, spk_str_caps_stop, NULL },
a1277d85 WH	21	{ "delay_time", DELAY, VAR_TIME, NULL, NULL },
	22	{ "trigger_time", TRIGGER, VAR_TIME, NULL, NULL },
	23	{ "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL },
	24	{ "full_time", FULL, VAR_TIME, NULL, NULL },
ca2beaf8 ST	25	{ "spell_delay", SPELL_DELAY, VAR_NUM, &spk_spell_delay, NULL },
	26	{ "bleeps", BLEEPS, VAR_NUM, &spk_bleeps, NULL },
	27	{ "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &spk_attrib_bleep, NULL },
	28	{ "bleep_time", BLEEP_TIME, VAR_TIME, &spk_bleep_time, NULL },
a1277d85	29	{ "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
ca2beaf8 ST	30	{ "punc_level", PUNC_LEVEL, VAR_NUM, &spk_punc_level, NULL },
	31	{ "reading_punc", READING_PUNC, VAR_NUM, &spk_reading_punc, NULL },
	32	{ "say_control", SAY_CONTROL, VAR_NUM, &spk_say_ctrl, NULL },
	33	{ "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &spk_say_word_ctl, NULL },
	34	{ "no_interrupt", NO_INTERRUPT, VAR_NUM, &spk_no_intr, NULL },
	35	{ "key_echo", KEY_ECHO, VAR_NUM, &spk_key_echo, NULL },
	36	{ "bell_pos", BELL_POS, VAR_NUM, &spk_bell_pos, NULL },
a1277d85 WH	37	{ "rate", RATE, VAR_NUM, NULL, NULL },
	38	{ "pitch", PITCH, VAR_NUM, NULL, NULL },
	39	{ "vol", VOL, VAR_NUM, NULL, NULL },
	40	{ "tone", TONE, VAR_NUM, NULL, NULL },
	41	{ "punct", PUNCT, VAR_NUM, NULL, NULL },
	42	{ "voice", VOICE, VAR_NUM, NULL, NULL },
	43	{ "freq", FREQUENCY, VAR_NUM, NULL, NULL },
	44	{ "lang", LANG, VAR_NUM, NULL, NULL },
	45	{ "chartab", CHARTAB, VAR_PROC, NULL, NULL },
	46	{ "direct", DIRECT, VAR_NUM, NULL, NULL },
c6e3fd22 WH	47	};
c6e3fd22 WH	48
ab06e0f2	49	static struct st_var_header *var_ptrs[MAXVARS] = { NULL, NULL, NULL };
c6e3fd22 WH	50
c6e3fd22 WH	51	static struct punc_var_t punc_vars[] = {
a1277d85 WH	52	{ PUNC_SOME, 1 },
	53	{ PUNC_MOST, 2 },
	54	{ PUNC_ALL, 3 },
	55	{ DELIM, 4 },
	56	{ REPEATS, 5 },
	57	{ EXNUMBER, 6 },
	58	{ -1, -1 },
c6e3fd22 WH	59	};
c6e3fd22 WH	60
ca2beaf8	61	int spk_chartab_get_value(char *keyword)
c6e3fd22 WH	62	{
	63	int value = 0;
	64
	65	if (!strcmp(keyword, "ALPHA"))
	66	value = ALPHA;
	67	else if (!strcmp(keyword, "B_CTL"))
	68	value = B_CTL;
	69	else if (!strcmp(keyword, "WDLM"))
	70	value = WDLM;
	71	else if (!strcmp(keyword, "A_PUNC"))
	72	value = A_PUNC;
	73	else if (!strcmp(keyword, "PUNC"))
	74	value = PUNC;
	75	else if (!strcmp(keyword, "NUM"))
	76	value = NUM;
	77	else if (!strcmp(keyword, "A_CAP"))
	78	value = A_CAP;
	79	else if (!strcmp(keyword, "B_CAPSYM"))
	80	value = B_CAPSYM;
	81	else if (!strcmp(keyword, "B_SYM"))
	82	value = B_SYM;
	83	return value;
	84	}
	85
	86	void speakup_register_var(struct var_t *var)
	87	{
	88	static char nothing[2] = "\0";
	89	int i;
	90	struct st_var_header *p_header;
	91
	92	BUG_ON(!var \|\| var->var_id < 0 \|\| var->var_id >= MAXVARS);
ff52fc38	93	if (!var_ptrs[0]) {
c6e3fd22 WH	94	for (i = 0; i < MAXVARS; i++) {
	95	p_header = &var_headers[i];
	96	var_ptrs[p_header->var_id] = p_header;
	97	p_header->data = NULL;
	98	}
	99	}
	100	p_header = var_ptrs[var->var_id];
	101	if (p_header->data != NULL)
	102	return;
	103	p_header->data = var;
	104	switch (p_header->var_type) {
	105	case VAR_STRING:
ca2beaf8	106	spk_set_string_var(nothing, p_header, 0);
c6e3fd22 WH	107	break;
	108	case VAR_NUM:
	109	case VAR_TIME:
ca2beaf8	110	spk_set_num_var(0, p_header, E_DEFAULT);
c6e3fd22 WH	111	break;
	112	default:
	113	break;
	114	}
c6e3fd22 WH	115	}
	116
	117	void speakup_unregister_var(enum var_id_t var_id)
	118	{
	119	struct st_var_header *p_header;
8e69a811	120
c6e3fd22 WH	121	BUG_ON(var_id < 0 \|\| var_id >= MAXVARS);
	122	p_header = var_ptrs[var_id];
	123	p_header->data = NULL;
	124	}
	125
ca2beaf8	126	struct st_var_header *spk_get_var_header(enum var_id_t var_id)
c6e3fd22 WH	127	{
c6e3fd22 WH	128	struct st_var_header *p_header;
8e69a811	129
c6e3fd22 WH	130	if (var_id < 0 \|\| var_id >= MAXVARS)
	131	return NULL;
	132	p_header = var_ptrs[var_id];
ff52fc38	133	if (!p_header->data)
c6e3fd22 WH	134	return NULL;
	135	return p_header;
	136	}
	137
ca2beaf8	138	struct st_var_header spk_var_header_by_name(const char name)
c6e3fd22 WH	139	{
c6e3fd22 WH	140	int i;
65545eae DC	141
	142	if (!name)
	143	return NULL;
	144
	145	for (i = 0; i < MAXVARS; i++) {
	146	if (strcmp(name, var_ptrs[i]->name) == 0)
	147	return var_ptrs[i];
c6e3fd22	148	}
65545eae	149	return NULL;
c6e3fd22 WH	150	}
c6e3fd22 WH	151
ca2beaf8	152	struct var_t *spk_get_var(enum var_id_t var_id)
c6e3fd22 WH	153	{
c6e3fd22 WH	154	BUG_ON(var_id < 0 \|\| var_id >= MAXVARS);
a1277d85 WH	155	BUG_ON(!var_ptrs[var_id]);
a1277d85 WH	156	return var_ptrs[var_id]->data;
c6e3fd22	157	}
ca2beaf8	158	EXPORT_SYMBOL_GPL(spk_get_var);
c6e3fd22	159
ca2beaf8	160	struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
c6e3fd22 WH	161	{
	162	struct punc_var_t *rv = NULL;
	163	struct punc_var_t *where;
	164
	165	where = punc_vars;
ff52fc38	166	while ((where->var_id != -1) && (!rv)) {
c6e3fd22 WH	167	if (where->var_id == var_id)
	168	rv = where;
	169	else
	170	where++;
	171	}
	172	return rv;
	173	}
	174
	175	/* handlers for setting vars */
ca2beaf8	176	int spk_set_num_var(int input, struct st_var_header *var, int how)
c6e3fd22 WH	177	{
c6e3fd22 WH	178	int val;
c6e3fd22 WH	179	int *p_val = var->p_val;
	180	int l;
	181	char buf[32];
	182	char *cp;
	183	struct var_t *var_data = var->data;
6a48f88b	184
ff52fc38	185	if (!var_data)
6a48f88b	186	return -ENODATA;
c6e3fd22	187
d86b4a71 SS	188	val = var_data->u.n.value;
	189	switch (how) {
	190	case E_NEW_DEFAULT:
c6e3fd22	191	if (input < var_data->u.n.low \|\| input > var_data->u.n.high)
6a48f88b AS	192	return -ERANGE;
	193	var_data->u.n.default_val = input;
	194	return 0;
d86b4a71	195	case E_DEFAULT:
c6e3fd22	196	val = var_data->u.n.default_val;
d86b4a71 SS	197	break;
	198	case E_SET:
	199	val = input;
	200	break;
	201	case E_INC:
	202	val += input;
	203	break;
	204	case E_DEC:
	205	val -= input;
	206	break;
c6e3fd22	207	}
d86b4a71 SS	208
	209	if (val < var_data->u.n.low \|\| val > var_data->u.n.high)
	210	return -ERANGE;
	211
c6e3fd22 WH	212	var_data->u.n.value = val;
	213	if (var->var_type == VAR_TIME && p_val != NULL) {
	214	*p_val = msecs_to_jiffies(val);
d86b4a71	215	return 0;
c6e3fd22 WH	216	}
	217	if (p_val != NULL)
	218	*p_val = val;
	219	if (var->var_id == PUNC_LEVEL) {
ca2beaf8	220	spk_punc_mask = spk_punc_masks[val];
d86b4a71	221	return 0;
c6e3fd22 WH	222	}
	223	if (var_data->u.n.multiplier != 0)
	224	val *= var_data->u.n.multiplier;
	225	val += var_data->u.n.offset;
ff52fc38	226	if (var->var_id < FIRST_SYNTH_VAR \|\| !synth)
d86b4a71 SS	227	return 0;
	228	if (synth->synth_adjust)
	229	return synth->synth_adjust(var);
1a9c77d8	230
c6e3fd22	231	if (!var_data->u.n.synth_fmt)
d86b4a71	232	return 0;
c6e3fd22	233	if (var->var_id == PITCH)
ca2beaf8	234	cp = spk_pitch_buff;
c6e3fd22 WH	235	else
	236	cp = buf;
	237	if (!var_data->u.n.out_str)
	238	l = sprintf(cp, var_data->u.n.synth_fmt, (int)val);
	239	else
9eca657f	240	l = sprintf(cp, var_data->u.n.synth_fmt, var_data->u.n.out_str[val]);
c6e3fd22	241	synth_printf("%s", cp);
d86b4a71	242	return 0;
c6e3fd22 WH	243	}
c6e3fd22 WH	244
ca2beaf8	245	int spk_set_string_var(const char page, struct st_var_header var, int len)
c6e3fd22	246	{
c6e3fd22	247	struct var_t *var_data = var->data;
6a48f88b	248
ff52fc38	249	if (!var_data)
6a48f88b	250	return -ENODATA;
c6e3fd22	251	if (len > MAXVARLEN)
6a48f88b	252	return -E2BIG;
c6e3fd22	253	if (!len) {
a1277d85 WH	254	if (!var_data->u.s.default_val)
a1277d85 WH	255	return 0;
c6e3fd22 WH	256	if (!var->p_val)
	257	var->p_val = var_data->u.s.default_val;
	258	if (var->p_val != var_data->u.s.default_val)
	259	strcpy((char *)var->p_val, var_data->u.s.default_val);
6a48f88b	260	return -ERESTART;
a1277d85 WH	261	} else if (var->p_val)
a1277d85 WH	262	strcpy((char *)var->p_val, page);
c6e3fd22	263	else
6a48f88b AS	264	return -E2BIG;
6a48f88b AS	265	return 0;
c6e3fd22 WH	266	}
c6e3fd22 WH	267
26ce8a4f WF	268	/*
26ce8a4f WF	269	* spk_set_mask_bits sets or clears the punc/delim/repeat bits,
c6e3fd22 WH	270	* if input is null uses the defaults.
c6e3fd22 WH	271	* values for how: 0 clears bits of chars supplied,
13d825ed AF	272	* 1 clears allk, 2 sets bits for chars
13d825ed AF	273	*/
ca2beaf8	274	int spk_set_mask_bits(const char *input, const int which, const int how)
c6e3fd22 WH	275	{
c6e3fd22 WH	276	u_char *cp;
ca2beaf8	277	short mask = spk_punc_info[which].mask;
8e69a811	278
114c9ec2	279	if (how & 1) {
ca2beaf8	280	for (cp = (u_char )spk_punc_info[3].value; cp; cp++)
c6e3fd22 WH	281	spk_chartab[*cp] &= ~mask;
	282	}
	283	cp = (u_char *)input;
15ab600c	284	if (!cp)
ca2beaf8	285	cp = spk_punc_info[which].value;
c6e3fd22	286	else {
1f2a55f2	287	for (; *cp; cp++) {
c6e3fd22 WH	288	if (*cp < SPACE)
	289	break;
	290	if (mask < PUNC) {
ff52fc38	291	if (!(spk_chartab[*cp] & PUNC))
c6e3fd22	292	break;
114c9ec2	293	} else if (spk_chartab[*cp] & B_NUM)
c6e3fd22 WH	294	break;
	295	}
	296	if (*cp)
	297	return -EINVAL;
	298	cp = (u_char *)input;
	299	}
114c9ec2	300	if (how & 2) {
1f2a55f2	301	for (; *cp; cp++)
c6e3fd22 WH	302	if (*cp > SPACE)
	303	spk_chartab[*cp] \|= mask;
	304	} else {
1f2a55f2	305	for (; *cp; cp++)
c6e3fd22 WH	306	if (*cp > SPACE)
	307	spk_chartab[*cp] &= ~mask;
	308	}
	309	return 0;
	310	}
	311
ca2beaf8	312	char spk_strlwr(char s)
c6e3fd22 WH	313	{
c6e3fd22 WH	314	char *p;
8e69a811	315
ff52fc38	316	if (!s)
c6e3fd22 WH	317	return NULL;
	318
	319	for (p = s; *p; p++)
	320	p = tolower(p);
	321	return s;
	322	}
	323
ca2beaf8	324	char spk_s2uchar(char start, char *dest)
c6e3fd22	325	{
b62c535c	326	int val;
8e69a811	327
1627ab92	328	val = simple_strtoul(skip_spaces(start), &start, 10);
c6e3fd22 WH	329	if (*start == ',')
	330	start++;
	331	*dest = (u_char)val;
	332	return start;
	333	}