--- /dev/null
+/*
+ * Speakup kobject implementation
+ *
+ * Copyright (C) 2009 William Hubbs
+ *
+ * This code is based on kobject-example.c, which came with linux 2.6.x.
+ *
+ * Copyright (C) 2004-2007 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2007 Novell Inc.
+ *
+ * Released under the GPL version 2 only.
+ *
+ */
+#include <linux/slab.h> /* For kmalloc. */
+#include <linux/kernel.h>
+#include <linux/kobject.h>
+#include <linux/string.h>
+#include <linux/string_helpers.h>
+#include <linux/sysfs.h>
+#include <linux/ctype.h>
+
+#include "speakup.h"
+#include "spk_priv.h"
+
+/*
+ * This is called when a user reads the characters or chartab sys file.
+ */
+static ssize_t chars_chartab_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ int i;
+ int len = 0;
+ char *cp;
+ char *buf_pointer = buf;
+ size_t bufsize = PAGE_SIZE;
+ unsigned long flags;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ *buf_pointer = '\0';
+ for (i = 0; i < 256; i++) {
+ if (bufsize <= 1)
+ break;
+ if (strcmp("characters", attr->attr.name) == 0) {
+ len = scnprintf(buf_pointer, bufsize, "%d\t%s\n",
+ i, spk_characters[i]);
+ } else { /* show chartab entry */
+ if (IS_TYPE(i, B_CTL))
+ cp = "B_CTL";
+ else if (IS_TYPE(i, WDLM))
+ cp = "WDLM";
+ else if (IS_TYPE(i, A_PUNC))
+ cp = "A_PUNC";
+ else if (IS_TYPE(i, PUNC))
+ cp = "PUNC";
+ else if (IS_TYPE(i, NUM))
+ cp = "NUM";
+ else if (IS_TYPE(i, A_CAP))
+ cp = "A_CAP";
+ else if (IS_TYPE(i, ALPHA))
+ cp = "ALPHA";
+ else if (IS_TYPE(i, B_CAPSYM))
+ cp = "B_CAPSYM";
+ else if (IS_TYPE(i, B_SYM))
+ cp = "B_SYM";
+ else
+ cp = "0";
+ len =
+ scnprintf(buf_pointer, bufsize, "%d\t%s\n", i, cp);
+ }
+ bufsize -= len;
+ buf_pointer += len;
+ }
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return buf_pointer - buf;
+}
+
+/*
+ * Print informational messages or warnings after updating
+ * character descriptions or chartab entries.
+ */
+static void report_char_chartab_status(int reset, int received, int used,
+ int rejected, int do_characters)
+{
+ static char const *object_type[] = {
+ "character class entries",
+ "character descriptions",
+ };
+ int len;
+ char buf[80];
+
+ if (reset) {
+ pr_info("%s reset to defaults\n", object_type[do_characters]);
+ } else if (received) {
+ len = snprintf(buf, sizeof(buf),
+ " updated %d of %d %s\n",
+ used, received, object_type[do_characters]);
+ if (rejected)
+ snprintf(buf + (len - 1), sizeof(buf) - (len - 1),
+ " with %d reject%s\n",
+ rejected, rejected > 1 ? "s" : "");
+ printk(buf);
+ }
+}
+
+/*
+ * This is called when a user changes the characters or chartab parameters.
+ */
+static ssize_t chars_chartab_store(struct kobject *kobj,
+ struct kobj_attribute *attr, const char *buf, size_t count)
+{
+ char *cp = (char *) buf;
+ char *end = cp + count; /* the null at the end of the buffer */
+ char *linefeed = NULL;
+ char keyword[MAX_DESC_LEN + 1];
+ char *outptr = NULL; /* Will hold keyword or desc. */
+ char *temp = NULL;
+ char *desc = NULL;
+ ssize_t retval = count;
+ unsigned long flags;
+ unsigned long index = 0;
+ int charclass = 0;
+ int received = 0;
+ int used = 0;
+ int rejected = 0;
+ int reset = 0;
+ int do_characters = !strcmp(attr->attr.name, "characters");
+ size_t desc_length = 0;
+ int i;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ while (cp < end) {
+
+ while ((cp < end) && (*cp == ' ' || *cp == '\t'))
+ cp++;
+
+ if (cp == end)
+ break;
+ if ((*cp == '\n') || strchr("dDrR", *cp)) {
+ reset = 1;
+ break;
+ }
+ received++;
+
+ linefeed = strchr(cp, '\n');
+ if (!linefeed) {
+ rejected++;
+ break;
+ }
+
+ if (!isdigit(*cp)) {
+ rejected++;
+ cp = linefeed + 1;
+ continue;
+ }
+
+ index = simple_strtoul(cp, &temp, 10);
+ if (index > 255) {
+ rejected++;
+ cp = linefeed + 1;
+ continue;
+ }
+
+ while ((temp < linefeed) && (*temp == ' ' || *temp == '\t'))
+ temp++;
+
+ desc_length = linefeed - temp;
+ if (desc_length > MAX_DESC_LEN) {
+ rejected++;
+ cp = linefeed + 1;
+ continue;
+ }
+ if (do_characters) {
+ desc = kmalloc(desc_length + 1, GFP_ATOMIC);
+ if (!desc) {
+ retval = -ENOMEM;
+ reset = 1; /* just reset on error. */
+ break;
+ }
+ outptr = desc;
+ } else {
+ outptr = keyword;
+ }
+
+ for (i = 0; i < desc_length; i++)
+ outptr[i] = temp[i];
+ outptr[desc_length] = '\0';
+
+ if (do_characters) {
+ if (spk_characters[index] != spk_default_chars[index])
+ kfree(spk_characters[index]);
+ spk_characters[index] = desc;
+ used++;
+ } else {
+ charclass = spk_chartab_get_value(keyword);
+ if (charclass == 0) {
+ rejected++;
+ cp = linefeed + 1;
+ continue;
+ }
+ if (charclass != spk_chartab[index]) {
+ spk_chartab[index] = charclass;
+ used++;
+ }
+ }
+ cp = linefeed + 1;
+ }
+
+ if (reset) {
+ if (do_characters)
+ spk_reset_default_chars();
+ else
+ spk_reset_default_chartab();
+ }
+
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ report_char_chartab_status(reset, received, used, rejected,
+ do_characters);
+ return retval;
+}
+
+/*
+ * This is called when a user reads the keymap parameter.
+ */
+static ssize_t keymap_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ char *cp = buf;
+ int i;
+ int n;
+ int num_keys;
+ int nstates;
+ u_char *cp1;
+ u_char ch;
+ unsigned long flags;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ cp1 = spk_key_buf + SHIFT_TBL_SIZE;
+ num_keys = (int)(*cp1);
+ nstates = (int)cp1[1];
+ cp += sprintf(cp, "%d, %d, %d,\n", KEY_MAP_VER, num_keys, nstates);
+ cp1 += 2; /* now pointing at shift states */
+ /* dump num_keys+1 as first row is shift states + flags,
+ * each subsequent row is key + states */
+ for (n = 0; n <= num_keys; n++) {
+ for (i = 0; i <= nstates; i++) {
+ ch = *cp1++;
+ cp += sprintf(cp, "%d,", (int)ch);
+ *cp++ = (i < nstates) ? SPACE : '\n';
+ }
+ }
+ cp += sprintf(cp, "0, %d\n", KEY_MAP_VER);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return (int)(cp-buf);
+}
+
+/*
+ * This is called when a user changes the keymap parameter.
+ */
+static ssize_t keymap_store(struct kobject *kobj, struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ int i;
+ ssize_t ret = count;
+ char *in_buff = NULL;
+ char *cp;
+ u_char *cp1;
+ unsigned long flags;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ in_buff = kmemdup(buf, count + 1, GFP_ATOMIC);
+ if (!in_buff) {
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return -ENOMEM;
+ }
+ if (strchr("dDrR", *in_buff)) {
+ spk_set_key_info(spk_key_defaults, spk_key_buf);
+ pr_info("keymap set to default values\n");
+ kfree(in_buff);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return count;
+ }
+ if (in_buff[count - 1] == '\n')
+ in_buff[count - 1] = '\0';
+ cp = in_buff;
+ cp1 = (u_char *)in_buff;
+ for (i = 0; i < 3; i++) {
+ cp = spk_s2uchar(cp, cp1);
+ cp1++;
+ }
+ i = (int)cp1[-2]+1;
+ i *= (int)cp1[-1]+1;
+ i += 2; /* 0 and last map ver */
+ if (cp1[-3] != KEY_MAP_VER || cp1[-1] > 10 ||
+ i+SHIFT_TBL_SIZE+4 >= sizeof(spk_key_buf)) {
+ pr_warn("i %d %d %d %d\n", i,
+ (int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
+ kfree(in_buff);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return -EINVAL;
+ }
+ while (--i >= 0) {
+ cp = spk_s2uchar(cp, cp1);
+ cp1++;
+ if (!(*cp))
+ break;
+ }
+ if (i != 0 || cp1[-1] != KEY_MAP_VER || cp1[-2] != 0) {
+ ret = -EINVAL;
+ pr_warn("end %d %d %d %d\n", i,
+ (int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
+ } else {
+ if (spk_set_key_info(in_buff, spk_key_buf)) {
+ spk_set_key_info(spk_key_defaults, spk_key_buf);
+ ret = -EINVAL;
+ pr_warn("set key failed\n");
+ }
+ }
+ kfree(in_buff);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return ret;
+}
+
+/*
+ * This is called when a user changes the value of the silent parameter.
+ */
+static ssize_t silent_store(struct kobject *kobj, struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ int len;
+ struct vc_data *vc = vc_cons[fg_console].d;
+ char ch = 0;
+ char shut;
+ unsigned long flags;
+
+ len = strlen(buf);
+ if (len > 0 && len < 3) {
+ ch = buf[0];
+ if (ch == '\n')
+ ch = '0';
+ }
+ if (ch < '0' || ch > '7') {
+ pr_warn("silent value '%c' not in range (0,7)\n", ch);
+ return -EINVAL;
+ }
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ if (ch&2) {
+ shut = 1;
+ spk_do_flush();
+ } else {
+ shut = 0;
+ }
+ if (ch&4)
+ shut |= 0x40;
+ if (ch&1)
+ spk_shut_up |= shut;
+ else
+ spk_shut_up &= ~shut;
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return count;
+}
+
+/*
+ * This is called when a user reads the synth setting.
+ */
+static ssize_t synth_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ int rv;
+
+ if (synth == NULL)
+ rv = sprintf(buf, "%s\n", "none");
+ else
+ rv = sprintf(buf, "%s\n", synth->name);
+ return rv;
+}
+
+/*
+ * This is called when a user requests to change synthesizers.
+ */
+static ssize_t synth_store(struct kobject *kobj, struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ int len;
+ char new_synth_name[10];
+
+ len = strlen(buf);
+ if (len < 2 || len > 9)
+ return -EINVAL;
+ strncpy(new_synth_name, buf, len);
+ if (new_synth_name[len - 1] == '\n')
+ len--;
+ new_synth_name[len] = '\0';
+ spk_strlwr(new_synth_name);
+ if ((synth != NULL) && (!strcmp(new_synth_name, synth->name))) {
+ pr_warn("%s already in use\n", new_synth_name);
+ } else if (synth_init(new_synth_name) != 0) {
+ pr_warn("failed to init synth %s\n", new_synth_name);
+ return -ENODEV;
+ }
+ return count;
+}
+
+/*
+ * This is called when text is sent to the synth via the synth_direct file.
+ */
+static ssize_t synth_direct_store(struct kobject *kobj,
+ struct kobj_attribute *attr, const char *buf, size_t count)
+{
+ u_char tmp[256];
+ int len;
+ int bytes;
+ const char *ptr = buf;
+
+ if (!synth)
+ return -EPERM;
+
+ len = strlen(buf);
+ while (len > 0) {
+ bytes = min_t(size_t, len, 250);
+ strncpy(tmp, ptr, bytes);
+ tmp[bytes] = '\0';
+ string_unescape_any_inplace(tmp);
+ synth_printf("%s", tmp);
+ ptr += bytes;
+ len -= bytes;
+ }
+ return count;
+}
+
+/*
+ * This function is called when a user reads the version.
+ */
+static ssize_t version_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ char *cp;
+
+ cp = buf;
+ cp += sprintf(cp, "Speakup version %s\n", SPEAKUP_VERSION);
+ if (synth)
+ cp += sprintf(cp, "%s synthesizer driver version %s\n",
+ synth->name, synth->version);
+ return cp - buf;
+}
+
+/*
+ * This is called when a user reads the punctuation settings.
+ */
+static ssize_t punc_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ int i;
+ char *cp = buf;
+ struct st_var_header *p_header;
+ struct punc_var_t *var;
+ struct st_bits_data *pb;
+ short mask;
+ unsigned long flags;
+
+ p_header = spk_var_header_by_name(attr->attr.name);
+ if (p_header == NULL) {
+ pr_warn("p_header is null, attr->attr.name is %s\n",
+ attr->attr.name);
+ return -EINVAL;
+ }
+
+ var = spk_get_punc_var(p_header->var_id);
+ if (var == NULL) {
+ pr_warn("var is null, p_header->var_id is %i\n",
+ p_header->var_id);
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ pb = (struct st_bits_data *) &spk_punc_info[var->value];
+ mask = pb->mask;
+ for (i = 33; i < 128; i++) {
+ if (!(spk_chartab[i]&mask))
+ continue;
+ *cp++ = (char)i;
+ }
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return cp-buf;
+}
+
+/*
+ * This is called when a user changes the punctuation settings.
+ */
+static ssize_t punc_store(struct kobject *kobj, struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ int x;
+ struct st_var_header *p_header;
+ struct punc_var_t *var;
+ char punc_buf[100];
+ unsigned long flags;
+
+ x = strlen(buf);
+ if (x < 1 || x > 99)
+ return -EINVAL;
+
+ p_header = spk_var_header_by_name(attr->attr.name);
+ if (p_header == NULL) {
+ pr_warn("p_header is null, attr->attr.name is %s\n",
+ attr->attr.name);
+ return -EINVAL;
+ }
+
+ var = spk_get_punc_var(p_header->var_id);
+ if (var == NULL) {
+ pr_warn("var is null, p_header->var_id is %i\n",
+ p_header->var_id);
+ return -EINVAL;
+ }
+
+ strncpy(punc_buf, buf, x);
+
+ while (x && punc_buf[x - 1] == '\n')
+ x--;
+ punc_buf[x] = '\0';
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+
+ if (*punc_buf == 'd' || *punc_buf == 'r')
+ x = spk_set_mask_bits(NULL, var->value, 3);
+ else
+ x = spk_set_mask_bits(punc_buf, var->value, 3);
+
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return count;
+}
+
+/*
+ * This function is called when a user reads one of the variable parameters.
+ */
+ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ int rv = 0;
+ struct st_var_header *param;
+ struct var_t *var;
+ char *cp1;
+ char *cp;
+ char ch;
+ unsigned long flags;
+
+ param = spk_var_header_by_name(attr->attr.name);
+ if (param == NULL)
+ return -EINVAL;
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ var = (struct var_t *) param->data;
+ switch (param->var_type) {
+ case VAR_NUM:
+ case VAR_TIME:
+ if (var)
+ rv = sprintf(buf, "%i\n", var->u.n.value);
+ else
+ rv = sprintf(buf, "0\n");
+ break;
+ case VAR_STRING:
+ if (var) {
+ cp1 = buf;
+ *cp1++ = '"';
+ for (cp = (char *)param->p_val; (ch = *cp); cp++) {
+ if (ch >= ' ' && ch < '~')
+ *cp1++ = ch;
+ else
+ cp1 += sprintf(cp1, "\\x%02x", ch);
+ }
+ *cp1++ = '"';
+ *cp1++ = '\n';
+ *cp1 = '\0';
+ rv = cp1-buf;
+ } else {
+ rv = sprintf(buf, "\"\"\n");
+ }
+ break;
+ default:
+ rv = sprintf(buf, "Bad parameter %s, type %i\n",
+ param->name, param->var_type);
+ break;
+ }
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return rv;
+}
+EXPORT_SYMBOL_GPL(spk_var_show);
+
+/*
+ * Used to reset either default_pitch or default_vol.
+ */
+static inline void spk_reset_default_value(char *header_name,
+ int *synth_default_value, int idx)
+{
+ struct st_var_header *param;
+
+ if (synth && synth_default_value) {
+ param = spk_var_header_by_name(header_name);
+ if (param) {
+ spk_set_num_var(synth_default_value[idx],
+ param, E_NEW_DEFAULT);
+ spk_set_num_var(0, param, E_DEFAULT);
+ pr_info("%s reset to default value\n", param->name);
+ }
+ }
+}
+
+/*
+ * This function is called when a user echos a value to one of the
+ * variable parameters.
+ */
+ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct st_var_header *param;
+ int ret;
+ int len;
+ char *cp;
+ struct var_t *var_data;
+ long value;
+ unsigned long flags;
+
+ param = spk_var_header_by_name(attr->attr.name);
+ if (param == NULL)
+ return -EINVAL;
+ if (param->data == NULL)
+ return 0;
+ ret = 0;
+ cp = (char *)buf;
+ string_unescape_any_inplace(cp);
+
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ switch (param->var_type) {
+ case VAR_NUM:
+ case VAR_TIME:
+ if (*cp == 'd' || *cp == 'r' || *cp == '\0')
+ len = E_DEFAULT;
+ else if (*cp == '+' || *cp == '-')
+ len = E_INC;
+ else
+ len = E_SET;
+ if (kstrtol(cp, 10, &value) == 0)
+ ret = spk_set_num_var(value, param, len);
+ else
+ pr_warn("overflow or parsing error has occurred");
+ if (ret == -ERANGE) {
+ var_data = param->data;
+ pr_warn("value for %s out of range, expect %d to %d\n",
+ param->name,
+ var_data->u.n.low, var_data->u.n.high);
+ }
+
+ /*
+ * If voice was just changed, we might need to reset our default
+ * pitch and volume.
+ */
+ if (param->var_id == VOICE && synth &&
+ (ret == 0 || ret == -ERESTART)) {
+ var_data = param->data;
+ value = var_data->u.n.value;
+ spk_reset_default_value("pitch", synth->default_pitch,
+ value);
+ spk_reset_default_value("vol", synth->default_vol,
+ value);
+ }
+ break;
+ case VAR_STRING:
+ len = strlen(cp);
+ if ((len >= 1) && (cp[len - 1] == '\n'))
+ --len;
+ if ((len >= 2) && (cp[0] == '"') && (cp[len - 1] == '"')) {
+ ++cp;
+ len -= 2;
+ }
+ cp[len] = '\0';
+ ret = spk_set_string_var(cp, param, len);
+ if (ret == -E2BIG)
+ pr_warn("value too long for %s\n",
+ param->name);
+ break;
+ default:
+ pr_warn("%s unknown type %d\n",
+ param->name, (int)param->var_type);
+ break;
+ }
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+
+ if (ret == -ERESTART)
+ pr_info("%s reset to default value\n", param->name);
+ return count;
+}
+EXPORT_SYMBOL_GPL(spk_var_store);
+
+/*
+ * Functions for reading and writing lists of i18n messages. Incomplete.
+ */
+
+static ssize_t message_show_helper(char *buf, enum msg_index_t first,
+ enum msg_index_t last)
+{
+ size_t bufsize = PAGE_SIZE;
+ char *buf_pointer = buf;
+ int printed;
+ enum msg_index_t cursor;
+ int index = 0;
+ *buf_pointer = '\0'; /* buf_pointer always looking at a NUL byte. */
+
+ for (cursor = first; cursor <= last; cursor++, index++) {
+ if (bufsize <= 1)
+ break;
+ printed = scnprintf(buf_pointer, bufsize, "%d\t%s\n",
+ index, spk_msg_get(cursor));
+ buf_pointer += printed;
+ bufsize -= printed;
+ }
+
+ return buf_pointer - buf;
+}
+
+static void report_msg_status(int reset, int received, int used,
+ int rejected, char *groupname)
+{
+ int len;
+ char buf[160];
+
+ if (reset) {
+ pr_info("i18n messages from group %s reset to defaults\n",
+ groupname);
+ } else if (received) {
+ len = snprintf(buf, sizeof(buf),
+ " updated %d of %d i18n messages from group %s\n",
+ used, received, groupname);
+ if (rejected)
+ snprintf(buf + (len - 1), sizeof(buf) - (len - 1),
+ " with %d reject%s\n",
+ rejected, rejected > 1 ? "s" : "");
+ printk(buf);
+ }
+}
+
+static ssize_t message_store_helper(const char *buf, size_t count,
+ struct msg_group_t *group)
+{
+ char *cp = (char *) buf;
+ char *end = cp + count;
+ char *linefeed = NULL;
+ char *temp = NULL;
+ ssize_t msg_stored = 0;
+ ssize_t retval = count;
+ size_t desc_length = 0;
+ unsigned long index = 0;
+ int received = 0;
+ int used = 0;
+ int rejected = 0;
+ int reset = 0;
+ enum msg_index_t firstmessage = group->start;
+ enum msg_index_t lastmessage = group->end;
+ enum msg_index_t curmessage;
+
+ while (cp < end) {
+
+ while ((cp < end) && (*cp == ' ' || *cp == '\t'))
+ cp++;
+
+ if (cp == end)
+ break;
+ if (strchr("dDrR", *cp)) {
+ reset = 1;
+ break;
+ }
+ received++;
+
+ linefeed = strchr(cp, '\n');
+ if (!linefeed) {
+ rejected++;
+ break;
+ }
+
+ if (!isdigit(*cp)) {
+ rejected++;
+ cp = linefeed + 1;
+ continue;
+ }
+
+ index = simple_strtoul(cp, &temp, 10);
+
+ while ((temp < linefeed) && (*temp == ' ' || *temp == '\t'))
+ temp++;
+
+ desc_length = linefeed - temp;
+ curmessage = firstmessage + index;
+
+ /*
+ * Note the check (curmessage < firstmessage). It is not
+ * redundant. Suppose that the user gave us an index
+ * equal to ULONG_MAX - 1. If firstmessage > 1, then
+ * firstmessage + index < firstmessage!
+ */
+
+ if ((curmessage < firstmessage) || (curmessage > lastmessage)) {
+ rejected++;
+ cp = linefeed + 1;
+ continue;
+ }
+
+ msg_stored = spk_msg_set(curmessage, temp, desc_length);
+ if (msg_stored < 0) {
+ retval = msg_stored;
+ if (msg_stored == -ENOMEM)
+ reset = 1;
+ break;
+ }
+
+ used++;
+
+ cp = linefeed + 1;
+ }
+
+ if (reset)
+ spk_reset_msg_group(group);
+
+ report_msg_status(reset, received, used, rejected, group->name);
+ return retval;
+}
+
+static ssize_t message_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ ssize_t retval = 0;
+ struct msg_group_t *group = spk_find_msg_group(attr->attr.name);
+ unsigned long flags;
+
+ BUG_ON(!group);
+ spin_lock_irqsave(&speakup_info.spinlock, flags);
+ retval = message_show_helper(buf, group->start, group->end);
+ spin_unlock_irqrestore(&speakup_info.spinlock, flags);
+ return retval;
+}
+
+static ssize_t message_store(struct kobject *kobj, struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct msg_group_t *group = spk_find_msg_group(attr->attr.name);
+
+ BUG_ON(!group);
+ return message_store_helper(buf, count, group);
+}
+
+/*
+ * Declare the attributes.
+ */
+static struct kobj_attribute keymap_attribute =
+ __ATTR_RW(keymap);
+static struct kobj_attribute silent_attribute =
+ __ATTR_WO(silent);
+static struct kobj_attribute synth_attribute =
+ __ATTR_RW(synth);
+static struct kobj_attribute synth_direct_attribute =
+ __ATTR_WO(synth_direct);
+static struct kobj_attribute version_attribute =
+ __ATTR_RO(version);
+
+static struct kobj_attribute delimiters_attribute =
+ __ATTR(delimiters, S_IWUSR|S_IRUGO, punc_show, punc_store);
+static struct kobj_attribute ex_num_attribute =
+ __ATTR(ex_num, S_IWUSR|S_IRUGO, punc_show, punc_store);
+static struct kobj_attribute punc_all_attribute =
+ __ATTR(punc_all, S_IWUSR|S_IRUGO, punc_show, punc_store);
+static struct kobj_attribute punc_most_attribute =
+ __ATTR(punc_most, S_IWUSR|S_IRUGO, punc_show, punc_store);
+static struct kobj_attribute punc_some_attribute =
+ __ATTR(punc_some, S_IWUSR|S_IRUGO, punc_show, punc_store);
+static struct kobj_attribute repeats_attribute =
+ __ATTR(repeats, S_IWUSR|S_IRUGO, punc_show, punc_store);
+
+static struct kobj_attribute attrib_bleep_attribute =
+ __ATTR(attrib_bleep, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute bell_pos_attribute =
+ __ATTR(bell_pos, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute bleep_time_attribute =
+ __ATTR(bleep_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute bleeps_attribute =
+ __ATTR(bleeps, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute cursor_time_attribute =
+ __ATTR(cursor_time, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute key_echo_attribute =
+ __ATTR(key_echo, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute no_interrupt_attribute =
+ __ATTR(no_interrupt, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute punc_level_attribute =
+ __ATTR(punc_level, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute reading_punc_attribute =
+ __ATTR(reading_punc, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute say_control_attribute =
+ __ATTR(say_control, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute say_word_ctl_attribute =
+ __ATTR(say_word_ctl, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+static struct kobj_attribute spell_delay_attribute =
+ __ATTR(spell_delay, S_IWUSR|S_IRUGO, spk_var_show, spk_var_store);
+
+/*
+ * These attributes are i18n related.
+ */
+static struct kobj_attribute announcements_attribute =
+ __ATTR(announcements, S_IWUSR|S_IRUGO, message_show, message_store);
+static struct kobj_attribute characters_attribute =
+ __ATTR(characters, S_IWUSR|S_IRUGO, chars_chartab_show,
+ chars_chartab_store);
+static struct kobj_attribute chartab_attribute =
+ __ATTR(chartab, S_IWUSR|S_IRUGO, chars_chartab_show,
+ chars_chartab_store);
+static struct kobj_attribute ctl_keys_attribute =
+ __ATTR(ctl_keys, S_IWUSR|S_IRUGO, message_show, message_store);
+static struct kobj_attribute colors_attribute =
+ __ATTR(colors, S_IWUSR|S_IRUGO, message_show, message_store);
+static struct kobj_attribute formatted_attribute =
+ __ATTR(formatted, S_IWUSR|S_IRUGO, message_show, message_store);
+static struct kobj_attribute function_names_attribute =
+ __ATTR(function_names, S_IWUSR|S_IRUGO, message_show, message_store);
+static struct kobj_attribute key_names_attribute =
+ __ATTR(key_names, S_IWUSR|S_IRUGO, message_show, message_store);
+static struct kobj_attribute states_attribute =
+ __ATTR(states, S_IWUSR|S_IRUGO, message_show, message_store);
+
+/*
+ * Create groups of attributes so that we can create and destroy them all
+ * at once.
+ */
+static struct attribute *main_attrs[] = {
+ &keymap_attribute.attr,
+ &silent_attribute.attr,
+ &synth_attribute.attr,
+ &synth_direct_attribute.attr,
+ &version_attribute.attr,
+ &delimiters_attribute.attr,
+ &ex_num_attribute.attr,
+ &punc_all_attribute.attr,
+ &punc_most_attribute.attr,
+ &punc_some_attribute.attr,
+ &repeats_attribute.attr,
+ &attrib_bleep_attribute.attr,
+ &bell_pos_attribute.attr,
+ &bleep_time_attribute.attr,
+ &bleeps_attribute.attr,
+ &cursor_time_attribute.attr,
+ &key_echo_attribute.attr,
+ &no_interrupt_attribute.attr,
+ &punc_level_attribute.attr,
+ &reading_punc_attribute.attr,
+ &say_control_attribute.attr,
+ &say_word_ctl_attribute.attr,
+ &spell_delay_attribute.attr,
+ NULL,
+};
+
+static struct attribute *i18n_attrs[] = {
+ &announcements_attribute.attr,
+ &characters_attribute.attr,
+ &chartab_attribute.attr,
+ &ctl_keys_attribute.attr,
+ &colors_attribute.attr,
+ &formatted_attribute.attr,
+ &function_names_attribute.attr,
+ &key_names_attribute.attr,
+ &states_attribute.attr,
+ NULL,
+};
+
+/*
+ * An unnamed attribute group will put all of the attributes directly in
+ * the kobject directory. If we specify a name, a subdirectory will be
+ * created for the attributes with the directory being the name of the
+ * attribute group.
+ */
+static struct attribute_group main_attr_group = {
+ .attrs = main_attrs,
+};
+
+static struct attribute_group i18n_attr_group = {
+ .attrs = i18n_attrs,
+ .name = "i18n",
+};
+
+static struct kobject *accessibility_kobj;
+struct kobject *speakup_kobj;
+
+int speakup_kobj_init(void)
+{
+ int retval;
+
+ /*
+ * Create a simple kobject with the name of "accessibility",
+ * located under /sys/
+ *
+ * As this is a simple directory, no uevent will be sent to
+ * userspace. That is why this function should not be used for
+ * any type of dynamic kobjects, where the name and number are
+ * not known ahead of time.
+ */
+ accessibility_kobj = kobject_create_and_add("accessibility", NULL);
+ if (!accessibility_kobj) {
+ retval = -ENOMEM;
+ goto out;
+ }
+
+ speakup_kobj = kobject_create_and_add("speakup", accessibility_kobj);
+ if (!speakup_kobj) {
+ retval = -ENOMEM;
+ goto err_acc;
+ }
+
+ /* Create the files associated with this kobject */
+ retval = sysfs_create_group(speakup_kobj, &main_attr_group);
+ if (retval)
+ goto err_speakup;
+
+ retval = sysfs_create_group(speakup_kobj, &i18n_attr_group);
+ if (retval)
+ goto err_group;
+
+ goto out;
+
+err_group:
+ sysfs_remove_group(speakup_kobj, &main_attr_group);
+err_speakup:
+ kobject_put(speakup_kobj);
+err_acc:
+ kobject_put(accessibility_kobj);
+out:
+ return retval;
+}
+
+void speakup_kobj_exit(void)
+{
+ sysfs_remove_group(speakup_kobj, &i18n_attr_group);
+ sysfs_remove_group(speakup_kobj, &main_attr_group);
+ kobject_put(speakup_kobj);
+ kobject_put(accessibility_kobj);
+}
Code Review / kvmfornfv.git / blobdiff