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72b8ec15f9
This patch includes an enhancement requested frequently on the mailing list.[1][2] It adds a variable, cur_phonetic in the spk_vars, which can be set as a module parameter, as well as in /sys/speakup/cur_phonetic. This patch also documents cur_phonetic as a sysfs attribute in sysfs-driver-speakup. When cur_phonetic=1, it causes speakup to speak letters phonetically if paused on the character while arrowing through a word. When a user does not set cur_phonetic to any value, the default value for it would be 0. [1]: https://github.com/linux-speakup/speakup/issues/6 [2]: https://github.com/linux-speakup/speakup/issues/5 since V1: - removed unnecessary lines Signed-off-by: Mushahid Hussain<mushi.shar@gmail.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Link: https://lore.kernel.org/r/20221115100530.91174-3-mushi.shar@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1060 lines
26 KiB
C
1060 lines
26 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Speakup kobject implementation
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*
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* Copyright (C) 2009 William Hubbs
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*
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* This code is based on kobject-example.c, which came with linux 2.6.x.
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*
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* Copyright (C) 2004-2007 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2007 Novell Inc.
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*
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* Released under the GPL version 2 only.
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*
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*/
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#include <linux/slab.h> /* For kmalloc. */
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#include <linux/kernel.h>
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#include <linux/kobject.h>
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#include <linux/string.h>
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#include <linux/string_helpers.h>
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#include <linux/sysfs.h>
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#include <linux/ctype.h>
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#include "speakup.h"
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#include "spk_priv.h"
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/*
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* This is called when a user reads the characters or chartab sys file.
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*/
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static ssize_t chars_chartab_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf)
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{
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int i;
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int len = 0;
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char *cp;
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char *buf_pointer = buf;
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size_t bufsize = PAGE_SIZE;
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unsigned long flags;
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spin_lock_irqsave(&speakup_info.spinlock, flags);
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*buf_pointer = '\0';
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for (i = 0; i < 256; i++) {
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if (bufsize <= 1)
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break;
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if (strcmp("characters", attr->attr.name) == 0) {
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len = scnprintf(buf_pointer, bufsize, "%d\t%s\n",
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i, spk_characters[i]);
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} else { /* show chartab entry */
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if (IS_TYPE(i, B_CTL))
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cp = "B_CTL";
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else if (IS_TYPE(i, WDLM))
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cp = "WDLM";
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else if (IS_TYPE(i, A_PUNC))
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cp = "A_PUNC";
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else if (IS_TYPE(i, PUNC))
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cp = "PUNC";
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else if (IS_TYPE(i, NUM))
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cp = "NUM";
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else if (IS_TYPE(i, A_CAP))
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cp = "A_CAP";
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else if (IS_TYPE(i, ALPHA))
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cp = "ALPHA";
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else if (IS_TYPE(i, B_CAPSYM))
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cp = "B_CAPSYM";
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else if (IS_TYPE(i, B_SYM))
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cp = "B_SYM";
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else
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cp = "0";
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len =
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scnprintf(buf_pointer, bufsize, "%d\t%s\n", i, cp);
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}
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bufsize -= len;
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buf_pointer += len;
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}
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return buf_pointer - buf;
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}
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/*
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* Print informational messages or warnings after updating
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* character descriptions or chartab entries.
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*/
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static void report_char_chartab_status(int reset, int received, int used,
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int rejected, int do_characters)
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{
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static char const *object_type[] = {
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"character class entries",
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"character descriptions",
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};
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int len;
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char buf[80];
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if (reset) {
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pr_info("%s reset to defaults\n", object_type[do_characters]);
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} else if (received) {
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len = snprintf(buf, sizeof(buf),
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" updated %d of %d %s\n",
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used, received, object_type[do_characters]);
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if (rejected)
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snprintf(buf + (len - 1), sizeof(buf) - (len - 1),
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" with %d reject%s\n",
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rejected, rejected > 1 ? "s" : "");
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pr_info("%s", buf);
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}
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}
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/*
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* This is called when a user changes the characters or chartab parameters.
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*/
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static ssize_t chars_chartab_store(struct kobject *kobj,
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struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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char *cp = (char *)buf;
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char *end = cp + count; /* the null at the end of the buffer */
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char *linefeed = NULL;
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char keyword[MAX_DESC_LEN + 1];
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char *outptr = NULL; /* Will hold keyword or desc. */
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char *temp = NULL;
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char *desc = NULL;
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ssize_t retval = count;
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unsigned long flags;
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unsigned long index = 0;
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int charclass = 0;
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int received = 0;
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int used = 0;
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int rejected = 0;
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int reset = 0;
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int do_characters = !strcmp(attr->attr.name, "characters");
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size_t desc_length = 0;
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int i;
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spin_lock_irqsave(&speakup_info.spinlock, flags);
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while (cp < end) {
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while ((cp < end) && (*cp == ' ' || *cp == '\t'))
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cp++;
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if (cp == end)
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break;
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if ((*cp == '\n') || strchr("dDrR", *cp)) {
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reset = 1;
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break;
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}
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received++;
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linefeed = strchr(cp, '\n');
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if (!linefeed) {
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rejected++;
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break;
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}
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if (!isdigit(*cp)) {
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rejected++;
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cp = linefeed + 1;
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continue;
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}
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/*
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* Do not replace with kstrtoul:
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* here we need temp to be updated
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*/
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index = simple_strtoul(cp, &temp, 10);
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if (index > 255) {
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rejected++;
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cp = linefeed + 1;
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continue;
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}
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while ((temp < linefeed) && (*temp == ' ' || *temp == '\t'))
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temp++;
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desc_length = linefeed - temp;
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if (desc_length > MAX_DESC_LEN) {
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rejected++;
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cp = linefeed + 1;
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continue;
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}
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if (do_characters) {
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desc = kmalloc(desc_length + 1, GFP_ATOMIC);
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if (!desc) {
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retval = -ENOMEM;
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reset = 1; /* just reset on error. */
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break;
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}
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outptr = desc;
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} else {
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outptr = keyword;
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}
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for (i = 0; i < desc_length; i++)
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outptr[i] = temp[i];
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outptr[desc_length] = '\0';
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if (do_characters) {
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if (spk_characters[index] != spk_default_chars[index])
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kfree(spk_characters[index]);
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spk_characters[index] = desc;
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used++;
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} else {
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charclass = spk_chartab_get_value(keyword);
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if (charclass == 0) {
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rejected++;
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cp = linefeed + 1;
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continue;
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}
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if (charclass != spk_chartab[index]) {
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spk_chartab[index] = charclass;
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used++;
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}
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}
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cp = linefeed + 1;
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}
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if (reset) {
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if (do_characters)
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spk_reset_default_chars();
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else
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spk_reset_default_chartab();
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}
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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report_char_chartab_status(reset, received, used, rejected,
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do_characters);
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return retval;
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}
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/*
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* This is called when a user reads the keymap parameter.
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*/
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static ssize_t keymap_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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char *cp = buf;
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int i;
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int n;
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int num_keys;
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int nstates;
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u_char *cp1;
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u_char ch;
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unsigned long flags;
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spin_lock_irqsave(&speakup_info.spinlock, flags);
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cp1 = spk_key_buf + SHIFT_TBL_SIZE;
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num_keys = (int)(*cp1);
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nstates = (int)cp1[1];
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cp += sprintf(cp, "%d, %d, %d,\n", KEY_MAP_VER, num_keys, nstates);
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cp1 += 2; /* now pointing at shift states */
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/* dump num_keys+1 as first row is shift states + flags,
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* each subsequent row is key + states
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*/
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for (n = 0; n <= num_keys; n++) {
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for (i = 0; i <= nstates; i++) {
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ch = *cp1++;
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cp += sprintf(cp, "%d,", (int)ch);
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*cp++ = (i < nstates) ? SPACE : '\n';
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}
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}
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cp += sprintf(cp, "0, %d\n", KEY_MAP_VER);
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return (int)(cp - buf);
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}
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/*
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* This is called when a user changes the keymap parameter.
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*/
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static ssize_t keymap_store(struct kobject *kobj, struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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int i;
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ssize_t ret = count;
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char *in_buff = NULL;
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char *cp;
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u_char *cp1;
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unsigned long flags;
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spin_lock_irqsave(&speakup_info.spinlock, flags);
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in_buff = kmemdup(buf, count + 1, GFP_ATOMIC);
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if (!in_buff) {
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return -ENOMEM;
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}
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if (strchr("dDrR", *in_buff)) {
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spk_set_key_info(spk_key_defaults, spk_key_buf);
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pr_info("keymap set to default values\n");
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kfree(in_buff);
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return count;
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}
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if (in_buff[count - 1] == '\n')
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in_buff[count - 1] = '\0';
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cp = in_buff;
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cp1 = (u_char *)in_buff;
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for (i = 0; i < 3; i++) {
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cp = spk_s2uchar(cp, cp1);
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cp1++;
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}
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i = (int)cp1[-2] + 1;
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i *= (int)cp1[-1] + 1;
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i += 2; /* 0 and last map ver */
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if (cp1[-3] != KEY_MAP_VER || cp1[-1] > 10 ||
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i + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf)) {
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pr_warn("i %d %d %d %d\n", i,
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(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
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kfree(in_buff);
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return -EINVAL;
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}
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while (--i >= 0) {
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cp = spk_s2uchar(cp, cp1);
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cp1++;
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if (!(*cp))
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break;
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}
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if (i != 0 || cp1[-1] != KEY_MAP_VER || cp1[-2] != 0) {
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ret = -EINVAL;
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pr_warn("end %d %d %d %d\n", i,
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(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
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} else {
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if (spk_set_key_info(in_buff, spk_key_buf)) {
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spk_set_key_info(spk_key_defaults, spk_key_buf);
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ret = -EINVAL;
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pr_warn("set key failed\n");
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}
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}
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kfree(in_buff);
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return ret;
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}
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/*
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* This is called when a user changes the value of the silent parameter.
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*/
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static ssize_t silent_store(struct kobject *kobj, struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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int len;
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struct vc_data *vc = vc_cons[fg_console].d;
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char ch = 0;
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char shut;
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unsigned long flags;
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len = strlen(buf);
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if (len > 0 && len < 3) {
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ch = buf[0];
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if (ch == '\n')
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ch = '0';
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}
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if (ch < '0' || ch > '7') {
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pr_warn("silent value '%c' not in range (0,7)\n", ch);
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return -EINVAL;
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}
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spin_lock_irqsave(&speakup_info.spinlock, flags);
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if (ch & 2) {
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shut = 1;
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spk_do_flush();
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} else {
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shut = 0;
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}
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if (ch & 4)
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shut |= 0x40;
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if (ch & 1)
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spk_shut_up |= shut;
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else
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spk_shut_up &= ~shut;
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return count;
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}
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/*
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* This is called when a user reads the synth setting.
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*/
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static ssize_t synth_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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int rv;
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if (!synth)
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rv = sprintf(buf, "%s\n", "none");
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else
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rv = sprintf(buf, "%s\n", synth->name);
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return rv;
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}
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/*
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* This is called when a user requests to change synthesizers.
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*/
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static ssize_t synth_store(struct kobject *kobj, struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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int len;
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char new_synth_name[10];
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len = strlen(buf);
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if (len < 2 || len > 9)
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return -EINVAL;
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memcpy(new_synth_name, buf, len);
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if (new_synth_name[len - 1] == '\n')
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len--;
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new_synth_name[len] = '\0';
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spk_strlwr(new_synth_name);
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if (synth && !strcmp(new_synth_name, synth->name)) {
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pr_warn("%s already in use\n", new_synth_name);
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} else if (synth_init(new_synth_name) != 0) {
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pr_warn("failed to init synth %s\n", new_synth_name);
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return -ENODEV;
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}
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return count;
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}
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/*
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* This is called when text is sent to the synth via the synth_direct file.
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*/
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static ssize_t synth_direct_store(struct kobject *kobj,
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struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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u_char tmp[256];
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int len;
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int bytes;
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const char *ptr = buf;
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unsigned long flags;
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if (!synth)
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return -EPERM;
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len = strlen(buf);
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spin_lock_irqsave(&speakup_info.spinlock, flags);
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while (len > 0) {
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bytes = min_t(size_t, len, 250);
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strncpy(tmp, ptr, bytes);
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tmp[bytes] = '\0';
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string_unescape_any_inplace(tmp);
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synth_printf("%s", tmp);
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ptr += bytes;
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len -= bytes;
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}
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return count;
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}
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/*
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* This function is called when a user reads the version.
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*/
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static ssize_t version_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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char *cp;
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cp = buf;
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cp += sprintf(cp, "Speakup version %s\n", SPEAKUP_VERSION);
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if (synth)
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cp += sprintf(cp, "%s synthesizer driver version %s\n",
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synth->name, synth->version);
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return cp - buf;
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}
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/*
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* This is called when a user reads the punctuation settings.
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*/
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static ssize_t punc_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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int i;
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char *cp = buf;
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struct st_var_header *p_header;
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struct punc_var_t *var;
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struct st_bits_data *pb;
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short mask;
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unsigned long flags;
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p_header = spk_var_header_by_name(attr->attr.name);
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if (!p_header) {
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pr_warn("p_header is null, attr->attr.name is %s\n",
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attr->attr.name);
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return -EINVAL;
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}
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var = spk_get_punc_var(p_header->var_id);
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if (!var) {
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pr_warn("var is null, p_header->var_id is %i\n",
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p_header->var_id);
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return -EINVAL;
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}
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spin_lock_irqsave(&speakup_info.spinlock, flags);
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pb = (struct st_bits_data *)&spk_punc_info[var->value];
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mask = pb->mask;
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for (i = 33; i < 128; i++) {
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if (!(spk_chartab[i] & mask))
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continue;
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*cp++ = (char)i;
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}
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spin_unlock_irqrestore(&speakup_info.spinlock, flags);
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return cp - buf;
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}
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/*
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* This is called when a user changes the punctuation settings.
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*/
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static ssize_t punc_store(struct kobject *kobj, struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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int x;
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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) {
|
|
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) {
|
|
pr_warn("var is null, p_header->var_id is %i\n",
|
|
p_header->var_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
memcpy(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)
|
|
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)
|
|
return -EINVAL;
|
|
if (!param->data)
|
|
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" : "");
|
|
pr_info("%s", 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;
|
|
}
|
|
|
|
/*
|
|
* Do not replace with kstrtoul:
|
|
* here we need temp to be updated
|
|
*/
|
|
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;
|
|
|
|
if (WARN_ON(!group))
|
|
return -EINVAL;
|
|
|
|
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);
|
|
|
|
if (WARN_ON(!group))
|
|
return -EINVAL;
|
|
|
|
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, 0644, punc_show, punc_store);
|
|
static struct kobj_attribute ex_num_attribute =
|
|
__ATTR(ex_num, 0644, punc_show, punc_store);
|
|
static struct kobj_attribute punc_all_attribute =
|
|
__ATTR(punc_all, 0644, punc_show, punc_store);
|
|
static struct kobj_attribute punc_most_attribute =
|
|
__ATTR(punc_most, 0644, punc_show, punc_store);
|
|
static struct kobj_attribute punc_some_attribute =
|
|
__ATTR(punc_some, 0644, punc_show, punc_store);
|
|
static struct kobj_attribute repeats_attribute =
|
|
__ATTR(repeats, 0644, punc_show, punc_store);
|
|
|
|
static struct kobj_attribute attrib_bleep_attribute =
|
|
__ATTR(attrib_bleep, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute bell_pos_attribute =
|
|
__ATTR(bell_pos, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute bleep_time_attribute =
|
|
__ATTR(bleep_time, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute bleeps_attribute =
|
|
__ATTR(bleeps, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute cursor_time_attribute =
|
|
__ATTR(cursor_time, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute key_echo_attribute =
|
|
__ATTR(key_echo, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute no_interrupt_attribute =
|
|
__ATTR(no_interrupt, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute punc_level_attribute =
|
|
__ATTR(punc_level, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute reading_punc_attribute =
|
|
__ATTR(reading_punc, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute say_control_attribute =
|
|
__ATTR(say_control, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute say_word_ctl_attribute =
|
|
__ATTR(say_word_ctl, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute spell_delay_attribute =
|
|
__ATTR(spell_delay, 0644, spk_var_show, spk_var_store);
|
|
static struct kobj_attribute cur_phonetic_attribute =
|
|
__ATTR(cur_phonetic, 0644, spk_var_show, spk_var_store);
|
|
|
|
/*
|
|
* These attributes are i18n related.
|
|
*/
|
|
static struct kobj_attribute announcements_attribute =
|
|
__ATTR(announcements, 0644, message_show, message_store);
|
|
static struct kobj_attribute characters_attribute =
|
|
__ATTR(characters, 0644, chars_chartab_show,
|
|
chars_chartab_store);
|
|
static struct kobj_attribute chartab_attribute =
|
|
__ATTR(chartab, 0644, chars_chartab_show,
|
|
chars_chartab_store);
|
|
static struct kobj_attribute ctl_keys_attribute =
|
|
__ATTR(ctl_keys, 0644, message_show, message_store);
|
|
static struct kobj_attribute colors_attribute =
|
|
__ATTR(colors, 0644, message_show, message_store);
|
|
static struct kobj_attribute formatted_attribute =
|
|
__ATTR(formatted, 0644, message_show, message_store);
|
|
static struct kobj_attribute function_names_attribute =
|
|
__ATTR(function_names, 0644, message_show, message_store);
|
|
static struct kobj_attribute key_names_attribute =
|
|
__ATTR(key_names, 0644, message_show, message_store);
|
|
static struct kobj_attribute states_attribute =
|
|
__ATTR(states, 0644, 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,
|
|
&cur_phonetic_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 const struct attribute_group main_attr_group = {
|
|
.attrs = main_attrs,
|
|
};
|
|
|
|
static const 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);
|
|
}
|