There is generic implementation of the function to unescape strings.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: William Hubbs <w.d.hubbs@gmail.com>
Cc: Chris Brannon <chris@the-brannons.com>
Cc: Kirk Reiser <kirk@braille.uwo.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
#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>
bytes = min_t(size_t, len, 250);
strncpy(tmp, ptr, bytes);
tmp[bytes] = '\0';
- spk_xlate(tmp);
+ string_unescape_any_inplace(tmp);
synth_printf("%s", tmp);
ptr += bytes;
len -= bytes;
if (param->data == NULL)
return 0;
ret = 0;
- cp = spk_xlate((char *) buf);
+ cp = (char *)buf;
+ string_unescape_any_inplace(cp);
spk_lock(flags);
switch (param->var_type) {
extern int spk_set_key_info(const u_char *key_info, u_char *k_buffer);
extern char *spk_strlwr(char *s);
extern char *spk_s2uchar(char *start, char *dest);
-extern char *spk_xlate(char *s);
extern int speakup_kobj_init(void);
extern void speakup_kobj_exit(void);
extern int spk_chartab_get_value(char *keyword);
*dest = (u_char)val;
return start;
}
-
-char *spk_xlate(char *s)
-{
- static const char finds[] = "nrtvafe";
- static const char subs[] = "\n\r\t\013\001\014\033";
- static const char hx[] = "0123456789abcdefABCDEF";
- char *p = s, *p1, *p2, c;
- int num;
- while ((p = strchr(p, '\\'))) {
- p1 = p+1;
- p2 = strchr(finds, *p1);
- if (p2) {
- *p++ = subs[p2-finds];
- p1++;
- } else if (*p1 >= '0' && *p1 <= '7') {
- num = (*p1++)&7;
- while (num < 32 && *p1 >= '0' && *p1 <= '7') {
- num <<= 3;
- num += (*p1++)&7;
- }
- *p++ = num;
- } else if (*p1 == 'x' &&
- strchr(hx, p1[1]) && strchr(hx, p1[2])) {
- p1++;
- c = *p1++;
- if (c > '9')
- c = (c - '7') & 0x0f;
- else
- c -= '0';
- num = c << 4;
- c = *p1++;
- if (c > '9')
- c = (c-'7')&0x0f;
- else
- c -= '0';
- num += c;
- *p++ = num;
- } else
- *p++ = *p1++;
- p2 = p;
- while (*p1)
- *p2++ = *p1++;
- *p2 = '\0';
- }
- return s;
-}