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commit bash-20100520 snapshot

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This commit is contained in:
Chet Ramey
2011-12-12 21:59:12 -05:00
parent cdb599a168
commit eb0b2ad86b
43 changed files with 10828 additions and 9327 deletions
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lib/sh/strtrans.c
+32 -1
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@@ -49,13 +49,20 @@ ansicstr (string, len, flags, sawc, rlen)
char *string;
int len, flags, *sawc, *rlen;
{
int c, temp;
int c, temp, v;
char *ret, *r, *s;
#if defined (HANDLE_MULTIBYTE)
char mbch[25]; /* 25 > MB_LEN_MAX, plus can handle 4-byte UTF-8 and large Unicode characters*/
#endif
if (string == 0 || *string == '\0')
return ((char *)NULL);
#if defined (HANDLE_MULTIBYTE)
ret = (char *)xmalloc (4*len + 1);
#else
ret = (char *)xmalloc (2*len + 1); /* 2*len for possible CTLESC */
#endif
for (r = ret, s = string; s && *s; )
{
c = *s++;
@@ -128,6 +135,30 @@ ansicstr (string, len, flags, sawc, rlen)
}
c &= 0xFF;
break;
#if defined (HANDLE_MULTIBYTE)
case 'u':
case 'U':
temp = (c == 'u') ? 4 : 8; /* \uNNNN \UNNNNNNNN */
for (v = 0; ISXDIGIT ((unsigned char)*s) && temp--; s++)
v = (v * 16) + HEXVALUE (*s);
if (temp == ((c == 'u') ? 4 : 8))
{
*r++ = '\\'; /* c remains unchanged */
break;
}
else if (v <= UCHAR_MAX)
{
c = v;
break;
}
else
{
memset (mbch, '\0', sizeof (mbch));
temp = u32cconv (v, r);
r += temp;
continue;
}
#endif
case '\\':
break;
case '\'': case '"': case '?':