/* pathexp.c -- The shell interface to the globbing library. */
-/* Copyright (C) 1995-2009 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2014 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
static int glob_name_is_acceptable __P((const char *));
static void ignore_globbed_names __P((char **, sh_ignore_func_t *));
static char *split_ignorespec __P((char *, int *));
-
+
#if defined (USE_POSIX_GLOB_LIBRARY)
# include <glob.h>
typedef int posix_glob_errfunc_t __P((const char *, int));
case '+':
case '@':
case '!':
- if (s[1] == '(') /*(*/
+ if (s[1] == '(') /*(*/
return 1;
break;
}
removal has not been done (for example, before attempting to match a
pattern while executing a case statement), flags should include
QGLOB_CVTNULL. If flags includes QGLOB_FILENAME, appropriate quoting
- to match a filename should be performed. */
+ to match a filename should be performed. QGLOB_REGEXP means we're
+ quoting for a Posix ERE (for [[ string =~ pat ]]) and that requires
+ some special handling. */
char *
quote_string_for_globbing (pathname, qflags)
const char *pathname;
{
char *temp;
register int i, j;
+ int brack, cclass, collsym, equiv, c, last_was_backslash;
- temp = (char *)xmalloc (strlen (pathname) + 1);
+ temp = (char *)xmalloc (2 * strlen (pathname) + 1);
if ((qflags & QGLOB_CVTNULL) && QUOTED_NULL (pathname))
{
return temp;
}
+ brack = cclass = collsym = equiv = last_was_backslash = 0;
for (i = j = 0; pathname[i]; i++)
{
- if (pathname[i] == CTLESC)
+ /* Fix for CTLESC at the end of the string? */
+ if (pathname[i] == CTLESC && pathname[i+1] == '\0')
+ {
+ temp[j++] = pathname[i++];
+ break;
+ }
+ /* If we are parsing regexp, turn CTLESC CTLESC into CTLESC. It's not an
+ ERE special character, so we should just be able to pass it through. */
+ else if ((qflags & QGLOB_REGEXP) && pathname[i] == CTLESC && pathname[i+1] == CTLESC)
+ {
+ i++;
+ temp[j++] = pathname[i];
+ continue;
+ }
+ else if (pathname[i] == CTLESC)
{
if ((qflags & QGLOB_FILENAME) && pathname[i+1] == '/')
continue;
- if ((qflags & QGLOB_REGEXP) && ere_char (pathname[i+1]) == 0)
+ /* What to do if preceding char is backslash? */
+ if (pathname[i+1] != CTLESC && (qflags & QGLOB_REGEXP) && ere_char (pathname[i+1]) == 0)
continue;
temp[j++] = '\\';
i++;
if (pathname[i] == '\0')
break;
}
- else if (pathname[i] == '\\')
+ else if ((qflags & QGLOB_REGEXP) && (i == 0 || pathname[i-1] != CTLESC) && pathname[i] == '[') /*]*/
+ {
+ brack = 1;
+ temp[j++] = pathname[i++]; /* open bracket */
+ c = pathname[i++]; /* c == char after open bracket */
+ do
+ {
+ if (c == 0)
+ goto endpat;
+ else if (c == CTLESC)
+ {
+ /* skip c, check for EOS, let assignment at end of loop */
+ /* pathname[i] == backslash-escaped character */
+ if (pathname[i] == 0)
+ goto endpat;
+ temp[j++] = pathname[i++];
+ }
+ else if (c == '[' && pathname[i] == ':')
+ {
+ temp[j++] = c;
+ temp[j++] = pathname[i++];
+ cclass = 1;
+ }
+ else if (cclass && c == ':' && pathname[i] == ']')
+ {
+ temp[j++] = c;
+ temp[j++] = pathname[i++];
+ cclass = 0;
+ }
+ else if (c == '[' && pathname[i] == '=')
+ {
+ temp[j++] = c;
+ temp[j++] = pathname[i++];
+ if (pathname[i] == ']')
+ temp[j++] = pathname[i++]; /* right brack can be in equiv */
+ equiv = 1;
+ }
+ else if (equiv && c == '=' && pathname[i] == ']')
+ {
+ temp[j++] = c;
+ temp[j++] = pathname[i++];
+ equiv = 0;
+ }
+ else if (c == '[' && pathname[i] == '.')
+ {
+ temp[j++] = c;
+ temp[j++] = pathname[i++];
+ if (pathname[i] == ']')
+ temp[j++] = pathname[i++]; /* right brack can be in collsym */
+ collsym = 1;
+ }
+ else if (collsym && c == '.' && pathname[i] == ']')
+ {
+ temp[j++] = c;
+ temp[j++] = pathname[i++];
+ collsym = 0;
+ }
+ else
+ temp[j++] = c;
+ }
+ while ((c = pathname[i++]) != ']');
+ temp[j++] = c; /* closing right bracket */
+ i--; /* increment will happen above in loop */
+ continue; /* skip double assignment below */
+ }
+ else if (pathname[i] == '\\' && (qflags & QGLOB_REGEXP) == 0)
{
+ /* XXX - if not quoting regexp, use backslash as quote char. Should
+ we just pass it through without treating it as special? That is
+ what ksh93 seems to do. */
+
+ /* If we want to pass through backslash unaltered, comment out these
+ lines. */
temp[j++] = '\\';
+
i++;
if (pathname[i] == '\0')
break;
}
+ else if (pathname[i] == '\\' && (qflags & QGLOB_REGEXP))
+ last_was_backslash = 1;
temp[j++] = pathname[i];
}
+endpat:
temp[j] = '\0';
return (temp);
*t++ = '\\';
/* Copy a single (possibly multibyte) character from s to t,
- incrementing both. */
+ incrementing both. */
COPY_CHAR_P (t, s, send);
}
*t = '\0';