with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <system.h>
-#include <ctype.h>
#include <regex.h>
+#include <mcel.h>
#include "common.h"
enum transform_type
expr = parse_transform_expr (expr);
}
+\f
+static struct obstack stk;
+static bool stk_init;
+
/* Run case conversion specified by CASE_CTL on array PTR of SIZE
- characters. Returns pointer to statically allocated storage. */
-static char *
+ characters. Append the result to STK. */
+static void
run_case_conv (enum case_ctl_type case_ctl, char *ptr, size_t size)
{
- static char *case_ctl_buffer;
- static size_t case_ctl_bufsize;
- char *p;
-
- if (case_ctl_bufsize < size)
+ char const *p = ptr, *plim = ptr + size;
+ mbstate_t mbs; mbszero (&mbs);
+ while (p < plim)
{
- case_ctl_bufsize = size;
- case_ctl_buffer = xrealloc (case_ctl_buffer, case_ctl_bufsize);
+ mcel_t g = mcel_scan (p, plim);
+ char32_t ch;
+ switch (case_ctl)
+ {
+ case ctl_upcase: case ctl_upcase_next: ch = c32toupper (g.ch); break;
+ case ctl_locase: case ctl_locase_next: ch = c32tolower (g.ch); break;
+ default: ch = g.ch; break;
+ }
+ if (ch == g.ch)
+ obstack_grow (&stk, p, g.len);
+ else
+ {
+ obstack_make_room (&stk, MB_LEN_MAX);
+ mbstate_t ombs; mbszero (&ombs);
+ size_t outbytes = c32rtomb (obstack_next_free (&stk), ch, &ombs);
+ obstack_blank_fast (&stk, outbytes);
+ }
+ p += g.len;
+ if (case_ctl != ctl_upcase && case_ctl != ctl_locase)
+ break;
}
- memcpy (case_ctl_buffer, ptr, size);
- switch (case_ctl)
- {
- case ctl_upcase_next:
- case_ctl_buffer[0] = toupper ((unsigned char) case_ctl_buffer[0]);
- break;
-
- case ctl_locase_next:
- case_ctl_buffer[0] = tolower ((unsigned char) case_ctl_buffer[0]);
- break;
- case ctl_upcase:
- for (p = case_ctl_buffer; p < case_ctl_buffer + size; p++)
- *p = toupper ((unsigned char) *p);
- break;
-
- case ctl_locase:
- for (p = case_ctl_buffer; p < case_ctl_buffer + size; p++)
- *p = tolower ((unsigned char) *p);
- break;
-
- case ctl_stop:
- break;
- }
- return case_ctl_buffer;
+ obstack_grow (&stk, p, plim - p);
}
-\f
-static struct obstack stk;
-static bool stk_init;
-
static void
_single_transform_name_to_obstack (struct transform *tf, char *input)
{
while (*input)
{
size_t disp;
- char *ptr;
rc = regexec (&tf->regex, input, tf->regex.re_nsub + 1, rmp, 0);
switch (segm->type)
{
case segm_literal: /* Literal segment */
- if (case_ctl == ctl_stop)
- ptr = segm->v.literal.ptr;
- else
- {
- ptr = run_case_conv (case_ctl,
- segm->v.literal.ptr,
- segm->v.literal.size);
- CASE_CTL_RESET();
- }
- obstack_grow (&stk, ptr, segm->v.literal.size);
+ run_case_conv (case_ctl,
+ segm->v.literal.ptr,
+ segm->v.literal.size);
+ CASE_CTL_RESET ();
break;
case segm_backref: /* Back-reference segment */
{
size_t size = rmp[segm->v.ref].rm_eo
- rmp[segm->v.ref].rm_so;
- ptr = input + rmp[segm->v.ref].rm_so;
- if (case_ctl != ctl_stop)
- {
- ptr = run_case_conv (case_ctl, ptr, size);
- CASE_CTL_RESET();
- }
-
- obstack_grow (&stk, ptr, size);
+ run_case_conv (case_ctl,
+ input + rmp[segm->v.ref].rm_so, size);
+ CASE_CTL_RESET ();
}
break;
--- /dev/null
+# Process this file with autom4te to create testsuite. -*- Autotest -*-
+
+# Test suite for GNU tar.
+# Copyright 2023 Free Software Foundation, Inc.
+
+# This file is part of GNU tar.
+
+# GNU tar is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# GNU tar is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# Transformations can change the number of bytes when downcasing.
+
+AT_SETUP([transformations and multi-byte downcasing])
+AT_KEYWORDS([transform xform xform04])
+
+AT_TAR_CHECK([
+if test "`(locale charmap) 2>/dev/null`" != UTF-8; then
+ for locale in en_US.UTF-8 `(locale -a) 2>/dev/null` not-found; do
+ case $locale in
+ *.[[Uu][Tt][Ff]]*8)
+ if test "`(LC_ALL=$locale locale charmap) 2>/dev/null`" = UTF-8; then
+ LC_ALL=$locale
+ export LC_ALL
+ break
+ fi;;
+ not-found)
+ AT_SKIP_TEST;;
+ esac
+ done
+fi
+
+genfile --file Aa.Ⱥⱥ
+tar -cvf /dev/null --transform='s/.*/\L&-\U&/' --show-transformed-name Aa.Ⱥⱥ],
+[0],
+[aa.ⱥⱥ-AA.ȺȺ
+])
+
+AT_CLEANUP
projects / thirdparty / tar.git / commitdiff
