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8c02ebdbf8
Don't depend on DEBUG. This is a pure developer module, the developer should be able to figure out what's going on after this has abort()ed. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
143 lines
2.9 KiB
C
143 lines
2.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba module with developer tools
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Copyright (C) Andrew Tridgell 2001
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Copyright (C) Jelmer Vernooij 2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "charset_proto.h"
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#ifdef DEVELOPER
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static struct {
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char from;
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const char *to;
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int len;
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} weird_table[] = {
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{
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.from = 'q',
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.to = "^q^",
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.len = 3,
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},
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{
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.from = 'Q',
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.to = "^Q^",
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.len = 3,
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},
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{
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.len = 0,
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}
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};
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size_t weird_pull(void *cd, const char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft)
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{
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while (*inbytesleft >= 1 && *outbytesleft >= 2) {
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int i;
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int done = 0;
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for (i=0;weird_table[i].from;i++) {
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if (strncmp((*inbuf),
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weird_table[i].to,
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weird_table[i].len) == 0) {
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if (*inbytesleft < weird_table[i].len) {
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abort();
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}
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(*outbuf)[0] = weird_table[i].from;
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(*outbuf)[1] = 0;
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(*inbytesleft) -= weird_table[i].len;
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(*outbytesleft) -= 2;
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(*inbuf) += weird_table[i].len;
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(*outbuf) += 2;
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done = 1;
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break;
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}
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}
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if (done) continue;
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(*outbuf)[0] = (*inbuf)[0];
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(*outbuf)[1] = 0;
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(*inbytesleft) -= 1;
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(*outbytesleft) -= 2;
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(*inbuf) += 1;
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(*outbuf) += 2;
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}
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if (*inbytesleft > 0) {
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errno = E2BIG;
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return -1;
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}
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return 0;
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}
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size_t weird_push(void *cd, const char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft)
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{
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int ir_count=0;
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while (*inbytesleft >= 2 && *outbytesleft >= 1) {
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int i;
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int done=0;
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for (i=0;weird_table[i].from;i++) {
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if ((*inbuf)[0] == weird_table[i].from &&
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(*inbuf)[1] == 0) {
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if (*outbytesleft < weird_table[i].len) {
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abort();
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}
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memcpy(*outbuf,
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weird_table[i].to,
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weird_table[i].len);
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(*inbytesleft) -= 2;
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(*outbytesleft) -= weird_table[i].len;
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(*inbuf) += 2;
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(*outbuf) += weird_table[i].len;
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done = 1;
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break;
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}
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}
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if (done) continue;
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(*outbuf)[0] = (*inbuf)[0];
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if ((*inbuf)[1]) ir_count++;
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(*inbytesleft) -= 2;
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(*outbytesleft) -= 1;
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(*inbuf) += 2;
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(*outbuf) += 1;
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}
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if (*inbytesleft == 1) {
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errno = EINVAL;
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return -1;
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}
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if (*inbytesleft > 1) {
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errno = E2BIG;
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return -1;
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}
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return ir_count;
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}
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#else
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void charset_weird_dummy(void);
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void charset_weird_dummy(void)
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{
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return;
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}
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#endif
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