Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 142 insertions, 0 deletions

diff --git a/lib/util/charset/weird.c b/lib/util/charset/weird.c
new file mode 100644
index 0000000..9752e01
--- /dev/null
+++ b/lib/util/charset/weird.c
@@ -0,0 +1,142 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba module with developer tools
+   Copyright (C) Andrew Tridgell 2001
+   Copyright (C) Jelmer Vernooij 2002
+   
+   This program 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.
+   
+   This program 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/>.
+*/
+
+#include "replace.h"
+#include "charset_proto.h"
+
+#ifdef DEVELOPER
+
+static struct {
+	char from;
+	const char *to;
+	int len;
+} weird_table[] = {
+	{
+		.from = 'q',
+		.to   = "^q^",
+		.len  = 3,
+	},
+	{
+		.from = 'Q',
+		.to   = "^Q^",
+		.len  = 3,
+	},
+	{
+		.len = 0,
+	}
+};
+
+size_t weird_pull(void *cd, const char **inbuf, size_t *inbytesleft,
+		  char **outbuf, size_t *outbytesleft)
+{
+	while (*inbytesleft >= 1 && *outbytesleft >= 2) {
+		int i;
+		int done = 0;
+		for (i=0;weird_table[i].from;i++) {
+			if (strncmp((*inbuf), 
+				    weird_table[i].to, 
+				    weird_table[i].len) == 0) {
+				if (*inbytesleft < weird_table[i].len) {
+					abort();
+				}
+
+				(*outbuf)[0] = weird_table[i].from;
+				(*outbuf)[1] = 0;
+				(*inbytesleft)  -= weird_table[i].len;
+				(*outbytesleft) -= 2;
+				(*inbuf)  += weird_table[i].len;
+				(*outbuf) += 2;
+				done = 1;
+				break;
+			}
+		}
+		if (done) continue;
+		(*outbuf)[0] = (*inbuf)[0];
+		(*outbuf)[1] = 0;
+		(*inbytesleft)  -= 1;
+		(*outbytesleft) -= 2;
+		(*inbuf)  += 1;
+		(*outbuf) += 2;
+	}
+
+	if (*inbytesleft > 0) {
+		errno = E2BIG;
+		return -1;
+	}
+	
+	return 0;
+}
+
+size_t weird_push(void *cd, const char **inbuf, size_t *inbytesleft,
+		  char **outbuf, size_t *outbytesleft)
+{
+	int ir_count=0;
+
+	while (*inbytesleft >= 2 && *outbytesleft >= 1) {
+		int i;
+		int done=0;
+		for (i=0;weird_table[i].from;i++) {
+			if ((*inbuf)[0] == weird_table[i].from &&
+			    (*inbuf)[1] == 0) {
+				if (*outbytesleft < weird_table[i].len) {
+					abort();
+				}
+				memcpy(*outbuf,
+				       weird_table[i].to,
+				       weird_table[i].len);
+				(*inbytesleft)  -= 2;
+				(*outbytesleft) -= weird_table[i].len;
+				(*inbuf)  += 2;
+				(*outbuf) += weird_table[i].len;
+				done = 1;
+				break;
+			}
+		}
+		if (done) continue;
+
+		(*outbuf)[0] = (*inbuf)[0];
+		if ((*inbuf)[1]) ir_count++;
+		(*inbytesleft)  -= 2;
+		(*outbytesleft) -= 1;
+		(*inbuf)  += 2;
+		(*outbuf) += 1;
+	}
+
+	if (*inbytesleft == 1) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (*inbytesleft > 1) {
+		errno = E2BIG;
+		return -1;
+	}
+	
+	return ir_count;
+}
+
+#else
+void charset_weird_dummy(void);
+void charset_weird_dummy(void)
+{
+	return;
+}
+
+#endif