1 files changed, 54 insertions, 0 deletions
diff --git a/libmisc/unquote.c b/libmisc/unquote.c
new file mode 100644
index 0000000..bffebf9
--- /dev/null
+++ b/libmisc/unquote.c
@@ -0,0 +1,54 @@
+/*
+  File: unquote.c
+
+  Copyright (C) 2003 Andreas Gruenbacher <a.gruenbacher@bestbits.at>
+
+  This program is free software; you can redistribute it and/or modify it under
+  the terms of the GNU Lesser General Public License as published by the
+  Free Software Foundation; either version 2.1 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 Lesser General Public
+  License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "misc.h"
+
+char *unquote(char *str)
+{
+	unsigned char *s, *t;
+
+	if (!str)
+		return str;
+
+	for (s = (unsigned char *)str; *s != '\0'; s++)
+		if (*s == '\\')
+			break;
+	if (*s == '\0')
+		return str;
+
+#define isoctal(c) \
+	((c) >= '0' && (c) <= '7')
+
+	t = s;
+	do {
+		if (*s == '\\' &&
+		    isoctal(*(s+1)) && isoctal(*(s+2)) && isoctal(*(s+3))) {
+			*t++ = ((*(s+1) - '0') << 6) +
+			       ((*(s+2) - '0') << 3) +
+			       ((*(s+3) - '0')     );
+			s += 3;
+		} else
+			*t++ = *s;
+	} while (*s++ != '\0');
+
+	return str;
+}