1 files changed, 107 insertions, 0 deletions
diff --git a/src/util/stringops.h b/src/util/stringops.h
new file mode 100644
index 0000000..8ac177b
--- /dev/null
+++ b/src/util/stringops.h
@@ -0,0 +1,107 @@
+#ifndef _STRINGOPS_H_INCLUDED_
+#define _STRINGOPS_H_INCLUDED_
+
+/*++
+/* NAME
+/*	stringops 3h
+/* SUMMARY
+/*	string operations
+/* SYNOPSIS
+/*	#include <stringops.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+  * Utility library.
+  */
+#include <vstring.h>
+
+ /*
+  * External interface.
+  */
+extern int util_utf8_enable;
+extern char *printable_except(char *, int, const char *);
+extern char *neuter(char *, const char *, int);
+extern char *lowercase(char *);
+extern char *casefoldx(int, VSTRING *, const char *, ssize_t);
+extern char *uppercase(char *);
+extern char *skipblanks(const char *);
+extern char *trimblanks(char *, ssize_t);
+extern char *concatenate(const char *,...);
+extern char *mystrtok(char **, const char *);
+extern char *mystrtokq(char **, const char *, const char *);
+extern char *mystrtokdq(char **, const char *);
+extern char *translit(char *, const char *, const char *);
+
+#define printable(string, replacement) \
+	printable_except((string), (replacement), (char *) 0)
+
+#ifndef HAVE_BASENAME
+#define basename postfix_basename
+extern char *basename(const char *);
+
+#endif
+extern char *sane_basename(VSTRING *, const char *);
+extern char *sane_dirname(VSTRING *, const char *);
+extern VSTRING *unescape(VSTRING *, const char *);
+extern VSTRING *escape(VSTRING *, const char *, ssize_t);
+extern int alldig(const char *);
+extern int allalnum(const char *);
+extern int allprint(const char *);
+extern int allspace(const char *);
+extern int allascii_len(const char *, ssize_t);
+extern const char *WARN_UNUSED_RESULT split_nameval(char *, char **, char **);
+extern const char *WARN_UNUSED_RESULT split_qnameval(char *, char **, char **);
+extern int valid_utf8_string(const char *, ssize_t);
+extern size_t balpar(const char *, const char *);
+extern char *WARN_UNUSED_RESULT extpar(char **, const char *, int);
+extern int strcasecmp_utf8x(int, const char *, const char *);
+extern int strncasecmp_utf8x(int, const char *, const char *, ssize_t);
+
+#define EXTPAR_FLAG_NONE	(0)
+#define EXTPAR_FLAG_STRIP	(1<<0)	/* "{ text }" -> "text" */
+#define EXTPAR_FLAG_EXTRACT	(1<<1)	/* hint from caller's caller */
+
+#define CASEF_FLAG_UTF8		(1<<0)
+#define CASEF_FLAG_APPEND	(1<<1)
+
+ /*
+  * Convenience wrappers for most-common use cases.
+  */
+#define allascii(s)	allascii_len((s), -1)
+#define casefold(dst, src) \
+    casefoldx(util_utf8_enable ? CASEF_FLAG_UTF8 : 0, (dst), (src), -1)
+#define casefold_len(dst, src, len) \
+    casefoldx(util_utf8_enable ? CASEF_FLAG_UTF8 : 0, (dst), (src), (len))
+#define casefold_append(dst, src) \
+    casefoldx((util_utf8_enable ? CASEF_FLAG_UTF8 : 0) | CASEF_FLAG_APPEND, \
+		(dst), (src), -1)
+
+#define strcasecmp_utf8(s1, s2) \
+    strcasecmp_utf8x(util_utf8_enable ? CASEF_FLAG_UTF8 : 0, (s1), (s2))
+#define strncasecmp_utf8(s1, s2, l) \
+    strncasecmp_utf8x(util_utf8_enable ? CASEF_FLAG_UTF8 : 0, (s1), (s2), (l))
+
+ /*
+  * Use STRREF(x) instead of x, to shut up compiler warnings when the operand
+  * is a string literal.
+  */
+#define STRREF(x)		(&x[0])
+
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*
+/*	Wietse Venema
+/*	Google, Inc.
+/*	111 8th Avenue
+/*	New York, NY 10011, USA
+/*--*/
+
+#endif