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-rw-r--r--src/util/stringops.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/src/util/stringops.h b/src/util/stringops.h
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+++ b/src/util/stringops.h
@@ -0,0 +1,105 @@
+#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 *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 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