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#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
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