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gnupg/include/util.h

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/* util.h
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
* 2006 Free Software Foundation, Inc.
*
* This file is part of GNUPG.
*
* GNUPG 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 2 of the License, or
* (at your option) any later version.
*
* GNUPG 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#ifndef G10_UTIL_H
#define G10_UTIL_H
#if defined (_WIN32) || defined (__CYGWIN32__)
#include <stdarg.h>
#endif
#include "types.h"
#include "errors.h"
#include "types.h"
#include "mpi.h"
#include "compat.h"
typedef struct {
int *argc; /* pointer to argc (value subject to change) */
char ***argv; /* pointer to argv (value subject to change) */
unsigned flags; /* Global flags (DO NOT CHANGE) */
int err; /* print error about last option */
/* 1 = warning, 2 = abort */
int r_opt; /* return option */
int r_type; /* type of return value (0 = no argument found)*/
union {
int ret_int;
long ret_long;
ulong ret_ulong;
char *ret_str;
} r; /* Return values */
struct {
int idx;
int inarg;
int stopped;
const char *last;
void *aliases;
const void *cur_alias;
} internal; /* DO NOT CHANGE */
} ARGPARSE_ARGS;
typedef struct {
int short_opt;
const char *long_opt;
unsigned flags;
const char *description; /* optional option description */
} ARGPARSE_OPTS;
/*-- logger.c --*/
void log_set_logfile( const char *name, int fd );
FILE *log_stream(void);
void g10_log_print_prefix(const char *text);
void log_set_name( const char *name );
const char *log_get_name(void);
void log_set_pid( int pid );
int log_get_errorcount( int clear );
void log_inc_errorcount(void);
int log_set_strict(int val);
void g10_log_hexdump( const char *text, const char *buf, size_t len );
#if defined (__riscos__) \
|| (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 ))
void g10_log_bug( const char *fmt, ... )
__attribute__ ((noreturn, format (printf,1,2)));
void g10_log_bug0( const char *, int, const char * ) __attribute__ ((noreturn));
void g10_log_fatal( const char *fmt, ... )
__attribute__ ((noreturn, format (printf,1,2)));
void g10_log_error( const char *fmt, ... ) __attribute__ ((format (printf,1,2)));
void g10_log_info( const char *fmt, ... ) __attribute__ ((format (printf,1,2)));
void g10_log_warning( const char *fmt, ... ) __attribute__ ((format (printf,1,2)));
void g10_log_debug( const char *fmt, ... ) __attribute__ ((format (printf,1,2)));
#ifndef __riscos__
#define BUG() g10_log_bug0( __FILE__ , __LINE__, __FUNCTION__ )
#else
#define BUG() g10_log_bug0( __FILE__ , __LINE__, __func__ )
#endif
#else
void g10_log_bug( const char *fmt, ... );
void g10_log_bug0( const char *, int );
void g10_log_fatal( const char *fmt, ... );
void g10_log_error( const char *fmt, ... );
void g10_log_info( const char *fmt, ... );
void g10_log_warning( const char *fmt, ... );
void g10_log_debug( const char *fmt, ... );
#define BUG() g10_log_bug0( __FILE__ , __LINE__ )
#endif
#define log_hexdump g10_log_hexdump
#define log_bug g10_log_bug
#define log_bug0 g10_log_bug0
#define log_fatal g10_log_fatal
#define log_error g10_log_error
#define log_info g10_log_info
#define log_warning g10_log_warning
#define log_debug g10_log_debug
/*-- errors.c --*/
const char * g10_errstr( int no );
/*-- argparse.c --*/
int arg_parse( ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);
int optfile_parse( FILE *fp, const char *filename, unsigned *lineno,
ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);
void usage( int level );
const char *default_strusage( int level );
/*-- (main program) --*/
const char *strusage( int level );
/*-- dotlock.c --*/
struct dotlock_handle;
typedef struct dotlock_handle *DOTLOCK;
void disable_dotlock(void);
DOTLOCK create_dotlock( const char *file_to_lock );
void destroy_dotlock ( DOTLOCK h );
int make_dotlock( DOTLOCK h, long timeout );
int release_dotlock( DOTLOCK h );
void remove_lockfiles (void);
/*-- fileutil.c --*/
char * make_basename(const char *filepath, const char *inputpath);
char * make_dirname(const char *filepath);
char *make_filename( const char *first_part, ... );
int compare_filenames( const char *a, const char *b );
const char *print_fname_stdin( const char *s );
const char *print_fname_stdout( const char *s );
int is_file_compressed(const char *s, int *r_status);
/*-- miscutil.c --*/
u32 make_timestamp(void);
u32 scan_isodatestr( const char *string );
const char *strtimevalue( u32 stamp );
const char *strtimestamp( u32 stamp ); /* GMT */
const char *isotimestamp( u32 stamp ); /* GMT with hh:mm:ss */
const char *asctimestamp( u32 stamp ); /* localized */
void print_string( FILE *fp, const byte *p, size_t n, int delim );
void print_string2( FILE *fp, const byte *p, size_t n, int delim, int delim2 );
void print_utf8_string( FILE *fp, const byte *p, size_t n );
void print_utf8_string2( FILE *fp, const byte *p, size_t n, int delim);
char *make_printable_string( const byte *p, size_t n, int delim );
int answer_is_yes_no_default( const char *s, int def_answer );
int answer_is_yes( const char *s );
int answer_is_yes_no_quit( const char *s );
int answer_is_okay_cancel (const char *s, int def_answer);
int match_multistr(const char *multistr,const char *match);
/*-- strgutil.c --*/
void free_strlist( STRLIST sl );
#define FREE_STRLIST(a) do { free_strlist((a)); (a) = NULL ; } while(0)
STRLIST add_to_strlist( STRLIST *list, const char *string );
STRLIST add_to_strlist2( STRLIST *list, const char *string, int is_utf8 );
STRLIST append_to_strlist( STRLIST *list, const char *string );
STRLIST append_to_strlist2( STRLIST *list, const char *string, int is_utf8 );
STRLIST strlist_prev( STRLIST head, STRLIST node );
STRLIST strlist_last( STRLIST node );
char *pop_strlist( STRLIST *list );
const char *memistr( const char *buf, size_t buflen, const char *sub );
const char *ascii_memistr( const char *buf, size_t buflen, const char *sub );
char *mem2str( char *, const void *, size_t);
char *trim_spaces( char *string );
unsigned int trim_trailing_chars( byte *line, unsigned int len,
const char *trimchars);
unsigned int trim_trailing_ws( byte *line, unsigned len );
unsigned int check_trailing_chars( const byte *line, unsigned int len,
const char *trimchars );
unsigned int check_trailing_ws( const byte *line, unsigned int len );
int string_count_chr( const char *string, int c );
int set_native_charset( const char *newset );
const char* get_native_charset(void);
char *native_to_utf8( const char *string );
char *utf8_to_native( const char *string, size_t length, int delim);
int check_utf8_string( const char *string );
int ascii_isupper (int c);
int ascii_islower (int c);
int ascii_toupper (int c);
int ascii_tolower (int c);
int ascii_strcasecmp( const char *a, const char *b );
int ascii_strncasecmp( const char *a, const char *b, size_t n);
int ascii_memcasecmp( const char *a, const char *b, size_t n);
#ifndef HAVE_STPCPY
char *stpcpy(char *a,const char *b);
#endif
#ifndef HAVE_STRLWR
char *strlwr(char *a);
#endif
#ifndef HAVE_STRCASECMP
int strcasecmp( const char *, const char *b);
#endif
#ifndef HAVE_STRNCASECMP
int strncasecmp (const char *, const char *b, size_t n);
#endif
#ifndef HAVE_STRTOUL
#define strtoul(a,b,c) ((unsigned long)strtol((a),(b),(c)))
#endif
#ifndef HAVE_MEMMOVE
#define memmove(d, s, n) bcopy((s), (d), (n))
#endif
/*-- membuf.c --*/
/* The definition of the structure is private, we only need it here,
so it can be allocated on the stack. */
struct private_membuf_s {
size_t len;
size_t size;
char *buf;
int out_of_core;
};
typedef struct private_membuf_s membuf_t;
void init_membuf (membuf_t *mb, int initiallen);
void put_membuf (membuf_t *mb, const void *buf, size_t len);
void *get_membuf (membuf_t *mb, size_t *len);
#if defined (_WIN32)
/*-- w32reg.c --*/
char *read_w32_registry_string( const char *root,
const char *dir, const char *name );
int write_w32_registry_string(const char *root, const char *dir,
const char *name, const char *value);
/*-- strgutil.c --*/
int vasprintf (char **result, const char *format, va_list args);
int asprintf (char **buf, const char *fmt, ...);
#endif /*_WIN32*/
/*-- pka.c --*/
char *get_pka_info (const char *address, unsigned char *fpr);
/*-- cert.c --*/
int get_cert(const char *name,size_t max_size,IOBUF *iobuf,
unsigned char **fpr,size_t *fpr_len,char **url);
/**** other missing stuff ****/
#ifndef HAVE_ATEXIT /* For SunOS */
#define atexit(a) (on_exit((a),0))
#endif
#ifndef HAVE_RAISE
#define raise(a) kill(getpid(), (a))
#endif
/*-- Replacement functions from funcname.c --*/
/******** some macros ************/
#ifndef STR
#define STR(v) #v
#endif
#define STR2(v) STR(v)
#define DIM(v) (sizeof(v)/sizeof((v)[0]))
#define DIMof(type,member) DIM(((type *)0)->member)
#define wipememory2(_ptr,_set,_len) do { volatile char *_vptr=(volatile char *)(_ptr); size_t _vlen=(_len); while(_vlen) { *_vptr=(_set); _vptr++; _vlen--; } } while(0)
#define wipememory(_ptr,_len) wipememory2(_ptr,0,_len)
/*-- macros to replace ctype ones and avoid locale problems --*/
#define spacep(p) (*(p) == ' ' || *(p) == '\t')
#define digitp(p) (*(p) >= '0' && *(p) <= '9')
#define hexdigitp(a) (digitp (a) \
|| (*(a) >= 'A' && *(a) <= 'F') \
|| (*(a) >= 'a' && *(a) <= 'f'))
/* the atoi macros assume that the buffer has only valid digits */
#define atoi_1(p) (*(p) - '0' )
#define atoi_2(p) ((atoi_1(p) * 10) + atoi_1((p)+1))
#define atoi_4(p) ((atoi_2(p) * 100) + atoi_2((p)+2))
#define xtoi_1(p) (*(p) <= '9'? (*(p)- '0'): \
*(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10))
#define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1))
/******* RISC OS stuff ***********/
#ifdef __riscos__
int riscos_load_module(const char *name, const char * const path[], int fatal);
int riscos_get_filetype_from_string(const char *string, int len);
int riscos_get_filetype(const char *filename);
void riscos_set_filetype_by_number(const char *filename, int type);
void riscos_set_filetype_by_mimetype(const char *filename, const char *mimetype);
pid_t riscos_getpid(void);
int riscos_kill(pid_t pid, int sig);
int riscos_access(const char *path, int amode);
int riscos_getchar(void);
char *riscos_make_basename(const char *filepath, const char *inputpath);
int riscos_check_regexp(const char *exp, const char *string, int debug);
int riscos_fdopenfile(const char *filename, const int allow_write);
void riscos_close_fds(void);
int riscos_renamefile(const char *old, const char *new);
char *riscos_gstrans(const char *old);
void riscos_not_implemented(const char *feature);
#ifdef DEBUG
void riscos_dump_fdlist(void);
void riscos_list_openfiles(void);
#endif
#ifndef __RISCOS__C__
#define getpid riscos_getpid
#define kill(a,b) riscos_kill((a),(b))
#define access(a,b) riscos_access((a),(b))
#endif /* !__RISCOS__C__ */
#endif /* __riscos__ */
#endif /*G10_UTIL_H*/
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