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/* stringhelp.h
* Copyright (C) 1998, 1999, 2000, 2001, 2003,
* 2006, 2007, 2009 Free Software Foundation, Inc.
* 2015 g10 Code GmbH
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute and/or modify this
* part of GnuPG under the terms of either
*
* - the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* or
*
* - 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.
*
* or both in parallel, as here.
*
* 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 copies of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, see <https://www.gnu.org/licenses/>.
*/
#ifndef GNUPG_COMMON_STRINGHELP_H
#define GNUPG_COMMON_STRINGHELP_H
#include <stdint.h>
#include "types.h"
/*-- stringhelp.c --*/
char *has_leading_keyword (const char *string, const char *keyword);
const char *memistr (const void *buf, size_t buflen, const char *sub);
char *mem2str( char *, const void *, size_t);
char *trim_spaces( char *string );
char *ascii_trim_spaces (char *string);
char *trim_trailing_spaces( char *string );
unsigned int trim_trailing_chars( unsigned char *line, unsigned len,
const char *trimchars);
unsigned int trim_trailing_ws( unsigned char *line, unsigned len );
size_t length_sans_trailing_chars (const unsigned char *line, size_t len,
const char *trimchars );
size_t length_sans_trailing_ws (const unsigned char *line, size_t len);
char *make_basename(const char *filepath, const char *inputpath);
char *make_dirname(const char *filepath);
char *make_filename( const char *first_part, ... ) GPGRT_ATTR_SENTINEL(0);
char *make_filename_try (const char *first_part, ... ) GPGRT_ATTR_SENTINEL(0);
char *make_absfilename (const char *first_part, ...) GPGRT_ATTR_SENTINEL(0);
char *make_absfilename_try (const char *first_part,
...) GPGRT_ATTR_SENTINEL(0);
int compare_filenames( const char *a, const char *b );
uint64_t string_to_u64 (const char *string);
int hextobyte (const char *s);
size_t utf8_charcount (const char *s, int len);
#ifdef HAVE_W32_SYSTEM
const char *w32_strerror (int ec);
#endif
int ascii_isupper (int c);
int ascii_islower (int c);
int ascii_toupper (int c);
int ascii_tolower (int c);
char *ascii_strlwr (char *s);
char *ascii_strupr (char *s);
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 void *a, const void *b, size_t n );
const char *ascii_memistr ( const void *buf, size_t buflen, const char *sub);
void *ascii_memcasemem (const void *haystack, size_t nhaystack,
const void *needle, size_t nneedle);
#ifndef HAVE_MEMICMP
int memicmp( const char *a, const char *b, size_t n );
#endif
#ifndef HAVE_STPCPY
char *stpcpy(char *a,const char *b);
#endif
#ifndef HAVE_STRPBRK
char *strpbrk (const char *s, const char *accept);
#endif
#ifndef HAVE_STRSEP
char *strsep (char **stringp, const char *delim);
#endif
#ifndef HAVE_STRLWR
char *strlwr(char *a);
#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
#ifndef HAVE_STRICMP
# define stricmp(a,b) strcasecmp( (a), (b) )
#endif
#ifndef HAVE_MEMRCHR
void *memrchr (const void *buffer, int c, size_t n);
#endif
#ifndef HAVE_ISASCII
static inline int
isascii (int c)
{
return (((c) & ~0x7f) == 0);
}
#endif /* !HAVE_ISASCII */
#ifndef STR
# define STR(v) #v
#endif
#define STR2(v) STR(v)
/* Percent-escape the string STR by replacing colons with '%3a'. If
EXTRA is not NULL, also replace all characters given in EXTRA. The
"try_" variant fails with NULL if not enough memory can be
allocated. */
char *percent_escape (const char *str, const char *extra);
char *try_percent_escape (const char *str, const char *extra);
/* Concatenate the string S1 with all the following strings up to a
NULL. Returns a malloced buffer with the new string or NULL on a
malloc error or if too many arguments are given. */
char *strconcat (const char *s1, ...) GPGRT_ATTR_SENTINEL(0);
/* Same but taking a va_list. */
char *vstrconcat (const char *s1, va_list arg_ptr);
/* Ditto, but die on error. */
char *xstrconcat (const char *s1, ...) GPGRT_ATTR_SENTINEL(0);
char **strsplit (char *string, char delim, char replacement, int *count);
/* Tokenize STRING using the set of delimiters in DELIM. */
char **strtokenize (const char *string, const char *delim);
/* Tokenize STRING using the set of delimiters in DELIM but do not
* trim the tokens. */
char **strtokenize_nt (const char *string, const char *delim);
/* Split STRING into space delimited fields and store them in the
* provided ARRAY. */
int split_fields (char *string, char **array, int arraysize);
/* Split STRING into colon delimited fields and store them in the
* provided ARRAY. */
int split_fields_colon (char *string, char **array, int arraysize);
/* Return True if MYVERSION is greater or equal than REQ_VERSION. */
int compare_version_strings (const char *my_version, const char *req_version);
/* Format a string so that it fits within about TARGET_COLS columns. */
char *format_text (const char *text, int target_cols, int max_cols);
/* Substitute environmen variabales in STRING. */
char *substitute_envvars (const char *string);
/*-- mapstrings.c --*/
const char *map_static_macro_string (const char *string);
const char *map_static_strings (const char *domain, int key1, int key2,
const char *string1, ...);
#endif /*GNUPG_COMMON_STRINGHELP_H*/
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