/usr/include/vlc/plugins/vlc_strings.h is in libvlccore-dev 3.0.1-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* vlc_strings.h: String functions
*****************************************************************************
* Copyright (C) 2006 VLC authors and VideoLAN
* $Id: 9828fbd728ee791d409568405f280634132b91a6 $
*
* Authors: Antoine Cellerier <dionoea at videolan dot org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 VLC_STRINGS_H
#define VLC_STRINGS_H 1
/**
* \defgroup strings String helpers
* @{
* \file
* Helper functions for nul-terminated strings
*/
static inline int vlc_ascii_toupper( int c )
{
if ( c >= 'a' && c <= 'z' )
return c + ( 'A' - 'a' );
else
return c;
}
static inline int vlc_ascii_tolower( int c )
{
if ( c >= 'A' && c <= 'Z' )
return c + ( 'a' - 'A' );
else
return c;
}
/**
* Compare two ASCII strings ignoring case.
*
* The result is independent of the locale. If there are non-ASCII
* characters in the strings, their cases are NOT ignored in the
* comparison.
*/
static inline int vlc_ascii_strcasecmp( const char *psz1, const char *psz2 )
{
const char *s1 = psz1;
const char *s2 = psz2;
int d = vlc_ascii_tolower( *s1 ) - vlc_ascii_tolower( *s2 );
while ( *s1 && d == 0)
{
s1++;
s2++;
d = vlc_ascii_tolower( *s1 ) - vlc_ascii_tolower( *s2 );
}
return d;
}
static inline int vlc_ascii_strncasecmp( const char *psz1, const char *psz2, size_t n )
{
const char *s1 = psz1;
const char *s2 = psz2;
const char *s1end = psz1 + n;
int d = vlc_ascii_tolower( *s1 ) - vlc_ascii_tolower( *s2 );
while ( *s1 && s1 < s1end && d == 0)
{
s1++;
s2++;
d = vlc_ascii_tolower( *s1 ) - vlc_ascii_tolower( *s2 );
}
if (s1 == s1end)
return 0;
else
return d;
}
/**
* Decodes XML entities.
*
* Decodes a null-terminated UTF-8 string of XML character data into a regular
* nul-terminated UTF-8 string. In other words, replaces XML entities and
* numerical character references with the corresponding characters.
*
* This function operates in place (the output is always of smaller or equal
* length than the input) and always succeeds.
*
* \param str null-terminated string [IN/OUT]
*/
VLC_API void vlc_xml_decode(char *st);
/**
* Encodes XML entites.
*
* Substitutes unsafe characters in a null-terminated UTF-8 strings with an
* XML entity or numerical character reference.
*
* \param str null terminated UTF-8 string
* \return On success, a heap-allocated null-terminated string is returned.
* If the input string was not a valid UTF-8 sequence, NULL is returned and
* errno is set to EILSEQ.
* If there was not enough memory, NULL is returned and errno is to ENOMEM.
*/
VLC_API char *vlc_xml_encode(const char *str) VLC_MALLOC;
VLC_API char * vlc_b64_encode_binary( const uint8_t *, size_t );
VLC_API char * vlc_b64_encode( const char * );
VLC_API size_t vlc_b64_decode_binary_to_buffer( uint8_t *p_dst, size_t i_dst_max, const char *psz_src );
VLC_API size_t vlc_b64_decode_binary( uint8_t **pp_dst, const char *psz_src );
VLC_API char * vlc_b64_decode( const char *psz_src );
/**
* Convenience wrapper for strftime().
*
* Formats the current time into a heap-allocated string.
*
* @param tformat time format (as with C strftime())
* @return an allocated string (must be free()'d), or NULL on memory error.
*/
VLC_API char *vlc_strftime( const char * );
/**
* Formats input meta-data.
*
* Formats input and input item meta-informations into a heap-allocated string.
*/
VLC_API char *vlc_strfinput( input_thread_t *, const char * );
static inline char *str_format( input_thread_t *input, const char *fmt )
{
char *s1 = vlc_strftime( fmt );
char *s2 = vlc_strfinput( input, s1 );
free( s1 );
return s2;
}
VLC_API int vlc_filenamecmp(const char *, const char *);
void filename_sanitize(char *);
/**
* @}
*/
#endif
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