Commit c7a41e0c authored by Laurent Aimar's avatar Laurent Aimar

Added a utf8_mkstemp implementation.

parent 3fd3d4a8
......@@ -60,6 +60,8 @@ VLC_EXPORT( int, utf8_lstat, ( const char *filename, struct stat *buf ) );
VLC_EXPORT( int, utf8_vfprintf, ( FILE *stream, const char *fmt, va_list ap ) );
VLC_EXPORT( int, utf8_fprintf, ( FILE *, const char *, ... ) LIBVLC_FORMAT( 2, 3 ) );
VLC_EXPORT( int, utf8_mkstemp, ( char * ) );
VLC_EXPORT( char *, EnsureUTF8, ( char * ) );
VLC_EXPORT( const char *, IsUTF8, ( const char * ) LIBVLC_USED );
......
......@@ -432,3 +432,46 @@ int utf8_unlink( const char *filename )
LocaleFree( local_name );
return ret;
}
int utf8_mkstemp( char *template )
{
static const char digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
static const int i_digits = sizeof(digits)/sizeof(*digits) - 1;
/* */
assert( template );
/* Check template validity */
const size_t i_length = strlen( template );
char *psz_rand = &template[i_length-6];
if( i_length < 6 || strcmp( psz_rand, "XXXXXX" ) )
{
errno = EINVAL;
return -1;
}
uint64_t i_rand = mdate();
/* */
for( int i = 0; i < 256; i++ )
{
/* Create a pseudo random file name */
for( int j = 0; j < 6; j++ )
{
i_rand = i_rand * UINT64_C(1103515245) + 12345;
psz_rand[j] = digits[((i_rand >> 16) & 0xffff) % i_digits];
}
/* */
int fd = utf8_open( template, O_CREAT | O_EXCL | O_RDWR, 0600 );
if( fd >= 0 )
return fd;
if( errno != EEXIST )
return -1;
}
errno = EEXIST;
return -1;
}
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