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/*
* This file is part of XForms.
*
* XForms 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, or
* (at your option) any later version.
*
* XForms 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 XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file fd_util.c
*
* Eliminate the emission of duplicate info. This is necessary as
* some #include define data (pixmap for example).
*
* We should eventually move the functionality of already_emited in
* fd_printC.c into this function so callback is also checked. This
* probably means we need make struct CodeInfo more efficient.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ctype.h>
#include "fd_main.h"
static char ** dup_info_cache = NULL;
static size_t n_dup_info = 0;
/***************************************
***************************************/
unsigned int
check_resize( unsigned int what,
int nw,
int se )
{
if ( what & FL_RESIZE_X
&& ( nw == FL_NorthWest
|| nw == FL_West
|| nw == FL_SouthWest )
&& ( se == FL_NorthWest
|| se == FL_West
|| se == FL_SouthWest ) )
what &= ~ FL_RESIZE_X;
else if ( ! ( what & FL_RESIZE_X )
&& ( nw == FL_NorthWest
|| nw == FL_West
|| nw == FL_SouthWest )
&& ( se == FL_NorthEast
|| se == FL_East
|| se == FL_SouthEast ) )
what |= ~ FL_RESIZE_X;
if ( what & FL_RESIZE_Y
&& ( nw == FL_NorthWest
|| nw == FL_North
|| nw == FL_NorthEast )
&& ( se == FL_NorthWest
|| se == FL_North
|| se == FL_NorthEast ) )
what &= ~ FL_RESIZE_Y;
else if ( ! ( what & FL_RESIZE_Y )
&& ( nw == FL_NorthWest
|| nw == FL_North
|| nw == FL_NorthEast )
&& ( se == FL_SouthWest
|| se == FL_South
|| se == FL_SouthEast ) )
what |= ~ FL_RESIZE_Y;
return what;
}
/***************************************
***************************************/
void
reset_dupinfo_cache( void )
{
size_t i;
for ( i = 0; i < n_dup_info; i++ )
fl_free( dup_info_cache[ i ] );
fli_safe_free( dup_info_cache );
n_dup_info = 0;
}
/***************************************
***************************************/
int
is_duplicate_info( const char * s )
{
size_t i;
for ( i = 0; i < n_dup_info; i++ )
if ( ! strcmp( s, dup_info_cache[ i ] ) )
return 1;
if ( ! ( ( dup_info_cache =
fl_realloc( dup_info_cache,
++n_dup_info * sizeof dup_info_cache ) )
&& ( dup_info_cache[ n_dup_info - 1 ] = fl_strdup( s ) ) ) )
{
fprintf( stderr, "Running oit of memory\n" );
exit( 1 );
}
return 0;
}
/***************************************
* Returns a newly allocated string with the aboslute path
* for the input path
***************************************/
char *
rel2abs( const char * rel_path )
{
char * abs_path = NULL;
char *res;
if ( *rel_path == '/' )
abs_path = fl_strdup( rel_path );
else
{
long path_max = pathconf( ".", _PC_PATH_MAX );
size_t size;
if ( path_max == -1 )
size = 1024;
else
size = path_max;
while ( 1 )
{
abs_path = fl_realloc( abs_path, size + strlen( rel_path ) + 2 );
if ( ! getcwd( abs_path, size ) )
size += 1024;
else
break;
}
strcat( strcat( abs_path, "/" ), rel_path );
}
while ( ( res = strstr( abs_path, "/./" ) ) )
memmove( res, res + 2, strlen( res ) - 1 );
while ( ( res = strstr( abs_path, "/../" ) ) )
{
if ( res != abs_path )
{
char * dest = res - 1;
while ( *dest != '/' )
dest--;
memmove( dest, res + 3, strlen( res ) - 2 );
}
else
memmove( abs_path, abs_path + 3, strlen( abs_path ) - 2 );
}
return fl_realloc( abs_path, strlen( abs_path ) + 1 );
}
/***************************************
* Returns if a string can be used as a valid C identifier
***************************************/
int
is_valid_c_name( const char * str )
{
const char * sp;
if ( fdopt.lax )
return 1;
if ( ! isascii( ( unsigned char ) *str )
|| ! ( isalpha( ( unsigned char ) *str ) || *str == '_' ) )
return 0;
for ( sp = str + 1; *sp; sp++ )
if ( ! isascii( ( unsigned char ) *sp )
|| ! ( isalnum( ( unsigned char ) *sp ) || *sp == '_' ) )
return 0;
return 1;
}
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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