130 lines
4.2 KiB
C
130 lines
4.2 KiB
C
/***************************************************************************
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tools.h - description
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-------------------
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begin : Fri Jan 19 2001
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copyright : (C) 2001 by Michael Speck
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email : kulkanie@gmx.net
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef __TOOLS_H
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#define __TOOLS_H
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/* this file contains some useful tools */
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/* free with a check */
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#define FREE( ptr ) { if ( ptr ) free( ptr ); ptr = 0; }
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/* check if a serious of flags is set in source */
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#define CHECK_FLAGS( source, flags ) ( source & (flags) )
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/* return random value between ( and including ) upper,lower limit */
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#define RANDOM( lower, upper ) ( ( rand() % ( ( upper ) - ( lower ) + 1 ) ) + ( lower ) )
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/* compute distance of two vectors */
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#define VEC_DIST( vec1, vec2 ) ( sqrt( ( vec1.x - vec2.x ) * ( vec1.x - vec2.x ) + ( vec1.y - vec2.y ) * ( vec1.y - vec2.y ) ) )
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/* return true if strings are fully equal */
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#define STRCMP( str1, str2 ) ( ( strlen( str1 ) == strlen( str2 ) ) && !strncmp( str1, str2, strlen( str1 ) ) )
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/* return minimum */
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#define MINIMUM( a, b ) ((a<b)?a:b)
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/* return maximum */
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#define MAXIMUM( a, b ) ((a>b)?a:b)
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/* square value */
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#define SQUARE( x ) ((x)*(x))
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/* compares to strings and returns true if their first strlen(str1) chars are equal */
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int strequal( char *str1, char *str2 );
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/* delete lines */
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void delete_lines( char **lines, int line_number );
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/* delay struct */
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typedef struct {
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int limit;
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int cur;
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} Delay;
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/* set delay to ms milliseconds */
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void delay_set( Delay *delay, int ms );
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/* reset delay ( cur = 0 )*/
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void delay_reset( Delay *delay );
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/* check if time's out ( add ms milliseconds )and reset */
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int delay_timed_out( Delay *delay, int ms );
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/* return distance betwteen to map positions */
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int get_dist( int x1, int y1, int x2, int y2 );
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/* init random seed by using ftime */
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void set_random_seed();
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/* get coordintaes from string */
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void get_coord( char *str, int *x, int *y );
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// text structure //
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typedef struct {
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char **lines;
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int count;
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} Text;
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// convert a str into text ( for listbox ) //
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Text* create_text( char *str, int char_width );
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// delete text //
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void delete_text( Text *text );
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/*
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====================================================================
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Get type and prefix from string:
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type::prefix
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Set both pointers 0 if failure.
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====================================================================
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*/
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void get_type_and_prefix( char *arg, char **ext, char **prefix );
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/*
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====================================================================
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Replace any existence of character old into new.
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====================================================================
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*/
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void strrepl( char **str, char c_old, char c_new );
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/*
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====================================================================
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Copy source to dest and at maximum limit chars. Terminate with 0.
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====================================================================
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*/
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void strcpy_lt( char *dest, char *src, int limit );
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/*
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====================================================================
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Parse a version string and return the major version and the current
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update.
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====================================================================
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*/
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void parse_version( char *string, int *version, int *update );
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/* allocate memory or exit with error if out of it */
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void *salloc( int num, int size );
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/* print contents of pointer raw */
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void print_raw( int len, char *buf );
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/* check whether a string does only contain letters, digits or
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* underscores */
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int is_alphanum( char *str );
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#endif
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