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[Change] Made lstd much simpler.

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This commit is contained in:
Allanis 2014-05-26 17:49:33 +01:00
parent 5304f73970
commit d7aa607380
2 changed files with 20 additions and 60 deletions
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56
src/lstd.c
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@ -1,56 +0,0 @@
/**
* @file lstd.c
*
* @brief Portable replacements for some functions.
*/
#include "lstd.h"
#define lstd_checkascii(k) ((k & 0xff) == k) /**< Check to see if k is in ascii area. */
/**
* @brief Check to see if a key is alpha.
* @param k Key to check.
* @return 1 if is alpha.
*/
int lstd_isalpha(SDLKey k) {
int ret;
ret = 0;
/* Alpha. */
if((k >= SDLK_a) && (k <= SDLK_z))
ret = 1;
return ret;
}
/**
* @brief Check to see if a key is alphanumeric.
* @param k Key to check.
* @return 1 if is alphanumeric.
*/
int lstd_isalnum(SDLKey k) {
int ret;
ret = 0;
/* Alpha. */
if((k >= SDLK_a) && (k <= SDLK_z))
ret = 1;
/* Number. */
if((k >= SDLK_0) && (k <= SDLK_9))
ret = 1;
return ret;
}
/**
* @brief Check to see if a key is a control character.
* @param k Key to check.
* @param 1 if is a control character.
*/
int lstd_iscntrl(SDLKey k) {
return lstd_checkascii(k) ? iscntrl(k) : 0;
}

24
src/lstd.h
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@ -1,7 +1,23 @@
#pragma once
#include <SDL/SDL.h>
#include <ctype.h>
int lstd_isalpha(SDLKey k);
int lstd_isalnum(SDLKey k);
int lstd_iscntrl(SDLKey k);
/**
* @brief Check to see if k is in ascii area.
*/
#define lstd_checkascii(k) ((k & 0xff) == k)
/**
* @brief Check see if a key is alpha.
*/
#define lstd_isalpha(k) (lstd_checkascii(k) ? isalpha(k) : 0)
/**
* @brief Check see if a key is alphanumeric.
*/
#define lstd_isalnum(k) (lstd_checkascii(k) ? isalnum(k) : 0)
/**
* @brief Check see if a key is a control character.
*/
#define lstd_iscntrl(k) (lstd_checkascii(k) ? iscntrl(k) : 0)