63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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/*
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File : utils.H
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Author : Riccardo Bettati
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Modified : 2017/05/02
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Description : Various definitions (NULL) and
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utility functions (e.g. abort, memory and
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string functions).
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*/
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#ifndef _utils_h_
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#define _utils_h_
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/*---------------------------------------------------------------*/
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/* GENERAL CONSTANTS */
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/*---------------------------------------------------------------*/
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#ifndef NULL
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# define NULL 0
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#endif
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/*---------------------------------------------------------------*/
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/* ABORT */
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/*---------------------------------------------------------------*/
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void abort();
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/* Stop execution. */
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/*---------------------------------------------------------------*/
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/* SIMPLE MEMORY OPERATIONS */
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/*---------------------------------------------------------------*/
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void *memcpy(void *dest, const void *src, int count);
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/* Copy _count bytes from _src to _dest. (No check for uverlapping) */
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void *memset(void *dest, char val, int count);
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/* Set _count bytes to value _val, starting from location _dest. */
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unsigned short *memsetw(unsigned short *dest, unsigned short val, int count);
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/* Same as above, but operations are 16-bit wide. */
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/*---------------------------------------------------------------*/
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/* SIMPLE STRING OPERATIONS (STRINGS ARE NULL-TERMINATED) */
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/*---------------------------------------------------------------*/
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int strlen(const char * _str);
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/* Determine the length of null-terminated string. */
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void strcpy(char * _dst, char * _src);
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/* Copy null-terminated string from _src to _dst. */
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void int2str(int _num, char * _str);
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/* Convert int to null-terminated string. */
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void uint2str(unsigned int _num, char * _str);
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/* Convert unsigned int to null-terminated string. */
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#endif
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