44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "mem.h"
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#include "mem_utils.h"
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void *mem_alloc_and_copy(const void *data, size_t size)
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{
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void *mem_ptr;
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if ((mem_ptr = mem_alloc(size)) != NULL)
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{
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memmove(mem_ptr, data, size);
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}
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return mem_ptr;
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}
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char *mem_alloc_and_copy_char(char c)
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{
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return mem_alloc_and_copy(&c, sizeof(char));
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}
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/**
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* Format an unsigned number up to 32-bit into memory into an ASCII string.
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*
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* @param[in] value Value to write in memory
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* @param[in] max_chars Maximum number of characters that could be written
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*
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* @return how many characters have been written in memory, 0 in case of an allocation error
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*/
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uint8_t mem_alloc_and_format_uint(uint32_t value, const uint8_t max_chars)
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{
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char *ptr;
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uint8_t written_chars;
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if ((ptr = mem_alloc(sizeof(char) * max_chars)) == NULL)
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{
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return 0;
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}
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written_chars = sprintf(ptr, "%u", value);
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mem_dealloc(max_chars - written_chars); // in case it ended up being less
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return written_chars;
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}
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