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#include "stdafx.h"

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#include "string.h"

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void ttd_strlcat(char *dst, const char *src, size_t size)

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{

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	assert(size > 0);

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	for (; size > 0 && *dst != '\0'; --size, ++dst) {}

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	assert(size > 0);

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	while (--size > 0 && *src != '\0') *dst++ = *src++;

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	*dst = '\0';

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}

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void ttd_strlcpy(char *dst, const char *src, size_t size)

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{

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	assert(size > 0);

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	while (--size > 0 && *src != '\0') *dst++ = *src++;

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	*dst = '\0';

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}

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char* strecat(char* dst, const char* src, const char* last)

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{

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	assert(last == NULL || dst <= last);

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	for (; *dst != '\0'; ++dst)

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		if (dst == last) return dst;

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	for (; *src != '\0' && dst != last; ++dst, ++src) *dst = *src;

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	*dst = '\0';

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	return strecpy(dst, src, last);

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}

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char* strecpy(char* dst, const char* src, const char* last)

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{

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	assert(last == NULL || dst <= last);

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	for (; *src != '\0' && dst != last; ++dst, ++src) *dst = *src;

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	*dst = '\0';

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	return dst;

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}