1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "string.h"

     5

     6

#include <stdarg.h>

     7

#include <ctype.h> // required for tolower()

     8

     9

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

    10

{

    11

	assert(size > 0);

    12

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

    13

	assert(size > 0);

    14

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

    15

	*dst = '\0';

    16

}

    17

    18

    19

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

    20

{

    21

	assert(size > 0);

    22

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

    23

	*dst = '\0';

    24

}

    25

    26

    27

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

    28

{

    29

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

    30

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

    31

		if (dst == last) return dst;

    32

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

    33

	*dst = '\0';

    34

	return strecpy(dst, src, last);

    35

}

    36

    37

    38

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

    39

{

    40

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

    41

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

    42

	*dst = '\0';

    43

	return dst;

    44

}

    45

    46

    47

char* CDECL str_fmt(const char* str, ...)

    48

{

    49

	char buf[4096];

    50

	va_list va;

    51

	int len;

    52

	char* p;

    53

    54

	va_start(va, str);

    55

	len = vsprintf(buf, str, va);

    56

	va_end(va);

    57

	p = malloc(len + 1);

    58

	if (p != NULL) memcpy(p, buf, len + 1);

    59

	return p;

    60

}

    61

    62

void str_validate(char *str)

    63

{

    64

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

    65

		if (!IsValidAsciiChar(*str)) *str = '?';

    66

}

    67

    68

void strtolower(char *str)

    69

{

    70

	for (; *str != '\0'; str++) *str = tolower(*str);

    71

}