strlcpy.c File Reference

#include "c.h"

Include dependency graph for strlcpy.c:

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Functions
size_t	strlcpy (char *dst, const char *src, size_t siz)

Function Documentation

strlcpy()

size_t strlcpy	(	char *	dst,
		const char *	src,
		size_t	siz
	)

Definition at line 45 of file strlcpy.c.

{
    char       *d = dst;
    const char *s = src;
    size_t      n = siz;
 
    /* Copy as many bytes as will fit */
    if (n != 0)
    {
        while (--n != 0)
        {
            if ((*d++ = *s++) == '\0')
                break;
        }
    }
 
    /* Not enough room in dst, add NUL and traverse rest of src */
    if (n == 0)
    {
        if (siz != 0)
            *d = '\0';          /* NUL-terminate dst */
        while (*s++)
            ;
    }
 
    return (s - src - 1);       /* count does not include NUL */
}

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