compat.c File Reference

#include <rosdhcp.h>

Include dependency graph for compat.c:

Go to the source code of this file.

Functions
size_t	strlcpy (char *d, const char *s, size_t bufsize)
u_int32_t	arc4random ()
int	inet_aton (const char *cp, struct in_addr *inp)

Function Documentation

arc4random()

u_int32_t arc4random

(

)

Definition at line 17 of file compat.c.

{
    static int did_srand = 0;
    u_int32_t ret;
 
    if (!did_srand) {
        srand(0);
        did_srand = 1;
    }
 
    ret = rand() << 10 ^ rand();
    return ret;
}

inet_aton()

int inet_aton	(	const char *	cp,
		struct in_addr *	inp
	)

Definition at line 32 of file compat.c.

{
    ULONG Octets[4] = {0,0,0,0};
    ULONG i = 0;
 
    if(!cp)
        return 0;
 
    while(*cp)
    {
        CHAR c = *cp;
        cp++;
 
        if(c == '.')
        {
            i++;
            continue;
        }
 
        if(c < '0' || c > '9')
            return 0;
 
        Octets[i] *= 10;
        Octets[i] += (c - '0');
 
        if(Octets[i] > 255)
            return 0;
        }
 
    inp->S_un.S_addr = (Octets[3] << 24) + (Octets[2] << 16) + (Octets[1] << 8) + Octets[0];
    return 1;
}

strlcpy()

size_t strlcpy	(	char *	d,
		const char *	s,
		size_t	bufsize
	)

Definition at line 3 of file compat.c.

{
        size_t len = strlen(s);
        size_t ret = len;
        if (bufsize > 0) {
                if (len >= bufsize)
                        len = bufsize-1;
                memcpy(d, s, len);
                d[len] = 0;
        }
        return ret;
}

Referenced by assign_file_addresses(), get_graft(), merge_old_directory_into_tree(), merge_remaining_entries(), parse_rr(), parse_rrflags(), read_rcfile(), scan_directory_tree(), searchfileinpath(), searchonefile(), sort_n_finish(), and vers_write().