[unix-history] / usr / src / lib / libcompat / 4.1 / getpw.c

/* @(#)getpw.c	4.1 (Berkeley) %G% */
#include	<stdio.h>

getpw(uid, buf)
int uid;
char buf[];
{
	static FILE *pwf;
	register n, c;
	register char *bp;

	if(pwf == 0)
		pwf = fopen("/etc/passwd", "r");
	if(pwf == NULL)
		return(1);
	rewind(pwf);

	for (;;) {
		bp = buf;
		while((c=getc(pwf)) != '\n') {
			if(c == EOF)
				return(1);
			*bp++ = c;
		}
		*bp++ = '\0';
		bp = buf;
		n = 3;
		while(--n)
		while((c = *bp++) != ':')
			if(c == '\n')
				return(1);
		while((c = *bp++) != ':') {
			if(c<'0' || c>'9')
				continue;
			n = n*10+c-'0';
		}
		if(n == uid)
			return(0);
	}
}
Commit	Line	Data
0a237a55 BJ	1	/* @(#)getpw.c 4.1 (Berkeley) %G% */
	2	#include <stdio.h>
	3
	4	getpw(uid, buf)
	5	int uid;
	6	char buf[];
	7	{
	8	static FILE *pwf;
	9	register n, c;
	10	register char *bp;
	11
	12	if(pwf == 0)
	13	pwf = fopen("/etc/passwd", "r");
	14	if(pwf == NULL)
	15	return(1);
	16	rewind(pwf);
	17
	18	for (;;) {
	19	bp = buf;
	20	while((c=getc(pwf)) != '\n') {
	21	if(c == EOF)
	22	return(1);
	23	*bp++ = c;
	24	}
	25	*bp++ = '\0';
	26	bp = buf;
	27	n = 3;
	28	while(--n)
	29	while((c = *bp++) != ':')
	30	if(c == '\n')
	31	return(1);
	32	while((c = *bp++) != ':') {
	33	if(c<'0' \|\| c>'9')
	34	continue;
	35	n = n*10+c-'0';
	36	}
	37	if(n == uid)
	38	return(0);
	39	}
	40	}