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/*
* $Id: gettok.c,v 1.6 2009-10-13 22:55:37 didg Exp $
*
* Copyright (c) 1990,1994 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <sys/param.h>
/* STDC check */
#if STDC_HEADERS
#include <string.h>
#else /* STDC_HEADERS */
#ifndef HAVE_STRCHR
#define strchr index
#define strrchr index
#endif /* HAVE_STRCHR */
char *strchr (), *strrchr ();
#ifndef HAVE_MEMCPY
#define memcpy(d,s,n) bcopy ((s), (d), (n))
#define memmove(d,s,n) bcopy ((s), (d), (n))
#endif /* ! HAVE_MEMCPY */
#endif /* STDC_HEADERS */
#include <ctype.h>
#include <pwd.h>
#include <atalk/globals.h>
static char *l_curr;
static char *l_end;
void initline( int len, char *line)
{
l_curr = line;
l_end = line + len;
}
#define ST_QUOTE 0
#define ST_WORD 1
#define ST_BEGIN 2
int
parseline(int len, char *token)
{
char *p, *e;
int state;
state = ST_BEGIN;
p = token;
e = token + len;
for (;;) {
if ( l_curr > l_end ) { /* end of line */
*token = '\0';
return( -1 );
}
switch ( *l_curr ) {
case '"' :
if ( state == ST_QUOTE ) {
state = ST_WORD;
} else {
state = ST_QUOTE;
}
break;
case '\0' :
case '\t' :
case '\n' :
case ' ' :
if ( state == ST_WORD ) {
*p = '\0';
return( p - token );
}
if ( state != ST_QUOTE ) {
break;
}
/* FALL THROUGH */
default :
if ( state == ST_BEGIN ) {
state = ST_WORD;
}
if ( p > e ) { /* end of token */
*token = '\0';
return( -1 );
}
*p++ = *l_curr;
break;
}
l_curr++;
}
}
#ifdef notdef
void parseline(char *token, char *user)
{
char *p = pos, *t = token, *u, *q, buf[ MAXPATHLEN ];
struct passwd *pwent;
int quoted = 0;
while ( isspace( *p )) {
p++;
}
/*
* If we've reached the end of the line, or a comment,
* don't return any more tokens.
*/
if ( *p == '\0' || *p == '#' ) {
*token = '\0';
return;
}
if ( *p == '"' ) {
p++;
quoted = 1;
}
while ( *p != '\0' && ( quoted || !isspace( *p ))) {
if ( *p == '"' ) {
if ( quoted ) {
*t = '\0';
break;
}
quoted = 1;
p++;
} else {
*t++ = *p++;
}
}
pos = p;
*t = '\0';
/*
* We got to the end of the line without closing an open quote
*/
if ( *p == '\0' && quoted ) {
*token = '\0';
return;
}
t = token;
if ( *t == '~' ) {
t++;
if ( *t == '\0' || *t == '/' ) {
u = user;
if ( *t == '/' ) {
t++;
}
} else {
u = t;
if (( q = strchr( t, '/' )) == NULL ) {
t = "";
} else {
*q = '\0';
t = q + 1;
}
}
if ( u == NULL || ( pwent = getpwnam( u )) == NULL ) {
*token = '\0';
return;
}
strcpy( buf, pwent->pw_dir );
if ( *t != '\0' ) {
strcat( buf, "/" );
strcat( buf, t );
}
strcpy( token, buf );
}
return;
}
#endif /* notdef */
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