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/*
* Copyright (c) 1989 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ifndef lint
static char copyright[] = "Copyright (c) 1990 Regents of the University of California.\nAll rights reserved.\n";
/* based on @(#)pop_parse.c 2.1 3/18/91 */
#endif
#include <stdio.h>
#include <sys/types.h>
#include <ctype.h>
#include "popper.h"
/*
* parse: Parse a raw input line from a POP client
* into null-delimited tokens
*/
pop_parse(p,buf)
POP * p;
char * buf; /* Pointer to a message containing
the line from the client */
{
char * mp;
register int i;
/* Loop through the POP command array */
for (mp = buf, i = 0; ; i++) {
/* Skip leading spaces and tabs in the message */
while (isspace(*mp))mp++;
/* Are we at the end of the message? */
if (*mp == 0) break;
/* Have we already obtained the maximum allowable parameters? */
if (i >= MAXPARMCOUNT) {
pop_msg(p,POP_FAILURE,"Too many arguments supplied.");
return(-1);
}
/* Point to the start of the token */
p->pop_parm[i] = mp;
/* Search for the first space character (end of the token) */
while (!isspace(*mp) && *mp) mp++;
/* Delimit the token with a null */
if (*mp) *mp++ = 0;
}
/* Were any parameters passed at all? */
if (i == 0) return (-1);
/* Convert the first token (POP command) to lower case */
pop_lower(p->pop_command);
/* Return the number of tokens extracted minus the command itself */
return (i-1);
}
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