57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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* Copyright (c) 1989 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#include <popper.h>
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__RCSID("$KTH-KRB: pop_parse.c,v 1.9 1999/03/13 21:17:27 assar Exp $"
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"$NetBSD: pop_parse.c,v 1.1.1.3 2002/09/12 12:22:06 joda Exp $");
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/*
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* parse: Parse a raw input line from a POP client
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* into null-delimited tokens
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*/
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int
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pop_parse(POP *p, char *buf)
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{
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char * mp;
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int i;
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/* Loop through the POP command array */
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for (mp = buf, i = 0; ; i++) {
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/* Skip leading spaces and tabs in the message */
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while (isspace((unsigned char)*mp))mp++;
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/* Are we at the end of the message? */
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if (*mp == 0) break;
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/* Have we already obtained the maximum allowable parameters? */
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if (i >= MAXPARMCOUNT) {
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pop_msg(p,POP_FAILURE,"Too many arguments supplied.");
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return(-1);
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}
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/* Point to the start of the token */
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p->pop_parm[i] = mp;
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/* Search for the first space character (end of the token) */
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while (!isspace((unsigned char)*mp) && *mp) mp++;
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/* Delimit the token with a null */
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if (*mp) *mp++ = 0;
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}
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/* Were any parameters passed at all? */
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if (i == 0) return (-1);
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/* Convert the first token (POP command) to lower case */
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strlwr(p->pop_command);
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/* Return the number of tokens extracted minus the command itself */
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return (i-1);
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}
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