/* $OpenBSD: cmd1.c,v 1.13 1998/05/11 04:15:24 millert Exp $ */ /* $NetBSD: cmd1.c,v 1.9 1997/07/09 05:29:48 mikel Exp $ */ /*- * Copyright (c) 1980, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint #if 0 static char sccsid[] = "@(#)cmd1.c 8.2 (Berkeley) 4/20/95"; #else static char rcsid[] = "$OpenBSD: cmd1.c,v 1.13 1998/05/11 04:15:24 millert Exp $"; #endif #endif /* not lint */ #include "rcv.h" #include "extern.h" /* * Mail -- a mail program * * User commands. */ /* * Print the current active headings. * Don't change dot if invoker didn't give an argument. */ static int screen; int headers(v) void *v; { int *msgvec = v; int n, mesg, flag, size; struct message *mp; size = screensize(); n = msgvec[0]; if (n != 0) screen = (n-1)/size; if (screen < 0) screen = 0; mp = &message[screen * size]; if (mp >= &message[msgCount]) mp = &message[msgCount - size]; if (mp < &message[0]) mp = &message[0]; flag = 0; mesg = mp - &message[0]; if (dot != &message[n-1]) dot = mp; for (; mp < &message[msgCount]; mp++) { mesg++; if (mp->m_flag & MDELETED) continue; if (flag++ >= size) break; printhead(mesg); } if (flag == 0) { puts("No more mail."); return(1); } return(0); } /* * Scroll to the next/previous screen */ int scroll(v) void *v; { char *arg = v; int size, maxscreen; int cur[1]; cur[0] = 0; size = screensize(); maxscreen = (msgCount - 1) / size; switch (*arg) { case 0: case '+': if (screen >= maxscreen) { puts("On last screenful of messages"); return(0); } screen++; break; case '-': if (screen <= 0) { puts("On first screenful of messages"); return(0); } screen--; break; default: printf("Unrecognized scrolling command \"%s\"\n", arg); return(1); } return(headers(cur)); } /* * Compute screen size. */ int screensize() { int s; char *cp; if ((cp = value("screen")) != NULL && (s = atoi(cp)) > 0) return(s); return(screenheight - 4); } /* * Print out the headlines for each message * in the passed message list. */ int from(v) void *v; { int *msgvec = v; int *ip; for (ip = msgvec; *ip != NULL; ip++) printhead(*ip); if (--ip >= msgvec) dot = &message[*ip - 1]; return(0); } /* * Print out the header of a specific message. * This is a slight improvement to the standard one. */ void printhead(mesg) int mesg; { struct message *mp; char headline[LINESIZE], wcount[LINESIZE], *subjline, dispc, curind; char pbuf[BUFSIZ]; struct headline hl; int subjlen; char *name; mp = &message[mesg-1]; (void)readline(setinput(mp), headline, LINESIZE); if ((subjline = hfield("subject", mp)) == NULL) subjline = hfield("subj", mp); /* * Bletch! */ curind = dot == mp ? '>' : ' '; dispc = ' '; if (mp->m_flag & MSAVED) dispc = '*'; if (mp->m_flag & MPRESERVE) dispc = 'P'; if ((mp->m_flag & (MREAD|MNEW)) == MNEW) dispc = 'N'; if ((mp->m_flag & (MREAD|MNEW)) == 0) dispc = 'U'; if (mp->m_flag & MBOX) dispc = 'M'; parse(headline, &hl, pbuf); (void)snprintf(wcount, sizeof(wcount), "%3d/%-5d", mp->m_lines, mp->m_size); subjlen = screenwidth - 50 - strlen(wcount); name = value("show-rcpt") != NULL ? skin(hfield("to", mp)) : nameof(mp, 0); if (subjline == NULL || subjlen < 0) /* pretty pathetic */ printf("%c%c%3d %-20.20s %16.16s %s\n", curind, dispc, mesg, name, hl.l_date, wcount); else printf("%c%c%3d %-20.20s %16.16s %s \"%.*s\"\n", curind, dispc, mesg, name, hl.l_date, wcount, subjlen, subjline); } /* * Print out the value of dot. */ int pdot(v) void *v; { printf("%d\n", (int)(dot - &message[0] + 1)); return(0); } /* * Print out all the possible commands. */ int pcmdlist(v) void *v; { extern const struct cmd cmdtab[]; const struct cmd *cp; int cc; puts("Commands are:"); for (cc = 0, cp = cmdtab; cp->c_name != NULL; cp++) { cc += strlen(cp->c_name) + 2; if (cc > 72) { putchar('\n'); cc = strlen(cp->c_name) + 2; } if ((cp+1)->c_name != NULL) printf("%s, ", cp->c_name); else puts(cp->c_name); } return(0); } /* * Paginate messages, honor ignored fields. */ int more(v) void *v; { int *msgvec = v; return(type1(msgvec, 1, 1)); } /* * Paginate messages, even printing ignored fields. */ int More(v) void *v; { int *msgvec = v; return(type1(msgvec, 0, 1)); } /* * Type out messages, honor ignored fields. */ int type(v) void *v; { int *msgvec = v; return(type1(msgvec, 1, 0)); } /* * Type out messages, even printing ignored fields. */ int Type(v) void *v; { int *msgvec = v; return(type1(msgvec, 0, 0)); } /* * Type out the messages requested. */ sigjmp_buf pipestop; int type1(msgvec, doign, page) int *msgvec; int doign, page; { int nlines, *ip; struct message *mp; char *cp; FILE *obuf; #if __GNUC__ /* Avoid siglongjmp clobbering */ (void)&cp; (void)&obuf; #endif obuf = stdout; if (sigsetjmp(pipestop, 1)) goto close_pipe; if (value("interactive") != NULL && (page || (cp = value("crt")) != NULL)) { nlines = 0; if (!page) { for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) nlines += message[*ip - 1].m_lines; } if (page || nlines > (*cp ? atoi(cp) : realscreenheight)) { cp = value("PAGER"); if (cp == NULL || *cp == '\0') cp = _PATH_MORE; obuf = Popen(cp, "w"); if (obuf == NULL) { warn(cp); obuf = stdout; } else (void)signal(SIGPIPE, brokpipe); } } for (ip = msgvec; *ip && ip - msgvec < msgCount; ip++) { mp = &message[*ip - 1]; touch(mp); dot = mp; if (value("quiet") == NULL) fprintf(obuf, "Message %d:\n", *ip); (void)send(mp, obuf, doign ? ignore : 0, NULL); } close_pipe: if (obuf != stdout) { /* * Ignore SIGPIPE so it can't cause a duplicate close. */ (void)signal(SIGPIPE, SIG_IGN); (void)Pclose(obuf); (void)signal(SIGPIPE, SIG_DFL); } return(0); } /* * Respond to a broken pipe signal -- * probably caused by quitting more. */ void brokpipe(signo) int signo; { siglongjmp(pipestop, 1); } /* * Print the top so many lines of each desired message. * The number of lines is taken from the variable "toplines" * and defaults to 5. */ int top(v) void *v; { int *msgvec = v; int *ip; struct message *mp; int c, topl, lines, lineb; char *valtop, linebuf[LINESIZE]; FILE *ibuf; topl = 5; valtop = value("toplines"); if (valtop != NULL) { topl = atoi(valtop); if (topl < 0 || topl > 10000) topl = 5; } lineb = 1; for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { mp = &message[*ip - 1]; touch(mp); dot = mp; if (value("quiet") == NULL) printf("Message %d:\n", *ip); ibuf = setinput(mp); c = mp->m_lines; if (!lineb) putchar('\n'); for (lines = 0; lines < c && lines <= topl; lines++) { if (readline(ibuf, linebuf, sizeof(linebuf)) < 0) break; puts(linebuf); lineb = blankline(linebuf); } } return(0); } /* * Touch all the given messages so that they will * get mboxed. */ int stouch(v) void *v; { int *msgvec = v; int *ip; for (ip = msgvec; *ip != 0; ip++) { dot = &message[*ip-1]; dot->m_flag |= MTOUCH; dot->m_flag &= ~MPRESERVE; } return(0); } /* * Make sure all passed messages get mboxed. */ int mboxit(v) void *v; { int *msgvec = v; int *ip; for (ip = msgvec; *ip != 0; ip++) { dot = &message[*ip-1]; dot->m_flag |= MTOUCH|MBOX; dot->m_flag &= ~MPRESERVE; } return(0); } /* * List the folders the user currently has. */ int folders(v) void *v; { char dirname[PATHSIZE]; char *cmd; if (getfold(dirname, sizeof(dirname)) < 0) { puts("No value set for \"folder\""); return(1); } if ((cmd = value("LISTER")) == NULL) cmd = "ls"; (void)run_command(cmd, 0, -1, -1, dirname, NULL, NULL); return(0); } /* * Update the mail file with any new messages that have * come in since we started reading mail. */ int inc(v) void *v; { int nmsg, mdot; nmsg = incfile(); if (nmsg == 0) { puts("No new mail."); } else if (nmsg > 0) { mdot = newfileinfo(msgCount - nmsg); dot = &message[mdot - 1]; } else { puts("\"inc\" command failed..."); } return(0); }