V10/lbin/mailx/cmd2.c
#ident "@(#)cmd2.c 1.5 'attmail mail(1) command'"
#ident "@(#)mailx:cmd2.c 1.6.1.1"
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ident "@(#)mailx:cmd2.c 1.6"
#include "rcv.h"
/*
* mailx -- a modified version of a University of California at Berkeley
* mail program
*
* More user commands.
*/
static int delm();
static int igshow();
static int igcomp();
static int save1();
static int Save1();
static void savemsglist();
/*
* If any arguments were given, go to the next applicable argument
* following dot, otherwise, go to the next applicable message.
* If given as first command with no arguments, print first message.
*/
next(msgvec)
int *msgvec;
{
register struct message *mp;
register int *ip, *ip2;
int list[2], mdot;
if (*msgvec != NULL) {
/*
* If some messages were supplied, find the
* first applicable one following dot using
* wrap around.
*/
mdot = dot - &message[0] + 1;
/*
* Find the first message in the supplied
* message list which follows dot.
*/
for (ip = msgvec; *ip != NULL; ip++)
if (*ip > mdot)
break;
if (*ip == NULL)
ip = msgvec;
ip2 = ip;
do {
mp = &message[*ip2 - 1];
if ((mp->m_flag & MDELETED) == 0) {
dot = mp;
goto hitit;
}
if (*ip2 != NULL)
ip2++;
if (*ip2 == NULL)
ip2 = msgvec;
} while (ip2 != ip);
printf("No messages applicable\n");
return(1);
}
/*
* If this is the first command, select message 1.
* Note that this must exist for us to get here at all.
*/
if (!sawcom)
goto hitit;
/*
* Just find the next good message after dot, no
* wraparound.
*/
for (mp = dot+1; mp < &message[msgCount]; mp++)
if ((mp->m_flag & (MDELETED|MSAVED)) == 0)
break;
if (mp >= &message[msgCount]) {
printf("At EOF\n");
return(0);
}
dot = mp;
hitit:
/*
* Print dot.
*/
list[0] = dot - &message[0] + 1;
list[1] = NULL;
return(type(list));
}
/*
* Save a message in a file. Mark the message as saved
* so we can discard when the user quits.
*/
save(str)
char str[];
{
return(save1(str, 1));
}
/*
* Copy a message to a file without affected its saved-ness
*/
copycmd(str)
char str[];
{
return(save1(str, 0));
}
/*
* Save/copy the indicated messages at the end of the passed file name.
* If mark is true, mark the message "saved."
*/
static int
save1(str, mark)
char str[];
{
char *file, *cmd;
int f, *msgvec;
cmd = mark ? "save" : "copy";
msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec);
if ((file = snarf(str, &f, 0)) == NOSTR)
file = Getf("MBOX");
if (f==-1)
return(1);
if (!f) {
*msgvec = first(0, MMNORM);
if (*msgvec == NULL) {
printf("No messages to %s.\n", cmd);
return(1);
}
msgvec[1] = NULL;
}
if (f && getmsglist(str, msgvec, 0) < 0)
return(1);
if ((file = expand(file)) == NOSTR)
return(1);
savemsglist(file, msgvec, mark);
return(0);
}
Save(msgvec)
int *msgvec;
{
return(Save1(msgvec, 1));
}
Copy(msgvec)
int *msgvec;
{
return(Save1(msgvec, 0));
}
/*
* save/copy the indicated messages at the end of a file named
* by the sender of the first message in the msglist.
*/
static int
Save1(msgvec, mark)
int *msgvec;
{
char recfile[128];
getrecf(nameof(&message[*msgvec-1]), recfile, 1);
savemsglist(expand(recfile), msgvec, mark);
return(0);
}
/*
* save a message list in a file
*/
static void
savemsglist(file, msgvec, mark)
char *file;
int *msgvec;
{
register int *ip, mesg;
register struct message *mp;
char *disp;
FILE *obuf;
struct stat statb;
long lc, cc, t;
int bnry;
printf("\"%s\" ", file);
flush();
if (stat(file, &statb) >= 0)
disp = "[Appended]";
else
disp = "[New file]";
if ((obuf = fopen(file, "a")) == NULL) {
perror("");
return;
}
lc = cc = 0;
bnry = 0;
for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
mesg = *ip;
mp = &message[mesg-1];
if (!mp->m_text) {
bnry = 1;
}
if ((t = send(mp, obuf, 0)) < 0) {
perror(file);
fclose(obuf);
return;
}
touch(mesg);
lc += t;
cc += mp->m_size;
if (mark)
mp->m_flag |= MSAVED;
}
fflush(obuf);
if (ferror(obuf))
perror(file);
fclose(obuf);
if (!bnry) {
printf("%s %ld/%ld\n", disp, lc, cc);
} else {
printf("%s binary/%ld\n", disp, cc);
}
}
/*
* Write the indicated messages at the end of the passed
* file name, minus header and trailing blank line.
* er, write out that last character, since it might not be surplus
*/
swrite(str)
char str[];
{
register int *ip, mesg;
register struct message *mp;
register char *file, *disp;
char linebuf[LINESIZE];
int f, *msgvec;
long lc, cc, t, clen, n;
FILE *obuf, *mesf;
struct stat statb;
int hdr, bnry;
msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec);
if ((file = snarf(str, &f, 1)) == NOSTR)
return(1);
if (f==-1)
return(1);
if ((file = expand(file)) == NOSTR)
return(1);
if (!f) {
*msgvec = first(0, MMNORM);
if (*msgvec == NULL) {
printf("No messages to write.\n");
return(1);
}
msgvec[1] = NULL;
}
if (f && getmsglist(str, msgvec, 0) < 0)
return(1);
printf("\"%s\" ", file);
flush();
if (stat(file, &statb) >= 0)
disp = "[Appended]";
else
disp = "[New file]";
if ((obuf = fopen(file, "a")) == NULL) {
perror("");
return(1);
}
lc = cc = 0L;
for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
mesg = *ip;
touch(mesg);
mp = &message[mesg-1];
mesf = setinput(mp);
clen = mp->m_clen;
if( (fseek(mesf, mp->m_size - mp->m_clen, 1)) < 0) {
fprintf(stderr, "\t(Unexpected end-of-file).\n");
fflush(obuf);
clen = 0;
}
for (;clen > 0;) {
n = clen < sizeof linebuf ? clen : sizeof linebuf;
if ((n = fread(linebuf, 1, n, mesf)) <= 0) {
fprintf(stderr, "\t(Unexpected end-of-file).\n");
clen = 0;
} else {
if (fwrite(linebuf, 1, n, obuf) != n) {
fprintf(stderr, "\t Error writing to the new file.\n");
fflush(obuf);
} else {
cc += n;
}
}
clen -= n;
if( clen <= 0) break;
}
mp->m_flag |= MSAVED;
}
fflush(obuf);
if (ferror(obuf))
perror(file);
fclose(obuf);
printf("%s %ld\n",disp,cc);
return(0);
}
/*
* Snarf the file from the end of the command line and
* return a pointer to it. If there is no file attached,
* just return NOSTR. Put a null in front of the file
* name so that the message list processing won't see it,
* unless the file name is the only thing on the line, in
* which case, return 0 in the reference flag variable.
*/
char *
snarf(linebuf, flag, erf)
char linebuf[];
int *flag;
{
register char *cp;
char end;
*flag = 1;
cp = strlen(linebuf) + linebuf - 1;
/*
* Strip away trailing blanks.
*/
while (*cp == ' ' && cp > linebuf)
cp--;
*++cp = 0;
/*
* Now see if string is quoted
*/
if (cp > linebuf && any(cp[-1], "'\"")) {
end = *--cp;
*cp = '\0';
while (*cp != end && cp > linebuf)
cp--;
if (*cp != end) {
printf("Syntax error: missing %c.\n", end);
*flag = -1;
return(NOSTR);
}
if (cp==linebuf)
*flag = 0;
*cp++ = '\0';
return(cp);
}
/*
* Now search for the beginning of the file name.
*/
while (cp > linebuf && !any(*cp, "\t "))
cp--;
if (*cp == '\0') {
if (erf)
printf("No file specified.\n");
*flag = 0;
return(NOSTR);
}
if (any(*cp, " \t"))
*cp++ = 0;
else
*flag = 0;
return(cp);
}
/*
* Delete messages.
*/
delete(msgvec)
int msgvec[];
{
return(delm(msgvec));
}
/*
* Delete messages, then type the new dot.
*/
deltype(msgvec)
int msgvec[];
{
int list[2];
int lastdot;
lastdot = dot - &message[0] + 1;
if (delm(msgvec) >= 0) {
list[0] = dot - &message[0];
list[0]++;
if (list[0] > lastdot) {
touch(list[0]);
list[1] = NULL;
return(type(list));
}
printf("At EOF\n");
return(0);
}
else {
printf("No more messages\n");
return(0);
}
}
/*
* Delete the indicated messages.
* Set dot to some nice place afterwards.
* Internal interface.
*/
static int
delm(msgvec)
int *msgvec;
{
register struct message *mp;
register *ip, mesg;
int last;
last = NULL;
for (ip = msgvec; *ip != NULL; ip++) {
mesg = *ip;
touch(mesg);
mp = &message[mesg-1];
mp->m_flag |= MDELETED|MTOUCH;
mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
last = mesg;
}
if (last != NULL) {
dot = &message[last-1];
last = first(0, MDELETED);
if (last != NULL) {
dot = &message[last-1];
return(0);
}
else {
dot = &message[0];
return(-1);
}
}
/*
* Following can't happen -- it keeps lint happy
*/
return(-1);
}
/*
* Undelete the indicated messages.
*/
int
undelete(msgvec)
int *msgvec;
{
register struct message *mp;
register *ip, mesg;
for (ip = msgvec; ip-msgvec < msgCount; ip++) {
mesg = *ip;
if (mesg == 0)
return(0);
touch(mesg);
mp = &message[mesg-1];
dot = mp;
mp->m_flag &= ~MDELETED;
}
return(0);
}
/*
* Add the given header fields to the ignored list.
* If no arguments, print the current list of ignored fields.
*/
igfield(list)
char *list[];
{
char field[BUFSIZ];
register int h;
register struct ignore *igp;
char **ap;
if (argcount(list) == 0)
return(igshow());
for (ap = list; *ap != 0; ap++) {
if (isign(*ap))
continue;
istrcpy(field, *ap);
h = hash(field);
igp = (struct ignore *) calloc(1, sizeof (struct ignore));
igp->i_field = calloc(strlen(field) + 1, sizeof (char));
strcpy(igp->i_field, field);
igp->i_link = ignore[h];
ignore[h] = igp;
}
return(0);
}
/*
* Print out all currently ignored fields.
*/
static int
igshow()
{
register int h, count;
struct ignore *igp;
char **ap, **ring;
count = 0;
for (h = 0; h < HSHSIZE; h++)
for (igp = ignore[h]; igp != 0; igp = igp->i_link)
count++;
if (count == 0) {
printf("No fields currently being ignored.\n");
return(0);
}
ring = (char **) salloc((count + 1) * sizeof (char *));
ap = ring;
for (h = 0; h < HSHSIZE; h++)
for (igp = ignore[h]; igp != 0; igp = igp->i_link)
*ap++ = igp->i_field;
*ap = 0;
qsort(ring, count, sizeof (char *), igcomp);
for (ap = ring; *ap != 0; ap++)
printf("%s\n", *ap);
return(0);
}
/*
* Compare two names for sorting ignored field list.
*/
static int
igcomp(l, r)
char **l, **r;
{
return(strcmp(*l, *r));
}
/*
* Remove a list of fields from the ignore list.
*/
unigfield(list)
char *list[];
{
char **ap, field[BUFSIZ];
register int h, count = 0;
register struct ignore *ig1, *ig2;
if (argcount(list) == 0) {
for (h = 0; h < HSHSIZE; h++) {
ig1 = ignore[h];
while (ig1) {
free(ig1->i_field);
ig2 = ig1->i_link;
free((char *) ig1);
ig1 = ig2;
count++;
}
ignore[h] = NULL;
}
if (count == 0)
printf("No fields currently being ignored.\n");
return 0;
}
for (ap = list; *ap; ap++) {
istrcpy(field, *ap);
h = hash(field);
for (ig1 = ignore[h]; ig1; ig2 = ig1, ig1 = ig1->i_link)
if (strcmp(ig1->i_field, field) == 0) {
if (ig1 == ignore[h])
ignore[h] = ig1->i_link;
else
ig2->i_link = ig1->i_link;
free(ig1->i_field);
free((char *) ig1);
break;
}
}
return 0;
}