void
qcmd(char *arname, int count, char **files)
{
int fd, i;
Armember *bp;
Biobuf *bfile;
if(aflag || bflag) {
fprint(2, "ar: abi not allowed with q\n");
exits("error");
}
fd = openar(arname, ORDWR, 1);
if (fd < 0) {
if(!cflag)
fprint(2, "ar: creating %s\n", arname);
fd = arcreate(arname);
}
Binit(&bar, fd, OREAD);
Bseek(&bar,seek(fd,0,1), 1);
/* leave note group behind when writing archive; i.e. sidestep interrupts */
rfork(RFNOTEG);
Bseek(&bar, 0, 2);
bp = newmember();
for(i=0; i<count && files[i]; i++) {
file = files[i];
files[i] = 0;
bfile = Bopen(file, OREAD);
if(!bfile)
fprint(2, "ar: %s cannot open\n", file);
else {
mesg('q', file);
armove(bfile, 0, bp);
if (!arwrite(fd, bp))
wrerr();
free(bp->member);
bp->member = 0;
Bterm(bfile);
}
}
free(bp);
close(fd);
}
/*
* perform the 'r' and 'u' commands
*/
void
arcmd(char *arname, int count, char **files)
{
int fd;
int i;
Arfile *ap;
Armember *bp;
Dir *d;
Biobuf *bfile;
fd = openar(arname, ORDWR, 1);
if (fd >= 0) {
Binit(&bar, fd, OREAD);
Bseek(&bar,seek(fd,0,1), 1);
}
astart = newtempfile(artemp);
ap = astart;
aend = 0;
for(i = 0; fd >= 0; i++) {
bp = getdir(&bar);
if (!bp)
break;
if (bamatch(file, poname)) { /* check for pivot */
aend = newtempfile(tailtemp);
ap = aend;
}
/* pitch symdef file */
if (i == 0 && strcmp(file, symdef) == 0) {
skip(&bar, bp->size);
continue;
}
if (count && !match(count, files)) {
scanobj(&bar, ap, bp->size);
arcopy(&bar, ap, bp);
continue;
}
bfile = Bopen(file, OREAD);
if (!bfile) {
if (count != 0)
fprint(2, "ar: cannot open %s\n", file);
scanobj(&bar, ap, bp->size);
arcopy(&bar, ap, bp);
continue;
}
d = dirfstat(Bfildes(bfile));
if (d == nil)
fprint(2, "ar: cannot stat %s: %r\n", file);
if (uflag && (d == nil || d->mtime <= bp->date)) {
scanobj(&bar, ap, bp->size);
arcopy(&bar, ap, bp);
Bterm(bfile);
free(d);
continue;
}
mesg('r', file);
skip(&bar, bp->size);
scanobj(bfile, ap, d->length);
free(d);
armove(bfile, ap, bp);
Bterm(bfile);
}
if(fd >= 0)
close(fd);
/* copy in remaining files named on command line */
for (i = 0; i < count; i++) {
file = files[i];
if(file == 0)
continue;
files[i] = 0;
bfile = Bopen(file, OREAD);
if (!bfile)
fprint(2, "ar: %s cannot open\n", file);
else {
mesg('a', file);
d = dirfstat(Bfildes(bfile));
if (d == nil)
fprint(2, "ar: can't stat %s: %r\n", file);
else {
scanobj(bfile, astart, d->length);
armove(bfile, astart, newmember());
free(d);
}
Bterm(bfile);
}
}
if(fd < 0 && !cflag)
install(arname, astart, 0, aend, 1); /* issue 'creating' msg */
else
install(arname, astart, 0, aend, 0);
}
