exportfs: cleanup
This commit is contained in:
cinap_lenrek
parent
7ae4e473da
commit
73d35f9c7d
1 changed files with 47 additions and 49 deletions
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@ -165,7 +165,7 @@ main(int argc, char **argv)
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break;
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case 'S':
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if(srvfdfile)
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if(srvfdfile != nil)
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usage();
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srvfdfile = EARGF(usage());
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break;
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@ -192,12 +192,12 @@ main(int argc, char **argv)
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putenv("service", "exportfs");
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}
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if(srvfdfile){
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if(srvfdfile != nil){
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if((srvfd = open(srvfdfile, ORDWR)) < 0)
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fatal("open %s: %r", srvfdfile);
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}
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if(na){
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if(na != nil){
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if(srv == nil)
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fatal("-B requires -s");
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@ -223,7 +223,7 @@ main(int argc, char **argv)
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close(n);
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}
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if(srvfd >= 0 && srv){
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if(srvfd >= 0 && srv != nil){
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fprint(2, "exportfs: -S cannot be used with -r or -s\n");
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usage();
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}
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@ -248,7 +248,7 @@ main(int argc, char **argv)
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if(srvfd != -1) {
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/* do nothing */
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}
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else if(srv) {
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else if(srv != nil) {
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if(chdir(srv) < 0) {
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errstr(ebuf, sizeof ebuf);
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fprint(0, "chdir(\"%s\"): %s\n", srv, ebuf);
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@ -329,7 +329,7 @@ main(int argc, char **argv)
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fatal("%s: tls has not yet been implemented", argv[0]);
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}
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if (encproto != Encnone && ealgs && ai) {
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if(encproto != Encnone && ealgs != nil && ai != nil) {
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uchar key[16], digest[SHA1dlen];
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char fromclientsecret[21];
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char fromserversecret[21];
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@ -343,7 +343,7 @@ main(int argc, char **argv)
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for(i = 0; i < 4; i++)
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key[i+12] = rand();
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if (ini)
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if(ini != nil)
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fatal("Protocol botch: old import");
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if(readn(netfd, key, 4) != 4)
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fatal("can't read key part; %r");
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@ -356,7 +356,7 @@ main(int argc, char **argv)
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mksecret(fromclientsecret, digest);
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mksecret(fromserversecret, digest+10);
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if (filterp)
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if(filterp != nil)
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netfd = filter(netfd, filterp);
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switch(encproto) {
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@ -372,13 +372,13 @@ main(int argc, char **argv)
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if(netfd < 0)
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fatal("can't establish ssl connection: %r");
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}
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else if (filterp) {
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if (ini)
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else if(filterp != nil) {
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if(ini != nil)
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fatal("Protocol botch: don't know how to deal with this");
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netfd = filter(netfd, filterp);
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}
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if(ai)
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if(ai != nil)
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auth_freeAI(ai);
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/*
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@ -386,7 +386,7 @@ main(int argc, char **argv)
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*/
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for(;;) {
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r = getsbuf();
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if(r == 0)
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if(r == nil)
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fatal("Out of service buffers");
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while((n = localread9pmsg(netfd, r->buf, messagesize, ini)) == 0)
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@ -416,7 +416,7 @@ localread9pmsg(int fd, void *abuf, uint n, void *ini)
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buf = abuf;
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/* read count */
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if (ini)
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if(ini != nil)
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memcpy(buf, ini, BIT32SZ);
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else {
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m = readn(fd, buf, BIT32SZ);
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@ -446,7 +446,7 @@ reply(Fcall *r, Fcall *t, char *err)
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t->tag = r->tag;
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t->fid = r->fid;
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if(err) {
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if(err != nil) {
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t->type = Rerror;
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t->ename = err;
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}
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@ -471,11 +471,11 @@ getfid(int nr)
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{
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Fid *f;
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for(f = fidhash(nr); f; f = f->next)
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for(f = fidhash(nr); f != nil; f = f->next)
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if(f->nr == nr)
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return f;
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return 0;
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return nil;
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}
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int
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@ -485,18 +485,18 @@ freefid(int nr)
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char buf[128];
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l = &fidhash(nr);
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for(f = *l; f; f = f->next) {
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for(f = *l; f != nil; f = f->next) {
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if(f->nr == nr) {
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if(f->mid) {
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snprint(buf, sizeof(buf), "/mnt/exportfs/%d", f->mid);
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unmount(0, buf);
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psmap[f->mid] = 0;
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}
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if(f->f) {
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if(f->f != nil) {
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freefile(f->f);
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f->f = nil;
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}
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if(f->dir){
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if(f->dir != nil){
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free(f->dir);
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f->dir = nil;
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}
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@ -518,17 +518,17 @@ newfid(int nr)
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int i;
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l = &fidhash(nr);
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for(new = *l; new; new = new->next)
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for(new = *l; new != nil; new = new->next)
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if(new->nr == nr)
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return 0;
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return nil;
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if(fidfree == 0) {
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if(fidfree == nil) {
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fidfree = emallocz(sizeof(Fid) * Fidchunk);
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for(i = 0; i < Fidchunk-1; i++)
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fidfree[i].next = &fidfree[i+1];
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fidfree[Fidchunk-1].next = 0;
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fidfree[Fidchunk-1].next = nil;
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}
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new = fidfree;
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@ -560,7 +560,7 @@ getsbuf(void)
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lock(&sbufalloc);
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w = sbufalloc.free;
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if(w != 0){
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if(w != nil){
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sbufalloc.free = w->next;
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w->next = nil;
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sbufalloc.nfree--;
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@ -635,7 +635,7 @@ file(File *parent, char *name)
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if(dir == nil)
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return nil;
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for(f = parent->child; f; f = f->childlist)
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for(f = parent->child; f != nil; f = f->childlist)
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if(strcmp(name, f->name) == 0)
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break;
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@ -696,7 +696,7 @@ initroot(void)
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free(dir);
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psmpt = file(psmpt, "mnt");
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if(psmpt == 0)
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if(psmpt == nil)
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return;
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psmpt = file(psmpt, "exportfs");
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}
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@ -815,10 +815,8 @@ uniqueqid(Dir *d)
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path |= newqid<<48;
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DEBUG(DFD, "assign qid %.16llux\n", path);
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}
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q = mallocz(sizeof(Qidtab), 1);
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if(q == nil)
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fatal("no memory for qid table");
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qidcnt++;
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q = emallocz(sizeof(Qidtab));
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q->ref = 1;
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q->type = d->type;
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q->dev = d->dev;
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@ -837,17 +835,17 @@ fatal(char *s, ...)
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va_list arg;
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Proc *m;
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if (s) {
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if(s != nil) {
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va_start(arg, s);
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vsnprint(buf, ERRMAX, s, arg);
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va_end(arg);
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}
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/* Clear away the slave children */
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for(m = Proclist; m; m = m->next)
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for(m = Proclist; m != nil; m = m->next)
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postnote(PNPROC, m->pid, "kill");
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if (s) {
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if(s != nil) {
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DEBUG(DFD, "%s\n", buf);
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sysfatal("%s", buf); /* caution: buf could contain '%' */
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} else
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