o5r/plan9port
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add con

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This commit is contained in:
rsc 2006-01-06 18:00:42 +00:00
parent d9742d7e94
commit e29d0c84fe
1 changed files with 57 additions and 0 deletions
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57
src/cmd/9p.c
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@ -33,11 +33,13 @@ void xwritefd(int, char**);
void xstat(int, char**);
void xls(int, char**);
void xrdwr(int, char**);
void xcon(int, char**);
struct {
char *s;
void (*f)(int, char**);
} cmds[] = {
"con", xcon,
"read", xread,
"write", xwrite,
"readfd", xreadfd,
@ -318,6 +320,61 @@ xrdwr(int argc, char **argv)
threadexitsall(0);
}
void
rdcon(void *v)
{
char buf[4096];
CFid *fid;
fid = v;
for(;;){
n = read(0, buf, sizeof buf);
if(n <= 0)
threadexitsall(0);
if(fswrite(fid, buf, n) != n)
fprint(2, "write: %r\n");
}
}
void
xcon(int argc, char **argv)
{
char buf[4096], *r, *w, *e;
int n, nocr;
CFid *fid;
nocr = 1;
ARGBEGIN{
case 'r':
nocr = 0;
break;
default:
usage();
}ARGEND
if(argc != 1)
usage();
fid = xopen(argv[0], ORDWR);
proccreate(rdcon, fid, STACK);
for(;;){
n = fsread(fid, buf, n);
if(n <= 0)
threadexitsall(0);
if(nocr){
for(r=w=buf, e=buf+n; r<e; r++)
if(*r != '\r')
*w++ = *r;
n = w-buf;
}
if(write(1, buf, n) != n)
threadexitsall(0);
}
fsclose(fid);
threadexitsall(0);
}
static char *mon[] =
{
"Jan", "Feb", "Mar", "Apr", "May", "Jun",