12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 |
- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- #include <u.h>
- #include <libc.h>
- void
- main(int argc, char *argv[])
- {
- int nflag;
- int i, len;
- char *buf, *p;
- nflag = 0;
- if(argc > 1 && strcmp(argv[1], "-n") == 0)
- nflag = 1;
- len = 1;
- for(i = 1+nflag; i < argc; i++)
- len += strlen(argv[i])+1;
- buf = malloc(len);
- if(buf == 0)
- exits("no memory");
- p = buf;
- for(i = 1+nflag; i < argc; i++){
- strcpy(p, argv[i]);
- p += strlen(p);
- if(i < argc-1)
- *p++ = ' ';
- }
-
- if(!nflag)
- *p++ = '\n';
- if(write(1, buf, p-buf) < 0){
- fprint(2, "echo: write error: %r\n");
- exits("write error");
- }
- exits((char *)0);
- }
|