| #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((char *)0); | |
| } |