2001/0418/port/parse.c (diff list | history)

port/parse.c on 1999/0316
1999/0316		#include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "../port/error.h" /* * parse a command written to a device */ Cmdbuf* parsecmd(char *p, int n) {
2001/0331		Cmdbuf *volatile cb;
1999/0316
2001/0405		if(up != nil) cb = smalloc(sizeof(*cb)); else{ cb = malloc(sizeof(*cb)); if(cb == nil) return nil; }
1999/0316		if(n > sizeof(cb->buf)-1) n = sizeof(cb->buf)-1;
2001/0331
2001/0405		if(up != nil && waserror()){
2001/0331		free(cb); nexterror(); }
1999/0316		memmove(cb->buf, p, n);
2001/0405		if(up != nil) poperror();
2001/0331
1999/0316		if(n > 0 && cb->buf[n-1] == '\n') n--; cb->buf[n] = '\0';
2001/0418		cb->nf = tokenize(cb->buf, cb->f, nelem(cb->f));
1999/0316		return cb; }