int
readcmd(int argc, char **argv)
{
char **ap;
int backslash;
char c;
int rflag;
char *prompt;
char *p;
int status;
int i;
rflag = 0;
prompt = NULL;
while ((i = nextopt("p:r")) != '\0') {
if (i == 'p')
prompt = optionarg;
else
rflag = 1;
}
if (prompt && isatty(0)) {
out2str(prompt);
#ifdef FLUSHERR
flushall();
#endif
}
if (*(ap = argptr) == NULL)
sh_error("arg count");
status = 0;
backslash = 0;
STARTSTACKSTR(p);
for (;;) {
if (read(0, &c, 1) != 1) {
status = 1;
break;
}
if (c == '\0')
continue;
if (backslash) {
if (c == '\n')
goto resetbs;
STPUTC(CTLESC, p);
goto put;
}
if (!rflag && c == '\\') {
backslash++;
continue;
}
if (c == '\n')
break;
put:
STPUTC(c, p);
resetbs:
backslash = 0;
}
STACKSTRNUL(p);
readcmd_handle_line(stackblock(), ap, p + 1 - (char *)stackblock());
return status;
}
int
readcmd(int argc, char **argv)
{
char **ap;
char c;
int rflag;
char *prompt;
char *p;
int startloc;
int newloc;
int status;
int i;
rflag = 0;
prompt = NULL;
while ((i = nextopt("p:r")) != '\0') {
if (i == 'p')
prompt = optionarg;
else
rflag = 1;
}
if (prompt && isatty(0)) {
out2str(prompt);
#ifdef FLUSHERR
flushall();
#endif
}
if (*(ap = argptr) == NULL)
sh_error("arg count");
status = 0;
STARTSTACKSTR(p);
goto start;
for (;;) {
switch (read(0, &c, 1)) {
case 1:
break;
default:
if (errno == EINTR && !pendingsigs)
continue;
/* fall through */
case 0:
status = 1;
goto out;
}
if (c == '\0')
continue;
if (newloc >= startloc) {
if (c == '\n')
goto resetbs;
goto put;
}
if (!rflag && c == '\\') {
newloc = p - (char *)stackblock();
continue;
}
if (c == '\n')
break;
put:
CHECKSTRSPACE(2, p);
if (strchr(qchars, c))
USTPUTC(CTLESC, p);
USTPUTC(c, p);
if (newloc >= startloc) {
resetbs:
recordregion(startloc, newloc, 0);
start:
startloc = p - (char *)stackblock();
newloc = startloc - 1;
}
}
out:
recordregion(startloc, p - (char *)stackblock(), 0);
STACKSTRNUL(p);
readcmd_handle_line(p + 1, ap);
return status;
}
int
readcmd(int argc, char **argv)
{
char **ap;
char c;
int rflag;
char *prompt;
char *p;
int startloc;
int newloc;
int status;
int timeout;
int i;
fd_set set;
struct timeval ts, t0, t1, to;
ts.tv_sec = ts.tv_usec = 0;
rflag = 0;
timeout = 0;
prompt = NULL;
while ((i = nextopt("p:rt:")) != '\0') {
switch(i) {
case 'p':
prompt = optionarg;
break;
case 't':
p = strtotimeval(optionarg, &ts);
if (*p || (!ts.tv_sec && !ts.tv_usec))
sh_error("invalid timeout");
timeout = 1;
break;
case 'r':
rflag = 1;
break;
default:
break;
}
}
if (prompt && isatty(0)) {
out2str(prompt);
#ifdef FLUSHERR
flushall();
#endif
}
if (*(ap = argptr) == NULL)
sh_error("arg count");
status = 0;
if (timeout) {
gettimeofday(&t0, NULL);
/* ts += t0; */
ts.tv_usec += t0.tv_usec;
while (ts.tv_usec >= 1000000) {
ts.tv_sec++;
ts.tv_usec -= 1000000;
}
ts.tv_sec += t0.tv_sec;
}
STARTSTACKSTR(p);
goto start;
for (;;) {
if (timeout) {
gettimeofday(&t1, NULL);
if (t1.tv_sec > ts.tv_sec ||
(t1.tv_sec == ts.tv_sec &&
t1.tv_usec >= ts.tv_usec)) {
status = 1;
break; /* Timeout! */
}
/* to = ts - t1; */
if (ts.tv_usec >= t1.tv_usec) {
to.tv_usec = ts.tv_usec - t1.tv_usec;
to.tv_sec = ts.tv_sec - t1.tv_sec;
} else {
to.tv_usec = ts.tv_usec - t1.tv_usec + 1000000;
to.tv_sec = ts.tv_sec - t1.tv_sec - 1;
}
FD_ZERO(&set);
FD_SET(0, &set);
if (select(1, &set, NULL, NULL, &to) != 1) {
status = 1;
break; /* Timeout! */
}
}
switch (read(0, &c, 1)) {
case 1:
break;
default:
if (errno == EINTR && !pendingsigs)
continue;
/* fall through */
case 0:
status = 1;
goto out;
}
if (c == '\0')
continue;
if (newloc >= startloc) {
if (c == '\n')
goto resetbs;
goto put;
}
if (!rflag && c == '\\') {
newloc = p - (char *)stackblock();
continue;
}
if (c == '\n')
break;
put:
CHECKSTRSPACE(2, p);
if (strchr(qchars, c))
USTPUTC(CTLESC, p);
USTPUTC(c, p);
if (newloc >= startloc) {
resetbs:
recordregion(startloc, newloc, 0);
start:
startloc = p - (char *)stackblock();
newloc = startloc - 1;
}
}
out:
recordregion(startloc, p - (char *)stackblock(), 0);
STACKSTRNUL(p);
readcmd_handle_line(p + 1, ap);
return status;
}
