Termios is freezing

[hem c reddy]

Hi,

I have the following small program which read password from user after echoing off. But the problem is, it is freezing for some time (not sure about the duration) before going to the next statement and I have to press "enter" multiple times (maximum 4, it is not consistent though). I am trying it on a hp-ux machine with aCC compiler.

Any pointers/help would be greatly appreciated.

#include
#include
#include
#include

int main(int argc, char *argv[])
{
struct termios oldt,
newt;
char ch;
char userpasswd[50];

printf("enter password:");
tcgetattr( STDIN_FILENO, &oldt );
newt = oldt;
newt.c_lflag &= ~( ICANON | ECHO );
tcsetattr( STDIN_FILENO, TCSANOW, &newt );
gets(userpasswd);
tcsetattr( STDIN_FILENO, TCSANOW, &oldt );
printf("\nPassword enetered %s\n", userpasswd);
return 0;
}


Thanks,
Reddy
Edit/Delete Message

[Arunvijai_4]

HI Reddy,

You can try running your program under tusc to see where and what system call it hangs,

http://hpux.connect.org.uk/hppd/hpux/Sysadmin/tusc-7.8/

-Arun

[A. Clay Stephenson]

There is a function getpass() that will do all of this for you. Man getpass() for details.

I suspect that your problem stems from the use of TCSANNOW rather than TCSAFLUSH.

[hem c reddy]

I removed ICANON from "newt.c_lflag &= ~( ICANON | ECHO )" and is not
working fine.

Thank you very much for your responses..

Regards,
Reddy

[hem c reddy]

I have got my problem solved