scrypt-1.2.1/libcperciva/util/readpass.h

   1 #ifndef _READPASS_H_
   2 #define _READPASS_H_
   3
   4 /* Avoid namespace collisions with other "readpass" functions. */
   5 #ifdef readpass
   6 #undef readpass
   7 #endif
   8 #define readpass libcperciva_readpass
   9
  10 /**
  11  * readpass(passwd, prompt, confirmprompt, devtty)
  12  * If ${devtty} is non-zero, read a password from /dev/tty if possible; if
  13  * not, read from stdin.  If reading from a tty (either /dev/tty or stdin),
  14  * disable echo and prompt the user by printing ${prompt} to stderr.  If
  15  * ${confirmprompt} is non-NULL, read a second password (prompting if a
  16  * terminal is being used) and repeat until the user enters the same password
  17  * twice.  Return the password as a malloced NUL-terminated string via
  18  * ${passwd}.
  19  */
  20 int readpass(char **, const char *, const char *, int);
  21
  22 #endif /* !_READPASS_H_ */