89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2012 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include <errno.h>
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#include "gtm_stdio.h"
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#include "gtm_unistd.h"
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#include "gtm_termios.h"
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#include "eintr_wrappers.h"
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#include "mu_term_setup.h"
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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static struct termios term_in;
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static struct termios term_out;
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static struct termios term_err;
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static boolean_t get_stdin_charc_pass = TRUE;
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static boolean_t get_stdout_charc_pass = TRUE;
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static boolean_t get_stderr_charc_pass = TRUE;
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void mu_get_term_characterstics(void)
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{
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if ((get_stdin_charc_pass = isatty(STDIN_FILENO)) && (tcgetattr(STDIN_FILENO, &term_in) == -1))
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{
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get_stdin_charc_pass = FALSE;
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PERROR("tcgetattr :");
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FPRINTF(stderr, "Unable to get terminal characterstics for standard in\n");
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}
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if ((get_stdout_charc_pass = isatty(STDOUT_FILENO)) && (tcgetattr(STDOUT_FILENO, &term_out) == -1))
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{
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get_stdout_charc_pass = FALSE;
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PERROR("tcgetattr :");
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FPRINTF(stderr, "Unable to get terminal characterstics for standard out\n");
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}
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if ((get_stderr_charc_pass = isatty(STDERR_FILENO)) && (tcgetattr(STDERR_FILENO, &term_err) == -1))
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{
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get_stderr_charc_pass = FALSE;
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PERROR("tcgetattr :");
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FPRINTF(stderr, "Unable to get terminal characterstics for standard err\n");
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}
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}
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void mu_reset_term_characterstics(void)
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{
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int tcsetattr_res;
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int save_errno;
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/* Do not use TCSAFLUSH as it drains all buffered (but yet unprocessed) input in the terminal
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* even if that was for the next command at the shell prompt. TCSANOW seems to do what we want
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* (which is to reset terminal characteristics right away).
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*/
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Tcsetattr(STDIN_FILENO, TCSANOW, &term_in, tcsetattr_res, save_errno);
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if (get_stdin_charc_pass && (-1 == tcsetattr_res))
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{
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PERROR("tcsetattr :");
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FPRINTF(stderr, "Unable to set terminal characterstics for standard in\n");
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}
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Tcsetattr(STDOUT_FILENO, TCSANOW, &term_out, tcsetattr_res, save_errno);
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if (get_stdout_charc_pass && (-1 == tcsetattr_res))
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{
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PERROR("tcsetattr :");
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FPRINTF(stderr, "Unable to set terminal characterstics for standard out\n");
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}
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Tcsetattr(STDERR_FILENO, TCSANOW, &term_err, tcsetattr_res, save_errno);
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if (get_stderr_charc_pass && (-1 == tcsetattr_res))
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{
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PERROR("tcsetattr :");
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FPRINTF(stderr, "Unable to set terminal characterstics for standard err\n");
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}
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}
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