aboutsummaryrefslogtreecommitdiffstats
path: root/appl/login/read_string.c
diff options
context:
space:
mode:
Diffstat (limited to 'appl/login/read_string.c')
-rw-r--r--appl/login/read_string.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/appl/login/read_string.c b/appl/login/read_string.c
deleted file mode 100644
index eb61621a332b..000000000000
--- a/appl/login/read_string.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "login_locl.h"
-
-RCSID("$Id$");
-
-static sig_atomic_t intr_flag;
-
-static void
-intr(int sig)
-{
- intr_flag++;
-}
-
-#ifndef NSIG
-#define NSIG 47
-#endif
-
-int
-read_string(const char *prompt, char *buf, size_t len, int echo)
-{
- struct sigaction sigs[NSIG];
- int oksigs[NSIG];
- struct sigaction sa;
- FILE *tty;
- int ret = 0;
- int of = 0;
- int i;
- int c;
- char *p;
-
- struct termios t_new, t_old;
-
- memset(&oksigs, 0, sizeof(oksigs));
-
- memset(&sa, 0, sizeof(sa));
- sa.sa_handler = intr;
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = 0;
- for(i = 1; i < sizeof(sigs) / sizeof(sigs[0]); i++)
- if (i != SIGALRM)
- if (sigaction(i, &sa, &sigs[i]) == 0)
- oksigs[i] = 1;
-
- if((tty = fopen("/dev/tty", "r")) == NULL)
- tty = stdin;
-
- fprintf(stderr, "%s", prompt);
- fflush(stderr);
-
- if(echo == 0){
- tcgetattr(fileno(tty), &t_old);
- memcpy(&t_new, &t_old, sizeof(t_new));
- t_new.c_lflag &= ~ECHO;
- tcsetattr(fileno(tty), TCSANOW, &t_new);
- }
- intr_flag = 0;
- p = buf;
- while(intr_flag == 0){
- c = getc(tty);
- if(c == EOF){
- if(!ferror(tty))
- ret = 1;
- break;
- }
- if(c == '\n')
- break;
- if(of == 0)
- *p++ = c;
- of = (p == buf + len);
- }
- if(of)
- p--;
- *p = 0;
-
- if(echo == 0){
- printf("\n");
- tcsetattr(fileno(tty), TCSANOW, &t_old);
- }
-
- if(tty != stdin)
- fclose(tty);
-
- for(i = 1; i < sizeof(sigs) / sizeof(sigs[0]); i++)
- if (oksigs[i])
- sigaction(i, &sigs[i], NULL);
-
- if(ret)
- return -3;
- if(intr_flag)
- return -2;
- if(of)
- return -1;
- return 0;
-}
-
-
-#if 0
-int main()
-{
- char s[128];
- int ret;
- ret = read_string("foo: ", s, sizeof(s), 0);
- printf("%d ->%s<-\n", ret, s);
-}
-#endif