diff options
Diffstat (limited to 'crypto/heimdal/appl/login/read_string.c')
| -rw-r--r-- | crypto/heimdal/appl/login/read_string.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/crypto/heimdal/appl/login/read_string.c b/crypto/heimdal/appl/login/read_string.c deleted file mode 100644 index 2c4b66b1f3aa..000000000000 --- a/crypto/heimdal/appl/login/read_string.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * Copyright (c) 1997 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: read_string.c,v 1.3 1999/12/02 17:04:56 joda Exp $"); - -static sig_atomic_t intr_flag; - -static void -intr(int sig) -{ - intr_flag++; -} - -int -read_string(const char *prompt, char *buf, size_t len, int echo) -{ - struct sigaction sigs[47]; - struct sigaction sa; - FILE *tty; - int ret = 0; - int of = 0; - int i; - int c; - char *p; - - struct termios t_new, t_old; - - memset(&sa, 0, sizeof(sa)); - sa.sa_handler = intr; - sigemptyset(&sa.sa_mask); - sa.sa_flags = 0; - for(i = 0; i < sizeof(sigs) / sizeof(sigs[0]); i++) - sigaction(i, &sa, &sigs[i]); - - 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 = 0; i < sizeof(sigs) / sizeof(sigs[0]); 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 |