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Annotation of solidite/utils/tty.c, revision 1.1

1.1     ! user        1: /* Copyright (c) 2026 The Solidite Developers
        !             2:  *
        !             3:  * This program is free software: you can redistribute it and/or modify it under
        !             4:  * the terms of the GNU Affero General Public License as published by the Free
        !             5:  * Software Foundation, either version 3 of the License, or (at your option)
        !             6:  * any later version.
        !             7:  *
        !             8:  * This program is distributed in the hope that it will be useful, but WITHOUT
        !             9:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
        !            10:  * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
        !            11:  * details.
        !            12:  *
        !            13:  * You should have received a copy of the GNU Affero General Public License
        !            14:  * along with this program. If not, see <https://www.gnu.org/licenses/>. */
        !            15: 
        !            16: #include <stdlib.h>
        !            17: #include <string.h>
        !            18: #include <unistd.h>
        !            19: 
        !            20: int main(void) {
        !            21:   const char *TTY_NAME = ttyname(STDIN_FILENO);
        !            22:   if (TTY_NAME == NULL) {
        !            23:     const char MESSAGE[] = "not a tty\n";
        !            24:     (void)write(STDOUT_FILENO, MESSAGE, strlen(MESSAGE));
        !            25:     return 1;
        !            26:   }
        !            27: 
        !            28:   char *output = (char*)malloc(strlen(TTY_NAME) + 1);
        !            29:   strcpy(output, TTY_NAME);
        !            30:   output[strlen(TTY_NAME)] = '\n';
        !            31:   (void)write(STDOUT_FILENO, output, strlen(output));
        !            32:   return 0;
        !            33: }