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Annotation of solidite/utils/logname.c, revision 1.1.1.1

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 <locale.h>
                     17: #include <stdlib.h>
                     18: #include <string.h>
                     19: #include <unistd.h>
                     20: 
                     21: int main() {
                     22:   setlocale(LC_ALL, "");
                     23: 
                     24:   const char* LOGNAME = getlogin();
                     25:   if (LOGNAME == NULL) {
                     26:     const char MESSAGE[] = "failed to get login name\n";
                     27:     (void)write(STDERR_FILENO, MESSAGE, sizeof(MESSAGE) - 1);
                     28:     return 1;
                     29:   }
                     30: 
                     31:   char *output = (char*)malloc(strlen(LOGNAME) + 1);
                     32:   strcpy(output, LOGNAME);
                     33:   output[strlen(LOGNAME)] = '\n';
                     34: 
                     35:   return write(STDOUT_FILENO, output, strlen(output));
                     36: }