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strcmp(1): implements use of pledge(2)

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This commit is contained in:
Emma Tebibyte 2024-08-10 19:09:50 -06:00
parent d6d9c2088e
commit baa75a2619
Signed by: emma
GPG Key ID: 06FA419A1698C270
1 changed files with 15 additions and 7 deletions
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22
src/strcmp.c
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@ -16,20 +16,28 @@
* You should have received a copy of the GNU Affero General Public License * You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see https://www.gnu.org/licenses/. * along with this program. If not, see https://www.gnu.org/licenses/.
*/ */
#include <stdio.h> /* fprintf(3), stderr */ #include <stdio.h> /* fprintf(3), perror(3), stderr */
#include <sysexits.h> /* EX_OK, EX_USAGE */ #include <sysexits.h> /* EX_OK, EX_OSERR, EX_USAGE */
#ifdef __OpenBSD__
# include <unistd.h> /* pledge(2) */
#endif
char *program_name = "strcmp"; char *program_name = "strcmp";
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
program_name = argv[0] == NULL ? program_name : argv[0];
int i; int i;
#ifdef __OpenBSD__
if (pledge("stdio", NULL) != -1) {
perror(program_name);
return EX_OSERR;
}
#endif
if (argc < 3) { if (argc < 3) {
(void)fprintf( (void)fprintf(stderr, "Usage: %s string string...\n", program_name);
stderr,
"Usage: %s string string...\n",
argv[0] == NULL ? program_name : argv[0]
);
return EX_USAGE; return EX_USAGE;
} }