37 lines
641 B
C
Executable File
37 lines
641 B
C
Executable File
#include <unistd.h>
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#include <sys/wait.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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int
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run(const char *cmd)
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{
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pid_t pid = fork();
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if (pid == -1) {
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exit(1);
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} else if (pid == 0) {
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execlp(cmd, cmd, NULL);
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_exit(1);
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}
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int status;
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waitpid(pid, &status, 0);
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return WIFEXITED(status) && !WEXITSTATUS(status);
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} // 1 - при успехе
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int
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main(int argc, char **argv)
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{
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if (argc != 4) {
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return 1;
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}
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char *cmd1 = argv[1];
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char *cmd2 = argv[2];
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char *cmd3 = argv[3];
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return !((run(cmd1) || run(cmd2)) && run(cmd3));
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}
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