init commit

3sem/cnts/contest12/03.c

@@ -0,0 +1,59 @@
+#include <unistd.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+check(void)
+{
+    int succes = 0;
+    int status;
+
+    while (wait(&status) != -1) {
+        if (WIFEXITED(status) && !WEXITSTATUS(status)) {
+            succes++;
+        }
+    }
+
+    return succes;
+}
+
+void
+run(char *cmd)
+{
+    pid_t pid = fork();
+    if (pid == -1) {
+        exit(1);
+    } else if (pid == 0) {
+        execlp(cmd, cmd, NULL);
+        _exit(1);
+    }
+
+    return;
+} // 1 - при успехе
+
+int
+main(int argc, char **argv)
+{
+    int succes = 0;
+
+    for (int i = 1; i < argc; ++i) {
+        if (argv[i][0] == 's') {
+            succes += check();
+            run(argv[i] + 1);
+            succes += check();
+        } else if (argv[i][0] == 'p') {
+            run(argv[i] + 1);
+        } else {
+            fprintf(stderr, "Error in arguments\n");
+            exit(1);
+        }
+    }
+
+    succes += check();
+
+    printf("%d\n", succes);
+
+    return 0;
+}