add launch section to report

2021-07-17 14:15:52 -04:00
parent 3598aa7969
commit cf4161d545
4 changed files with 29 additions and 1 deletions
--- a/doc/code/launch.txt
+++ b/doc/code/launch.txt
@@ -0,0 +1,20 @@
+void launch_program(StringArray *args) {
+    pid_t child = 0;
+
+    child = fork();
+
+    if (child == 0) {
+        if (execvp(args->array[0], args->array) == -1) {
+            fprintf(stderr, "%s: command not found\n", args->array[0]);
+            free_string_array(args);
+            exit(EXIT_FAILURE);
+        }
+    }
+    else if (child < 0) {
+        perror("fork");
+    }
+    else {
+        int child_status;
+        waitpid(child, &child_status, 0);
+    }
+}