From 8d2460e9f61d63dd14ee95784b6f5d1fd1219395 Mon Sep 17 00:00:00 2001
From: Robby Zambito <contact@robbyzambito.me>
Date: Sun, 24 Oct 2021 01:34:48 -0400
Subject: Spawn new shell to run commands in

---
 rvsh.c | 64 ++++++++++++++--------------------------------------------------
 1 file changed, 14 insertions(+), 50 deletions(-)

diff --git a/rvsh.c b/rvsh.c
index 423e66c..db2ddd5 100644
--- a/rvsh.c
+++ b/rvsh.c
@@ -123,46 +123,7 @@ void put_stream_rev(FILE *stream) {
   }
 }
 
-/*void run_reverse_command(char *command) {*/
-/*pid_t bash_pid;*/
-/*union pipe bash_input, bash_output;*/
-/*FILE *bash_input_f, *bash_output_f;*/
-
-/*pipe(bash_input.filedes);*/
-/*pipe(bash_output.filedes);*/
-
-/*bash_pid = fork();*/
-/*if (bash_pid == -1) {*/
-/*exit(EXIT_FAILURE);*/
-/*}*/
-
-/*if (bash_pid == 0) {*/
-/*close(bash_input.write_end);*/
-/*close(bash_output.read_end);*/
-
-/*dup2(bash_input.read_end, STDIN_FILENO);*/
-/*dup2(bash_output.write_end, STDOUT_FILENO);*/
-/*[>close(STDERR_FILENO);<]*/
-
-/*execlp("bash", "bash", "-c", command, NULL);*/
-/*}*/
-
-/*close(bash_input.read_end);*/
-/*close(bash_output.write_end);*/
-
-/*bash_input_f = fdopen(bash_input.write_end, "w");*/
-/*bash_output_f = fdopen(bash_output.read_end, "r");*/
-
-/*put_stream_rev(bash_output_f);*/
-
-/*fclose(bash_input_f);*/
-/*fclose(bash_output_f);*/
-/*}*/
-
-int main(void) {
-  char *prompt;
-  char *line;
-
+void run_reverse_command(char *command) {
   pid_t bash_pid;
   union pipe bash_input, bash_output;
   FILE *bash_input_f, *bash_output_f;
@@ -170,9 +131,6 @@ int main(void) {
   pipe(bash_input.filedes);
   pipe(bash_output.filedes);
 
-  bash_output_f = fdopen(bash_output.read_end, "r");
-  bash_input_f = fdopen(bash_input.write_end, "w");
-
   bash_pid = fork();
   if (bash_pid == -1) {
     exit(EXIT_FAILURE);
@@ -186,14 +144,25 @@ int main(void) {
     dup2(bash_output.write_end, STDOUT_FILENO);
     /*close(STDERR_FILENO);*/
 
-    execlp("bash", "bash", NULL);
+    execlp("bash", "bash", "-c", command, NULL);
   }
 
   close(bash_input.read_end);
   close(bash_output.write_end);
 
+  bash_input_f = fdopen(bash_input.write_end, "w");
+  bash_output_f = fdopen(bash_output.read_end, "r");
+
   put_stream_rev(bash_output_f);
 
+  fclose(bash_input_f);
+  fclose(bash_output_f);
+}
+
+int main(void) {
+  char *prompt;
+  char *line;
+
   using_history();
   while ((line = readline(strrev(prompt = get_bash_prompt()))) != NULL) {
     add_history(line);
@@ -201,16 +170,11 @@ int main(void) {
     strrev(line);
     /*puts(line);*/
 
-    /*run_reverse_command(line);*/
-
-    fputs(line, bash_input_f);
+    run_reverse_command(line);
 
     free(line);
   }
 
-  fclose(bash_input_f);
-  fclose(bash_output_f);
-
   if (errno != 0) {
     perror("End");
   }
-- 
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