Revert "feat(line): add history record"

file descriptor and fork() is a mess.

This reverts commit 53bee9dfb0.

README.md

@@ -1,9 +1,9 @@
-# fish - Yet another shell with C
+# dish - Yet another shell with C
 
 # TODO
 
-- [x] History save
 - [x] Environment variable settings
+- [ ] History save
 - [ ] Color
 - [ ] Completion
 - [ ] Config dotfile support

line.c

@@ -1,16 +1,13 @@
 /*
  * @Author: 1ridic 
  * @Date: 2022-09-18 14:14:05 
- * @Last Modified by: 1ridic
- * @Last Modified time: 2022-09-18 22:08:27
+ * @Last Modified by:   1ridic 
+ * @Last Modified time: 2022-09-18 14:14:05 
  */
 #include "line.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <time.h>
-
-FILE *hf = NULL;
 
 char *readLine(void) {
   int bufsize = LINE_BUF_SIZE;
@@ -29,8 +26,6 @@ char *readLine(void) {
     // repleace EOF with a null character and return
     if (c == EOF || c == '\n') {
       buffer[position] = '\0';
-      time_t tick=time(NULL);
-      fprintf(hf,"%d:%s\n",(int)tick,buffer);
       return buffer;
     } else {
       buffer[position] = c;

main.c

@@ -19,9 +19,7 @@ void intHandler(int dummy) {
   if (isWaiting==1) {
     return;
   }
-  extern FILE* hf;
-  fprintf(stderr,"\nSIGINT exit.");
-  fclose(hf);
+  fprintf(stderr,"\nSIGINT exit.\n");
   exit(EXIT_FAILURE);
   
 }
@@ -31,18 +29,11 @@ int main(int argc, char *argv[]) {
   signal(SIGINT, intHandler);
   /* clear screen */
   fprintf(stdout,"\033[H\033[J");
-  /* open history file */
-  extern FILE* hf;
-  const char* hf_path=strcat(getenv("HOME"), "/.dish_history");
-  hf = fopen(hf_path, "a+");
-  
 #ifdef DEBUG
   fprintf(stdout,"DEBUG is defined\n");
 #endif
   while (1) {
     loop();
   }
-  
-  fclose(hf);
   return 0;
-}
+}