killing the child process when command don't exist

.gitignore

@@ -52,3 +52,8 @@ Module.symvers
 Mkfile.old
 dkms.conf
 
+
+
+pretty_shell
+
+.clangd

Makefile

@@ -17,4 +17,5 @@ $(OBJ): $(SRC)
 	cd $(SRC_DIR) && $(MAKE)
 
 clean:
+	rm $(NAME)
 	@(cd $(SRC_DIR) && $(MAKE) $@)	

Session.vim

@@ -0,0 +1,135 @@
+let SessionLoad = 1
+if &cp | set nocp | endif
+let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0
+let v:this_session=expand("<sfile>:p")
+silent only
+silent tabonly
+cd ~/docs/C/shell
+if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''
+  let s:wipebuf = bufnr('%')
+endif
+set shortmess=aoO
+argglobal
+%argdel
+$argadd src/color.c
+$argadd src/exec.c
+$argadd src/main.c
+$argadd src/my_printf.c
+$argadd src/parser.c
+$argadd src/shell.c
+$argadd include/color.h
+$argadd include/exec.h
+$argadd include/lib.h
+$argadd include/my_printf.h
+$argadd include/parser.h
+$argadd include/shell.h
+edit src/shell.c
+set splitbelow splitright
+wincmd _ | wincmd |
+vsplit
+1wincmd h
+wincmd _ | wincmd |
+split
+1wincmd k
+wincmd w
+wincmd w
+set nosplitbelow
+set nosplitright
+wincmd t
+set winminheight=0
+set winheight=1
+set winminwidth=0
+set winwidth=1
+exe '1resize ' . ((&lines * 21 + 22) / 45)
+exe 'vert 1resize ' . ((&columns * 117 + 117) / 234)
+exe '2resize ' . ((&lines * 21 + 22) / 45)
+exe 'vert 2resize ' . ((&columns * 117 + 117) / 234)
+exe 'vert 3resize ' . ((&columns * 116 + 117) / 234)
+argglobal
+if bufexists("src/shell.c") | buffer src/shell.c | else | edit src/shell.c | endif
+setlocal fdm=manual
+setlocal fde=0
+setlocal fmr={{{,}}}
+setlocal fdi=#
+setlocal fdl=0
+setlocal fml=1
+setlocal fdn=20
+setlocal fen
+silent! normal! zE
+let s:l = 29 - ((13 * winheight(0) + 10) / 21)
+if s:l < 1 | let s:l = 1 | endif
+exe s:l
+normal! zt
+29
+normal! 017|
+wincmd w
+argglobal
+if bufexists("src/parser.c") | buffer src/parser.c | else | edit src/parser.c | endif
+setlocal fdm=manual
+setlocal fde=0
+setlocal fmr={{{,}}}
+setlocal fdi=#
+setlocal fdl=0
+setlocal fml=1
+setlocal fdn=20
+setlocal fen
+silent! normal! zE
+let s:l = 46 - ((0 * winheight(0) + 10) / 21)
+if s:l < 1 | let s:l = 1 | endif
+exe s:l
+normal! zt
+46
+normal! 0
+wincmd w
+argglobal
+if bufexists("src/exec.c") | buffer src/exec.c | else | edit src/exec.c | endif
+setlocal fdm=manual
+setlocal fde=0
+setlocal fmr={{{,}}}
+setlocal fdi=#
+setlocal fdl=0
+setlocal fml=1
+setlocal fdn=20
+setlocal fen
+silent! normal! zE
+let s:l = 100 - ((42 * winheight(0) + 21) / 43)
+if s:l < 1 | let s:l = 1 | endif
+exe s:l
+normal! zt
+100
+normal! 030|
+wincmd w
+3wincmd w
+exe '1resize ' . ((&lines * 21 + 22) / 45)
+exe 'vert 1resize ' . ((&columns * 117 + 117) / 234)
+exe '2resize ' . ((&lines * 21 + 22) / 45)
+exe 'vert 2resize ' . ((&columns * 117 + 117) / 234)
+exe 'vert 3resize ' . ((&columns * 116 + 117) / 234)
+tabnext 1
+badd +21 src/color.c
+badd +1 src/exec.c
+badd +0 src/main.c
+badd +0 src/my_printf.c
+badd +1 src/parser.c
+badd +64 src/shell.c
+badd +0 include/color.h
+badd +0 include/exec.h
+badd +0 include/lib.h
+badd +0 include/my_printf.h
+badd +0 include/parser.h
+badd +0 include/shell.h
+if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0
+  silent exe 'bwipe ' . s:wipebuf
+endif
+unlet! s:wipebuf
+set winheight=1 winwidth=20 shortmess=filnxtToOSc
+set winminheight=1 winminwidth=1
+let s:sx = expand("<sfile>:p:r")."x.vim"
+if filereadable(s:sx)
+  exe "source " . fnameescape(s:sx)
+endif
+let &so = s:so_save | let &siso = s:siso_save
+nohlsearch
+doautoall SessionLoadPost
+unlet SessionLoad
+" vim: set ft=vim :

compile_commands.json

@@ -1,19 +1,62 @@
 [
- {
-  "directory": "/home/celeste/docs/C/shell/src",
-  "arguments": [
-   "gcc",
-   "-c",
-   "color.c",
-   "exec.c",
-   "main.c",
-   "my_printf.c",
-   "parser.c",
-   "shell.c",
-   "-L../libs/",
-   "-lmy",
-   "-I../include/"
-  ],
-  "file": "shell.c"
- }
-]
+    {
+        "arguments": [
+            "gcc",
+            "-c",
+            "-I../include/",
+            "color.c"
+        ],
+        "directory": "/home/celeste/docs/C/shell/src",
+        "file": "color.c"
+    },
+    {
+        "arguments": [
+            "gcc",
+            "-c",
+            "-I../include/",
+            "exec.c"
+        ],
+        "directory": "/home/celeste/docs/C/shell/src",
+        "file": "exec.c"
+    },
+    {
+        "arguments": [
+            "gcc",
+            "-c",
+            "-I../include/",
+            "main.c"
+        ],
+        "directory": "/home/celeste/docs/C/shell/src",
+        "file": "main.c"
+    },
+    {
+        "arguments": [
+            "gcc",
+            "-c",
+            "-I../include/",
+            "my_printf.c"
+        ],
+        "directory": "/home/celeste/docs/C/shell/src",
+        "file": "my_printf.c"
+    },
+    {
+        "arguments": [
+            "gcc",
+            "-c",
+            "-I../include/",
+            "parser.c"
+        ],
+        "directory": "/home/celeste/docs/C/shell/src",
+        "file": "parser.c"
+    },
+    {
+        "arguments": [
+            "gcc",
+            "-c",
+            "-I../include/",
+            "shell.c"
+        ],
+        "directory": "/home/celeste/docs/C/shell/src",
+        "file": "shell.c"
+    }
+]

src/exec.c

@@ -84,16 +84,21 @@ int execute(char** argv){
 	int status;
 
 	switch(child_pid = fork()){
+		// error on the fork
 		case -1:
 			my_printf("error on fork");
 			exit(EXIT_FAILURE);
 			break;
+		// child process
 		case 0:
 			// my_printf("child processe");
 
 			execvp(argv[0], argv);
 			my_printf("the commande is not found\n");
+			// we exit the child process
+			exit(EXIT_SUCCESS);
 			break;
+		// parent process
 		default: 
 			wait(&status);
 	}

src/shell.c

@@ -50,6 +50,7 @@ char my_getchar(void){
 char* read_line(int* size_line){
 	char ch;
 	char* buff = malloc(BUFFER_SIZE);
+
 	int current_size = BUFFER_SIZE;
 	int position;	
 	if(!buff){
@@ -71,5 +72,6 @@ char* read_line(int* size_line){
 		}
 	}
 	*size_line = position;
+	buff[position] = '\0'; // put the end caractere a the end of the string we get
 	return buff;
 }