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test pipe

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This commit is contained in:
kinou-p 2022-03-07 13:20:23 +01:00
parent 8f391e5c2a
commit 914d6ceafd
3 changed files with 89 additions and 3 deletions
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3
main.c
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@ -6,7 +6,7 @@
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/03/06 13:27:11 by apommier #+# #+# */
/* Updated: 2022/03/06 17:41:41 by apommier ### ########.fr */
/* Updated: 2022/03/07 11:57:14 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
@ -22,6 +22,7 @@ int main(int ac, char **av, char **path)
char *input;
printf("---MINISHELL START---\n");
execute(t_cmd *cmd, *infile, *outfile);
while (1)
{
color();

5
minishell.h
View File

@ -37,12 +37,13 @@ typedef struct s_command {
char *out_file;
char *input_file;
char *err_file;
int background;
struct s_command *current_cmd;
struct s_simple *current_s_cmd;
} t_cmd;
//main.c
int main();//int ac, char **av, char **path);
//pipe.c
void execute(t_cmd *cmd, char *infile, char *outfile);
#endif

84
pipe.c Normal file
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@ -0,0 +1,84 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* pipe.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/03/07 11:13:32 by apommier #+# #+# */
/* Updated: 2022/03/07 11:52:26 by apommier ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
void execute(t_cmd *cmd, char *infile, char *outfile)
{
//save in/out
int ret;
int fdout;
int tmpin = dup(0);
int tmpout= dup(1);
int fdin;
int fdpipe[2];
int i;
i = 0;
//set the initial input
if (infile)
fdin = open(infile,O_READ);
else //Use default input
fdin=dup(tmpin);
while( i < numsimplecommands)
{
//redirect input
dup2(fdin, 0);
close(fdin);
//setup output
if (i == numsimplecommands - 1)
{
if(outfile)// Last simple command
fdout=open(outfile,……);
else// Use default output
fdout=dup(tmpout);
}
else
{
// Not last
//simple command
//create pipe
//int fdpipe[2];
pipe(fdpipe);
fdout=fdpipe[1];
fdin=fdpipe[0];
}// if/else
// Redirect output
dup2(fdout,1);
close(fdout);
// Create child process
ret=fork();
if(ret==0)
{
execvp(scmd[i].args[0], scmd[i].args);
perror(“execvpâ€);
_exit(1);
}
i++;
} //while
//restore in/out defaults
dup2(tmpin,0);
dup2(tmpout,1);
close(tmpin);
close(tmpout);
if (!background) {
// Wait for last command
waitpid(ret, NULL);
}
} // execute