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file_in file_out

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Laureηt 2021-05-10 16:08:04 +02:00
parent 21dcfc371c
commit ef3aefe876
2 changed files with 17 additions and 2 deletions
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minishell.c
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@ -6,6 +6,7 @@
#include <sys/wait.h>
#include <string.h>
#include <signal.h>
#include <fcntl.h>
#include <errno.h>
#include <setjmp.h>
#include "readcmd.h"
@ -24,6 +25,8 @@ jmp_buf goto_prompt;
char initcd[256], currentcd[256];
int file_in, file_out;
void handler_sigchld(int sig_num)
{
do
@ -227,8 +230,20 @@ int main(int argc, char *argv[])
sigaction(SIGTSTP, &action, NULL); // on igonre SIGTSTP
sigaction(SIGINT, &action, NULL); // on ignore SIGINT
if (cmd->in)
{
file_in = open(cmd->in, O_RDONLY);
dup2(file_in, 0);
}
if (cmd->out)
{
file_out = open(cmd->out, O_CREAT | O_TRUNC | O_WRONLY, 0640);
dup2(file_out, 1);
}
execvp(cmd->seq[0][0], cmd->seq[0]);
exit(errno); // si execlp échoue on exit avec une erreur
fprintf(stderr, "ERROR: execvp failed, (%d) %s\n", errno, strerror(errno));
exit(errno); // si execvp échoue on exit avec une erreur
}
else
{ // instructions du père
@ -249,7 +264,7 @@ int main(int argc, char *argv[])
if (wait_code)
{ // execvp fail ?
fprintf(stderr, "ERROR: command failed, (%d) %s\n", wait_code, strerror(wait_code));
fprintf(stderr, "ERROR: child failed, (%d) %s\n", wait_code, strerror(wait_code));
}
}
}