static int
make_dir_path(const char * const run_dir)
{
struct stat st;
int res = 0;
char tmp_path[MAX_PATH_LEN];
char *ndx;
strlcpy(tmp_path, run_dir, sizeof(tmp_path));
/* Strip any trailing dir sep char.
*/
chop_char(tmp_path, PATH_SEP);
for(ndx = tmp_path+1; *ndx; ndx++)
{
if(*ndx == '/')
{
*ndx = '\0';
/* Stat this part of the path to see if it is a valid directory.
* If it does not exist, attempt to create it. If it does, and
* it is a directory, go on. Otherwise, any other error cause it
* to bail.
*/
if(stat(tmp_path, &st) != 0)
{
if(errno == ENOENT)
{
res = mkdir(tmp_path, S_IRWXU);
if(res != 0)
return res;
/* run stat() against the component since we just
* created it
*/
if(stat(tmp_path, &st) != 0)
{
log_msg(LOG_ERR,
"Could not create component: %s of %s", tmp_path, run_dir
);
return(ENOTDIR);
}
}
}
if(! S_ISDIR(st.st_mode))
{
log_msg(LOG_ERR,
"Component: %s of %s is NOT a directory", tmp_path, run_dir
);
return(ENOTDIR);
}
*ndx = '/';
}
}
res = mkdir(tmp_path, S_IRWXU);
return(res);
}
//processes command by forking, redirecting i/o in the child process,
//and using execvp in the child process
int do_command(){
printf("Executing command %s", my_argv[0]);
if(my_argc > 1)
printf(" with arguments");
for(int i =1 ; i < my_argc; i++)
printf(" \"%s\"", my_argv[i]);
printf("\n");
if(gettimeofday(&start, NULL) <0)
perror("start gettimeofday");
if((pid = fork()) == -1){
perror("Fork ");
exit(1);
}
//actions to be performed in child process
if(pid == 0){
int i;
// I/O Redirection
if(numrs != 0){
for(i = 0; i!= numrs; ++i){
switch(redirect_check(my_argv1[i])){
case 1:
chop_char(my_argv1[i], 1); // "<filename"
redirect(my_argv1[i], 0, 0);
break;
case 2:
redirect(my_argv1[i +1], 0, 0); // "< filename"
break;
case 3:
chop_char(my_argv1[i], 1); // ">filename"
redirect(my_argv1[i], 1, 1);
break;
case 4: //"> filename"
redirect(my_argv1[i+1], 1, 1);
break;
case 5: //"2>filename"
chop_char(my_argv1[i], 2);
redirect(my_argv1[i], 2, 1);
break;
case 6: //"2> filename"
redirect(my_argv1[i+1], 2, 1);
break;
case 7: //">>filename"
chop_char(my_argv1[i], 2);
redirect(my_argv1[i], 1, 2);
break;
case 8: //">> filename"
redirect(my_argv1[i+1], 1, 2);
break;
case 9: //"2>>filename"
chop_char(my_argv1[i], 3);
redirect(my_argv1[i], 2, 2);
break;
case 10: //"2>> filename"
redirect(my_argv1[i+1], 2, 2);
break;
}
}
}
execvp(my_argv[0], my_argv);
perror("execvp");
exit(1);
}
//actions to be performed in parent process
if(pid != 0)
printProcessInfo();
return 0;
}
void
chop_newline(char *str)
{
chop_char(str, 0x0a);
return;
}