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#include "exec.h"
#include "comment.h"
#include "env.h"
#include "variable.h"
#include "../lib/sys/io.h"
#include "../lib/cstr/cstr.h"
#include "../lib/sys/dup2.h"
#include "../lib/sys/exit.h"
#include "../lib/malloc/malloc.h"
#include "../lib/sys/types.h"
#include "../lib/io/io.h"
#include "../lib/sys/errno.h"
int main(int argc, char *argv[])
{
char prompt[] = "$ ";
i64 line_length;
int fd = STDIN_FD;
char linebuf[BUFSIZ];
char *line;
char *line_exec;
init_arg_env(argc, (const char**)argv);
if (argc > 1) {
fd = open(argv[1], OPEN_READ_ONLY, 0);
if (fd < 0) {
wff(STDERR_FD, "smash: %s\n", errstr[-fd]);
return -1;
}
}
while (1) {
if (fd == STDIN_FD)
wstd(prompt);
line_length = get_next_line_from_fd(fd, linebuf);
if (line_length == -1) {
break;
}
remove_comment(linebuf);
line = new_line_and_replace_vars(linebuf, BUFSIZ);
line_exec = setup_variable_line_context(line);
line_length = cstr_length(line_exec);
if (line_length > 0) {
exec(line_exec);
}
cleanup_variable_line_context();
free(line);
}
if (fd != STDOUT_FD)
close(fd);
}
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