1 |
/* $Id: min_shell.c,v 1.8 2006/06/15 23:09:44 joko Exp $ */ |
2 |
|
3 |
#include <stdlib.h> |
4 |
#include <stdio.h> |
5 |
#include <errno.h> |
6 |
|
7 |
#include "min_shell.h" |
8 |
|
9 |
|
10 |
#define MAX_COMMAND_LENGTH 1024 |
11 |
|
12 |
int main(int argc, char * argv[]) { |
13 |
|
14 |
// interactive mode with prompt |
15 |
if (argc == 1) { |
16 |
//printf("No arguments given."); |
17 |
//exit(EXIT_FAILURE); |
18 |
char filename[255] = "abc\0"; |
19 |
BOOL background = 0; |
20 |
os_start_process(filename, background); |
21 |
} |
22 |
|
23 |
// scripting mode |
24 |
if (argc == 2) { |
25 |
FILE * script = fopen(argv[1], "r"); |
26 |
run_commands(script); |
27 |
fclose(script); |
28 |
} |
29 |
} |
30 |
|
31 |
void run_commands(FILE * fp) { |
32 |
|
33 |
char command[MAX_COMMAND_LENGTH]; |
34 |
|
35 |
while (fgets(command, MAX_COMMAND_LENGTH, fp)) { |
36 |
int command_length; |
37 |
|
38 |
// strip newlines |
39 |
chomp(command); |
40 |
|
41 |
// ... and action |
42 |
execute_command(command); |
43 |
} |
44 |
|
45 |
} |
46 |
|
47 |
|
48 |
void execute_command(char * command) { |
49 |
|
50 |
BOOL background = FALSE; |
51 |
int command_length; |
52 |
|
53 |
printf("process_command: %s\n", command); |
54 |
|
55 |
// background or foreground? |
56 |
command_length = strlen(command); |
57 |
if (command[command_length-1] == '&') { |
58 |
command[command_length-1] = '\0'; |
59 |
background = TRUE; |
60 |
} |
61 |
|
62 |
os_start_process(command, background); |
63 |
} |
64 |
|