/[cvs]/joko/Uni/BSArch/03/win32/min_shell.c
ViewVC logotype

Diff of /joko/Uni/BSArch/03/win32/min_shell.c

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 1.3 by joko, Thu Jun 15 13:21:05 2006 UTC revision 1.11 by joko, Fri Jun 16 00:31:50 2006 UTC
# Line 3  Line 3 
3  #include <stdlib.h>  #include <stdlib.h>
4  #include <stdio.h>  #include <stdio.h>
5  #include <errno.h>  #include <errno.h>
6  #include <windows.h>  #include <string.h>
7    
8  #define BOOL int  #include "min_shell.h"
 #define TRUE 1  
 #define FALSE 0  
9    
10  int main(int argc, char * argv[]) {  int main(int argc, char * argv[]) {
11      
12      // interactive mode with prompt
13    if (argc == 1) {    if (argc == 1) {
14        fprintf(stderr, "Interactive mode not implemented yet.\n");
15      //printf("No arguments given.");      //printf("No arguments given.");
16      //exit(EXIT_FAILURE);      exit(EXIT_FAILURE);
17      char filename[255] = "abc\0";    }
18      BOOL background = 0;    
19      start_process(filename, background);    // scripting mode
20      if (argc == 2) {
21        FILE * script = fopen(argv[1], "r");
22        run_commands(script);
23        fclose(script);
24    }    }
25  }  }
26    
27  BOOL start_process(char *filename[], BOOL background) {  void run_commands(FILE * fp) {
28        
29    STARTUPINFO si;    char command[MAX_COMMAND_LENGTH];
   PROCESS_INFORMATION pi;  
30        
31    ZeroMemory(&si,sizeof(si));    while (fgets(command, MAX_COMMAND_LENGTH, fp)) {
32    si.cb=sizeof(STARTUPINFO);      int command_length;
33          
34    ZeroMemory(&pi,sizeof(pi));      // strip newlines
35    //pi.cb=sizeof(PROCESS_INFORMATION);      chomp(command);
36          
37    CreateProcess(      // ... and action
38      NULL, "notepad.exe",      dispatch_command(command);
     NULL, NULL, FALSE, 0,  
     NULL, NULL,  
     &si,  
     &pi  
   );  
     
   if (!background) {  
     long status;  
     status = WaitForSingleObject(pi.hProcess, INFINITE);  
     if (status == WAIT_FAILED) {  
       check_alert_error("WaitForSingleObject");  
     }  
39    }    }
40      
41  }  }
42    
 check_alert_error(char *error_source[]) {  
   DWORD dwError = GetLastError();  
43    
44    HLOCAL hlocal = NULL;  void dispatch_command(char * command) {
45    
46    BOOL fOk = FormatMessage(    BOOL background = FALSE;
47      FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER,    int command_length;
48      NULL,    char first_char;
49      dwError,    char * shell_command;
50      MAKELANGID(LANG_NEUTRAL, SUBLANG_SYS_DEFAULT),  
51      (PTSTR)&hlocal,    // is it a shell command?
52      0,    first_char = command[0];
53      NULL    if (strcmp(&first_char, ":") == 0) {
54    );      
55        // "calculate" shell command ...
56    if (hlocal != NULL) {      shell_command = command + 1;
57      fprintf(stderr, "Error with '%s': %s", error_source, hlocal);      //printf("shell command: %s\n", shell_command);
58      LocalFree(hlocal);      
59    }      // ... and dispatch it
60        
61        // wait
62        if (strcmp(shell_command, "wait") == 0) {
63          // TODO
64          os_wait_for_processes();
65        
66        // exit
67        } else if (strcmp(shell_command, "exit") == 0) {
68          exit(EXIT_SUCCESS);
69        
70        // unknown command
71        } else {
72          fprintf(stderr, "ERROR: Unknown shell command '%s'\n", shell_command);
73        }
74        
75      // run program: background or foreground?
76      } else {
77        //printf("running: %s\n", command);
78        command_length = strlen(command);
79        if (command[command_length-1] == '&') {
80          command[command_length-1] = '\0';
81          background = TRUE;
82        }
83        
84        os_start_process(command, background);
85      }
86  }  }
87    
Legend:
Removed from v.1.3  
changed lines
  Added in v.1.11
MailToCvsAdmin">MailToCvsAdmin
 ViewVC Help
Powered by ViewVC 1.1.26 RSS 2.0 feed