src/add-ons/kernel/generic/mime_table/module.c

   1 /*******************************************************************************
   2 /
   3 /       File:                   mime_table.c
   4 /
   5 /       Description:    Kernel module implementing kernel-space mime_table API
   6 /
   7 /       Copyright 2004, François Revol.
   8 /
   9 *******************************************************************************/
  10
  11 #include <Drivers.h>
  12 #include <KernelExport.h>
  13 #include <string.h>
  14 #include <stdlib.h>
  15
  16 #include <mime_table.h>
  17 extern struct ext_mime mimes[];
  18
  19 #if DEBUG > 0
  20 #define ddprintf(x) dprintf x
  21 #else
  22 #define ddprintf(x)
  23 #endif
  24
  25 /* Module static data */
  26 const char mime_table_module_name[] = B_MIME_TABLE_MODULE_NAME;
  27
  28 static status_t
  29 std_ops(int32 op, ...)
  30 {
  31         switch(op) {
  32         case B_MODULE_INIT:
  33                 return B_OK;
  34         case B_MODULE_UNINIT:
  35                 return B_OK;
  36         default:
  37                 /* do nothing */
  38                 ;
  39         }
  40         return -1;
  41 }
  42
  43 status_t get_table(struct ext_mime **table)
  44 {
  45         if (!table)
  46                 return EINVAL;
  47         /* no need to malloc & copy yet */
  48         *table = mimes;
  49         return B_OK;
  50 }
  51
  52 void free_table(struct ext_mime *table)
  53 {
  54         /* do nothing yet */
  55 }
  56
  57 const char *mime_for_ext(const char *ext)
  58 {
  59         int i;
  60         /* should probably be optimized */
  61         for (i = 0; mimes[i].extension; i++) {
  62                 if (!strcmp(ext, mimes[i].extension))
  63                         return mimes[i].mime;
  64         }
  65         return NULL;
  66 }
  67
  68 const char *ext_for_mime(const char *mime)
  69 {
  70         int i;
  71         /* should probably be optimized */
  72         for (i = 0; mimes[i].mime; i++) {
  73                 if (!strcmp(mime, mimes[i].mime))
  74                         return mimes[i].extension;
  75         }
  76         return NULL;
  77 }
  78
  79 static mime_table_module_info mime_table = {
  80         {
  81                 mime_table_module_name,
  82                 0,
  83                 std_ops
  84         },
  85         get_table,
  86         free_table,
  87         mime_for_ext,
  88         ext_for_mime
  89 };
  90
  91 _EXPORT mime_table_module_info *modules[] = {
  92         &mime_table,
  93         NULL
  94 };
  95