util/cbfstool/cse_helpers.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Helper functions for cse_serger and cse_fpt */
   3
   4 #include <commonlib/endian.h>
   5
   6 #include "cse_helpers.h"
   7
   8 void write_member(struct buffer *buff, void *src, size_t size)
   9 {
  10         void *dst = buffer_get(buff);
  11
  12         switch (size) {
  13         case 1:
  14                 write_le8(dst, *(uint8_t *)src);
  15                 break;
  16         case 2:
  17                 write_le16(dst, *(uint16_t *)src);
  18                 break;
  19         case 4:
  20                 write_le32(dst, *(uint32_t *)src);
  21                 break;
  22         case 8:
  23                 write_le64(dst, *(uint64_t *)src);
  24                 break;
  25         default:
  26                 memcpy(dst, src, size);
  27                 break;
  28         }
  29
  30         buffer_seek(buff, size);
  31 }
  32
  33 void read_member(struct buffer *buff, void *dst, size_t size)
  34 {
  35         const void *src = buffer_get(buff);
  36
  37         switch (size) {
  38         case 1:
  39                 *(uint8_t *)dst = read_le8(src);
  40                 break;
  41         case 2:
  42                 *(uint16_t *)dst = read_le16(src);
  43                 break;
  44         case 4:
  45                 *(uint32_t *)dst = read_le32(src);
  46                 break;
  47         case 8:
  48                 *(uint64_t *)dst = read_le64(src);
  49                 break;
  50         default:
  51                 memcpy(dst, src, size);
  52                 break;
  53         }
  54
  55         buffer_seek(buff, size);
  56 }