lib/rpmlead.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <unistd.h>
   4 #include <asm/byteorder.h>
   5
   6 #include "rpmlead.h"
   7
   8 int writeLead(int fd, struct rpmlead *lead)
   9 {
  10     struct rpmlead l;
  11
  12     memcpy(&l, lead, sizeof(*lead));
  13
  14     l.magic[0] = RPMLEAD_MAGIC0;
  15     l.magic[1] = RPMLEAD_MAGIC1;
  16     l.magic[2] = RPMLEAD_MAGIC2;
  17     l.magic[3] = RPMLEAD_MAGIC3;
  18
  19     l.type = htons(l.type);
  20     l.archnum = htons(l.archnum);
  21     l.osnum = htons(l.osnum);
  22     l.signature_type = htons(l.signature_type);
  23
  24     write(fd, &l, sizeof(l));
  25
  26     return 0;
  27 }
  28
  29 int readLead(int fd, struct rpmlead *lead)
  30 {
  31     read(fd, lead, sizeof(*lead));
  32
  33     lead->type = ntohs(lead->type);
  34     lead->archnum = ntohs(lead->archnum);
  35     lead->osnum = ntohs(lead->osnum);
  36     lead->signature_type = ntohs(lead->signature_type);
  37
  38     return 0;
  39 }
  40