packages/kexec-boot-loader/makedevs.patch

   1 Index: kexec-boot-loader/main.c
   2 ===================================================================
   3 --- kexec-boot-loader.orig/main.c       2006-06-26 21:41:34.000000000 -0600
   4 +++ kexec-boot-loader/main.c    2006-06-26 21:48:21.000000000 -0600
   5 @@ -1,5 +1,8 @@
   6  #include <stdio.h>
   7  #include <sys/mount.h>
   8 +#include <sys/stat.h>
   9 +#include <fcntl.h>
  10 +#include <unistd.h>
  11  #include <errno.h>
  12  #include "ui.h"
  13  #include "mount.h"
  14 @@ -20,6 +23,77 @@
  15         return do_mount(0, "/proc", "proc");
  16  }
  17
  18 +#define iseol(_c) ((_c == '\n') || (_c == 0))
  19 +#define isspace(_c) ((_c == ' ') || (_c == '\t'))
  20 +
  21 +/* Make a series of devices based on a file (the same format as makedevs) */
  22 +
  23 +int makedevs(const char *filename) {
  24 +
  25 +  char *argv[10];
  26 +  char buffer[128];
  27 +
  28 +  int i;
  29 +  FILE *stream = fopen(filename, "r");
  30 +
  31 +  if (stream == NULL)
  32 +    return -1;
  33 +
  34 +  while(!feof(stream)) {
  35 +    char *str = fgets(buffer, sizeof(buffer) - 1, stream);
  36 +
  37 +    if (str == NULL)
  38 +      continue;
  39 +
  40 +    for(i = 0; i < 10; i++) {
  41 +      argv[i] = str;
  42 +      for( ; !isspace(*str) && !iseol(*str); str++);
  43 +
  44 +      if (iseol(*str))
  45 +         break;
  46 +
  47 +      *str++ = 0;
  48 +
  49 +      for( ;isspace(*str) && !iseol(*str); str++);
  50 +
  51 +      if (iseol(*str))
  52 +       break;
  53 +    }
  54 +
  55 +    /* The first 4 columns need to be there */
  56 +
  57 +    if (i < 2)
  58 +      continue;
  59 +
  60 +    /* Note - everything is created as 0 0, regardless of what is specified */
  61 +
  62 +    if (*argv[1] == 'd' ) {
  63 +      mode_t mode = atoi(argv[2]);
  64 +      if (mkdir(argv[0], mode))
  65 +       print("Couldn't make directory %s\n", argv[0]);
  66 +    }
  67 +    else if (*argv[1] == 'c' || *argv[1] == 'b') {
  68 +      if (i >= 6) {
  69 +       mode_t mode = atoi(argv[2]);
  70 +
  71 +       int major = atoi(argv[5]);
  72 +       int minor = atoi(argv[6]);
  73 +
  74 +       if (*argv[2] == 'b')
  75 +         mode |= S_IFBLK;
  76 +       else
  77 +         mode |= S_IFCHR;
  78 +
  79 +       if (mknod(argv[0], mode, major << 8 | minor))
  80 +         print("Couldn't make nod %s(%d,%d)\n", argv[0], major, minor);
  81 +      }
  82 +    }
  83 +  }
  84 +
  85 +  fclose(stream);
  86 +  return 0;
  87 +}
  88 +
  89  int main (void)
  90  {
  91         int ret;
  92 @@ -27,6 +101,7 @@
  93         print("Kexec boot loader\n\n");
  94
  95         mount_proc();
  96 +       makedevs("/device.txt");
  97
  98         create_mountpath(mntpoint);
  99