src/shared/generator.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <stdio.h>
   5
   6 #include "main-func.h"
   7
   8 int generator_open_unit_file(
   9         const char *dest,
  10         const char *source,
  11         const char *name,
  12         FILE **file);
  13
  14 int generator_add_symlink(const char *dir, const char *dst, const char *dep_type, const char *src);
  15
  16 int generator_write_fsck_deps(
  17         FILE *f,
  18         const char *dir,
  19         const char *what,
  20         const char *where,
  21         const char *type);
  22
  23 int generator_write_timeouts(
  24         const char *dir,
  25         const char *what,
  26         const char *where,
  27         const char *opts,
  28         char **filtered);
  29
  30 int generator_write_blockdev_dependency(
  31                 FILE *f,
  32                 const char *what);
  33
  34 int generator_write_cryptsetup_unit_section(
  35                 FILE *f,
  36                 const char *source);
  37
  38 int generator_write_cryptsetup_service_section(
  39                 FILE *f,
  40                 const char *name,
  41                 const char *what,
  42                 const char *password,
  43                 const char *options);
  44
  45 int generator_write_device_deps(
  46         const char *dir,
  47         const char *what,
  48         const char *where,
  49         const char *opts);
  50
  51 int generator_write_initrd_root_device_deps(
  52         const char *dir,
  53         const char *what);
  54
  55 int generator_hook_up_mkswap(
  56         const char *dir,
  57         const char *what);
  58 int generator_hook_up_mkfs(
  59         const char *dir,
  60         const char *what,
  61         const char *where,
  62         const char *type);
  63 int generator_hook_up_growfs(
  64         const char *dir,
  65         const char *where,
  66         const char *target);
  67
  68 int generator_enable_remount_fs_service(const char *dir);
  69
  70 void log_setup_generator(void);
  71
  72 /* Similar to DEFINE_MAIN_FUNCTION, but initializes logging and assigns positional arguments. */
  73 #define DEFINE_MAIN_GENERATOR_FUNCTION(impl)                            \
  74         _DEFINE_MAIN_FUNCTION(                                          \
  75                 ({                                                      \
  76                         log_setup_generator();                          \
  77                         if (argc > 1 && argc != 4)                      \
  78                                 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), \
  79                                                        "This program takes zero or three arguments."); \
  80                 }),                                                     \
  81                 impl(argc > 1 ? argv[1] : "/tmp",                       \
  82                      argc > 1 ? argv[2] : "/tmp",                       \
  83                      argc > 1 ? argv[3] : "/tmp"),                      \
  84                 r < 0 ? EXIT_FAILURE : EXIT_SUCCESS)