networking/udhcp/libbb_udhcp.h

   1 /* libbb_udhcp.h - busybox compatibility wrapper */
   2
   3 /* bit of a hack, do this no matter what the order of the includes.
   4  * (for busybox) */
   5
   6 #ifndef _LIBBB_UDHCP_H
   7 #define _LIBBB_UDHCP_H
   8
   9 #ifdef CONFIG_INSTALL_NO_USR
  10 # define DEFAULT_SCRIPT  "/share/udhcpc/default.script"
  11 #else
  12 # define DEFAULT_SCRIPT  "/usr/share/udhcpc/default.script"
  13 #endif
  14
  15 #ifdef IN_BUSYBOX
  16 #include "busybox.h"
  17
  18 #ifdef CONFIG_FEATURE_UDHCP_SYSLOG
  19 #define UDHCP_SYSLOG
  20 #endif
  21
  22 #ifdef CONFIG_FEATURE_UDHCP_DEBUG
  23 #define UDHCP_DEBUG
  24 #endif
  25
  26 #define COMBINED_BINARY
  27 #include "version.h"
  28
  29 #define xfopen bb_xfopen
  30
  31 /* make safe the exported namespace */
  32 /* from common.h */
  33 #define background              udhcp_background
  34 #define start_log_and_pid       udhcp_start_log_and_pid
  35 /* from script.h */
  36 #define run_script              udhcp_run_script
  37 /* from packet.h */
  38 #define init_header             udhcp_init_header
  39 #define get_packet              udhcp_get_packet
  40 #define checksum                udhcp_checksum
  41 #define raw_packet              udhcp_raw_packet
  42 #define kernel_packet           udhcp_kernel_packet
  43 /* from pidfile.h */
  44 #define pidfile_acquire         udhcp_pidfile_acquire
  45 #define pidfile_write_release   udhcp_pidfile_write_release
  46 /* from options.h */
  47 #define get_option              udhcp_get_option
  48 #define end_option              udhcp_end_option
  49 #define add_option_string       udhcp_add_option_string
  50 #define add_simple_option       udhcp_add_simple_option
  51 #define option_lengths          udhcp_option_lengths
  52 /* from socket.h */
  53 #define listen_socket           udhcp_listen_socket
  54 #define read_interface          udhcp_read_interface
  55 /* from dhcpc.h */
  56 #define client_config           udhcp_client_config
  57 /* from dhcpd.h */
  58 #define server_config           udhcp_server_config
  59
  60 #else /* ! IN_BUSYBOX */
  61
  62 #include <stdlib.h>
  63 #include <stdio.h>
  64 #include <sys/sysinfo.h>
  65
  66 #ifndef ATTRIBUTE_NORETURN
  67 #define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
  68 #endif /* ATTRIBUTE_NORETURN */
  69
  70 #ifndef ATTRIBUTE_PACKED
  71 #define ATTRIBUTE_PACKED __attribute__ ((__packed__))
  72 #endif /* ATTRIBUTE_PACKED */
  73
  74 #define TRUE                    1
  75 #define FALSE                   0
  76
  77 #define xmalloc malloc
  78 #define xcalloc calloc
  79
  80 static inline FILE *xfopen(const char *file, const char *mode)
  81 {
  82         FILE *fp;
  83         if (!(fp = fopen(file, mode))) {
  84                 perror("could not open input file");
  85                 exit(0);
  86         }
  87         return fp;
  88 }
  89
  90 #endif /* IN_BUSYBOX */
  91
  92 #endif /* _LIBBB_UDHCP_H */