src/basic/format-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <inttypes.h>
   5 #include <net/if.h>
   6 #include <stdbool.h>
   7
   8 #if SIZEOF_PID_T == 4
   9 #  define PID_PRI PRIi32
  10 #elif SIZEOF_PID_T == 2
  11 #  define PID_PRI PRIi16
  12 #else
  13 #  error Unknown pid_t size
  14 #endif
  15 #define PID_FMT "%" PID_PRI
  16
  17 #if SIZEOF_UID_T == 4
  18 #  define UID_FMT "%" PRIu32
  19 #elif SIZEOF_UID_T == 2
  20 #  define UID_FMT "%" PRIu16
  21 #else
  22 #  error Unknown uid_t size
  23 #endif
  24
  25 #if SIZEOF_GID_T == 4
  26 #  define GID_FMT "%" PRIu32
  27 #elif SIZEOF_GID_T == 2
  28 #  define GID_FMT "%" PRIu16
  29 #else
  30 #  error Unknown gid_t size
  31 #endif
  32
  33 #if SIZEOF_TIME_T == 8
  34 #  define PRI_TIME PRIi64
  35 #elif SIZEOF_TIME_T == 4
  36 #  define PRI_TIME "li"
  37 #else
  38 #  error Unknown time_t size
  39 #endif
  40
  41 #if defined __x86_64__ && defined __ILP32__
  42 #  define PRI_TIMEX PRIi64
  43 #else
  44 #  define PRI_TIMEX "li"
  45 #endif
  46
  47 #if SIZEOF_RLIM_T == 8
  48 #  define RLIM_FMT "%" PRIu64
  49 #elif SIZEOF_RLIM_T == 4
  50 #  define RLIM_FMT "%" PRIu32
  51 #else
  52 #  error Unknown rlim_t size
  53 #endif
  54
  55 #if SIZEOF_DEV_T == 8
  56 #  define DEV_FMT "%" PRIu64
  57 #elif SIZEOF_DEV_T == 4
  58 #  define DEV_FMT "%" PRIu32
  59 #else
  60 #  error Unknown dev_t size
  61 #endif
  62
  63 #if SIZEOF_INO_T == 8
  64 #  define INO_FMT "%" PRIu64
  65 #elif SIZEOF_INO_T == 4
  66 #  define INO_FMT "%" PRIu32
  67 #else
  68 #  error Unknown ino_t size
  69 #endif
  70
  71 char *format_ifname(int ifindex, char buf[static IF_NAMESIZE + 1]);
  72
  73 typedef enum {
  74         FORMAT_BYTES_USE_IEC     = 1 << 0,
  75         FORMAT_BYTES_BELOW_POINT = 1 << 1,
  76         FORMAT_BYTES_TRAILING_B  = 1 << 2,
  77 } FormatBytesFlag;
  78
  79 #define FORMAT_BYTES_MAX 8
  80 char *format_bytes_full(char *buf, size_t l, uint64_t t, FormatBytesFlag flag);
  81 static inline char *format_bytes(char *buf, size_t l, uint64_t t) {
  82         return format_bytes_full(buf, l, t, FORMAT_BYTES_USE_IEC | FORMAT_BYTES_BELOW_POINT | FORMAT_BYTES_TRAILING_B);
  83 }