/usr/share/include-what-you-use/gcc.symbols.imp is in iwyu 5.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | # For library symbols that can be defined in more than one header
# file, maps from symbol-name to legitimate header files.
# This list was generated via
# grep -R '__.*_defined' /usr/include | perl -nle 'm,/usr/include/([^:]*):#\s*\S+ __(.*)_defined, and print qq@ { symbol: [ "$2", public, "<$1>", public ] },@' | sort -u
# I ignored all entries that only appeared once on the list (eg uint32_t).
# I then added in NULL, which according to [diff.null] C.2.2.3, can
# be defined in <clocale>, <cstddef>, <cstdio>, <cstdlib>,
# <cstring>, <ctime>, or <cwchar>. We also allow their C
# equivalents.
# In each case, I ordered them so <sys/types.h> was first, if it was
# an option for this type. That's the preferred #include all else
# equal. The visibility on the symbol-name is ignored; by convension
# we always set it to private.
[
{ symbol: [ "blksize_t", private, "<sys/types.h>", public ] },
{ symbol: [ "blkcnt_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "blkcnt_t", private, "<sys/types.h>", public ] },
{ symbol: [ "blksize_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "daddr_t", private, "<sys/types.h>", public ] },
{ symbol: [ "daddr_t", private, "<rpc/types.h>", public ] },
{ symbol: [ "dev_t", private, "<sys/types.h>", public ] },
{ symbol: [ "dev_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "error_t", private, "<errno.h>", public ] },
{ symbol: [ "error_t", private, "<argp.h>", public ] },
{ symbol: [ "error_t", private, "<argz.h>", public ] },
{ symbol: [ "fsblkcnt_t", private, "<sys/types.h>", public ] },
{ symbol: [ "fsblkcnt_t", private, "<sys/statvfs.h>", public ] },
{ symbol: [ "fsfilcnt_t", private, "<sys/types.h>", public ] },
{ symbol: [ "fsfilcnt_t", private, "<sys/statvfs.h>", public ] },
{ symbol: [ "gid_t", private, "<sys/types.h>", public ] },
{ symbol: [ "gid_t", private, "<grp.h>", public ] },
{ symbol: [ "gid_t", private, "<pwd.h>", public ] },
{ symbol: [ "gid_t", private, "<stropts.h>", public ] },
{ symbol: [ "gid_t", private, "<sys/ipc.h>", public ] },
{ symbol: [ "gid_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "gid_t", private, "<unistd.h>", public ] },
{ symbol: [ "id_t", private, "<sys/types.h>", public ] },
{ symbol: [ "id_t", private, "<sys/resource.h>", public ] },
{ symbol: [ "ino64_t", private, "<sys/types.h>", public ] },
{ symbol: [ "ino64_t", private, "<dirent.h>", public ] },
{ symbol: [ "ino_t", private, "<sys/types.h>", public ] },
{ symbol: [ "ino_t", private, "<dirent.h>", public ] },
{ symbol: [ "ino_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "int8_t", private, "<sys/types.h>", public ] },
{ symbol: [ "int8_t", private, "<stdint.h>", public ] },
{ symbol: [ "intptr_t", private, "<stdint.h>", public ] },
{ symbol: [ "intptr_t", private, "<unistd.h>", public ] },
{ symbol: [ "key_t", private, "<sys/types.h>", public ] },
{ symbol: [ "key_t", private, "<sys/ipc.h>", public ] },
{ symbol: [ "mode_t", private, "<sys/types.h>", public ] },
{ symbol: [ "mode_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "mode_t", private, "<sys/ipc.h>", public ] },
{ symbol: [ "mode_t", private, "<sys/mman.h>", public ] },
{ symbol: [ "nlink_t", private, "<sys/types.h>", public ] },
{ symbol: [ "nlink_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "off64_t", private, "<sys/types.h>", public ] },
{ symbol: [ "off64_t", private, "<unistd.h>", public ] },
{ symbol: [ "off_t", private, "<sys/types.h>", public ] },
{ symbol: [ "off_t", private, "<unistd.h>", public ] },
{ symbol: [ "off_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "off_t", private, "<sys/mman.h>", public ] },
{ symbol: [ "pid_t", private, "<sys/types.h>", public ] },
{ symbol: [ "pid_t", private, "<unistd.h>", public ] },
{ symbol: [ "pid_t", private, "<signal.h>", public ] },
{ symbol: [ "pid_t", private, "<sys/msg.h>", public ] },
{ symbol: [ "pid_t", private, "<sys/shm.h>", public ] },
{ symbol: [ "pid_t", private, "<termios.h>", public ] },
{ symbol: [ "pid_t", private, "<time.h>", public ] },
{ symbol: [ "pid_t", private, "<utmpx.h>", public ] },
{ symbol: [ "sigset_t", private, "<signal.h>", public ] },
{ symbol: [ "sigset_t", private, "<sys/epoll.h>", public ] },
{ symbol: [ "sigset_t", private, "<sys/select.h>", public ] },
{ symbol: [ "socklen_t", private, "<bits/socket.h>", private ] },
{ symbol: [ "socklen_t", private, "<unistd.h>", public ] },
{ symbol: [ "socklen_t", private, "<arpa/inet.h>", public ] },
{ symbol: [ "ssize_t", private, "<sys/types.h>", public ] },
{ symbol: [ "ssize_t", private, "<unistd.h>", public ] },
{ symbol: [ "ssize_t", private, "<monetary.h>", public ] },
{ symbol: [ "ssize_t", private, "<sys/msg.h>", public ] },
{ symbol: [ "suseconds_t", private, "<sys/types.h>", public ] },
{ symbol: [ "suseconds_t", private, "<sys/time.h>", public ] },
{ symbol: [ "suseconds_t", private, "<sys/select.h>", public ] },
{ symbol: [ "u_char", private, "<sys/types.h>", public ] },
{ symbol: [ "u_char", private, "<rpc/types.h>", public ] },
{ symbol: [ "uid_t", private, "<sys/types.h>", public ] },
{ symbol: [ "uid_t", private, "<unistd.h>", public ] },
{ symbol: [ "uid_t", private, "<pwd.h>", public ] },
{ symbol: [ "uid_t", private, "<signal.h>", public ] },
{ symbol: [ "uid_t", private, "<stropts.h>", public ] },
{ symbol: [ "uid_t", private, "<sys/ipc.h>", public ] },
{ symbol: [ "uid_t", private, "<sys/stat.h>", public ] },
{ symbol: [ "useconds_t", private, "<sys/types.h>", public ] },
{ symbol: [ "useconds_t", private, "<unistd.h>", public ] },
# glob.h seems to define size_t if necessary, but it should come from stddef.
{ symbol: [ "size_t", private, "<stddef.h>", public ] },
{ symbol: [ "size_t", private, "<stdio.h>", public ] },
{ symbol: [ "size_t", private, "<stdlib.h>", public ] },
{ symbol: [ "size_t", private, "<string.h>", public ] },
{ symbol: [ "size_t", private, "<time.h>", public ] },
{ symbol: [ "size_t", private, "<wchar.h>", public ] },
# Macros that can be defined in more than one file, don't have the
# same __foo_defined guard that other types do, so the grep above
# doesn't discover them. Until I figure out a better way, I just
# add them in by hand as I discover them.
{ symbol: [ "EOF", private, "<stdio.h>", public ] },
{ symbol: [ "EOF", private, "<libio.h>", public ] },
{ symbol: [ "FILE", private, "<stdio.h>", public ] },
{ symbol: [ "va_list", private, "<stdarg.h>", public ] },
# These are symbols that could be defined in either stdlib.h or
# malloc.h, but we always want the stdlib location.
{ symbol: [ "malloc", private, "<stdlib.h>", public ] },
{ symbol: [ "calloc", private, "<stdlib.h>", public ] },
{ symbol: [ "realloc", private, "<stdlib.h>", public ] },
{ symbol: [ "free", private, "<stdlib.h>", public ] },
# Entries for NULL
{ symbol: [ "NULL", private, "<stddef.h>", public ] }, # 'canonical' location for NULL
{ symbol: [ "NULL", private, "<clocale>", public ] },
{ symbol: [ "NULL", private, "<cstddef>", public ] },
{ symbol: [ "NULL", private, "<cstdio>", public ] },
{ symbol: [ "NULL", private, "<cstdlib>", public ] },
{ symbol: [ "NULL", private, "<cstring>", public ] },
{ symbol: [ "NULL", private, "<ctime>", public ] },
{ symbol: [ "NULL", private, "<cwchar>", public ] },
{ symbol: [ "NULL", private, "<locale.h>", public ] },
{ symbol: [ "NULL", private, "<stdio.h>", public ] },
{ symbol: [ "NULL", private, "<stdlib.h>", public ] },
{ symbol: [ "NULL", private, "<string.h>", public ] },
{ symbol: [ "NULL", private, "<time.h>", public ] },
{ symbol: [ "NULL", private, "<wchar.h>", public ] },
# Kludge time: almost all STL types take an allocator, but they
# almost always use the default value. Usually we detect that
# and don't try to do IWYU, but sometimes it passes through.
# For instance, when adding two strings, we end up calling
# template<_CharT,_Traits,_Alloc> ... operator+(
# basic_string<_CharT,_Traits,_Alloc>, ...)
# These look like normal template args to us, so we see they're
# used and declare an iwyu dependency, even though we don't need
# to #include the traits or alloc type ourselves. The surest way
# to deal with this is to just say that everyone provides
# std::allocator. We can add more here at need.
{ symbol: [ "std::allocator", private, "<memory>", public ] },
{ symbol: [ "std::allocator", private, "<string>", public ] },
{ symbol: [ "std::allocator", private, "<vector>", public ] },
{ symbol: [ "std::allocator", private, "<map>", public ] },
{ symbol: [ "std::allocator", private, "<set>", public ] },
# A similar kludge for std::char_traits. basic_string,
# basic_ostream and basic_istream have this as a default template
# argument, and sometimes it bleeds through when clang desugars the
# string/ostream/istream type.
{ symbol: [ "std::char_traits", private, "<string>", public ] },
{ symbol: [ "std::char_traits", private, "<ostream>", public ] },
{ symbol: [ "std::char_traits", private, "<istream>", public ] }
]
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