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128 lines
1.5 KiB
Plaintext
128 lines
1.5 KiB
Plaintext
This subsystem ensures that we can always use a certain core set of
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functions and types, that are either provided by the OS or by replacement
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functions / definitions in this subsystem. The aim is to try to stick
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to POSIX functions in here as much as possible. Convenience functions
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that are available on no platform at all belong in other subsystems
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(such as LIBUTIL).
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The following functions are guaranteed:
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ftruncate
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strlcpy
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strlcat
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mktime
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rename
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initgroups
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memmove
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strdup
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setlinebuf
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vsyslog
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timegm
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setenv
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unsetenv
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strndup
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strnlen
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waitpid
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seteuid
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setegid
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asprintf
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snprintf
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vasprintf
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vsnprintf
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opendir
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readdir
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telldir
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seekdir
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clock_gettime
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closedir
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dlopen
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dlclose
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dlsym
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dlerror
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chroot
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bzero
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strerror
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errno
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mkdtemp
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mkstemp (a secure one!)
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pread
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pwrite
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chown
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lchown
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readline (the library)
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inet_ntoa
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inet_ntop
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inet_pton
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inet_aton
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strtoll
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strtoull
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socketpair
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strptime
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getaddrinfo
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freeaddrinfo
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getnameinfo
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gai_strerror
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getifaddrs
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freeifaddrs
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utime
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utimes
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dup2
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link
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readlink
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symlink
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realpath
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poll
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setproctitle
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Types:
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bool
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socklen_t
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uint{8,16,32,64}_t
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int{8,16,32,64}_t
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intptr_t
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sig_atomic_t
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blksize_t
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blkcnt_t
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Constants:
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PATH_NAME_MAX
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UINT{16,32,64}_MAX
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INT32_MAX
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RTLD_LAZY
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HOST_NAME_MAX
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UINT16_MAX
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UINT32_MAX
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UINT64_MAX
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CHAR_BIT
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Macros:
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va_copy
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__FUNCTION__
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__FILE__
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__LINE__
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__LINESTR__
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__location__
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__STRING
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__STRINGSTRING
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MIN
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MAX
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QSORT_CAST
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ZERO_STRUCT
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ZERO_STRUCTP
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ZERO_STRUCTPN
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ZERO_ARRAY
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ARRAY_SIZE
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PTR_DIFF
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Headers:
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stdint.h
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stdbool.h
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Optional C keywords:
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volatile
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Prerequisites:
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memset (for bzero)
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syslog (for vsyslog)
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mktemp (for mkstemp and mkdtemp)
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