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#
#
# Nim's Runtime Library
# (c) Copyright 2013 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
# This module contains headers of Ansi C procs
# and definitions of Ansi C types in Nim syntax
# All symbols are prefixed with 'c_' to avoid ambiguities
{.push hints:off, stack_trace: off, profiler: off.}
when not defined(nimHasHotCodeReloading):
{.pragma: nonReloadable.}
proc c_memchr*(s: pointer, c: cint, n: csize_t): pointer {.
importc: "memchr", header: "<string.h>".}
proc c_memcmp*(a, b: pointer, size: csize_t): cint {.
importc: "memcmp", header: "<string.h>", noSideEffect.}
proc c_memcpy*(a, b: pointer, size: csize_t): pointer {.
importc: "memcpy", header: "<string.h>", discardable.}
proc c_memmove*(a, b: pointer, size: csize_t): pointer {.
importc: "memmove", header: "<string.h>",discardable.}
proc c_memset*(p: pointer, value: cint, size: csize_t): pointer {.
importc: "memset", header: "<string.h>", discardable.}
proc c_strcmp*(a, b: cstring): cint {.
importc: "strcmp", header: "<string.h>", noSideEffect.}
proc c_strlen*(a: cstring): csize_t {.
importc: "strlen", header: "<string.h>", noSideEffect.}
proc c_abort*() {.
importc: "abort", header: "<stdlib.h>", noSideEffect, noreturn.}
when defined(linux) and defined(amd64):
type
C_JmpBuf* {.importc: "jmp_buf", header: "<setjmp.h>", bycopy.} = object
abi: array[200 div sizeof(clong), clong]
else:
type
C_JmpBuf* {.importc: "jmp_buf", header: "<setjmp.h>".} = object
when defined(windows):
const
SIGABRT* = cint(22)
SIGFPE* = cint(8)
SIGILL* = cint(4)
SIGINT* = cint(2)
SIGSEGV* = cint(11)
SIGTERM = cint(15)
elif defined(macosx) or defined(linux) or defined(freebsd) or
defined(openbsd) or defined(netbsd) or defined(solaris) or
defined(dragonfly) or defined(nintendoswitch) or defined(genode) or
defined(aix) or hostOS == "standalone":
const
SIGABRT* = cint(6)
SIGFPE* = cint(8)
SIGILL* = cint(4)
SIGINT* = cint(2)
SIGSEGV* = cint(11)
SIGTERM* = cint(15)
SIGPIPE* = cint(13)
elif defined(haiku):
const
SIGABRT* = cint(6)
SIGFPE* = cint(8)
SIGILL* = cint(4)
SIGINT* = cint(2)
SIGSEGV* = cint(11)
SIGTERM* = cint(15)
SIGPIPE* = cint(7)
else:
when NoFakeVars:
{.error: "SIGABRT not ported to your platform".}
else:
var
SIGINT* {.importc: "SIGINT", nodecl.}: cint
SIGSEGV* {.importc: "SIGSEGV", nodecl.}: cint
SIGABRT* {.importc: "SIGABRT", nodecl.}: cint
SIGFPE* {.importc: "SIGFPE", nodecl.}: cint
SIGILL* {.importc: "SIGILL", nodecl.}: cint
when defined(macosx) or defined(linux):
var SIGPIPE* {.importc: "SIGPIPE", nodecl.}: cint
when defined(macosx):
const SIGBUS* = cint(10)
elif defined(haiku):
const SIGBUS* = cint(30)
when defined(nimSigSetjmp) and not defined(nimStdSetjmp):
proc c_longjmp*(jmpb: C_JmpBuf, retval: cint) {.
header: "<setjmp.h>", importc: "siglongjmp".}
template c_setjmp*(jmpb: C_JmpBuf): cint =
proc c_sigsetjmp(jmpb: C_JmpBuf, savemask: cint): cint {.
header: "<setjmp.h>", importc: "sigsetjmp".}
c_sigsetjmp(jmpb, 0)
elif defined(nimRawSetjmp) and not defined(nimStdSetjmp):
proc c_longjmp*(jmpb: C_JmpBuf, retval: cint) {.
header: "<setjmp.h>", importc: "_longjmp".}
proc c_setjmp*(jmpb: C_JmpBuf): cint {.
header: "<setjmp.h>", importc: "_setjmp".}
else:
proc c_longjmp*(jmpb: C_JmpBuf, retval: cint) {.
header: "<setjmp.h>", importc: "longjmp".}
proc c_setjmp*(jmpb: C_JmpBuf): cint {.
header: "<setjmp.h>", importc: "setjmp".}
type CSighandlerT = proc (a: cint) {.noconv.}
proc c_signal*(sign: cint, handler: proc (a: cint) {.noconv.}): CSighandlerT {.
importc: "signal", header: "<signal.h>", discardable.}
type
CFile {.importc: "FILE", header: "<stdio.h>",
incompleteStruct.} = object
CFilePtr* = ptr CFile ## The type representing a file handle.
# duplicated between io and ansi_c
const stdioUsesMacros = defined(osx) and not defined(emscripten)
const stderrName = when stdioUsesMacros: "__stderrp" else: "stderr"
const stdoutName = when stdioUsesMacros: "__stdoutp" else: "stdout"
const stdinName = when stdioUsesMacros: "__stdinp" else: "stdin"
var
cstderr* {.importc: stderrName, header: "<stdio.h>".}: CFilePtr
cstdout* {.importc: stdoutName, header: "<stdio.h>".}: CFilePtr
cstdin* {.importc: stdinName, header: "<stdio.h>".}: CFilePtr
proc c_fprintf*(f: CFilePtr, frmt: cstring): cint {.
importc: "fprintf", header: "<stdio.h>", varargs, discardable.}
proc c_printf*(frmt: cstring): cint {.
importc: "printf", header: "<stdio.h>", varargs, discardable.}
proc c_fputs*(c: cstring, f: CFilePtr): cint {.
importc: "fputs", header: "<stdio.h>", discardable.}
proc c_sprintf*(buf, frmt: cstring): cint {.
importc: "sprintf", header: "<stdio.h>", varargs, noSideEffect.}
# we use it only in a way that cannot lead to security issues
proc c_malloc*(size: csize_t): pointer {.
importc: "malloc", header: "<stdlib.h>".}
proc c_calloc*(nmemb, size: csize_t): pointer {.
importc: "calloc", header: "<stdlib.h>".}
proc c_free*(p: pointer) {.
importc: "free", header: "<stdlib.h>".}
proc c_realloc*(p: pointer, newsize: csize_t): pointer {.
importc: "realloc", header: "<stdlib.h>".}
proc c_fwrite*(buf: pointer, size, n: csize_t, f: CFilePtr): cint {.
importc: "fwrite", header: "<stdio.h>".}
proc c_fflush(f: CFilePtr): cint {.
importc: "fflush", header: "<stdio.h>".}
proc rawWrite*(f: CFilePtr, s: cstring) {.compilerproc, nonReloadable, inline.} =
# we cannot throw an exception here!
discard c_fwrite(s, 1, cast[csize_t](s.len), f)
discard c_fflush(f)
{.pop.}
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