jyapayne/Nim
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merge master into devel

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This commit is contained in:
Araq 2014-01-19 01:31:45 +01:00
commit cde9e5d644
2 changed files with 14 additions and 2 deletions
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2
koch.nim
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@ -112,7 +112,7 @@ proc findStartNimrod: string =
result = "bin" / nimrod
if existsFile(result): return
for dir in split(getEnv("PATH"), PathSep):
if existsFile(dir / nimrod): return nimrod
if existsFile(dir / nimrod): return dir / nimrod
when defined(Posix):
const buildScript = "build.sh"
if existsFile(buildScript):

14
lib/pure/endians.nim
View file

@ -34,14 +34,26 @@ proc swapEndian32*(outp, inp: pointer) =
o[2] = i[1]
o[3] = i[0]
proc swapEndian16*(outp, inp: pointer) =
## copies `inp` to `outp` swapping bytes. Both buffers are supposed to
## contain at least 2 bytes.
var
i = cast[cstring](inp)
o = cast[cstring](outp)
o[0] = i[1]
o[1] = i[0]
when system.cpuEndian == bigEndian:
proc littleEndian64*(outp, inp: pointer) {.inline.} = swapEndian64(outp, inp)
proc littleEndian32*(outp, inp: pointer) {.inline.} = swapEndian32(outp, inp)
proc littleEndian16*(outp, inp: pointer) {.inline.} = swapEndian16(outp, inp)
proc bigEndian64*(outp, inp: pointer) {.inline.} = copyMem(outp, inp, 8)
proc bigEndian32*(outp, inp: pointer) {.inline.} = copyMem(outp, inp, 4)
proc bigEndian16*(outp, inp: pointer) {.inline.} = copyMem(outp, inp, 2)
else:
proc littleEndian64*(outp, inp: pointer) {.inline.} = copyMem(outp, inp, 8)
proc littleEndian32*(outp, inp: pointer) {.inline.} = copyMem(outp, inp, 4)
proc littleEndian16*(outp, inp: pointer){.inline.} = copyMem(outp, inp, 2)
proc bigEndian64*(outp, inp: pointer) {.inline.} = swapEndian64(outp, inp)
proc bigEndian32*(outp, inp: pointer) {.inline.} = swapEndian32(outp, inp)
proc bigEndian16*(outp, inp: pointer) {.inline.} = swapEndian16(outp, inp)