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fix errno in os.nim

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This commit is contained in:
Jacek Sieka
2016-06-08 23:28:16 +08:00
parent ea53cc7fcd
commit 43996c24a0
1 changed files with 5 additions and 2 deletions
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7
lib/pure/os.nim
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@@ -51,6 +51,8 @@ proc c_getenv(env: cstring): cstring {.
proc c_putenv(env: cstring): cint {.
importc: "putenv", header: "<stdlib.h>".}
var errno {.importc, header: "<errno.h>".}: cint
proc osErrorMsg*(): string {.rtl, extern: "nos$1", deprecated.} =
## Retrieves the operating system's error flag, ``errno``.
## On Windows ``GetLastError`` is checked before ``errno``.
@@ -74,8 +76,9 @@ proc osErrorMsg*(): string {.rtl, extern: "nos$1", deprecated.} =
nil, err, 0, addr(msgbuf), 0, nil) != 0'i32:
result = $msgbuf
if msgbuf != nil: localFree(msgbuf)
if errno != 0'i32:
result = $os.c_strerror(errno)
else:
if errno != 0'i32:
result = $os.c_strerror(errno)
{.push warning[deprecated]: off.}
proc raiseOSError*(msg: string = "") {.noinline, rtl, extern: "nos$1",