diff options
Diffstat (limited to 'lib/system/sysio.nim')
| -rw-r--r-- | lib/system/sysio.nim | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/lib/system/sysio.nim b/lib/system/sysio.nim index e81219a70..d0bba6775 100644 --- a/lib/system/sysio.nim +++ b/lib/system/sysio.nim @@ -82,12 +82,11 @@ when NoFakeVars: const IOFBF = cint(0) IONBF = cint(4) - elif defined(macosx) or defined(linux): + else: + # On all systems I could find, including Linux, Mac OS X, and the BSDs const IOFBF = cint(0) IONBF = cint(2) - else: - {.error: "IOFBF not ported to your platform".} else: var IOFBF {.importc: "_IOFBF", nodecl.}: cint @@ -271,12 +270,33 @@ const # we always use binary here as for Nim the OS line ending # should not be translated. +when defined(posix) and not defined(nimscript): + type + Mode {.importc: "mode_t", header: "<sys/types.h>".} = cint + + Stat {.importc: "struct stat", + header: "<sys/stat.h>", final, pure.} = object ## struct stat + st_mode: Mode ## Mode of file + + proc S_ISDIR(m: Mode): bool {.importc, header: "<sys/stat.h>".} + ## Test for a directory. + + proc fstat(a1: cint, a2: var Stat): cint {.importc, header: "<sys/stat.h>".} proc open(f: var File, filename: string, mode: FileMode = fmRead, bufSize: int = -1): bool = var p: pointer = fopen(filename, FormatOpen[mode]) if p != nil: + when defined(posix) and not defined(nimscript): + # How `fopen` handles opening a directory is not specified in ISO C and + # POSIX. We do not want to handle directories as regular files that can + # be opened. + var f2 = cast[File](p) + var res: Stat + if fstat(getFileHandle(f2), res) >= 0'i32 and S_ISDIR(res.st_mode): + close(f2) + return false result = true f = cast[File](p) if bufSize > 0 and bufSize <= high(cint).int: |