mirror of https://github.com/nocturn9x/nimd.git
41 lines
1.9 KiB
Nim
41 lines
1.9 KiB
Nim
# Copyright 2021 Mattia Giambirtone & All Contributors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import strutils
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import sequtils
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proc parseFileSystemTable*(fstab: string): seq[tuple[source: cstring, target: cstring, filesystemtype: cstring, mountflags: culong, data: cstring]] =
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## Parses the contents of the given file (the contents of /etc/fstab)
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## and returns a sequence of tuples with elements source, target,
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## filesystemtype, mountflags and data as required by mount in sys/mount.h
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## which is wrapped below. An improperly formatted fstab will cause this
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## function to error out with an IndexDefect exception (when an fstab entry is
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## incomplete) that should be caught by the caller. No other checks other than
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## very basic syntax are performed, as that job is delegated to the operating
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## system.
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var temp: seq[string] = @[]
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var line: string
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for l in fstab.splitlines():
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if l.strip().startswith("#"):
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continue
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if l.strip().len() == 0:
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continue
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line = l.filterIt(it != ' ').join("")
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temp = line.split(maxsplit=6)
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result.add((source: cstring(temp[0]), target: cstring(temp[1]), filesystemtype: cstring(temp[2]), mountflags: culong(0), data: cstring(temp[3])))
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proc mount*(source: cstring, target: cstring, filesystemtype: cstring,
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mountflags: culong, data: pointer): cint {.header: "sys/mount.h", importc.}
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