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-rw-r--r--lib/system/repr.nim11
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/system/repr.nim b/lib/system/repr.nim
index 58c86b0db..19fa564fb 100644
--- a/lib/system/repr.nim
+++ b/lib/system/repr.nim
@@ -16,9 +16,14 @@ proc reprInt(x: int64): string {.compilerproc.} = return $x
 proc reprFloat(x: float): string {.compilerproc.} = return $x
 
 proc reprPointer(x: pointer): string {.compilerproc.} =
-  var buf: array[60, char]
-  discard c_sprintf(buf.cstring, "%p", x)
-  result = $buf.cstring
+  when defined(nimNoArrayToCstringConversion):
+    result = newString(60)
+    let n = c_sprintf(addr result[0], "%p", x)
+    setLen(result, n)
+  else:
+    var buf: array[0..59, char]
+    discard c_sprintf(buf, "%p", x)
+    return $buf
 
 proc `$`(x: uint64): string =
   if x == 0:
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-02-04 17:46:00 +0000
discard """
  output: ""
"""

import strscans

block ParsePasswd:
  proc parsePasswd(content: string): seq[string] =
    result = @[]
    var idx = 0
    while true:
      var entry = ""
      if scanp(content, idx, +(~{'\L', '\0'} -> entry.add($_)), '\L'):
        result.add entry
      else:
        break

  const etc_passwd = """root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh
nobody:x:65534:65534:nobody:/nonexistent:/bin/sh
messagebus:x:103:107::/var/run/dbus:/bin/false
"""

  const parsed_etc_passwd = @[
    "root:x:0:0:root:/root:/bin/bash",
    "daemon:x:1:1:daemon:/usr/sbin:/bin/sh",
    "bin:x:2:2:bin:/bin:/bin/sh",
    "sys:x:3:3:sys:/dev:/bin/sh",
    "nobody:x:65534:65534:nobody:/nonexistent:/bin/sh",
    "messagebus:x:103:107::/var/run/dbus:/bin/false",
    ]
  doAssert etc_passwd.parsePasswd == parsed_etc_passwd

block LastNot:
  var idx : int

  idx = 0
  doAssert scanp("foo", idx,  'f', 'o', ~'a')

  idx = 0
  doAssert scanp("foo", idx,  'f', 'o', ~'o') == false

  idx = 0
  doAssert scanp("foox", idx,  'f', 'o', ~'o') == false

  idx = 0
  doAssert scanp("foox", idx,  'f', 'o', ~'a')

block LastOptional:
  var idx = 0
  doAssert scanp("foo", idx, 'f', 'o', 'o', ?'o')

block Tuple:
  var idx = 0
  doAssert scanp("foo", idx,  ('f', 'o', 'o'))

block NotWithOptional:
  var idx : int

  idx = 0
  doAssert scanp("bc", idx, ~(?'b', 'c')) == false

  idx = 0
  doAssert scanp("c", idx, ~(?'b', 'c')) == false

  idx = 0
  doAssert scanp("b", idx, ~(?'b', 'c'))

block NotEmpty:
  var idx = 0
  doAssert scanp("", idx, ~()) == false

block EmptyTuple:
  var idx = 0
  doAssert scanp("ab", idx, 'a', (), 'b')

block Arrow:
  let text = "foo;bar;baz;"
  var idx = 0
  var res = ""
  doAssert scanp(text, idx, +(~{';','\0'} -> (discard $_)), ';')
  doAssert scanp(text, idx, +(~{';','\0'} -> (discard $_)), ';')
  doAssert scanp(text, idx, +(~{';','\0'} -> (discard $_)), ';')
  doAssert scanp(text, idx, +(~{';','\0'} -> (discard $_)), ';') == false