Add NetBSD support

libc/sysv/newconsts.py

@@ -0,0 +1,74 @@
+import sys
+
+H = '/home/jart/vendor/netbsd/sys/sys/ioctl.h'
+G = 'errno'
+
+MAGNUMS = {}
+
+def ParseInt(x):
+  s = 1
+  if x.startswith('-'):
+    x = x[1:]
+    s = -1
+  if x.startswith('0x'):
+    x = int(x[2:], 16)
+  elif x.startswith('0b'):
+    x = int(x[2:], 2)
+  elif x.startswith('0'):
+    x = int(x, 8)
+  else:
+    x = int(x, 10)
+  return x * s
+
+def FormatInt(x):
+  if x == -1:
+    return "-1"
+  if -128 <= x < 128:
+    return "%d" % (x)
+  else:
+    return "%#x" % (x)
+
+for line in open(H):
+  if line.startswith('#define'):
+    a = line.split()
+    if len(a) >= 3:
+      try:
+        MAGNUMS[a[1]] = ParseInt(a[2])
+      except ValueError:
+        pass
+
+GROUP_COLUMN = 2
+NAME_COLUMN = 4
+SYSTEMD_COLUMN = 6
+XNU_COLUMN = 8
+FREEBSD_COLUMN = 10
+OPENBSD_COLUMN = 12
+NETBSD_COLUMN = 14
+
+print """\
+#	The Fifth Bell System, Community Edition
+#	> catalogue of carnage
+#
+#	group	name					GNU/Systemd		XNU's Not UNIX		FreeBSD			OpenBSD			NetBSD			XENIX			Commentary"""
+
+for line in open('libc/sysv/consts.sh'):
+  if not line.startswith('syscon'): continue
+  fields = [""]
+  i = 0
+  t = 0
+  for i in range(len(line)):
+    if t == 0:
+      if line[i] == '\t':
+        fields.append("")
+        t = 1
+    elif t == 1:
+      if line[i] != '\t':
+        fields.append("")
+        t = 0
+    fields[-1] = fields[-1] + line[i]
+  k = fields[NAME_COLUMN]
+  v = ParseInt(fields[NETBSD_COLUMN])
+  if k in MAGNUMS and MAGNUMS[k] != v:
+    fields[NETBSD_COLUMN] = FormatInt(MAGNUMS[k])
+  # if fields[GROUP_COLUMN] == G:
+    sys.stdout.write("".join(fields))