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author | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-07-18 20:35:05 +0100 |
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committer | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-07-18 20:35:05 +0100 |
commit | aceb1f30497619786f1827e4c65992b890a07410 (patch) | |
tree | ce33ac9d0d076a8ec4f993e614cf71a4d5daa7e7 /src/binheader_writef_check.py | |
download | libsndfile-aceb1f30497619786f1827e4c65992b890a07410.tar.gz |
Tarball conversion
Diffstat (limited to 'src/binheader_writef_check.py')
-rwxr-xr-x | src/binheader_writef_check.py | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/binheader_writef_check.py b/src/binheader_writef_check.py new file mode 100755 index 0000000..adfc5f9 --- /dev/null +++ b/src/binheader_writef_check.py @@ -0,0 +1,116 @@ +#!/usr/bin/python + +# Copyright (C) 2006-2011 Erik de Castro Lopo <erikd@mega-nerd.com> +# +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the author nor the names of any contributors may be used +# to endorse or promote products derived from this software without +# specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +# This parses C code using regexes (yes, thats horrible) and makes sure +# that calling conventions to the function psf_binheader_writef are +# correct. + + + +import re, string, sys + +_whitespace_re = re.compile ("\s+", re.MULTILINE) + +def find_binheader_writefs (data): + lst = re.findall ('psf_binheader_writef\s*\(\s*[a-zA-Z_]+\s*,\s*\"[^;]+;', data, re.MULTILINE) + return [_whitespace_re.sub (" ", x) for x in lst] + +def find_format_string (s): + fmt = re.search ('"([^"]+)"', s) + if not fmt: + print "Bad format in :\n\n\t%s\n\n" % s + sys.exit (1) + fmt = fmt.groups () + if len (fmt) != 1: + print "Bad format in :\n\n\t%s\n\n" % s + sys.exit (1) + return _whitespace_re.sub ("", fmt [0]) + +def get_param_list (data): + dlist = re.search ("\((.+)\)\s*;", data) + dlist = dlist.groups ()[0] + dlist = string.split (dlist, ",") + dlist = [string.strip (x) for x in dlist] + return dlist [2:] + +def handle_file (fname): + errors = 0 + data = open (fname, "r").read () + + writefs = find_binheader_writefs (data) + for item in writefs: + fmt = find_format_string (item) + params = get_param_list (item) + param_index = 0 + + # print item + + for ch in fmt: + if ch in 'Eet ': + continue + + # print " param [%d] %c : %s" % (param_index, ch, params [param_index]) + + if ch != 'b': + param_index += 1 + continue + + # print item + # print " param [%d] %c : %s <-> %s" % (param_index, ch, params [param_index], params [param_index + 1]) + + if string.find (params [param_index + 1], "sizeof") < 0 \ + and string.find (params [param_index + 1], "make_size_t") < 0 \ + and string.find (params [param_index + 1], "strlen") < 0: + if errors == 0: print + print "\n%s :" % fname + print " param [%d] %c : %s <-> %s" % (param_index, ch, params [param_index], params [param_index + 1]) + print " %s" % item + errors += 1 + param_index += 2 + + return errors + +#=============================================================================== + +if len (sys.argv) > 1: + print "\n binheader_writef_check :", + sys.stdout.flush () + errors = 0 + for fname in sys.argv [1:]: + errors += handle_file (fname) + if errors > 0: + print "\nErrors : %d\n" % errors + sys.exit (1) + +print "ok\n" + |