mirror of
https://github.com/mozilla/gecko-dev.git
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2824b29025
This patch was mostly generated by running the following scripts on the codebase, with some
manual changes made afterwards:
# static_assert.sh
#!/bin/bash
# Command to convert an NSPR integer type to the equivalent standard integer type
function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name nsXPCOMCID.h \
! -name prtypes.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.cc" \
-o -iname "*.mm" \) | \
xargs -n 1 `dirname $0`/assert_replacer.py #sed -i -e "s/\b$1\b/$2/g"
}
convert MOZ_STATIC_ASSERT static_assert
hg rev --no-backup mfbt/Assertions.h \
media/webrtc/signaling/src/sipcc/core/includes/ccapi.h \
modules/libmar/src/mar_private.h \
modules/libmar/src/mar.h
# assert_replacer.py
#!/usr/bin/python
import sys
import re
pattern = re.compile(r"\bMOZ_STATIC_ASSERT\b")
def replaceInPlace(fname):
print fname
f = open(fname, "rw+")
lines = f.readlines()
for i in range(0, len(lines)):
while True:
index = re.search(pattern, lines[i])
if index != None:
index = index.start()
lines[i] = lines[i][0:index] + "static_assert" + lines[i][index+len("MOZ_STATIC_ASSERT"):]
for j in range(i + 1, len(lines)):
if lines[j].find(" ", index) == index:
lines[j] = lines[j][0:index] + lines[j][index+4:]
else:
break
else:
break
f.seek(0, 0)
f.truncate()
f.write("".join(lines))
f.close()
argc = len(sys.argv)
for i in range(1, argc):
replaceInPlace(sys.argv[i])
--HG--
extra : rebase_source : 4b4a4047d82f2c205b9fad8d56dfc3f1afc0b045
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: sw=4 ts=4 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if defined(XP_WIN) || defined(XP_OS2)
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# define MOZALLOC_EXPORT __declspec(dllexport)
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#endif
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#include "mozilla/mozalloc_abort.h"
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#include "mozilla/mozalloc_oom.h"
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#include "mozilla/Assertions.h"
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static mozalloc_oom_abort_handler gAbortHandler;
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#define OOM_MSG_LEADER "out of memory: 0x"
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#define OOM_MSG_DIGITS "0000000000000000" // large enough for 2^64
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#define OOM_MSG_TRAILER " bytes requested"
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#define OOM_MSG_FIRST_DIGIT_OFFSET sizeof(OOM_MSG_LEADER) - 1
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#define OOM_MSG_LAST_DIGIT_OFFSET sizeof(OOM_MSG_LEADER) + \
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sizeof(OOM_MSG_DIGITS) - 3
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static const char *hex = "0123456789ABCDEF";
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void
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mozalloc_handle_oom(size_t size)
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{
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char oomMsg[] = OOM_MSG_LEADER OOM_MSG_DIGITS OOM_MSG_TRAILER;
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size_t i;
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// NB: this is handle_oom() stage 1, which simply aborts on OOM.
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// we might proceed to a stage 2 in which an attempt is made to
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// reclaim memory
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if (gAbortHandler)
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gAbortHandler(size);
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static_assert(OOM_MSG_FIRST_DIGIT_OFFSET > 0,
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"Loop below will never terminate (i can't go below 0)");
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// Insert size into the diagnostic message using only primitive operations
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for (i = OOM_MSG_LAST_DIGIT_OFFSET;
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size && i >= OOM_MSG_FIRST_DIGIT_OFFSET; i--) {
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oomMsg[i] = hex[size % 16];
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size /= 16;
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}
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mozalloc_abort(oomMsg);
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}
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void
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mozalloc_set_oom_abort_handler(mozalloc_oom_abort_handler handler)
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{
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gAbortHandler = handler;
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}
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