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Code Issues Releases Wiki Activity

More thorough use of O_BINARY.

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This commit is contained in:
Markus F.X.J. Oberhumer 2016-10-07 15:04:12 +02:00
parent 42206364e5
commit ed900b0476
6 changed files with 14 additions and 9 deletions
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5
src/conf.h
View File

@ -236,6 +236,11 @@ typedef unsigned char upx_byte;
#undef PAGE_MASK
#undef PAGE_SIZE
#if !defined(O_BINARY) || (O_BINARY+0 == 0)
# if (ACC_OS_CYGWIN || ACC_OS_DOS16 || ACC_OS_DOS32 || ACC_OS_EMX || ACC_OS_OS2 || ACC_OS_OS216 || ACC_OS_WIN16 || ACC_OS_WIN32 || ACC_OS_WIN64)
# error "missing O_BINARY"
# endif
#endif
#if !defined(O_BINARY)
# define O_BINARY 0
#endif

6
src/file.cpp
View File

@ -429,7 +429,7 @@ off_t OutputFile::seek(upx_int64_t off64, int whence)
//{
// fsync(_fd);
// InputFile infile;
// infile.open(this->getName(), O_RDONLY);
// infile.open(this->getName(), O_RDONLY | O_BINARY);
// infile.seek(this->tell(), SEEK_SET);
// return infile.read(buf, len);
//}
@ -459,8 +459,8 @@ off_t OutputFile::unset_extent()
void OutputFile::dump(const char *name, const void *buf, int len, int flags)
{
if (flags < 0)
flags = O_CREAT | O_BINARY | O_TRUNC;
flags |= O_WRONLY;
flags = O_CREAT | O_TRUNC;
flags |= O_WRONLY | O_BINARY;
OutputFile f;
f.open(name, flags, 0600);
f.write(buf, len);

4
src/p_djgpp2.cpp
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@ -170,9 +170,9 @@ static void handle_allegropak(InputFile *fi, OutputFile *fo)
if (memcmp(buf, "slh+", 4) != 0)
return;
pfsize = get_be32_signed(buf+4);
if (pfsize <= 8 || (off_t) pfsize >= (off_t) fi->st.st_size)
if (pfsize <= 8 || pfsize >= (off_t) fi->st.st_size)
return;
fi->seek(-pfsize, SEEK_END);
fi->seek(-(off_t)pfsize, SEEK_END);
} catch (const IOException&) {
return;
}

2
src/p_unix.cpp
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@ -512,7 +512,7 @@ int PackUnix::canUnpack()
bufsize = fi->st_size();
MemBuffer buf(bufsize);
fi->seek(-bufsize, SEEK_END);
fi->seek(-(off_t)bufsize, SEEK_END);
fi->readx(buf, bufsize);
int i = bufsize;
while (i > small && 0 == buf[--i]) { }

4
src/packer.cpp
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@ -626,9 +626,9 @@ unsigned Packer::getRandomId() const
unsigned id = 0;
#if 0 && defined(__unix__)
// Don't consume precious bytes from /dev/urandom.
int fd = open("/dev/urandom", O_RDONLY);
int fd = open("/dev/urandom", O_RDONLY | O_BINARY);
if (fd < 0)
fd = open("/dev/random", O_RDONLY);
fd = open("/dev/random", O_RDONLY | O_BINARY);
if (fd >= 0)
{
if (read(fd, &id, 4) != 4)

2
src/util.cpp
View File

@ -392,7 +392,7 @@ bool file_exists(const char *name)
struct stat st;
/* return true if we can open it */
fd = open(name, O_RDONLY, 0);
fd = open(name, O_RDONLY | O_BINARY, 0);
if (fd >= 0)
{
(void) close(fd);