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Handle flawlessly up to MAX(int) in read/write

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Ben RUBSON 2017-10-04 11:04:34 +02:00 committed by GitHub
parent 228ebf354e
commit 00472dfdd0
1 changed files with 2 additions and 4 deletions
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6
encfs/encfs.cpp
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@ -715,8 +715,7 @@ int encfs_read(const char *path, char *buf, size_t size, off_t offset,
// Unfortunately we have to convert from ssize_t (pread) to int (fuse), so // Unfortunately we have to convert from ssize_t (pread) to int (fuse), so
// let's check this will be OK // let's check this will be OK
if (size > std::numeric_limits<int>::max()) { if (size > std::numeric_limits<int>::max()) {
RLOG(ERROR) << "tried to read too much data: " << size; size = std::numeric_limits<int>::max();
return -EIO;
} }
return withFileNode("read", path, file, return withFileNode("read", path, file,
bind(_do_read, _1, (unsigned char *)buf, size, offset)); bind(_do_read, _1, (unsigned char *)buf, size, offset));
@ -744,8 +743,7 @@ int encfs_write(const char *path, const char *buf, size_t size, off_t offset,
// Unfortunately we have to convert from ssize_t (pwrite) to int (fuse), so // Unfortunately we have to convert from ssize_t (pwrite) to int (fuse), so
// let's check this will be OK // let's check this will be OK
if (size > std::numeric_limits<int>::max()) { if (size > std::numeric_limits<int>::max()) {
RLOG(ERROR) << "tried to write too much data: " << size; size = std::numeric_limits<int>::max();
return -EIO;
} }
EncFS_Context *ctx = context(); EncFS_Context *ctx = context();
if (isReadOnly(ctx)) { if (isReadOnly(ctx)) {