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Enforce the read call returns correct value

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fix compilation error on Ubuntu 12.0

In file included from /usr/include/fcntl.h:252:0,
                 from /home/ajg23/src/ceres-solver/examples/libmv_bundle_adjuster.cc:91:
/home/ajg23/src/ceres-solver/examples/libmv_bundle_adjuster.cc: In member function ‘T {anonymous}::EndianAwareFileReader::Read() const [with T = unsigned char]’:
/home/ajg23/src/ceres-solver/examples/libmv_bundle_adjuster.cc:300:5: error: ignoring return value of ‘ssize_t read(int, void*, size_t)’, declared with attribute warn_unused_result [-Werror=unused-result]

Change-Id: Ib23ca19778761bbfe0d77bcf32a2181ce6db1a12
This commit is contained in:
Arnaud Gelas
2013-06-20 17:12:36 +02:00
parent 8b26cc7d35
commit 044786669d
1 changed files with 1 additions and 1 deletions
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examples/libmv_bundle_adjuster.cc
+1 -1
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@@ -297,7 +297,7 @@ class EndianAwareFileReader {
template <typename T> template <typename T>
T Read(void) const { T Read(void) const {
T value; T value;
read(file_descriptor_, &value, sizeof(value)); CHECK_GT(read(file_descriptor_, &value, sizeof(value)), 0);
// Switch endian type if file contains data in different type // Switch endian type if file contains data in different type
// that current machine. // that current machine.
if (file_endian_type_ != host_endian_type_) { if (file_endian_type_ != host_endian_type_) {