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[REVIEW] [FEA] error macros: determining buffer size instead of fixed 2048 chars #420

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merged 4 commits into from
Jan 12, 2022
Merged

[REVIEW] [FEA] error macros: determining buffer size instead of fixed 2048 chars #420

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b05123e
error macros: determining buffer size instead of fixed 2048 chars
MatthiasKohl Dec 13, 2021
18629a6
cholesky decomp: initializing variables to make compiler happy
MatthiasKohl Dec 13, 2021
146ed1d
Merge branch 'branch-22.02' into fea-error-buffer-size
MatthiasKohl Jan 3, 2022
bc4f09c
added tests to check for long error strings
MatthiasKohl Jan 3, 2022
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56 changes: 37 additions & 19 deletions cpp/include/raft/error.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,9 @@
#pragma once

#include <execinfo.h>
#include <cstdio>
#include <iostream>
#include <memory>
#include <sstream>
#include <stdexcept>
#include <string>
Expand Down Expand Up @@ -91,16 +93,23 @@ struct logic_error : public raft::exception {

// FIXME: Need to be replaced with RAFT_FAIL
/** macro to throw a runtime error */
#define THROW(fmt, ...) \
do { \
std::string msg; \
char errMsg[2048]; /* NOLINT */ \
std::snprintf( \
errMsg, sizeof(errMsg), "exception occured! file=%s line=%d: ", __FILE__, __LINE__); \
msg += errMsg; \
std::snprintf(errMsg, sizeof(errMsg), fmt, ##__VA_ARGS__); \
msg += errMsg; \
throw raft::exception(msg); \
#define THROW(fmt, ...) \
do { \
int size1 = \
std::snprintf(nullptr, 0, "exception occured! file=%s line=%d: ", __FILE__, __LINE__); \
int size2 = std::snprintf(nullptr, 0, fmt, ##__VA_ARGS__); \
if (size1 < 0 || size2 < 0) \
throw raft::exception("Error in snprintf, cannot handle raft exception."); \
auto size = size1 + size2 + 1; /* +1 for final '\0' */ \
auto buf = std::make_unique<char[]>(size_t(size)); \
std::snprintf(buf.get(), \
size1 + 1 /* +1 for '\0' */, \
"exception occured! file=%s line=%d: ", \
__FILE__, \
__LINE__); \
std::snprintf(buf.get() + size1, size2 + 1 /* +1 for '\0' */, fmt, ##__VA_ARGS__); \
std::string msg(buf.get(), buf.get() + size - 1); /* -1 to remove final '\0' */ \
throw raft::exception(msg); \
} while (0)

// FIXME: Need to be replaced with RAFT_EXPECTS
Expand All @@ -110,15 +119,24 @@ struct logic_error : public raft::exception {
if (!(check)) THROW(fmt, ##__VA_ARGS__); \
} while (0)

#define SET_ERROR_MSG(msg, location_prefix, fmt, ...) \
do { \
char err_msg[2048]; /* NOLINT */ \
std::snprintf(err_msg, sizeof(err_msg), location_prefix); \
msg += err_msg; \
std::snprintf(err_msg, sizeof(err_msg), "file=%s line=%d: ", __FILE__, __LINE__); \
msg += err_msg; \
std::snprintf(err_msg, sizeof(err_msg), fmt, ##__VA_ARGS__); \
msg += err_msg; \
/**
* Macro to append error message to first argument.
* This should only be called in contexts where it is OK to throw exceptions!
*/
#define SET_ERROR_MSG(msg, location_prefix, fmt, ...) \
do { \
int size1 = std::snprintf(nullptr, 0, "%s", location_prefix); \
int size2 = std::snprintf(nullptr, 0, "file=%s line=%d: ", __FILE__, __LINE__); \
int size3 = std::snprintf(nullptr, 0, fmt, ##__VA_ARGS__); \
if (size1 < 0 || size2 < 0 || size3 < 0) \
throw raft::exception("Error in snprintf, cannot handle raft exception."); \
auto size = size1 + size2 + size3 + 1; /* +1 for final '\0' */ \
auto buf = std::make_unique<char[]>(size_t(size)); \
std::snprintf(buf.get(), size1 + 1 /* +1 for '\0' */, "%s", location_prefix); \
std::snprintf( \
buf.get() + size1, size2 + 1 /* +1 for '\0' */, "file=%s line=%d: ", __FILE__, __LINE__); \
std::snprintf(buf.get() + size1 + size2, size3 + 1 /* +1 for '\0' */, fmt, ##__VA_ARGS__); \
msg += std::string(buf.get(), buf.get() + size - 1); /* -1 to remove final '\0' */ \
} while (0)

/**
Expand Down
4 changes: 2 additions & 2 deletions cpp/include/raft/linalg/cholesky_r1_update.cuh
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Original file line number Diff line number Diff line change
Expand Up @@ -160,8 +160,8 @@ void choleskyRank1Update(const raft::handle_t& handle,
math_t* s = reinterpret_cast<math_t*>(((char*)workspace) + offset);
math_t* L_22 = L + (n - 1) * ld + n - 1;

math_t* A_new;
math_t* A_row;
math_t* A_new = nullptr;
math_t* A_row = nullptr;
if (uplo == CUBLAS_FILL_MODE_UPPER) {
// A_new is stored as the n-1 th column of L
A_new = L + (n - 1) * ld;
Expand Down