diff options
| -rw-r--r-- | googletest/include/gtest/internal/gtest-port.h | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/googletest/include/gtest/internal/gtest-port.h b/googletest/include/gtest/internal/gtest-port.h index 60ff4716..c7c79ae5 100644 --- a/googletest/include/gtest/internal/gtest-port.h +++ b/googletest/include/gtest/internal/gtest-port.h @@ -252,6 +252,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <cerrno> #include <cstdint> #include <limits> #include <type_traits> @@ -1960,16 +1961,16 @@ namespace posix { typedef struct _stat StatStruct; # ifdef __BORLANDC__ -inline int IsATTY(int fd) { return isatty(fd); } +inline int DoIsATTY(int fd) { return isatty(fd); } inline int StrCaseCmp(const char* s1, const char* s2) { return stricmp(s1, s2); } inline char* StrDup(const char* src) { return strdup(src); } # else // !__BORLANDC__ # if GTEST_OS_WINDOWS_MOBILE -inline int IsATTY(int /* fd */) { return 0; } +inline int DoIsATTY(int /* fd */) { return 0; } # else -inline int IsATTY(int fd) { return _isatty(fd); } +inline int DoIsATTY(int fd) { return _isatty(fd); } # endif // GTEST_OS_WINDOWS_MOBILE inline int StrCaseCmp(const char* s1, const char* s2) { return _stricmp(s1, s2); @@ -1994,7 +1995,7 @@ inline bool IsDir(const StatStruct& st) { typedef struct stat StatStruct; inline int FileNo(FILE* file) { return fileno(file); } -inline int IsATTY(int fd) { return isatty(fd); } +inline int DoIsATTY(int fd) { return isatty(fd); } inline int Stat(const char* path, StatStruct* buf) { // stat function not implemented on ESP8266 return 0; @@ -2011,7 +2012,7 @@ inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); } typedef struct stat StatStruct; inline int FileNo(FILE* file) { return fileno(file); } -inline int IsATTY(int fd) { return isatty(fd); } +inline int DoIsATTY(int fd) { return isatty(fd); } inline int Stat(const char* path, StatStruct* buf) { return stat(path, buf); } inline int StrCaseCmp(const char* s1, const char* s2) { return strcasecmp(s1, s2); @@ -2022,6 +2023,18 @@ inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); } #endif // GTEST_OS_WINDOWS +inline int IsATTY(int fd) +{ + // DoIsATTY might change errno (for example ENOTTY in case you redirect stdout + // to a file on Linux), which is unexpected, so save the previous value, and + // restore it after the call. + int savedErrno = errno; + int isAttyValue = DoIsATTY(fd); + errno = savedErrno; + + return isAttyValue; +} + // Functions deprecated by MSVC 8.0. GTEST_DISABLE_MSC_DEPRECATED_PUSH_() |