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android + common: fix warnings

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This commit is contained in:
SachinVin 2023-06-09 22:50:05 +05:30
parent 8eb89c260d
commit 946a32d793
3 changed files with 29 additions and 44 deletions
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6
src/common/file_util.cpp
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@ -102,12 +102,11 @@ static void StripTailDirSlashes(std::string& fname) {
}
bool Exists(const std::string& filename) {
struct stat file_info;
std::string copy(filename);
StripTailDirSlashes(copy);
#ifdef _WIN32
struct stat file_info;
// Windows needs a slash to identify a driver root
if (copy.size() != 0 && copy.back() == ':')
copy += DIR_SEP_CHR;
@ -116,6 +115,7 @@ bool Exists(const std::string& filename) {
#elif ANDROID
int result = AndroidStorage::FileExists(filename) ? 0 : -1;
#else
struct stat file_info;
int result = stat(copy.c_str(), &file_info);
#endif
@ -699,7 +699,7 @@ static const std::string& GetHomeDirectory() {
* @return The directory path
* @sa http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
*/
static const std::string GetUserDirectory(const std::string& envvar) {
[[maybe_unused]] static const std::string GetUserDirectory(const std::string& envvar) {
const char* directory = getenv(envvar.c_str());
std::string user_dir;

38
src/common/misc.cpp
View file

@ -16,19 +16,33 @@
// Call directly after the command or use the error num.
// This function might change the error code.
std::string GetLastErrorMsg() {
constexpr std::size_t buff_size = 255;
char err_str[buff_size];
std::size_t msg_len;
#ifdef _WIN32
msg_len =
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), err_str, buff_size, nullptr);
LPSTR err_str;
DWORD res = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
reinterpret_cast<LPSTR>(&err_str), 1, nullptr);
if (!res) {
return "(FormatMessageA failed to format error)";
}
std::string ret(err_str);
LocalFree(err_str);
return ret;
#else
char err_str[255];
#if (defined(__GLIBC__) || __ANDROID_API__ >= 23) && \
(_GNU_SOURCE || (_POSIX_C_SOURCE < 200112L && _XOPEN_SOURCE < 600))
// Thread safe (GNU-specific)
const char* str = strerror_r(errno, err_str, sizeof(err_str));
return std::string(str);
#else
// Thread safe (XSI-compliant)
strerror_r(errno, err_str, buff_size);
msg_len = strnlen(err_str, buff_size);
#endif
return std::string(err_str, msg_len);
int second_err = strerror_r(errno, err_str, sizeof(err_str));
if (second_err != 0) {
return "(strerror_r failed to format error)";
}
return std::string(err_str);
#endif // GLIBC etc.
#endif // _WIN32
}