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Internals: Add const. No functional change.

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This commit is contained in:
Wilson Snyder
2021-06-20 18:33:13 -04:00
parent ec4eb18846
commit 512fe0a2d1
87 changed files with 690 additions and 669 deletions
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src/V3Os.cpp
+10 -10
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@@ -103,7 +103,7 @@ void V3Os::setenvStr(const string& envvar, const string& value, const string& wh
#else
// setenv() replaced by putenv() in Solaris environment. Prototype is different
// putenv() requires NAME=VALUE format
string vareq = envvar + "=" + value;
const string vareq = envvar + "=" + value;
putenv(const_cast<char*>(vareq.c_str()));
#endif
}
@@ -168,7 +168,7 @@ string V3Os::filenameSubstitute(const string& filename) {
|| ((brackets == PAREN) && (filename[endpos + 1] != ')'))) {
v3fatal("Unmatched brackets in variable substitution in file: " + filename);
}
string envvar = filename.substr(pos + 1, endpos - pos);
const string envvar = filename.substr(pos + 1, endpos - pos);
string envvalue;
if (!envvar.empty()) envvalue = getenvStr(envvar, "");
if (!envvalue.empty()) {
@@ -239,7 +239,7 @@ void V3Os::unlinkRegexp(const string& dir, const string& regexp) {
if (DIR* dirp = opendir(dir.c_str())) {
while (struct dirent* direntp = readdir(dirp)) {
if (VString::wildmatch(direntp->d_name, regexp.c_str())) {
string fullname = dir + "/" + string(direntp->d_name);
const string fullname = dir + "/" + string(direntp->d_name);
#if defined(_WIN32) || defined(__MINGW32__)
_unlink(fullname.c_str());
#else
@@ -269,8 +269,8 @@ string V3Os::trueRandom(size_t size) {
// Note: std::string.data() returns a non-const Char* from C++17 onwards.
// For pre-C++17, this cast is OK in practice, even though it's UB.
#if defined(_WIN32) || defined(__MINGW32__)
NTSTATUS hr = BCryptGenRandom(nullptr, reinterpret_cast<BYTE*>(data), size,
BCRYPT_USE_SYSTEM_PREFERRED_RNG);
const NTSTATUS hr = BCryptGenRandom(nullptr, reinterpret_cast<BYTE*>(data), size,
BCRYPT_USE_SYSTEM_PREFERRED_RNG);
if (!BCRYPT_SUCCESS(hr)) v3fatal("Could not acquire random data.");
#else
std::ifstream is("/dev/urandom", std::ios::in | std::ios::binary);
@@ -307,7 +307,7 @@ uint64_t V3Os::timeUsecs() {
uint64_t V3Os::memUsageBytes() {
#if defined(_WIN32) || defined(__MINGW32__)
HANDLE process = GetCurrentProcess();
const HANDLE process = GetCurrentProcess();
PROCESS_MEMORY_COUNTERS pmc;
if (GetProcessMemoryInfo(process, &pmc, sizeof(pmc))) {
// The best we can do using simple Windows APIs is to get the size of the working set.
@@ -320,10 +320,10 @@ uint64_t V3Os::memUsageBytes() {
FILE* fp = fopen(statmFilename, "r");
if (!fp) return 0;
vluint64_t size, resident, share, text, lib, data, dt; // All in pages
int items = fscanf(fp,
"%" VL_PRI64 "u %" VL_PRI64 "u %" VL_PRI64 "u %" VL_PRI64 "u %" VL_PRI64
"u %" VL_PRI64 "u %" VL_PRI64 "u",
&size, &resident, &share, &text, &lib, &data, &dt);
const int items = fscanf(fp,
"%" VL_PRI64 "u %" VL_PRI64 "u %" VL_PRI64 "u %" VL_PRI64
"u %" VL_PRI64 "u %" VL_PRI64 "u %" VL_PRI64 "u",
&size, &resident, &share, &text, &lib, &data, &dt);
fclose(fp);
if (VL_UNCOVERABLE(7 != items)) return 0;
return (text + data) * getpagesize();