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This commit is contained in:
Daniel Ledda
2025-01-11 17:02:49 +01:00
parent 1ae4a5fef9
commit ef930159e7
7 changed files with 172 additions and 158 deletions
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138
djstdlib/core.cpp
View File

@@ -328,96 +328,14 @@ real32 parsePositiveReal32(string str, size_t *lengthPointer) {
return result;
}
string readEntireFile(Arena *arena, string filename) {
#if OS_WINDOWS
string result = {0};
HANDLE fileHandle = CreateFileA(cstring(arena, filename), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, NULL, NULL);
if (fileHandle != INVALID_HANDLE_VALUE) {
LARGE_INTEGER fileSize;
if (GetFileSizeEx(fileHandle, &fileSize)) {
string readfile = PushString(arena, (size_t)fileSize.QuadPart);
if (readfile.str) {
DWORD bytesRead;
if (ReadFile(fileHandle, readfile.str, (DWORD)fileSize.QuadPart, &bytesRead, NULL) && (fileSize.QuadPart == bytesRead)) {
result = readfile;
}
}
}
CloseHandle(fileHandle);
}
return result;
#elif OS_LINUX
FILE *input = fopen((char *)filename.str, "r");
string readBuffer;
if (input) {
struct stat st;
stat((char *)filename.str, &st);
size_t fsize = st.st_size;
readBuffer = PushString(arena, fsize);
fread(readBuffer.str, sizeof(byte), readBuffer.length, input);
fclose(input);
} else {
readBuffer = PushString(arena, 0);
}
return readBuffer;
#endif
}
bool writeEntireFile(Arena *arena, string filename, const byte *contents, size_t contentsLength) {
bool result = false;
#if OS_WINDOWS
HANDLE fileHandle = CreateFileA(cstring(arena, filename), GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, NULL, NULL);
if (fileHandle != INVALID_HANDLE_VALUE) {
DWORD bytesWritten;
if (WriteFile(fileHandle, contents, (DWORD)contentsLength, &bytesWritten, NULL)) {
// file written successfully
result = bytesWritten == contentsLength;
}
CloseHandle(fileHandle);
}
#elif OS_LINUX
FILE *output = fopen((char *)filename.str, "w");
if (output) {
fwrite(contents, contentsLength, contentsLength, output);
fclose(output);
result = true;
}
#endif
return result;
}
bool fileAppend(Arena *arena, string filename, const byte *contents, size_t contentsLength) {
bool result = false;
#if OS_WINDOWS
HANDLE fileHandle = CreateFileA(cstring(arena, filename), FILE_APPEND_DATA | FILE_GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (fileHandle != INVALID_HANDLE_VALUE) {
DWORD bytesWritten;
DWORD position = SetFilePointer(fileHandle, 0, NULL, FILE_END);
if (WriteFile(fileHandle, contents, (DWORD)contentsLength, &bytesWritten, NULL)) {
// file written successfully
result = bytesWritten == contentsLength;
}
CloseHandle(fileHandle);
}
#elif OS_LINUX
FILE *output = fopen((char *)filename.str, "a");
if (output) {
fwrite(contents, contentsLength, contentsLength, output);
fclose(output);
result = true;
}
#endif
return result;
}
list<string> getArgs(Arena *arena, int argc, char **argv) {
list<string> args = PushList(arena, string, (size_t)argc);
list<string> args = PushList(arena, string, (size_t)argc - 1);
for (int i = 1; i < argc; i++) {
appendList(&args, strFromCString(arena, argv[i]));
}
return args;
}
UnixTimestamp getSystemUnixTime() {
time_t now;
time(&now);
@@ -425,8 +343,9 @@ UnixTimestamp getSystemUnixTime() {
}
Timestamp timestampFromUnixTime(UnixTimestamp *unixTimestamp) {
tm *timestamp = gmtime((time_t *)unixTimestamp);
return *timestamp;
tm timestamp = {0};
gmtime_r((time_t *)unixTimestamp, &timestamp);
return timestamp;
}
string formatTimeHms(Arena *arena, UnixTimestamp time) {
@@ -459,65 +378,24 @@ string formatTimeYmd(Arena *arena, Timestamp *time) {
return buf;
}
function void __core_log(LogTarget target, const char *fmt, va_list argList) {
Scratch scratch = scratchStart(0, 0);
string result = strPrintfv(scratch.arena, fmt, argList);
#if OS_WINDOWS
DWORD done;
HANDLE stdHandle;
switch (target) {
case LogTarget_stdin:
stdHandle = GetStdHandle(STD_INPUT_HANDLE);
break;
case LogTarget_stdout:
stdHandle = GetStdHandle(STD_ERROR_HANDLE);
break;
case LogTarget_stderr:
stdHandle = GetStdHandle(STD_OUTPUT_HANDLE);
break;
default:
stdHandle = GetStdHandle(STD_OUTPUT_HANDLE);
break;
}
WriteFile(stdHandle, result.str, (DWORD)result.length, &done, 0);
#elif OS_LINUX
// TODO(djledda): finish implementation without cstdlib
switch (target) {
case LogTarget_stdin:
write(0, (const void *)result.str, result.length);
break;
case LogTarget_stderr:
fflush(stderr);
write(2, (const void *)result.str, result.length);
break;
case LogTarget_stdout:
default:
fflush(stdout);
write(1, (const void *)result.str, result.length);
break;
}
#endif
scratchEnd(scratch);
}
void logErr(const char *fmt, ...) {
va_list argList;
va_start(argList, fmt);
__core_log(LogTarget_stdout, fmt, argList);
os_log(LogTarget_stdout, fmt, argList);
va_end(argList);
}
function void logStdout(const char *fmt, ...) {
va_list argList;
va_start(argList, fmt);
__core_log(LogTarget_stdout, fmt, argList);
os_log(LogTarget_stdout, fmt, argList);
va_end(argList);
}
void log(const char *fmt, ...) {
va_list argList;
va_start(argList, fmt);
__core_log(LogTarget_stdout, fmt, argList);
os_log(LogTarget_stdout, fmt, argList);
va_end(argList);
}

5
djstdlib/core.h
View File

@@ -181,11 +181,6 @@ real32 parsePositiveReal32(Arena *arena, string str, size_t *lengthPointer);
inline function bool isNumeric(char c);
// ### File IO ###
string readEntireFile(Arena *arena, string filename);
bool writeEntireFile(Arena *arena, string filename, const byte *contents, size_t contentsLength);
bool fileAppend(Arena *arena, string filename, const byte *contents, size_t contentsLength);
// ### Cmdline ###
list<string> getArgs(Arena *arena, int argc, char **argv);

8
djstdlib/os.h
View File

@@ -9,4 +9,12 @@ void os_reserve(void *ptr);
void os_decommit(void *ptr);
void os_free(void *ptr, size_t freeSize);
// ### File IO ###
string os_readEntireFile(Arena *arena, string filename);
bool os_writeEntireFile(Arena *arena, string filename, const byte *contents, size_t contentsLength);
bool os_fileAppend(Arena *arena, string filename, const byte *contents, size_t contentsLength);
// ### Standard IO ###
void os_log(LogTarget target, const char *fmt, va_list argList);
#endif

59
djstdlib/os_linux.cpp
View File

@@ -22,4 +22,63 @@ void os_free(void *ptr, size_t size) {
Assert(err != -1);
}
string os_readEntireFile(Arena *arena, string filename) {
FILE *input = fopen((char *)filename.str, "r");
string readBuffer;
if (input) {
struct stat st;
stat((char *)filename.str, &st);
size_t fsize = st.st_size;
readBuffer = PushString(arena, fsize);
fread(readBuffer.str, sizeof(byte), readBuffer.length, input);
fclose(input);
} else {
readBuffer = PushString(arena, 0);
}
return readBuffer;
}
bool os_writeEntireFile(Arena *arena, string filename, const byte *contents, size_t contentsLength) {
bool result = false;
FILE *output = fopen((char *)filename.str, "w");
if (output) {
fwrite(contents, contentsLength, contentsLength, output);
fclose(output);
result = true;
}
return result;
}
bool os_fileAppend(Arena *arena, string filename, const byte *contents, size_t contentsLength) {
bool result = false;
FILE *output = fopen((char *)filename.str, "a");
if (output) {
fwrite(contents, sizeof(byte), contentsLength, output);
fclose(output);
result = true;
}
return result;
}
void os_log(LogTarget target, const char *fmt, va_list argList) {
Scratch scratch = scratchStart(0, 0);
string result = strPrintfv(scratch.arena, fmt, argList);
// TODO(djledda): finish implementation without cstdlib
switch (target) {
case LogTarget_stdin:
write(0, (const void *)result.str, result.length);
break;
case LogTarget_stderr:
fflush(stderr);
write(2, (const void *)result.str, result.length);
break;
case LogTarget_stdout:
default:
fflush(stdout);
write(1, (const void *)result.str, result.length);
break;
}
scratchEnd(scratch);
}
#endif

71
djstdlib/os_win32.cpp
View File

@@ -18,4 +18,75 @@ void os_free(void *ptr, size_t size) {
VirtualFree(ptr, NULL, MEM_RELEASE);
}
string os_readEntireFile(Arena *arena, string filename) {
string result = {0};
HANDLE fileHandle = CreateFileA(cstring(arena, filename), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, NULL, NULL);
if (fileHandle != INVALID_HANDLE_VALUE) {
LARGE_INTEGER fileSize;
if (GetFileSizeEx(fileHandle, &fileSize)) {
string readfile = PushString(arena, (size_t)fileSize.QuadPart);
if (readfile.str) {
DWORD bytesRead;
if (ReadFile(fileHandle, readfile.str, (DWORD)fileSize.QuadPart, &bytesRead, NULL) && (fileSize.QuadPart == bytesRead)) {
result = readfile;
}
}
}
CloseHandle(fileHandle);
}
return result;
}
bool os_writeEntireFile(Arena *arena, string filename, const byte *contents, size_t contentsLength) {
bool result = false;
HANDLE fileHandle = CreateFileA(cstring(arena, filename), GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, NULL, NULL);
if (fileHandle != INVALID_HANDLE_VALUE) {
DWORD bytesWritten;
if (WriteFile(fileHandle, contents, (DWORD)contentsLength, &bytesWritten, NULL)) {
// file written successfully
result = bytesWritten == contentsLength;
}
CloseHandle(fileHandle);
}
return result;
}
bool os_fileAppend(Arena *arena, string filename, const byte *contents, size_t contentsLength) {
bool result = false;
HANDLE fileHandle = CreateFileA(cstring(arena, filename), FILE_APPEND_DATA | FILE_GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (fileHandle != INVALID_HANDLE_VALUE) {
DWORD bytesWritten;
DWORD position = SetFilePointer(fileHandle, 0, NULL, FILE_END);
if (WriteFile(fileHandle, contents, (DWORD)contentsLength, &bytesWritten, NULL)) {
// file written successfully
result = bytesWritten == contentsLength;
}
CloseHandle(fileHandle);
}
return result;
}
function void os_log(LogTarget target, const char *fmt, va_list argList) {
Scratch scratch = scratchStart(0, 0);
string result = strPrintfv(scratch.arena, fmt, argList);
DWORD done;
HANDLE stdHandle;
switch (target) {
case LogTarget_stdin:
stdHandle = GetStdHandle(STD_INPUT_HANDLE);
break;
case LogTarget_stdout:
stdHandle = GetStdHandle(STD_ERROR_HANDLE);
break;
case LogTarget_stderr:
stdHandle = GetStdHandle(STD_OUTPUT_HANDLE);
break;
default:
stdHandle = GetStdHandle(STD_OUTPUT_HANDLE);
break;
}
WriteFile(stdHandle, result.str, (DWORD)result.length, &done, 0);
scratchEnd(scratch);
}
#endif