James Bulman
b1a805cea8
Added some string functions and macros Added path listing on windows Added assets
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
// Windows utilities
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internal Str8 Win32_WideStr(M_Arena *arena, Str8 v) {
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Str8 result = { 0 };
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S32 nchars = MultiByteToWideChar(CP_UTF8, 0, (LPCCH) v.data, (int) v.count, 0, 0) + 1;
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U64 nbytes = nchars << 1;
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result.count = nbytes - 2; // -2 because we don't include the null-terminator in the count
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result.data = M_ArenaPush(arena, U8, .count = nbytes);
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MultiByteToWideChar(CP_UTF8, 0, (LPCCH) v.data, (int) v.count, (LPWSTR) result.data, nchars);
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return result;
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}
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internal Str8 Win32_MultiByteStr(M_Arena *arena, LPWSTR wstr) {
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Str8 result = { 0 };
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S32 nbytes = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, 0, 0, 0, 0);
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result.count = nbytes - 1;
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result.data = M_ArenaPush(arena, U8, .count = nbytes);
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WideCharToMultiByte(CP_UTF8, 0, wstr, -1, (LPSTR) result.data, nbytes, 0, 0);
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return result;
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}
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// Virtual memory
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U64 VM_PageSize() {
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SYSTEM_INFO info;
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GetSystemInfo(&info);
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U64 result = info.dwPageSize;
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return result;
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}
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U64 VM_AllocationGranularity() {
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SYSTEM_INFO info;
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GetSystemInfo(&info);
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U64 result = info.dwAllocationGranularity;
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return result;
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}
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void *VM_Reserve(U64 size) {
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void *result = VirtualAlloc(0, size, MEM_RESERVE, PAGE_NOACCESS);
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return result;
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}
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B32 VM_Commit(void *base, U64 size) {
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B32 result = VirtualAlloc(base, size, MEM_COMMIT, PAGE_READWRITE) != 0;
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return result;
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}
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void VM_Decommit(void *base, U64 size) {
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VirtualFree(base, size, MEM_DECOMMIT);
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}
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void VM_Release(void *base, U64 size) {
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(void) size;
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VirtualFree(base, 0, MEM_RELEASE);
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}
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#include "filesystem.c"
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