mirror of
https://github.com/zeldaret/ph
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Aetias
89 lines
3.6 KiB
C
89 lines
3.6 KiB
C
#ifndef __FS_H
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#define __FS_H
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#define FATAL(...) do { fprintf(stderr, __VA_ARGS__); return false; } while (0)
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#define WRITE16(buf,val) do { ((uint8_t*) buf)[0] = (val) & 0xFF; ((uint8_t*) buf)[1] = ((val) >> 8) & 0xFF; } while (0)
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#define WRITE24(buf,val) do { ((uint8_t*) buf)[0] = (val) & 0xFF; ((uint8_t*) buf)[1] = ((val) >> 8) & 0xFF; ((uint8_t*) buf)[2] = ((val) >> 16) & 0xFF; } while (0)
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#define WRITE32(buf,val) do { ((uint8_t*) buf)[0] = (val) & 0xFF; ((uint8_t*) buf)[1] = ((val) >> 8) & 0xFF; ((uint8_t*) buf)[2] = ((val) >> 16) & 0xFF; ((uint8_t*) buf)[3] = ((val) >> 24) & 0xFF; } while (0)
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#define READ16(buf) (((uint8_t*) buf)[0] | (((uint8_t*) buf)[1] << 8))
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#define READ24(buf) (((uint8_t*) buf)[0] | (((uint8_t*) buf)[1] << 8) | (((uint8_t*) buf)[2] << 16))
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#define READ32(buf) (((uint8_t*) buf)[0] | (((uint8_t*) buf)[1] << 8) | (((uint8_t*) buf)[2] << 16) | (((uint8_t*) buf)[3] << 24))
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#define REVERSE32(val) ((val >> 24) | ((val & 0xff0000) >> 8) | ((val & 0xff00) << 8) | ((val & 0xff) << 24))
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#ifdef _WIN32
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# include <Windows.h>
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# include <sys/stat.h>
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# define mkdir(path, mode) mkdir(path)
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#elif __linux__
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# include <sys/stat.h>
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# include <iconv.h>
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# include <dirent.h>
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#else
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# error "Target platform not supported"
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#endif
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bool WcharToUtf8(wchar_t *in, size_t inSize, char *out, size_t outSize, size_t *pResultSize) {
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#ifdef _WIN32
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size_t resultSize = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, in, inSize / sizeof(wchar_t), out, outSize, NULL, NULL);
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if (resultSize == 0) FATAL("Failed to convert to UTF-8\n");
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*pResultSize = resultSize;
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return true;
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#elif __linux__
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iconv_t convDesc = iconv_open("UTF-16", "UTF-8");
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if (convDesc == -1) FATAL("Failed to get conversion description to UTF-8\n");
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size_t remainingBytes = outSize;
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if (iconv(convDesc, &in, &inSize, &out, &remainingBytes) == -1) FATAL("Failed to convert to UTF-8\n");
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if (inSize > 0) FATAL("Some characters were not converted to UTF-8\n");
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*pResultSize = outSize - remainingBytes;
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return true;
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#endif
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}
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bool Utf8ToWchar(char *in, size_t inSize, wchar_t *out, size_t outSize) {
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#ifdef _WIN32
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size_t resultSize = MultiByteToWideChar(CP_UTF8, 0, in, inSize, out, outSize / sizeof(wchar_t));
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if (resultSize == 0) FATAL("Failed to convert from UTF-8: %d\n", GetLastError());
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return true;
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#elif __linux__
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iconv_t convDesc = iconv_open("UTF-8", "UTF-16");
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if (convDesc == -1) FATAL("Failed to get conversion description from UTF-8\n");
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size_t remainingBytes = outSize;
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if (iconv(convDesc, &in, &inSize, &out, &remainingBytes) == -1) FATAL("Failed to convert from UTF-8\n");
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if (inSize > 0) FATAL("Some characters were not converted from UTF-8\n");
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return true;
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#endif
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}
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bool AllocFullPath(const char *path, char **pFullPath) {
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#ifdef _WIN32
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if (path[0] == '/') {
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// Remove drive letter, e.g. /c/Projects/ph/ -> /Projects/ph/
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const char *root = strchr(path + 1, '/');
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if (root - path == 2) path = root;
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}
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size_t size = GetFullPathNameA(path, 0, NULL, NULL);
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char *fullPath = malloc(size);
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size_t resultSize = GetFullPathNameA(path, size, fullPath, NULL);
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if (resultSize == 0 || resultSize > size) FATAL("Failed to get full path for '%s'\n", path);
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*pFullPath = fullPath;
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return true;
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#elif __linux__
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char *fullPath = realpath(path, NULL);
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if (fullPath == NULL) FATAL("Failed to get full path for '%s'\n", path);
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*pFullPath = fullPath;
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return true;
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#endif
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}
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void FreeFullPath(char **pFullPath) {
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free(*pFullPath);
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*pFullPath = NULL;
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}
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#endif
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