File* File_fopen(const char* filename, const char* mode)
{
FILE* file = fopen(filename, mode);
if (file)
{
return File_new(file);
}
return NULL;
}
#import "MemoryMappedFile.h"
#import "File.h"
#define self MemoryMappedFile
rsdef(self, new, RdString path) {
File file = File_new(path, FileStatus_ReadOnly);
Stat64 sb = File_getMeta(&file);
/* Must be a regular file to be mmap()-able. */
if ((sb.mode & FileMode_Regular) == 0) {
throw(InvalidFile);
}
self res = {
.addr = mmap(0, sb.size, PROT_READ, MAP_SHARED, file.ch.id, 0),
.size = sb.size
};
if (res.addr == MAP_FAILED) {
throw(UnknownError);
}
File_destroy(&file);
return res;
}
def(void, destroy) {
if (munmap(this->addr, this->size) == -1) {
throw(UnknownError);
File *File_with_(const char *path)
{
File *aFile = File_new();
File_setPathCString_(aFile, path);
return aFile;
}
