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#include <filesystem.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
size_t get_file_size(const char* filename) {
size_t size = 0;
WITH_FILE(filename, size = get_file_size_f(file));
return size;
}
size_t get_file_size_f(FILE* file) {
assert(file);
const long int starting_pos = ftell(file);
if (starting_pos == -1) {
return 0;
}
if (fseek(file, 0, SEEK_END) != 0) {
return 0;
}
const size_t file_size = ftell(file);
if (file_size == (size_t)-1) {
return 0;
}
if (fseek(file, starting_pos, SEEK_SET) != 0) {
return 0;
}
return file_size;
}
void* read_file(const char* filepath) {
assert(filepath);
void* data = nullptr;
bool success = false;
WITH_FILE(filepath, {
const size_t file_size = get_file_size_f(file);
if (file_size > 0) {
data = calloc(1, file_size);
if (data != nullptr) {
if (fread(data, 1, file_size, file) == file_size) {
success = true;
}
}
}
});
if (!success) {
free(data);
data = nullptr;
}
return data;
}
bool read_file_f(FILE* file, void* buffer) {
assert(file);
assert(buffer);
bool success = false;
const size_t file_size = get_file_size_f(file);
if (file_size > 0) {
if (fread(buffer, 1, file_size, file) == file_size) {
success = true;
}
}
return success;
}
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