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#include "file.h"
#include <errno.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include "log.h"
#include "mem.h"
#include "str.h"
const char* string_from_file(const char* path) {
FILE* f = fopen(path, "rb");
if (f == NULL) {
ERROR("Error reading file: %s. errno: %d", path, errno);
return NULL;
}
if (ferror(f)) {
ERROR("Error reading file: %s. errno: %d", path, errno);
return NULL;
}
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
rewind(f);
char* string = malloc(fsize + 1);
fread(string, fsize, 1, f);
fclose(f);
string[fsize] = '\0';
return string;
}
str8_opt str8_from_file(arena* a, Str8 path) {
char* p = cstr(a, path);
str8_opt result = { .has_value = false };
FILE* f = fopen(p, "rb");
if (f == NULL) {
ERROR("Error reading file: %s. errno: %d", path, errno);
return result;
}
if (ferror(f)) {
ERROR("Error reading file: %s. errno: %d", path, errno);
return result;
}
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
rewind(f);
u8* raw = arena_alloc(a, fsize + 1);
Str8 contents = Str8_create(raw, fsize);
contents.buf[contents.len] = '\0';
fread(raw, fsize, 1, f);
fclose(f);
result.contents = contents;
result.has_value = true;
return result;
}
FileData load_spv_file(const char* path) {
FILE* f = fopen(path, "rb");
if (f == NULL) {
perror("Error opening file");
return (FileData){ NULL, 0 };
}
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
rewind(f);
char* data = (char*)malloc(fsize);
if (data == NULL) {
perror("Memory allocation failed");
fclose(f);
return (FileData){ NULL, 0 };
}
size_t bytesRead = fread(data, 1, fsize, f);
if (bytesRead < fsize) {
perror("Failed to read the entire file");
free(data);
fclose(f);
return (FileData){ NULL, 0 };
}
fclose(f);
return (FileData){ data, bytesRead };
}
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