76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/**
|
|
* Copyright (c) 2026 Dominic Masters
|
|
*
|
|
* This software is released under the MIT License.
|
|
* https://opensource.org/licenses/MIT
|
|
*/
|
|
|
|
#include "save/save.h"
|
|
#include "save/savestreamlinux.h"
|
|
#include "util/string.h"
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
|
|
static void _saveStreamGetPath(
|
|
char_t *out, const size_t max, const uint8_t slot
|
|
) {
|
|
snprintf(
|
|
out, max, SAVE_LINUX_FILE_FORMAT,
|
|
SAVE.platform.savePath, (uint32_t)slot
|
|
);
|
|
}
|
|
|
|
errorret_t saveStreamOpenReadLinux(
|
|
savestreamlinux_t *p, bool_t *found, const uint8_t slot
|
|
) {
|
|
char_t path[SAVE_LINUX_PATH_MAX];
|
|
_saveStreamGetPath(path, SAVE_LINUX_PATH_MAX, slot);
|
|
|
|
p->file = fopen(path, "rb");
|
|
*found = (p->file != NULL);
|
|
errorOk();
|
|
}
|
|
|
|
errorret_t saveStreamOpenWriteLinux(savestreamlinux_t *p, const uint8_t slot) {
|
|
char_t path[SAVE_LINUX_PATH_MAX];
|
|
_saveStreamGetPath(path, SAVE_LINUX_PATH_MAX, slot);
|
|
|
|
p->file = fopen(path, "wb");
|
|
if(!p->file) {
|
|
errorThrow("Failed to open save file for writing: slot %u", (uint32_t)slot);
|
|
}
|
|
errorOk();
|
|
}
|
|
|
|
void saveStreamCloseLinux(savestreamlinux_t *p) {
|
|
if(p->file) {
|
|
fclose(p->file);
|
|
p->file = NULL;
|
|
}
|
|
}
|
|
|
|
errorret_t saveStreamReadBytesLinux(
|
|
savestreamlinux_t *p, void *buf, const size_t len
|
|
) {
|
|
if(fread(buf, 1, len, p->file) != len) {
|
|
errorThrow("Unexpected end of save file");
|
|
}
|
|
errorOk();
|
|
}
|
|
|
|
errorret_t saveStreamWriteBytesLinux(
|
|
savestreamlinux_t *p, const void *buf, const size_t len
|
|
) {
|
|
if(fwrite(buf, 1, len, p->file) != len) {
|
|
errorThrow("Failed to write save data");
|
|
}
|
|
errorOk();
|
|
}
|
|
|
|
errorret_t saveStreamSeekLinux(savestreamlinux_t *p, const size_t pos) {
|
|
if(fseek(p->file, (long)pos, SEEK_SET) != 0) {
|
|
errorThrow("Failed to seek in save file");
|
|
}
|
|
errorOk();
|
|
}
|