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Use libdragon file api

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Rather than fatfs
This commit is contained in:
Robin Jones 2024-08-08 15:57:08 +01:00
parent c68e72bb94
commit 1cfb7747f8
1 changed files with 33 additions and 47 deletions
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70
src/menu/rom_patch_info.c
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@ -1,10 +1,16 @@
#include <fatfs/ff.h>
#include <libdragon.h> #include <libdragon.h>
#include "utils/fs.h" #include "utils/fs.h"
#include "rom_patch_info.h" #include "rom_patch_info.h"
#include "rom_info.h" #include "rom_info.h"
static const char *patch_rom_bps_extensions[] = { "aps", NULL };
static const char *patch_rom_ips_extensions[] = { "ips", NULL };
static const char *patch_rom_aps_extensions[] = { "aps", NULL };
static const char *patch_rom_ups_extensions[] = { "ups", NULL };
static const char *patch_rom_xdelta_extensions[] = { "xdelta", NULL };
typedef struct typedef struct
{ {
char header_magic[6]; // The header type, should always be "APS10" for N64. (plus null char) char header_magic[6]; // The header type, should always be "APS10" for N64. (plus null char)
@ -51,67 +57,47 @@ typedef struct
} aps_patch_record_rle_t; } aps_patch_record_rle_t;
rom_patch_load_err_t apply_patch_type_bps(FIL *fil) rom_patch_load_err_t apply_patch_type_bps(FILE *f)
{ {
// https://github.com/Alcaro/Flips/blob/master/bps_spec.md // https://github.com/Alcaro/Flips/blob/master/bps_spec.md
// https://www.romhacking.net/documents/746/ // https://www.romhacking.net/documents/746/
return PATCH_ERR_UNSUPPORTED; return PATCH_ERR_UNSUPPORTED;
} }
rom_patch_load_err_t apply_patch_type_ips(FIL *fil) rom_patch_load_err_t apply_patch_type_ips(FILE *f)
{ {
// https://web.archive.org/web/20170624071240/http://www.smwiki.net:80/wiki/IPS_file_format // https://web.archive.org/web/20170624071240/http://www.smwiki.net:80/wiki/IPS_file_format
UINT bytes_read = 0;
char header_magic[5];
f_read(fil, header_magic, 5, &bytes_read);
// Check the header is valid. // FIXME: we are not yet implementing it, but should be the first one!
if (strcmp(header_magic, PATCH_IPS_MAGIC) != 0) {
return PATCH_ERR_INVALID; return PATCH_ERR_INVALID;
} }
//ips_patch_record_t records; rom_patch_load_err_t apply_patch_type_aps(FILE *f)
//ips_patch_record_rle_t records_rle;
// FIXME: we are not yet doing the patch write!
return PATCH_OK;
}
rom_patch_load_err_t apply_patch_type_aps(FIL *fil)
{ {
// https://github.com/btimofeev/UniPatcher/wiki/APS-(N64) // https://github.com/btimofeev/UniPatcher/wiki/APS-(N64)
UINT bytes_read = 0; return PATCH_ERR_UNSUPPORTED;
aps_patch_header_t aps_patch_header;
f_read(fil, &aps_patch_header, sizeof(aps_patch_header_t), &bytes_read);
// Check the header is valid.
if (strcmp(aps_patch_header.header_magic, PATCH_APS_MAGIC_N64) != 0) {
return PATCH_ERR_INVALID;
} }
return PATCH_ERR_INVALID; rom_patch_load_err_t apply_patch_type_ups(FILE *f)
}
rom_patch_load_err_t apply_patch_type_ups(FIL *fil)
{ {
// http://www.romhacking.net/documents/392/ // http://www.romhacking.net/documents/392/
return PATCH_ERR_UNSUPPORTED; return PATCH_ERR_UNSUPPORTED;
} }
rom_patch_load_err_t apply_patch_type_xdelta(FIL *fil) rom_patch_load_err_t apply_patch_type_xdelta(FILE *f)
{ {
return PATCH_ERR_UNSUPPORTED; return PATCH_ERR_UNSUPPORTED;
} }
rom_patch_load_err_t rom_patch_info_load (char *path) rom_patch_load_err_t rom_patch_info_load (path_t *path)
{ {
FIL fil; FILE *f;
rom_patch_load_err_t err; rom_patch_load_err_t err;
if (f_open(&fil, strip_fs_prefix(path), FA_READ) != FR_OK) { if ((f = fopen(path_get(path), "rb")) == NULL) {
return PATCH_ERR_NO_FILE; return PATCH_ERR_NO_FILE;
} }
@ -123,15 +109,15 @@ rom_patch_load_err_t rom_patch_info_load (char *path)
rom_patch_type_t patch_ext_type; rom_patch_type_t patch_ext_type;
// Determine patch type based on file extension // Determine patch type based on file extension
if (file_has_extension(path, "bps")) { if (file_has_extensions(path_get(path), patch_rom_bps_extensions)) {
patch_ext_type = PATCH_TYPE_BPS; patch_ext_type = PATCH_TYPE_BPS;
} else if (file_has_extension(path, "ips")) { } else if (file_has_extensions(path_get(path), patch_rom_ips_extensions)) {
patch_ext_type = PATCH_TYPE_IPS; patch_ext_type = PATCH_TYPE_IPS;
} else if (file_has_extension(path, "aps")) { } else if (file_has_extensions(path_get(path), patch_rom_aps_extensions)) {
patch_ext_type = PATCH_TYPE_APS; patch_ext_type = PATCH_TYPE_APS;
} else if (file_has_extension(path, "ups")) { } else if (file_has_extensions(path_get(path), patch_rom_ups_extensions)) {
patch_ext_type = PATCH_TYPE_UPS; patch_ext_type = PATCH_TYPE_UPS;
} else if (file_has_extension(path, "xdelta")) { } else if (file_has_extensions(path_get(path), patch_rom_xdelta_extensions)) {
patch_ext_type = PATCH_TYPE_XDELTA; patch_ext_type = PATCH_TYPE_XDELTA;
} else { } else {
return PATCH_ERR_UNSUPPORTED; return PATCH_ERR_UNSUPPORTED;
@ -140,26 +126,26 @@ rom_patch_load_err_t rom_patch_info_load (char *path)
switch (patch_ext_type) switch (patch_ext_type)
{ {
case PATCH_TYPE_BPS: case PATCH_TYPE_BPS:
err = apply_patch_type_bps(&fil); err = apply_patch_type_bps(f);
break; break;
case PATCH_TYPE_IPS: case PATCH_TYPE_IPS:
err = apply_patch_type_ips(&fil); err = apply_patch_type_ips(f);
break; break;
case PATCH_TYPE_APS: case PATCH_TYPE_APS:
err = apply_patch_type_aps(&fil); err = apply_patch_type_aps(f);
break; break;
case PATCH_TYPE_UPS: case PATCH_TYPE_UPS:
err = apply_patch_type_ups(&fil); err = apply_patch_type_ups(f);
break; break;
case PATCH_TYPE_XDELTA: case PATCH_TYPE_XDELTA:
err = apply_patch_type_xdelta(&fil); err = apply_patch_type_xdelta(f);
break; break;
default: default:
return PATCH_ERR_UNSUPPORTED; return PATCH_ERR_UNSUPPORTED;
} }
if (f_close(&fil) != FR_OK) { if (fclose(f)) {
return PATCH_ERR_IO; return PATCH_ERR_IO;
} }