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(3DS) better handling of argc/argv, fixes crash in CIA builds.

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This commit is contained in:
aliaspider 2016-04-15 22:40:34 +01:00
parent c85e44d597
commit 8bd789389f
3 changed files with 78 additions and 100 deletions
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5
Makefile.ctr
View File

@ -34,6 +34,7 @@ OBJS += ctr/ctr_svchax.o
ifeq ($(GRIFFIN_BUILD), 1)
OBJS += griffin/griffin.o
else
CFLAGS += -DHAVE_COMPRESSION
OBJS += libretro-common/file/archive_file.o
OBJS += libretro-common/file/archive_file_zlib.o
OBJS += libretro-common/encodings/encoding_utf.o
@ -132,7 +133,6 @@ else
OBJS += list_special.o
OBJS += libretro-common/lists/string_list.o
OBJS += libretro-common/string/stdstring.o
# OBJS += file_ops.o
OBJS += libretro-common/file/nbio/nbio_stdio.o
OBJS += libretro-common/lists/file_list.o
OBJS += libretro-common/queues/message_queue.o
@ -225,8 +225,6 @@ else
OBJS += deps/zlib/trees.o
OBJS += deps/zlib/uncompr.o
OBJS += deps/zlib/zutil.o
# OBJS += deps/zlib/ioapi.o
# OBJS += deps/zlib/unzip.o
OBJS += audio/audio_utils.o
endif
@ -286,7 +284,6 @@ CFLAGS += -I. -Ideps/zlib -Ideps/7zip -Ilibretro-common/include
CFLAGS += -DRARCH_INTERNAL -DRARCH_CONSOLE -DSINC_LOWEST_QUALITY
CFLAGS += -DHAVE_GRIFFIN=1 -DHAVE_FILTERS_BUILTIN -DHAVE_MENU -DHAVE_RGUI
CFLAGS += -DHAVE_ZLIB -DHAVE_RPNG -DWANT_ZLIB -DHAVE_BUILTIN_AUTOCONFIG
CFLAGS += -DHAVE_COMPRESSION
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11

78
ctr/ctr_system.c
View File

@ -5,6 +5,7 @@
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include "ctr_debug.h"
#define CTR_APPMEMALLOC_PTR ((u32*)0x1FF80040)
@ -60,7 +61,8 @@ void __attribute__((weak)) __libctru_init(void (*retAddr)(void))
__system_initArgv();
}
void __system_allocateHeaps() {
void __system_allocateHeaps()
{
u32 tmp = 0;
MemInfo stack_memInfo;
@ -135,48 +137,46 @@ int __system_argc;
char** __system_argv;
extern const char* __system_arglist;
//extern char* fake_heap_start;
extern char* fake_heap_end;
void __system_initArgv()
{
int i;
const char* temp = __system_arglist;
// Check if the argument list is present
if (!temp)
return;
// Retrieve argc
__system_argc = *(u32*)temp;
temp += sizeof(u32);
// Find the end of the argument data
for (i = 0; i < __system_argc; i ++)
struct
{
for (; *temp; temp ++);
temp ++;
u32 argc;
char args[];
}*arg_struct = (void*)__system_arglist;
__system_argc = 0;
if (arg_struct)
__system_argc = arg_struct->argc;
if (__system_argc)
{
__system_argv = (char**) malloc((__system_argc + 1) * sizeof(char**));
__system_argv[0] = arg_struct->args;
for (i = 1; i < __system_argc; i++)
__system_argv[i] = __system_argv[i - 1] + strlen(__system_argv[i - 1]) + 1;
i = __system_argc - 1;
__system_argc = 1;
while (i)
{
if(__system_argv[i] && isalnum(__system_argv[i][0])
&& strncmp(__system_argv[i], "3dslink:/", 9))
{
__system_argv[1] = __system_argv[i];
__system_argc = 2;
break;
}
// Reserve heap memory for argv data
u32 argSize = temp - __system_arglist - sizeof(u32);
// __system_argv = (char**)fake_heap_start;
// fake_heap_start += sizeof(char**)*(__system_argc + 1);
// char* argCopy = fake_heap_start;
// fake_heap_start += argSize;
__system_argv = malloc(sizeof(char**)*(__system_argc + 1) + argSize);
char* argCopy = (char*)__system_argv + sizeof(char**)*(__system_argc + 1);
// Fill argv array
memcpy(argCopy, &__system_arglist[4], argSize);
temp = argCopy;
for (i = 0; i < __system_argc; i ++)
i--;
}
}
else
{
__system_argv[i] = (char*)temp;
for (; *temp; temp ++);
temp ++;
__system_argc = 1;
__system_argv = (char**) malloc(sizeof(char**) * 2);
__system_argv[0] = "sdmc:/retroarch/retroarch";
}
__system_argv[__system_argc] = NULL;
}
@ -195,7 +195,8 @@ void __attribute__((noreturn)) __ctru_exit(int rc)
__libctru_exit(rc);
}
typedef union{
typedef union
{
struct
{
unsigned description : 10;
@ -238,6 +239,7 @@ void wait_for_input(void)
if (kDown & KEY_SELECT)
exit(0);
#if 0
select_pressed = true;
#endif

21
frontend/drivers/platform_ctr.c
View File

@ -80,27 +80,6 @@ static void frontend_ctr_get_environment_settings(int *argc, char *argv[],
"filters", sizeof(g_defaults.dir.remap));
fill_pathname_join(g_defaults.path.config, g_defaults.dir.port,
"retroarch.cfg", sizeof(g_defaults.path.config));
#ifndef IS_SALAMANDER
/* clean-up argc/argv */
if(*argc)
{
int i = *argc - 1;
*argc = 0;
while (i)
{
if(argv[i] && isalnum(argv[i][0])
&& strncmp(argv[i], "3dslink:/", 9))
{
argv[1] = argv[i];
argv[2] = NULL;
*argc = 2;
break;
}
i--;
}
}
#endif
}
static void frontend_ctr_deinit(void *data)