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Add preliminary backport of stdin ROM loading - doesn't work 

for me yet
This commit is contained in:
twinaphex 2016-02-16 04:52:21 +01:00
parent e97de06f24
commit a3ce07b5af
1 changed files with 61 additions and 5 deletions
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66
content.c
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@ -898,6 +898,51 @@ error:
return retval; return retval;
} }
static bool read_content_stdin(struct retro_game_info *info)
{
size_t buf_size;
size_t buf_ptr;
uint8_t *rom_buf = NULL;
#if defined(_WIN32) && !defined(_XBOX)
_setmode(0, O_BINARY);
#endif
RARCH_LOG("Reading content from stdin ...\n");
buf_size = 0xfffff; /* Some initial guesstimate. */
buf_ptr = 0;
rom_buf = (uint8_t*)malloc(buf_size);
if (!rom_buf)
goto error;
for (;;)
{
size_t ret = fread(rom_buf + buf_ptr, 1,
buf_size - buf_ptr, stdin);
buf_ptr += ret;
/* We've reached the end */
if (buf_ptr < buf_size)
break;
rom_buf = (uint8_t*)realloc(rom_buf, buf_size * 2);
if (!rom_buf)
goto error;
buf_size *= 2;
}
info->data = &rom_buf;
info->size = buf_ptr;
return true;
error:
RARCH_ERR("Couldn't allocate memory.\n");
return false;
}
/** /**
* read_content_file: * read_content_file:
* @path : buffer of the content file. * @path : buffer of the content file.
@ -920,10 +965,12 @@ static bool read_content_file(unsigned i, const char *path, void **buf,
uint8_t *ret_buf = NULL; uint8_t *ret_buf = NULL;
global_t *global = global_get_ptr(); global_t *global = global_get_ptr();
RARCH_LOG("%s: %s.\n", {
msg_hash_to_str(MSG_LOADING_CONTENT_FILE), path); RARCH_LOG("%s: %s.\n",
if (!content_file_read(path, (void**) &ret_buf, length)) msg_hash_to_str(MSG_LOADING_CONTENT_FILE), path);
return false; if (!content_file_read(path, (void**) &ret_buf, length))
return false;
}
if (*length < 0) if (*length < 0)
return false; return false;
@ -1383,7 +1430,8 @@ static bool load_content(
bool require_content = attr & 4; bool require_content = attr & 4;
const char *path = content->elems[i].data; const char *path = content->elems[i].data;
if (require_content && string_is_empty(path)) if (require_content && string_is_empty(path) &&
!content_ctl(RARCH_CTL_IS_STDIN_CLAIMED, NULL))
{ {
RARCH_LOG("libretro core requires content, " RARCH_LOG("libretro core requires content, "
"but nothing was provided.\n"); "but nothing was provided.\n");
@ -1395,6 +1443,14 @@ static bool load_content(
if (*path) if (*path)
info[i].path = path; info[i].path = path;
if (!need_fullpath &&
content_ctl(RARCH_CTL_IS_STDIN_CLAIMED, NULL))
{
if (read_content_stdin(&info[0]))
break;
return false;
}
else
if (!need_fullpath && !string_is_empty(path)) if (!need_fullpath && !string_is_empty(path))
{ {
if (!load_content_into_memory(&info[i], i, path)) if (!load_content_into_memory(&info[i], i, path))