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Create zlib_parse_file_iterate_step

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This commit is contained in:
twinaphex 2015-05-27 00:23:50 +02:00
parent 6a7ab12dc1
commit 33ba65075f
1 changed files with 34 additions and 25 deletions
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59
libretro-common/file/file_extract.c
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@ -527,6 +527,36 @@ int zlib_parse_file_iterate(zlib_transfer_t *state, char *filename,
return 1;
}
int zlib_parse_file_iterate_step(zlib_transfer_t *state,
const char *valid_exts, void *userdata, zlib_file_cb file_cb)
{
const uint8_t *cdata = NULL;
uint32_t checksum = 0;
uint32_t size = 0;
uint32_t csize = 0;
unsigned cmode = 0;
unsigned payload = 0;
char filename[PATH_MAX_LENGTH] = {0};
int ret = zlib_parse_file_iterate(state, filename, &cdata, &cmode, &size, &csize,
&checksum, &payload);
if (ret != 1)
return ret;
#if 0
RARCH_LOG("OFFSET: %u, CSIZE: %u, SIZE: %u.\n", offset + 30 +
offsetNL + offsetEL, csize, size);
#endif
if (!file_cb(filename, valid_exts, cdata, cmode,
csize, size, checksum, userdata))
return 0;
state->directory += payload;
return 1;
}
/**
* zlib_parse_file:
* @file : filename path of archive
@ -551,8 +581,6 @@ bool zlib_parse_file(const char *file, const char *valid_exts,
if (!state.backend)
return false;
(void)valid_exts;
state.handle = state.backend->open(file);
if (!state.handle)
GOTO_END_ERROR();
@ -580,31 +608,12 @@ bool zlib_parse_file(const char *file, const char *valid_exts,
for (;;)
{
const uint8_t *cdata = NULL;
uint32_t checksum = 0;
uint32_t size = 0;
uint32_t csize = 0;
unsigned cmode = 0;
unsigned payload = 0;
char filename[PATH_MAX_LENGTH] = {0};
int ret = zlib_parse_file_iterate(&state, filename, &cdata, &cmode, &size, &csize,
&checksum, &payload);
if (ret == 0)
int ret2 = zlib_parse_file_iterate_step(&state,
valid_exts, userdata, file_cb);
if (ret2 == 0)
break;
if (ret == -1)
if (ret2 == -1)
GOTO_END_ERROR();
#if 0
RARCH_LOG("OFFSET: %u, CSIZE: %u, SIZE: %u.\n", offset + 30 +
offsetNL + offsetEL, csize, size);
#endif
if (!file_cb(filename, valid_exts, cdata, cmode,
csize, size, checksum, userdata))
break;
state.directory += payload;
}
end: