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Diffstat (limited to 'src/Common/zlib/infback.c')
-rw-r--r--src/Common/zlib/infback.c50
1 files changed, 19 insertions, 31 deletions
diff --git a/src/Common/zlib/infback.c b/src/Common/zlib/infback.c
index 59679ecb..e7b25b30 100644
--- a/src/Common/zlib/infback.c
+++ b/src/Common/zlib/infback.c
@@ -1,5 +1,5 @@
/* infback.c -- inflate using a call-back interface
- * Copyright (C) 1995-2016 Mark Adler
+ * Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -15,9 +15,6 @@
#include "inflate.h"
#include "inffast.h"
-/* function prototypes */
-local void fixedtables OF((struct inflate_state FAR *state));
-
/*
strm provides memory allocation functions in zalloc and zfree, or
Z_NULL to use the library memory allocation functions.
@@ -25,13 +22,9 @@ local void fixedtables OF((struct inflate_state FAR *state));
windowBits is in the range 8..15, and window is a user-supplied
window and output buffer that is 2**windowBits bytes.
*/
-int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size)
-z_streamp strm;
-int windowBits;
-unsigned char FAR *window;
-const char *version;
-int stream_size;
-{
+int ZEXPORT inflateBackInit_(z_streamp strm, int windowBits,
+ unsigned char FAR *window, const char *version,
+ int stream_size) {
struct inflate_state FAR *state;
if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
@@ -66,6 +59,7 @@ int stream_size;
state->window = window;
state->wnext = 0;
state->whave = 0;
+ state->sane = 1;
return Z_OK;
}
@@ -79,9 +73,7 @@ int stream_size;
used for threaded applications, since the rewriting of the tables and virgin
may not be thread-safe.
*/
-local void fixedtables(state)
-struct inflate_state FAR *state;
-{
+local void fixedtables(struct inflate_state FAR *state) {
#ifdef BUILDFIXED
static int virgin = 1;
static code *lenfix, *distfix;
@@ -247,13 +239,8 @@ struct inflate_state FAR *state;
inflateBack() can also return Z_STREAM_ERROR if the input parameters
are not correct, i.e. strm is Z_NULL or the state was not initialized.
*/
-int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc)
-z_streamp strm;
-in_func in;
-void FAR *in_desc;
-out_func out;
-void FAR *out_desc;
-{
+int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
+ out_func out, void FAR *out_desc) {
struct inflate_state FAR *state;
z_const unsigned char FAR *next; /* next input */
unsigned char FAR *put; /* next output */
@@ -477,6 +464,7 @@ void FAR *out_desc;
}
Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN;
+ /* fallthrough */
case LEN:
/* use inflate_fast() if we have enough input and output */
@@ -604,33 +592,33 @@ void FAR *out_desc;
break;
case DONE:
- /* inflate stream terminated properly -- write leftover output */
+ /* inflate stream terminated properly */
ret = Z_STREAM_END;
- if (left < state->wsize) {
- if (out(out_desc, state->window, state->wsize - left))
- ret = Z_BUF_ERROR;
- }
goto inf_leave;
case BAD:
ret = Z_DATA_ERROR;
goto inf_leave;
- default: /* can't happen, but makes compilers happy */
+ default:
+ /* can't happen, but makes compilers happy */
ret = Z_STREAM_ERROR;
goto inf_leave;
}
- /* Return unused input */
+ /* Write leftover output and return unused input */
inf_leave:
+ if (left < state->wsize) {
+ if (out(out_desc, state->window, state->wsize - left) &&
+ ret == Z_STREAM_END)
+ ret = Z_BUF_ERROR;
+ }
strm->next_in = next;
strm->avail_in = have;
return ret;
}
-int ZEXPORT inflateBackEnd(strm)
-z_streamp strm;
-{
+int ZEXPORT inflateBackEnd(z_streamp strm) {
if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
return Z_STREAM_ERROR;
ZFREE(strm, strm->state);