1 files changed, 96 insertions, 75 deletions

diff --git a/cpan/Compress-Raw-Zlib/zlib-src/inflate.c b/cpan/Compress-Raw-Zlib/zlib-src/inflate.c
index 72dc4c1f33..cc89517bc8 100644
--- a/cpan/Compress-Raw-Zlib/zlib-src/inflate.c
+++ b/cpan/Compress-Raw-Zlib/zlib-src/inflate.c
@@ -1,5 +1,5 @@
 /* inflate.c -- zlib decompression
- * Copyright (C) 1995-2010 Mark Adler
+ * Copyright (C) 1995-2011 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -100,8 +100,8 @@ local int updatewindow OF((z_streamp strm, unsigned out));
 local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf,
                               unsigned len));
 
-int ZEXPORT inflateReset(
-    z_streamp strm)
+int ZEXPORT inflateResetKeep(strm)
+z_streamp strm;
 {
     struct inflate_state FAR *state;
 
@@ -109,15 +109,13 @@ int ZEXPORT inflateReset(
     state = (struct inflate_state FAR *)strm->state;
     strm->total_in = strm->total_out = state->total = 0;
     strm->msg = Z_NULL;
-    strm->adler = 1;        /* to support ill-conceived Java test suite */
+    if (state->wrap)        /* to support ill-conceived Java test suite */
+        strm->adler = state->wrap & 1;
     state->mode = HEAD;
     state->last = 0;
     state->havedict = 0;
     state->dmax = 32768U;
     state->head = Z_NULL;
-    state->wsize = 0;
-    state->whave = 0;
-    state->wnext = 0;
     state->hold = 0;
     state->bits = 0;
     state->lencode = state->distcode = state->next = state->codes;
@@ -127,9 +125,22 @@ int ZEXPORT inflateReset(
     return Z_OK;
 }
 
-int ZEXPORT inflateReset2(
-    z_streamp strm,
-    int windowBits)
+int ZEXPORT inflateReset(strm)
+z_streamp strm;
+{
+    struct inflate_state FAR *state;
+
+    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
+    state = (struct inflate_state FAR *)strm->state;
+    state->wsize = 0;
+    state->whave = 0;
+    state->wnext = 0;
+    return inflateResetKeep(strm);
+}
+
+int ZEXPORT inflateReset2(strm, windowBits)
+z_streamp strm;
+int windowBits;
 {
     int wrap;
     struct inflate_state FAR *state;
@@ -165,11 +176,11 @@ int ZEXPORT inflateReset2(
     return inflateReset(strm);
 }
 
-int ZEXPORT inflateInit2_(
-    z_streamp strm,
-    int windowBits,
-    const char *version,
-    int stream_size)
+int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size)
+z_streamp strm;
+int windowBits;
+const char *version;
+int stream_size;
 {
     int ret;
     struct inflate_state FAR *state;
@@ -180,10 +191,19 @@ int ZEXPORT inflateInit2_(
     if (strm == Z_NULL) return Z_STREAM_ERROR;
     strm->msg = Z_NULL;                 /* in case we return an error */
     if (strm->zalloc == (alloc_func)0) {
+#ifdef Z_SOLO
+        return Z_STREAM_ERROR;
+#else
         strm->zalloc = zcalloc;
         strm->opaque = (voidpf)0;
+#endif
     }
-    if (strm->zfree == (free_func)0) strm->zfree = zcfree;
+    if (strm->zfree == (free_func)0)
+#ifdef Z_SOLO
+        return Z_STREAM_ERROR;
+#else
+        strm->zfree = zcfree;
+#endif
     state = (struct inflate_state FAR *)
             ZALLOC(strm, 1, sizeof(struct inflate_state));
     if (state == Z_NULL) return Z_MEM_ERROR;
@@ -198,18 +218,18 @@ int ZEXPORT inflateInit2_(
     return ret;
 }
 
-int ZEXPORT inflateInit_(
-    z_streamp strm,
-    const char *version,
-    int stream_size)
+int ZEXPORT inflateInit_(strm, version, stream_size)
+z_streamp strm;
+const char *version;
+int stream_size;
 {
     return inflateInit2_(strm, DEF_WBITS, version, stream_size);
 }
 
-int ZEXPORT inflatePrime(
-    z_streamp strm,
-    int bits,
-    int value)
+int ZEXPORT inflatePrime(strm, bits, value)
+z_streamp strm;
+int bits;
+int value;
 {
     struct inflate_state FAR *state;
 
@@ -237,8 +257,8 @@ int ZEXPORT inflatePrime(
    used for threaded applications, since the rewriting of the tables and virgin
    may not be thread-safe.
  */
-local void fixedtables(
-    struct inflate_state FAR *state)
+local void fixedtables(state)
+struct inflate_state FAR *state;
 {
 #ifdef BUILDFIXED
     static int virgin = 1;
@@ -321,8 +341,8 @@ void makefixed()
     low = 0;
     for (;;) {
         if ((low % 7) == 0) printf("\n        ");
-        printf("{%u,%u,%d}", state.lencode[low].op, state.lencode[low].bits,
-               state.lencode[low].val);
+        printf("{%u,%u,%d}", (low & 127) == 99 ? 64 : state.lencode[low].op,
+               state.lencode[low].bits, state.lencode[low].val);
         if (++low == size) break;
         putchar(',');
     }
@@ -355,9 +375,9 @@ void makefixed()
    output will fall in the output data, making match copies simpler and faster.
    The advantage may be dependent on the size of the processor's data caches.
  */
-local int updatewindow(
-    z_streamp strm,
-    unsigned out)
+local int updatewindow(strm, out)
+z_streamp strm;
+unsigned out;
 {
     struct inflate_state FAR *state;
     unsigned copy, dist;
@@ -586,9 +606,9 @@ local int updatewindow(
    will return Z_BUF_ERROR if it has not reached the end of the stream.
  */
 
-int ZEXPORT inflate(
-    z_streamp strm,
-    int flush)
+int ZEXPORT inflate(strm, flush)
+z_streamp strm;
+int flush;
 {
     struct inflate_state FAR *state;
     unsigned char FAR *next;    /* next input */
@@ -925,7 +945,6 @@ int ZEXPORT inflate(
                     PULLBYTE();
                 }
                 if (here.val < 16) {
-                    NEEDBITS(here.bits);
                     DROPBITS(here.bits);
                     state->lens[state->have++] = here.val;
                 }
@@ -1214,7 +1233,8 @@ int ZEXPORT inflate(
      */
   inf_leave:
     RESTORE();
-    if (state->wsize || (state->mode < CHECK && out != strm->avail_out))
+    if (state->wsize || (out != strm->avail_out && state->mode < BAD &&
+            (state->mode < CHECK || flush != Z_FINISH)))
         if (updatewindow(strm, out)) {
             state->mode = MEM;
             return Z_MEM_ERROR;
@@ -1235,8 +1255,8 @@ int ZEXPORT inflate(
     return ret;
 }
 
-int ZEXPORT inflateEnd(
-    z_streamp strm)
+int ZEXPORT inflateEnd(strm)
+z_streamp strm;
 {
     struct inflate_state FAR *state;
     if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
@@ -1249,13 +1269,16 @@ int ZEXPORT inflateEnd(
     return Z_OK;
 }
 
-int ZEXPORT inflateSetDictionary(
-    z_streamp strm,
-    const Bytef *dictionary,
-    uInt dictLength)
+int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength)
+z_streamp strm;
+const Bytef *dictionary;
+uInt dictLength;
 {
     struct inflate_state FAR *state;
     unsigned long id;
+    unsigned char *next;
+    unsigned avail;
+    int ret;
 
     /* check state */
     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
@@ -1271,29 +1294,27 @@ int ZEXPORT inflateSetDictionary(
             return Z_DATA_ERROR;
     }
 
-    /* copy dictionary to window */
-    if (updatewindow(strm, strm->avail_out)) {
+    /* copy dictionary to window using updatewindow(), which will amend the
+       existing dictionary if appropriate */
+    next = strm->next_out;
+    avail = strm->avail_out;
+    strm->next_out = (Bytef *)dictionary + dictLength;
+    strm->avail_out = 0;
+    ret = updatewindow(strm, dictLength);
+    strm->avail_out = avail;
+    strm->next_out = next;
+    if (ret) {
         state->mode = MEM;
         return Z_MEM_ERROR;
     }
-    if (dictLength > state->wsize) {
-        zmemcpy(state->window, dictionary + dictLength - state->wsize,
-                state->wsize);
-        state->whave = state->wsize;
-    }
-    else {
-        zmemcpy(state->window + state->wsize - dictLength, dictionary,
-                dictLength);
-        state->whave = dictLength;
-    }
     state->havedict = 1;
     Tracev((stderr, "inflate:   dictionary set\n"));
     return Z_OK;
 }
 
-int ZEXPORT inflateGetHeader(
-    z_streamp strm,
-    gz_headerp head)
+int ZEXPORT inflateGetHeader(strm, head)
+z_streamp strm;
+gz_headerp head;
 {
     struct inflate_state FAR *state;
 
@@ -1319,10 +1340,10 @@ int ZEXPORT inflateGetHeader(
    called again with more data and the *have state.  *have is initialized to
    zero for the first call.
  */
-local unsigned syncsearch(
-    unsigned FAR *have,
-    unsigned char FAR *buf,
-    unsigned len)
+local unsigned syncsearch(have, buf, len)
+unsigned FAR *have;
+unsigned char FAR *buf;
+unsigned len;
 {
     unsigned got;
     unsigned next;
@@ -1342,8 +1363,8 @@ local unsigned syncsearch(
     return next;
 }
 
-int ZEXPORT inflateSync(
-    z_streamp strm)
+int ZEXPORT inflateSync(strm)
+z_streamp strm;
 {
     unsigned len;               /* number of bytes to look at or looked at */
     unsigned long in, out;      /* temporary to save total_in and total_out */
@@ -1393,8 +1414,8 @@ int ZEXPORT inflateSync(
    block. When decompressing, PPP checks that at the end of input packet,
    inflate is waiting for these length bytes.
  */
-int ZEXPORT inflateSyncPoint(
-    z_streamp strm)
+int ZEXPORT inflateSyncPoint(strm)
+z_streamp strm;
 {
     struct inflate_state FAR *state;
 
@@ -1403,9 +1424,9 @@ int ZEXPORT inflateSyncPoint(
     return state->mode == STORED && state->bits == 0;
 }
 
-int ZEXPORT inflateCopy(
-    z_streamp dest,
-    z_streamp source)
+int ZEXPORT inflateCopy(dest, source)
+z_streamp dest;
+z_streamp source;
 {
     struct inflate_state FAR *state;
     struct inflate_state FAR *copy;
@@ -1433,8 +1454,8 @@ int ZEXPORT inflateCopy(
     }
 
     /* copy state */
-    zmemcpy(dest, source, sizeof(z_stream));
-    zmemcpy(copy, state, sizeof(struct inflate_state));
+    zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream));
+    zmemcpy((voidpf)copy, (voidpf)state, sizeof(struct inflate_state));
     if (state->lencode >= state->codes &&
         state->lencode <= state->codes + ENOUGH - 1) {
         copy->lencode = copy->codes + (state->lencode - state->codes);
@@ -1450,9 +1471,9 @@ int ZEXPORT inflateCopy(
     return Z_OK;
 }
 
-int ZEXPORT inflateUndermine(
-    z_streamp strm,
-    int subvert)
+int ZEXPORT inflateUndermine(strm, subvert)
+z_streamp strm;
+int subvert;
 {
     struct inflate_state FAR *state;
 
@@ -1467,8 +1488,8 @@ int ZEXPORT inflateUndermine(
 #endif
 }
 
-long ZEXPORT inflateMark(
-    z_streamp strm)
+long ZEXPORT inflateMark(strm)
+z_streamp strm;
 {
     struct inflate_state FAR *state;