1 files changed, 33 insertions, 65 deletions

diff --git a/deps/zlib/zutil.c b/deps/zlib/zutil.c
index dcab28a0d5..6c2aff1516 100644
--- a/deps/zlib/zutil.c
+++ b/deps/zlib/zutil.c
@@ -11,26 +11,23 @@
 #endif
 
 z_const char * const z_errmsg[10] = {
-    (z_const char *)"need dictionary",     /* Z_NEED_DICT       2  */
-    (z_const char *)"stream end",          /* Z_STREAM_END      1  */
-    (z_const char *)"",                    /* Z_OK              0  */
-    (z_const char *)"file error",          /* Z_ERRNO         (-1) */
-    (z_const char *)"stream error",        /* Z_STREAM_ERROR  (-2) */
-    (z_const char *)"data error",          /* Z_DATA_ERROR    (-3) */
-    (z_const char *)"insufficient memory", /* Z_MEM_ERROR     (-4) */
-    (z_const char *)"buffer error",        /* Z_BUF_ERROR     (-5) */
-    (z_const char *)"incompatible version",/* Z_VERSION_ERROR (-6) */
-    (z_const char *)""
-};
-
-
-const char * ZEXPORT zlibVersion()
-{
+"need dictionary",     /* Z_NEED_DICT       2  */
+"stream end",          /* Z_STREAM_END      1  */
+"",                    /* Z_OK              0  */
+"file error",          /* Z_ERRNO         (-1) */
+"stream error",        /* Z_STREAM_ERROR  (-2) */
+"data error",          /* Z_DATA_ERROR    (-3) */
+"insufficient memory", /* Z_MEM_ERROR     (-4) */
+"buffer error",        /* Z_BUF_ERROR     (-5) */
+"incompatible version",/* Z_VERSION_ERROR (-6) */
+""};
+
+
+const char * ZEXPORT zlibVersion(void) {
     return ZLIB_VERSION;
 }
 
-uLong ZEXPORT zlibCompileFlags()
-{
+uLong ZEXPORT zlibCompileFlags(void) {
     uLong flags;
 
     flags = 0;
@@ -119,9 +116,7 @@ uLong ZEXPORT zlibCompileFlags()
 #  endif
 int ZLIB_INTERNAL z_verbose = verbose;
 
-void ZLIB_INTERNAL z_error (m)
-    char *m;
-{
+void ZLIB_INTERNAL z_error(char *m) {
     fprintf(stderr, "%s\n", m);
     exit(1);
 }
@@ -130,9 +125,7 @@ void ZLIB_INTERNAL z_error (m)
 /* exported to allow conversion of error code to string for compress() and
  * uncompress()
  */
-const char * ZEXPORT zError(err)
-    int err;
-{
+const char * ZEXPORT zError(int err) {
     return ERR_MSG(err);
 }
 
@@ -146,22 +139,14 @@ const char * ZEXPORT zError(err)
 
 #ifndef HAVE_MEMCPY
 
-void ZLIB_INTERNAL zmemcpy(dest, source, len)
-    Bytef* dest;
-    const Bytef* source;
-    uInt  len;
-{
+void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len) {
     if (len == 0) return;
     do {
         *dest++ = *source++; /* ??? to be unrolled */
     } while (--len != 0);
 }
 
-int ZLIB_INTERNAL zmemcmp(s1, s2, len)
-    const Bytef* s1;
-    const Bytef* s2;
-    uInt  len;
-{
+int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len) {
     uInt j;
 
     for (j = 0; j < len; j++) {
@@ -170,10 +155,7 @@ int ZLIB_INTERNAL zmemcmp(s1, s2, len)
     return 0;
 }
 
-void ZLIB_INTERNAL zmemzero(dest, len)
-    Bytef* dest;
-    uInt  len;
-{
+void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len) {
     if (len == 0) return;
     do {
         *dest++ = 0;  /* ??? to be unrolled */
@@ -216,11 +198,9 @@ local ptr_table table[MAX_PTR];
 
 voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
 {
-    voidpf buf;
+    voidpf buf = opaque; /* just to make some compilers happy */
     ulg bsize = (ulg)items*size;
 
-    (void)opaque;
-
     /* If we allocate less than 65520 bytes, we assume that farmalloc
      * will return a usable pointer which doesn't have to be normalized.
      */
@@ -240,12 +220,8 @@ voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
     return buf;
 }
 
-void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
-{
+void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
     int n;
-
-    (void)opaque;
-
     if (*(ush*)&ptr != 0) { /* object < 64K */
         farfree(ptr);
         return;
@@ -261,6 +237,7 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
         next_ptr--;
         return;
     }
+    ptr = opaque; /* just to make some compilers happy */
     Assert(0, "zcfree: ptr not found");
 }
 
@@ -277,15 +254,13 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
 #  define _hfree   hfree
 #endif
 
-voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, uInt items, uInt size)
-{
-    (void)opaque;
+voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size) {
+    if (opaque) opaque = 0; /* to make compiler happy */
     return _halloc((long)items, size);
 }
 
-void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
-{
-    (void)opaque;
+void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
+    if (opaque) opaque = 0; /* to make compiler happy */
     _hfree(ptr);
 }
 
@@ -297,27 +272,20 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
 #ifndef MY_ZCALLOC /* Any system without a special alloc function */
 
 #ifndef STDC
-extern voidp  malloc OF((uInt size));
-extern voidp  calloc OF((uInt items, uInt size));
-extern void   free   OF((voidpf ptr));
+extern voidp malloc(uInt size);
+extern voidp calloc(uInt items, uInt size);
+extern void free(voidpf ptr);
 #endif
 
-voidpf ZLIB_INTERNAL zcalloc (opaque, items, size)
-    voidpf opaque;
-    unsigned items;
-    unsigned size;
-{
-    (void)opaque;
+voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
+    if (opaque) items += size - size; /* make compiler happy */
     return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
                               (voidpf)calloc(items, size);
 }
 
-void ZLIB_INTERNAL zcfree (opaque, ptr)
-    voidpf opaque;
-    voidpf ptr;
-{
-    (void)opaque;
+void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
     free(ptr);
+    if (opaque) return; /* make compiler happy */
 }
 
 #endif /* MY_ZCALLOC */