Fix some typos.

No code changes.

ChangeLog

@@ -162,7 +162,7 @@ Changes in 1.2.7.1 (24 Mar 2013)
 - Fix types in contrib/minizip to match result of get_crc_table()
 - Simplify contrib/vstudio/vc10 with 'd' suffix
 - Add TOP support to win32/Makefile.msc
-- Suport i686 and amd64 assembler builds in CMakeLists.txt
+- Support i686 and amd64 assembler builds in CMakeLists.txt
 - Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h
 - Add vc11 and vc12 build files to contrib/vstudio
 - Add gzvprintf() as an undocumented function in zlib
@@ -362,14 +362,14 @@ Changes in 1.2.5.1 (10 Sep 2011)
 - Use u4 type for crc_table to avoid conversion warnings
 - Apply casts in zlib.h to avoid conversion warnings
 - Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller]
-- Improve inflateSync() documentation to note indeterminancy
+- Improve inflateSync() documentation to note indeterminacy
 - Add deflatePending() function to return the amount of pending output
 - Correct the spelling of "specification" in FAQ [Randers-Pehrson]
 - Add a check in configure for stdarg.h, use for gzprintf()
 - Check that pointers fit in ints when gzprint() compiled old style
 - Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler]
 - Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt]
-- Add debug records in assmebler code [Londer]
+- Add debug records in assembler code [Londer]
 - Update RFC references to use http://tools.ietf.org/html/... [Li]
 - Add --archs option, use of libtool to configure for Mac OS X [Borstel]
 
@@ -1036,7 +1036,7 @@ Changes in 1.2.0.1 (17 March 2003)
     - Include additional header file on VMS for off_t typedef
 - Try to use _vsnprintf where it supplants vsprintf [Vollant]
 - Add some casts in inffast.c
-- Enchance comments in zlib.h on what happens if gzprintf() tries to
+- Enhance comments in zlib.h on what happens if gzprintf() tries to
   write more than 4095 bytes before compression
 - Remove unused state from inflateBackEnd()
 - Remove exit(0) from minigzip.c, example.c
@@ -1214,7 +1214,7 @@ Changes in 1.0.9 (17 Feb 1998)
 - Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8
 - in inftrees.c, avoid cc -O bug on HP (Farshid Elahi)
 - in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with
-  the declaration of FAR (Gilles VOllant)
+  the declaration of FAR (Gilles Vollant)
 - install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann)
 - read_buf buf parameter of type Bytef* instead of charf*
 - zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout)
@@ -1570,7 +1570,7 @@ Changes in 0.4:
 - renamed deflateOptions as deflateInit2, call one or the other but not both
 - added the method parameter for deflateInit2
 - added inflateInit2
-- simplied considerably deflateInit and inflateInit by not supporting
+- simplified considerably deflateInit and inflateInit by not supporting
   user-provided history buffer. This is supported only in deflateInit2
   and inflateInit2
 

contrib/infback9/inftree9.h

@@ -38,7 +38,7 @@ typedef struct {
 /* Maximum size of the dynamic table.  The maximum number of code structures is
    1446, which is the sum of 852 for literal/length codes and 594 for distance
    codes.  These values were found by exhaustive searches using the program
-   examples/enough.c found in the zlib distribtution.  The arguments to that
+   examples/enough.c found in the zlib distribution.  The arguments to that
    program are the number of symbols, the initial root table size, and the
    maximum bit length of a code.  "enough 286 9 15" for literal/length codes
    returns returns 852, and "enough 32 6 15" for distance codes returns 594.

contrib/puff/README

@@ -38,7 +38,7 @@ Then you can call puff() to decompress a deflate stream that is in memory in
 its entirety at source, to a sufficiently sized block of memory for the
 decompressed data at dest.  puff() is the only external symbol in puff.c  The
 only C library functions that puff.c needs are setjmp() and longjmp(), which
-are used to simplify error checking in the code to improve readabilty.  puff.c
+are used to simplify error checking in the code to improve readability.  puff.c
 does no memory allocation, and uses less than 2K bytes off of the stack.
 
 If destlen is not enough space for the uncompressed data, then inflate will

contrib/puff/puff.c

@@ -43,7 +43,7 @@
  *                      - Use pointers instead of long to specify source and
  *                        destination sizes to avoid arbitrary 4 GB limits
  * 1.2  17 Mar 2002     - Add faster version of decode(), doubles speed (!),
- *                        but leave simple version for readabilty
+ *                        but leave simple version for readability
  *                      - Make sure invalid distances detected if pointers
  *                        are 16 bits
  *                      - Fix fixed codes table error
@@ -624,7 +624,7 @@ local int fixed(struct state *s)
  *   are themselves compressed using Huffman codes and run-length encoding.  In
  *   the list of code lengths, a 0 symbol means no code, a 1..15 symbol means
  *   that length, and the symbols 16, 17, and 18 are run-length instructions.
- *   Each of 16, 17, and 18 are follwed by extra bits to define the length of
+ *   Each of 16, 17, and 18 are followed by extra bits to define the length of
  *   the run.  16 copies the last length 3 to 6 times.  17 represents 3 to 10
  *   zero lengths, and 18 represents 11 to 138 zero lengths.  Unused symbols
  *   are common, hence the special coding for zero lengths.

contrib/puff/pufftest.c

@@ -143,7 +143,7 @@ int main(int argc, char **argv)
                                      len - sourcelen);
     }
 
-    /* if requested, inflate again and write decompressd data to stdout */
+    /* if requested, inflate again and write decompressed data to stdout */
     if (put && ret == 0) {
         if (fail)
             destlen >>= 1;

crc32.c

@@ -645,8 +645,8 @@ unsigned long ZEXPORT crc32_z(crc, buf, len)
     len &= 7;
 
     /* Do three interleaved CRCs to realize the throughput of one crc32x
-       instruction per cycle. Each CRC is calcuated on Z_BATCH words. The three
-       CRCs are combined into a single CRC after each set of batches. */
+       instruction per cycle. Each CRC is calculated on Z_BATCH words. The
+       three CRCs are combined into a single CRC after each set of batches. */
     while (num >= 3 * Z_BATCH) {
         crc1 = 0;
         crc2 = 0;

deflate.c

@@ -1680,7 +1680,7 @@ local void fill_window(s)
  *
  * deflate_stored() is written to minimize the number of times an input byte is
  * copied. It is most efficient with large input and output buffers, which
- * maximizes the opportunites to have a single copy from next_in to next_out.
+ * maximizes the opportunities to have a single copy from next_in to next_out.
  */
 local block_state deflate_stored(s, flush)
     deflate_state *s;

examples/enough.c

@@ -486,7 +486,7 @@ local void enough(int syms) {
 // are 286, 9, and 15 respectively, for the deflate literal/length code. The
 // possible codes are counted for each number of coded symbols from two to the
 // maximum. The counts for each of those and the total number of codes are
-// shown. The maximum number of inflate table entires is then calculated across
+// shown. The maximum number of inflate table entries is then calculated across
 // all possible codes. Each new maximum number of table entries and the
 // associated sub-code (starting at root + 1 == 10 bits) is shown.
 //

examples/fitblk.c

@@ -17,7 +17,7 @@
    data in order to determine how much of that input will compress to
    nearly the requested output block size.  The first pass generates
    enough deflate blocks to produce output to fill the requested
-   output size plus a specfied excess amount (see the EXCESS define
+   output size plus a specified excess amount (see the EXCESS define
    below).  The last deflate block may go quite a bit past that, but
    is discarded.  The second pass decompresses and recompresses just
    the compressed data that fit in the requested plus excess sized
@@ -109,7 +109,7 @@ local int recompress(z_streamp inf, z_streamp def)
         if (ret == Z_MEM_ERROR)
             return ret;
 
-        /* compress what was decompresed until done or no room */
+        /* compress what was decompressed until done or no room */
         def->avail_in = RAWLEN - inf->avail_out;
         def->next_in = raw;
         if (inf->avail_out != 0)

examples/gun.c

@@ -43,7 +43,7 @@
    gun will also decompress files made by Unix compress, which uses LZW
    compression.  These files are automatically detected by virtue of their
    magic header bytes.  Since the end of Unix compress stream is marked by the
-   end-of-file, they cannot be concantenated.  If a Unix compress stream is
+   end-of-file, they cannot be concatenated.  If a Unix compress stream is
    encountered in an input file, it is the last stream in that file.
 
    Like gunzip and uncompress, the file attributes of the original compressed

examples/gzappend.c

@@ -33,7 +33,7 @@
  *                      - Add L to constants in lseek() calls
  *                      - Remove some debugging information in error messages
  *                      - Use new data_type definition for zlib 1.2.1
- *                      - Simplfy and unify file operations
+ *                      - Simplify and unify file operations
  *                      - Finish off gzip file in gztack()
  *                      - Use deflatePrime() instead of adding empty blocks
  *                      - Keep gzip file clean on appended file read errors
@@ -54,7 +54,7 @@
    block boundary to facilitate locating and modifying the last block bit at
    the start of the final deflate block.  Also whether using Z_BLOCK or not,
    another required feature of zlib 1.2.x is that inflate() now provides the
-   number of unusued bits in the last input byte used.  gzappend will not work
+   number of unused bits in the last input byte used.  gzappend will not work
    with versions of zlib earlier than 1.2.1.
 
    gzappend first decompresses the gzip file internally, discarding all but

examples/gzlog.h

@@ -40,7 +40,7 @@
    its new size at that time.  After each write operation, the log file is a
    valid gzip file that can decompressed to recover what was written.
 
-   The gzlog operations can be interupted at any point due to an application or
+   The gzlog operations can be interrupted at any point due to an application or
    system crash, and the log file will be recovered the next time the log is
    opened with gzlog_open().
  */

examples/zran.c

@@ -21,7 +21,7 @@
    An access point can be created at the start of any deflate block, by saving
    the starting file offset and bit of that block, and the 32K bytes of
    uncompressed data that precede that block.  Also the uncompressed offset of
-   that block is saved to provide a referece for locating a desired starting
+   that block is saved to provide a reference for locating a desired starting
    point in the uncompressed stream.  deflate_index_build() works by
    decompressing the input zlib or gzip stream a block at a time, and at the
    end of each block deciding if enough uncompressed data has gone by to

inftrees.h

@@ -38,7 +38,7 @@ typedef struct {
 /* Maximum size of the dynamic table.  The maximum number of code structures is
    1444, which is the sum of 852 for literal/length codes and 592 for distance
    codes.  These values were found by exhaustive searches using the program
-   examples/enough.c found in the zlib distribtution.  The arguments to that
+   examples/enough.c found in the zlib distribution.  The arguments to that
    program are the number of symbols, the initial root table size, and the
    maximum bit length of a code.  "enough 286 9 15" for literal/length codes
    returns returns 852, and "enough 30 6 15" for distance codes returns 592.

make_vms.com

@@ -14,9 +14,9 @@ $! 0.02 20061008 Adapt to new Makefile.in
 $! 0.03 20091224 Add support for large file check
 $! 0.04 20100110 Add new gzclose, gzlib, gzread, gzwrite
 $! 0.05 20100221 Exchange zlibdefs.h by zconf.h.in
-$! 0.06 20120111 Fix missing amiss_err, update zconf_h.in, fix new exmples
+$! 0.06 20120111 Fix missing amiss_err, update zconf_h.in, fix new examples
 $!               subdir path, update module search in makefile.in
-$! 0.07 20120115 Triggered by work done by Alexey Chupahin completly redesigned
+$! 0.07 20120115 Triggered by work done by Alexey Chupahin completely redesigned
 $!               shared image creation
 $! 0.08 20120219 Make it work on VAX again, pre-load missing symbols to shared
 $!               image

os400/README400

@@ -3,7 +3,7 @@
 1) Download and unpack the zlib tarball to some IFS directory.
    (i.e.: /path/to/the/zlib/ifs/source/directory)
 
-   If the installed IFS command suppors gzip format, this is straightforward,
+   If the installed IFS command supports gzip format, this is straightforward,
 else you have to unpack first to some directory on a system supporting it,
 then move the whole directory to the IFS via the network (via SMB or FTP).
 
@@ -43,6 +43,6 @@ Notes:  For OS/400 ILE RPG programmers, a /copy member defining the ZLIB
 
         Remember that most foreign textual data are ASCII coded: this
                 implementation does not handle conversion from/to ASCII, so
-                text data code conversions must be done explicitely.
+                text data code conversions must be done explicitly.
 
         Mainly for the reason above, always open zipped files in binary mode.

trees.c

@@ -312,7 +312,7 @@ local void tr_static_init()
 }
 
 /* ===========================================================================
- * Genererate the file trees.h describing the static trees.
+ * Generate the file trees.h describing the static trees.
  */
 #ifdef GEN_TREES_H
 #  ifndef ZLIB_DEBUG

zlib.h

@@ -276,7 +276,7 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
   == 0), or after each call of deflate().  If deflate returns Z_OK and with
   zero avail_out, it must be called again after making room in the output
   buffer because there might be more output pending. See deflatePending(),
-  which can be used if desired to determine whether or not there is more ouput
+  which can be used if desired to determine whether or not there is more output
   in that case.
 
     Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to
@@ -660,7 +660,7 @@ ZEXTERN int ZEXPORT deflateGetDictionary OF((z_streamp strm,
    to dictionary.  dictionary must have enough space, where 32768 bytes is
    always enough.  If deflateGetDictionary() is called with dictionary equal to
    Z_NULL, then only the dictionary length is returned, and nothing is copied.
-   Similary, if dictLength is Z_NULL, then it is not set.
+   Similarly, if dictLength is Z_NULL, then it is not set.
 
      deflateGetDictionary() may return a length less than the window size, even
    when more than the window size in input has been provided. It may return up
@@ -915,7 +915,7 @@ ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm,
    to dictionary.  dictionary must have enough space, where 32768 bytes is
    always enough.  If inflateGetDictionary() is called with dictionary equal to
    Z_NULL, then only the dictionary length is returned, and nothing is copied.
-   Similary, if dictLength is Z_NULL, then it is not set.
+   Similarly, if dictLength is Z_NULL, then it is not set.
 
      inflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the
    stream state is inconsistent.
@@ -1437,12 +1437,12 @@ ZEXTERN z_size_t ZEXPORT gzfread OF((voidp buf, z_size_t size, z_size_t nitems,
 
      In the event that the end of file is reached and only a partial item is
    available at the end, i.e. the remaining uncompressed data length is not a
-   multiple of size, then the final partial item is nevetheless read into buf
+   multiple of size, then the final partial item is nevertheless read into buf
    and the end-of-file flag is set.  The length of the partial item read is not
    provided, but could be inferred from the result of gztell().  This behavior
    is the same as the behavior of fread() implementations in common libraries,
    but it prevents the direct use of gzfread() to read a concurrently written
-   file, reseting and retrying on end-of-file, when size is not 1.
+   file, resetting and retrying on end-of-file, when size is not 1.
 */
 
 ZEXTERN int ZEXPORT gzwrite OF((gzFile file, voidpc buf, unsigned len));

zlib2ansi

@@ -8,7 +8,7 @@
 
 # TODO
 #
-# Asumes no function pointer parameters. unless they are typedefed.
+# Assumes no function pointer parameters. unless they are typedefed.
 # Assumes no literal strings that look like function definitions
 # Assumes functions start at the beginning of a line
 
@@ -104,7 +104,7 @@ sub StripComments
 
   no warnings;
 
-  # Strip C & C++ coments
+  # Strip C & C++ comments
   # From the perlfaq
   $_[0] =~