diff options
Diffstat (limited to 'modules/zlib/src/gzguts.h')
| -rw-r--r-- | modules/zlib/src/gzguts.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/modules/zlib/src/gzguts.h b/modules/zlib/src/gzguts.h index d87659d03..990a4d251 100644 --- a/modules/zlib/src/gzguts.h +++ b/modules/zlib/src/gzguts.h @@ -1,5 +1,5 @@ /* gzguts.h -- zlib internal header definitions for gz* operations - * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler + * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013, 2016 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -25,6 +25,10 @@ # include <stdlib.h> # include <limits.h> #endif + +#ifndef _POSIX_SOURCE +# define _POSIX_SOURCE +#endif #include <fcntl.h> #ifdef _WIN32 @@ -35,6 +39,10 @@ # include <io.h> #endif +#if defined(_WIN32) || defined(__CYGWIN__) +# define WIDECHAR +#endif + #ifdef WINAPI_FAMILY # define open _open # define read _read @@ -95,18 +103,19 @@ # endif #endif -/* unlike snprintf (which is required in C99, yet still not supported by - Microsoft more than a decade later!), _snprintf does not guarantee null - termination of the result -- however this is only used in gzlib.c where +/* unlike snprintf (which is required in C99), _snprintf does not guarantee + null termination of the result -- however this is only used in gzlib.c where the result is assured to fit in the space provided */ -#ifdef _MSC_VER +#if defined(_MSC_VER) && _MSC_VER < 1900 # define snprintf _snprintf #endif #ifndef local # define local static #endif -/* compile with -Dlocal if your debugger can't find static symbols */ +/* since "static" is used to mean two completely different things in C, we + define "local" for the non-static meaning of "static", for readability + (compile with -Dlocal if your debugger can't find static symbols) */ /* gz* functions always use library allocation functions */ #ifndef STDC @@ -170,7 +179,7 @@ typedef struct { char *path; /* path or fd for error messages */ unsigned size; /* buffer size, zero if not allocated yet */ unsigned want; /* requested buffer size, default is GZBUFSIZE */ - unsigned char *in; /* input buffer */ + unsigned char *in; /* input buffer (double-sized when writing) */ unsigned char *out; /* output buffer (double-sized when reading) */ int direct; /* 0 if processing gzip, 1 if transparent */ /* just for reading */ |