git subrepo pull (merge) --force deps/libchdr

[pcsx_rearmed.git] / deps / libchdr / deps / zstd-1.5.5 / zlibWrapper / examples / minigzip.c

diff --git a/deps/libchdr/deps/zlib-1.2.13/test/minigzip.c b/deps/libchdr/deps/zstd-1.5.5/zlibWrapper/examples/minigzip.c
similarity index 90%
rename from deps/libchdr/deps/zlib-1.2.13/test/minigzip.c
rename to deps/libchdr/deps/zstd-1.5.5/zlibWrapper/examples/minigzip.c
index a649d2b..717a94d 100644 (file)
--- a/deps/libchdr/deps/zlib-1.2.13/test/minigzip.c
+++ b/deps/libchdr/deps/zstd-1.5.5/zlibWrapper/examples/minigzip.c
@@ -1,6 +1,9 @@
+/* minigzip.c contains minimal changes required to be compiled with zlibWrapper:
+ * - #include "zlib.h" was changed to #include "zstd_zlibwrapper.h"        */
+
 /* minigzip.c -- simulate gzip using the zlib compression library
- * Copyright (C) 1995-2006, 2010, 2011, 2016 Jean-loup Gailly
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * Copyright (C) 1995-2006, 2010, 2011 Jean-loup Gailly.
+ * For conditions of distribution and use, see https://www.zlib.net/zlib_license.html
  */
 
 /*
@@ -15,7 +18,9 @@
 
 /* @(#) $Id$ */
 
-#include "zlib.h"
+#define _POSIX_SOURCE /* fileno */
+
+#include "zstd_zlibwrapper.h"
 #include <stdio.h>
 
 #ifdef STDC
@@ -40,7 +45,7 @@
 #  define SET_BINARY_MODE(file)
 #endif
 
-#if defined(_MSC_VER) && _MSC_VER < 1900
+#ifdef _MSC_VER
 #  define snprintf _snprintf
 #endif
 
@@ -59,7 +64,7 @@
 
 #if !defined(Z_HAVE_UNISTD_H) && !defined(_LARGEFILE64_SOURCE)
 #ifndef WIN32 /* unlink already in stdio.h for WIN32 */
-  extern int unlink OF((const char *));
+  extern int unlink _Z_OF((const char *));
 #endif
 #endif
 
@@ -149,21 +154,21 @@ static void pwinerror (s)
 #  include <unistd.h>       /* for unlink() */
 #endif
 
-void *myalloc OF((void *, unsigned, unsigned));
-void myfree OF((void *, void *));
+void *myalloc _Z_OF((void *, unsigned, unsigned));
+void myfree _Z_OF((void *, void *));
 
 void *myalloc(q, n, m)
     void *q;
     unsigned n, m;
 {
-    (void)q;
+    q = Z_NULL;
     return calloc(n, m);
 }
 
 void myfree(q, p)
     void *q, *p;
 {
-    (void)q;
+    q = Z_NULL;
     free(p);
 }
 
@@ -175,9 +180,9 @@ typedef struct gzFile_s {
     z_stream strm;
 } *gzFile;
 
-gzFile gzopen OF((const char *, const char *));
-gzFile gzdopen OF((int, const char *));
-gzFile gz_open OF((const char *, int, const char *));
+gzFile gzopen _Z_OF((const char *, const char *));
+gzFile gzdopen _Z_OF((int, const char *));
+gzFile gz_open _Z_OF((const char *, int, const char *));
 
 gzFile gzopen(path, mode)
 const char *path;
@@ -231,7 +236,7 @@ gzFile gz_open(path, fd, mode)
     return gz;
 }
 
-int gzwrite OF((gzFile, const void *, unsigned));
+int gzwrite _Z_OF((gzFile, const void *, unsigned));
 
 int gzwrite(gz, buf, len)
     gzFile gz;
@@ -255,7 +260,7 @@ int gzwrite(gz, buf, len)
     return len;
 }
 
-int gzread OF((gzFile, void *, unsigned));
+int gzread _Z_OF((gzFile, void *, unsigned));
 
 int gzread(gz, buf, len)
     gzFile gz;
@@ -292,7 +297,7 @@ int gzread(gz, buf, len)
     return len - strm->avail_out;
 }
 
-int gzclose OF((gzFile));
+int gzclose _Z_OF((gzFile));
 
 int gzclose(gz)
     gzFile gz;
@@ -321,7 +326,7 @@ int gzclose(gz)
     return Z_OK;
 }
 
-const char *gzerror OF((gzFile, int *));
+const char *gzerror _Z_OF((gzFile, int *));
 
 const char *gzerror(gz, err)
     gzFile gz;
@@ -333,17 +338,17 @@ const char *gzerror(gz, err)
 
 #endif
 
-static char *prog;
+char *prog;
 
-void error            OF((const char *msg));
-void gz_compress      OF((FILE   *in, gzFile out));
+void error            _Z_OF((const char *msg));
+void gz_compress      _Z_OF((FILE   *in, gzFile out));
 #ifdef USE_MMAP
-int  gz_compress_mmap OF((FILE   *in, gzFile out));
+int  gz_compress_mmap _Z_OF((FILE   *in, gzFile out));
 #endif
-void gz_uncompress    OF((gzFile in, FILE   *out));
-void file_compress    OF((char  *file, char *mode));
-void file_uncompress  OF((char  *file));
-int  main             OF((int argc, char *argv[]));
+void gz_uncompress    _Z_OF((gzFile in, FILE   *out));
+void file_compress    _Z_OF((char  *file, char *mode));
+void file_uncompress  _Z_OF((char  *file));
+int  main             _Z_OF((int argc, char *argv[]));
 
 /* ===========================================================================
  * Display error message and exit
@@ -467,12 +472,8 @@ void file_compress(file, mode)
         exit(1);
     }
 
-#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
-    snprintf(outfile, sizeof(outfile), "%s%s", file, GZ_SUFFIX);
-#else
     strcpy(outfile, file);
     strcat(outfile, GZ_SUFFIX);
-#endif
 
     in = fopen(file, "rb");
     if (in == NULL) {
@@ -500,18 +501,14 @@ void file_uncompress(file)
     char *infile, *outfile;
     FILE  *out;
     gzFile in;
-    z_size_t len = strlen(file);
+    size_t len = strlen(file);
 
     if (len + strlen(GZ_SUFFIX) >= sizeof(buf)) {
         fprintf(stderr, "%s: filename too long\n", prog);
         exit(1);
     }
 
-#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
-    snprintf(buf, sizeof(buf), "%s", file);
-#else
     strcpy(buf, file);
-#endif
 
     if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
         infile = file;
@@ -520,11 +517,7 @@ void file_uncompress(file)
     } else {
         outfile = file;
         infile = buf;
-#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
-        snprintf(buf + len, sizeof(buf) - len, "%s", GZ_SUFFIX);
-#else
         strcat(infile, GZ_SUFFIX);
-#endif
     }
     in = gzopen(infile, "rb");
     if (in == NULL) {
@@ -562,11 +555,7 @@ int main(argc, argv)
     gzFile file;
     char *bname, outmode[20];
 
-#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
-    snprintf(outmode, sizeof(outmode), "%s", "wb6 ");
-#else
     strcpy(outmode, "wb6 ");
-#endif
 
     prog = argv[0];
     bname = strrchr(argv[0], '/');