From: Nick Terrell <terrelln@fb.com>
Date: Fri, 28 Sep 2018 22:28:34 +0000 (-0700)
Subject: Fix minigzip in std=c99 mode
X-Git-Tag: v1.3.6^2~11^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1347%2Fhead;p=thirdparty%2Fzstd.git

Fix minigzip in std=c99 mode
---

diff --git a/zlibWrapper/examples/minigzip.c b/zlibWrapper/examples/minigzip.c
index 521d04711..f67be0956 100644
--- a/zlibWrapper/examples/minigzip.c
+++ b/zlibWrapper/examples/minigzip.c
@@ -18,6 +18,8 @@
 
 /* @(#) $Id$ */
 
+#define _POSIX_SOURCE /* fileno */
+
 #include "zstd_zlibwrapper.h"
 #include <stdio.h>
 
@@ -470,12 +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) {
@@ -510,11 +508,7 @@ void file_uncompress(file)
         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;
@@ -523,11 +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) {
@@ -565,11 +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], '/');