From: Sebastian Pop <s.pop@samsung.com>
Date: Fri, 7 Dec 2018 18:39:59 +0000 (-0600)
Subject: remove build warning about 'fdopen'
X-Git-Tag: 1.9.9-b1~597
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=59476a9cb490bb168fc9555c247739ded3fbcb01;p=thirdparty%2Fzlib-ng.git

remove build warning about 'fdopen'

zlib-ng/test/fuzz/minigzip_fuzzer.c:153:31: warning: implicit declaration of function 'fdopen' is invalid in C99 [-Wimplicit-function-declaration]
    gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb") :
                              ^
zlib-ng/test/fuzz/minigzip_fuzzer.c:153:29: warning: pointer/integer type mismatch in conditional expression ('int' and 'FILE *' (aka 'struct _IO_FILE *'))
      [-Wconditional-type-mismatch]
    gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb") :
                            ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
---

diff --git a/test/fuzz/minigzip_fuzzer.c b/test/fuzz/minigzip_fuzzer.c
index 375bab588..73d25bb47 100644
--- a/test/fuzz/minigzip_fuzzer.c
+++ b/test/fuzz/minigzip_fuzzer.c
@@ -150,8 +150,15 @@ gzFile gz_open(const char *path, int fd, const char *mode)
         free(gz);
         return NULL;
     }
-    gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb") :
-                              fopen(path, gz->write ? "wb" : "rb");
+#if _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_SOURCE
+    gz->file = path == NULL ? fdopen(fd, gz->write ? "wb" : "rb")
+                            : fopen(path, gz->write ? "wb" : "rb");
+#else
+    /* fdopen is not available in C99. */
+    if (path == NULL)
+      exit(1);
+    gz->file = fopen(path, gz->write ? "wb" : "rb");
+#endif
     if (gz->file == NULL) {
         gz->write ? PREFIX(deflateEnd)(&(gz->strm)) : PREFIX(inflateEnd)(&(gz->strm));
         free(gz);