Fix C89 compliance

modelica · Apr 9, 2021 · d18170d · d18170d
1 parent f30a6ea
commit d18170d
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/Modelica/Resources/C-Sources/ModelicaInternal.c b/Modelica/Resources/C-Sources/ModelicaInternal.c
@@ -132,6 +132,10 @@
                      ModelicaInternal_getFullPath
 */
 
+#if defined(__gnu_linux__) && !defined(NO_FILE_SYSTEM)
+#define _GNU_SOURCE 1
+#endif
+
 #include "ModelicaInternal.h"
 #include "ModelicaUtilities.h"
 

diff --git a/Modelica/Resources/C-Sources/snprintf.c b/Modelica/Resources/C-Sources/snprintf.c
@@ -522,7 +522,7 @@ static UINTMAX_T cast(LDOUBLE);
 static UINTMAX_T myround(LDOUBLE);
 static LDOUBLE mypow10(int);
 
-//extern int errno;
+/*extern int errno;*/
 
 int
 rpl_vsnprintf(char *str, size_t size, const char *format, va_list args)

diff --git a/Modelica/Resources/C-Sources/zlib/gzguts.h b/Modelica/Resources/C-Sources/zlib/gzguts.h
@@ -101,6 +101,9 @@
 #  ifdef __MVS__
 #    define NO_vsnprintf
 #  endif
+#  ifndef STDC99
+#    define NO_vsnprintf
+#  endif
 #endif
 
 /* unlike snprintf (which is required in C99), _snprintf does not guarantee