re PR libgomp/93219 (unused return value in affinity-fmt.c)

	PR libgomp/93219
	* libgomp.h (gomp_print_string): Change return type from void to int.
	* affinity-fmt.c (gomp_print_string): Likewise.  Return true if
	not all characters have been written.

From-SVN: r280137

libgomp/ChangeLog

+2020-01-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libgomp/93219
+	* libgomp.h (gomp_print_string): Change return type from void to int.
+	* affinity-fmt.c (gomp_print_string): Likewise.  Return true if
+	not all characters have been written.
+
 2020-01-08  Tobias Burnus  <tobias@codesourcery.com>
 
 	* libgomp.texi: Fix typos, use https.

libgomp/affinity-fmt.c

@@ -37,10 +37,10 @@
 #include <sys/utsname.h>
 #endif
 
-void
+bool
 gomp_print_string (const char *str, size_t len)
 {
-  fwrite (str, 1, len, stderr);
+  return fwrite (str, 1, len, stderr) != len;
 }
 
 void

libgomp/libgomp.h

@@ -832,7 +832,7 @@ extern void gomp_display_affinity_place (char *, size_t, size_t *, int);
 
 /* affinity-fmt.c */
 
-extern void gomp_print_string (const char *str, size_t len);
+extern bool gomp_print_string (const char *str, size_t len);
 extern void gomp_set_affinity_format (const char *, size_t);
 extern void gomp_display_string (char *, size_t, size_t *, const char *,
 				 size_t);