analyzer: Fix tests for glibc 2.35 [PR101081]

In recent versions of glibc fopen has __attribute__((malloc)).
Since we can not detect wether this attribute is present or not,
we avoid including stdio.h and instead forward declare what we
need in each test.

Signed-off-by: Joel Teichroeb <joel@teichroeb.net>

gcc/testsuite/ChangeLog:
	PR analyzer/101081
	* gcc.dg/analyzer/analyzer-verbosity-2a.c: Replace #include of
	stdio.h with declarations needed by the test.
	* gcc.dg/analyzer/analyzer-verbosity-3a.c: Likewise.
	* gcc.dg/analyzer/edges-1.c: Likewise.
	* gcc.dg/analyzer/file-1.c: Likewise.
	* gcc.dg/analyzer/file-2.c: Likewise.
	* gcc.dg/analyzer/file-paths-1.c: Likewise.
	* gcc.dg/analyzer/file-pr58237.c: Likewise.
	* gcc.dg/analyzer/pr99716-1.c: Likewise.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>

gcc/testsuite/gcc.dg/analyzer/analyzer-verbosity-2a.c

@@ -1,6 +1,9 @@
 /* { dg-additional-options "-fanalyzer-verbosity=2" } */
 
-#include <stdio.h>
+typedef struct FILE   FILE;
+
+FILE* fopen (const char*, const char*);
+int   fclose (FILE*);
 
 extern int foo ();
 extern void bar ();

gcc/testsuite/gcc.dg/analyzer/analyzer-verbosity-3a.c

@@ -1,6 +1,9 @@
 /* { dg-additional-options "-fanalyzer-verbosity=3" } */
 
-#include <stdio.h>
+typedef struct FILE   FILE;
+
+FILE* fopen (const char*, const char*);
+int   fclose (FILE*);
 
 extern int foo ();
 extern void bar ();

gcc/testsuite/gcc.dg/analyzer/edges-1.c

@@ -1,4 +1,7 @@
-#include <stdio.h>
+typedef struct FILE   FILE;
+
+FILE* fopen (const char*, const char*);
+int   fclose (FILE*);
 
 extern int foo ();
 extern void bar ();

gcc/testsuite/gcc.dg/analyzer/file-1.c

@@ -1,4 +1,9 @@
-#include <stdio.h>
+typedef struct FILE   FILE;
+
+FILE* fopen (const char*, const char*);
+int   fclose (FILE*);
+#define SEEK_SET        0
+int fseek (FILE *, long int, int);
 
 void
 test_1 (const char *path)

gcc/testsuite/gcc.dg/analyzer/file-2.c

@@ -1,4 +1,7 @@
-#include <stdio.h>
+typedef struct FILE   FILE;
+
+FILE* fopen (const char*, const char*);
+int   fclose (FILE*);
 
 struct foo
 {

gcc/testsuite/gcc.dg/analyzer/file-paths-1.c

@@ -1,6 +1,13 @@
 /* { dg-additional-options "-fanalyzer-verbosity=3" } */
 
-#include <stdio.h>
+typedef struct FILE   FILE;
+
+FILE* fopen (const char*, const char*);
+int   fclose (FILE*);
+char *fgets (char *, int, FILE *);
+
+#define NULL ((void *)0)
+
 
 /* Verify that we correctly emit CFG events in the face of buffers
    being clobbered in these leak reports.  */

gcc/testsuite/gcc.dg/analyzer/file-pr58237.c

@@ -1,4 +1,10 @@
-#include <stdio.h>
+typedef struct FILE   FILE;
+
+FILE* fopen (const char*, const char*);
+int   fclose (FILE*);
+char *fgets (char *, int, FILE *);
+
+#define NULL ((void *)0)
 
 void f0(const char *str)
 {

gcc/testsuite/gcc.dg/analyzer/pr99716-1.c

@@ -1,5 +1,10 @@
-#include <stdio.h>
-#include <stdlib.h>
+typedef struct FILE   FILE;
+
+FILE* fopen (const char*, const char*);
+int   fclose (FILE*);
+int fprintf (FILE *, const char *, ...);
+
+#define NULL ((void *)0)
 
 void
 test_1 (void)