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-rw-r--r--gcc/testsuite/gcc.dg/Wmismatched-dealloc.c163
1 files changed, 119 insertions, 44 deletions
diff --git a/gcc/testsuite/gcc.dg/Wmismatched-dealloc.c b/gcc/testsuite/gcc.dg/Wmismatched-dealloc.c
index 7c5d6ac..6336efa 100644
--- a/gcc/testsuite/gcc.dg/Wmismatched-dealloc.c
+++ b/gcc/testsuite/gcc.dg/Wmismatched-dealloc.c
@@ -13,28 +13,27 @@ void free (void*);
void* malloc (size_t);
void* realloc (void*, size_t);
-int fclose (FILE*);
-FILE* freopen (const char*, const char*, FILE*);
-int pclose (FILE*);
-
-A (fclose) A (freopen, 3)
- FILE* fdopen (int);
-A (fclose) A (freopen, 3)
- FILE* fopen (const char*, const char*);
-A (fclose) A (freopen, 3)
- FILE* fmemopen(void *, size_t, const char *);
-A (fclose) A (freopen, 3)
- FILE* freopen (const char*, const char*, FILE*);
-A (pclose) A (freopen, 3)
- FILE* popen (const char*, const char*);
-A (fclose) A (freopen, 3)
- FILE* tmpfile (void);
+/* Declare functions with the minimum attributes malloc how they're
+ likely going to be declared in <stdio.h>. */
+ int fclose (FILE*);
+A (fclose) FILE* fdopen (int);
+A (fclose) FILE* fopen (const char*, const char*);
+A (fclose) FILE* fmemopen(void *, size_t, const char *);
+A (fclose) FILE* freopen (const char*, const char*, FILE*);
+A (freopen, 3) FILE* freopen (const char*, const char*, FILE*);
+A (fclose) FILE* tmpfile (void);
-void sink (FILE*);
+A (fclose) FILE* open_memstream (char**, size_t*);
+A (fclose) FILE* open_wmemstream (char**, size_t*);
+
+ int pclose (FILE*);
+A (pclose) FILE* popen (const char*, const char*);
+ void release (void*);
+A (release) FILE* acquire (void);
+
+void sink (FILE*);
- void release (void*);
-A (release) FILE* acquire (void);
void nowarn_fdopen (void)
{
@@ -68,18 +67,18 @@ void nowarn_fdopen (void)
void warn_fdopen (void)
{
{
- FILE *q = fdopen (0); // { dg-message "returned from a call to 'fdopen'" "note" }
+ FILE *q = fdopen (0); // { dg-message "returned from 'fdopen'" "note" }
sink (q);
release (q); // { dg-warning "'release' called on pointer returned from a mismatched allocation function" }
}
{
- FILE *q = fdopen (0); // { dg-message "returned from a call to 'fdopen'" "note" }
+ FILE *q = fdopen (0); // { dg-message "returned from 'fdopen'" "note" }
sink (q);
free (q); // { dg-warning "'free' called on pointer returned from a mismatched allocation function" }
}
{
- FILE *q = fdopen (0); // { dg-message "returned from a call to 'fdopen'" "note" }
+ FILE *q = fdopen (0); // { dg-message "returned from 'fdopen'" "note" }
sink (q);
q = realloc (q, 7); // { dg-warning "'realloc' called on pointer returned from a mismatched allocation function" }
sink (q);
@@ -132,43 +131,104 @@ void warn_fopen (void)
}
-void test_popen (void)
+void test_freopen (FILE *p[])
{
{
- FILE *p = popen ("1", "r");
+ FILE *q = freopen ("1", "r", p[0]);
+ sink (q);
+ fclose (q);
+ }
+ {
+ FILE *q = freopen ("2", "r", p[1]);
+ sink (q);
+ q = freopen ("3", "r", q);
+ sink (q);
+ fclose (q);
+ }
+
+ {
+ FILE *q;
+ q = freopen ("3", "r", p[2]); // { dg-message "returned from 'freopen'" }
+ sink (q);
+ q = realloc (q, 7); // { dg-warning "'realloc' called on pointer returned from a mismatched allocation function" }
+ sink (q);
+ }
+}
+
+
+void test_tmpfile (void)
+{
+ {
+ FILE *p = tmpfile ();
sink (p);
- pclose (p);
+ fclose (p);
}
{
- FILE *p;
- p = popen ("2", "r"); // { dg-message "returned from a call to 'popen'" "note" }
+ FILE *p = tmpfile ();
sink (p);
- fclose (p); // { dg-warning "'fclose' called on pointer returned from a mismatched allocation function" }
+ p = freopen ("1", "r", p);
+ sink (p);
+ fclose (p);
}
{
- /* freopen() can close a stream open by popen() but pclose() can't
- close the stream returned from freopen(). */
- FILE *p = popen ("2", "r");
+ FILE *p = tmpfile (); // { dg-message "returned from 'tmpfile'" "note" }
sink (p);
- p = freopen ("3", "r", p); // { dg-message "returned from a call to 'freopen'" "note" }
+ pclose (p); // { dg-warning "'pclose' called on pointer returned from a mismatched allocation function" }
+ }
+}
+
+
+void test_open_memstream (char **bufp, size_t *sizep)
+{
+ {
+ FILE *p = open_memstream (bufp, sizep);
+ sink (p);
+ fclose (p);
+ }
+
+ {
+ FILE *p = open_memstream (bufp, sizep);
+ sink (p);
+ p = freopen ("1", "r", p);
+ sink (p);
+ fclose (p);
+ }
+
+ {
+ FILE *p;
+ p = open_memstream (bufp, sizep); // { dg-message "returned from 'open_memstream'" "note" }
sink (p);
pclose (p); // { dg-warning "'pclose' called on pointer returned from a mismatched allocation function" }
}
+
+ {
+ FILE *p;
+ p = open_memstream (bufp, sizep); // { dg-message "returned from 'open_memstream'" "note" }
+ sink (p);
+ free (p); // { dg-warning "'free' called on pointer returned from a mismatched allocation function" }
+ }
+
+ {
+ FILE *p;
+ p = open_memstream (bufp, sizep); // { dg-message "returned from 'open_memstream'" "note" }
+ sink (p);
+ release (p); // { dg-warning "'release' called on pointer returned from a mismatched allocation function" }
+ }
}
-void test_tmpfile (void)
+void test_open_wmemstream (char **bufp, size_t *sizep)
{
{
- FILE *p = tmpfile ();
+ FILE *p = open_wmemstream (bufp, sizep);
sink (p);
fclose (p);
}
{
- FILE *p = tmpfile ();
+ FILE *p = open_wmemstream (bufp, sizep);
sink (p);
p = freopen ("1", "r", p);
sink (p);
@@ -176,29 +236,44 @@ void test_tmpfile (void)
}
{
- FILE *p = tmpfile (); // { dg-message "returned from a call to 'tmpfile'" "note" }
+ FILE *p;
+ p = open_wmemstream (bufp, sizep); // { dg-message "returned from 'open_wmemstream'" "note" }
sink (p);
pclose (p); // { dg-warning "'pclose' called on pointer returned from a mismatched allocation function" }
}
+
+ {
+ FILE *p;
+ p = open_wmemstream (bufp, sizep); // { dg-message "returned from 'open_wmemstream'" "note" }
+ sink (p);
+ free (p); // { dg-warning "'free' called on pointer returned from a mismatched allocation function" }
+ }
+
+ {
+ FILE *p;
+ p = open_wmemstream (bufp, sizep); // { dg-message "returned from 'open_wmemstream'" "note" }
+ sink (p);
+ release (p); // { dg-warning "'release' called on pointer returned from a mismatched allocation function" }
+ }
}
void warn_malloc (void)
{
{
- FILE *p = malloc (100); // { dg-message "returned from a call to 'malloc'" "note" }
+ FILE *p = malloc (100); // { dg-message "returned from 'malloc'" "note" }
sink (p);
fclose (p); // { dg-warning "'fclose' called on pointer returned from a mismatched allocation function" }
}
{
- FILE *p = malloc (100); // { dg-message "returned from a call to 'malloc'" "note" }
+ FILE *p = malloc (100); // { dg-message "returned from 'malloc'" "note" }
sink (p);
p = freopen ("1", "r", p);// { dg-warning "'freopen' called on pointer returned from a mismatched allocation function" }
}
{
- FILE *p = malloc (100); // { dg-message "returned from a call to 'malloc'" "note" }
+ FILE *p = malloc (100); // { dg-message "returned from 'malloc'" "note" }
sink (p);
pclose (p); // { dg-warning "'pclose' called on pointer returned from a mismatched allocation function" }
}
@@ -219,32 +294,32 @@ void test_acquire (void)
}
{
- FILE *p = acquire (); // { dg-message "returned from a call to 'acquire'" "note" }
+ FILE *p = acquire (); // { dg-message "returned from 'acquire'" "note" }
sink (p);
fclose (p); // { dg-warning "'fclose' called on pointer returned from a mismatched allocation function" }
}
{
- FILE *p = acquire (); // { dg-message "returned from a call to 'acquire'" "note" }
+ FILE *p = acquire (); // { dg-message "returned from 'acquire'" "note" }
sink (p);
pclose (p); // { dg-warning "'pclose' called on pointer returned from a mismatched allocation function" }
}
{
- FILE *p = acquire (); // { dg-message "returned from a call to 'acquire'" "note" }
+ FILE *p = acquire (); // { dg-message "returned from 'acquire'" "note" }
sink (p);
p = freopen ("1", "r", p); // { dg-warning "'freopen' called on pointer returned from a mismatched allocation function" }
sink (p);
}
{
- FILE *p = acquire (); // { dg-message "returned from a call to 'acquire'" "note" }
+ FILE *p = acquire (); // { dg-message "returned from 'acquire'" "note" }
sink (p);
free (p); // { dg-warning "'free' called on pointer returned from a mismatched allocation function" }
}
{
- FILE *p = acquire (); // { dg-message "returned from a call to 'acquire'" "note" }
+ FILE *p = acquire (); // { dg-message "returned from 'acquire'" "note" }
sink (p);
p = realloc (p, 123); // { dg-warning "'realloc' called on pointer returned from a mismatched allocation function" }
sink (p);
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