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Added galloca.c.

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Fri Jan 22 16:51:44 EST 1999  Jeff Garzik  <jgarzik@pobox.com>

        * Makefile.am:
        Added galloca.c.

        * galloca.c:
        Compile even if G_NATIVE_ALLOCA is not defined.

        * tests/alloca-test.c:
        Always test internal alloca replacement too, even if we have a
        working alloca.
        Make tests a little bit better by adding recursion
        (more stack activity).
This commit is contained in:
EST 1999 Jeff Garzik 1999-01-22 21:55:22 +00:00 committed by Jeff Garzik
parent 0d0f178c09
commit 9f88f52e57
12 changed files with 165 additions and 9 deletions
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14
ChangeLog
View File

@ -1,3 +1,17 @@
Fri Jan 22 16:51:44 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* Makefile.am:
Added galloca.c.
* galloca.c:
Compile even if G_NATIVE_ALLOCA is not defined.
* tests/alloca-test.c:
Always test internal alloca replacement too, even if we have a
working alloca.
Make tests a little bit better by adding recursion
(more stack activity).
Fri Jan 22 13:41:41 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* configure.in:

14
ChangeLog.pre-2-0
View File

@ -1,3 +1,17 @@
Fri Jan 22 16:51:44 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* Makefile.am:
Added galloca.c.
* galloca.c:
Compile even if G_NATIVE_ALLOCA is not defined.
* tests/alloca-test.c:
Always test internal alloca replacement too, even if we have a
working alloca.
Make tests a little bit better by adding recursion
(more stack activity).
Fri Jan 22 13:41:41 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* configure.in:

14
ChangeLog.pre-2-10
View File

@ -1,3 +1,17 @@
Fri Jan 22 16:51:44 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* Makefile.am:
Added galloca.c.
* galloca.c:
Compile even if G_NATIVE_ALLOCA is not defined.
* tests/alloca-test.c:
Always test internal alloca replacement too, even if we have a
working alloca.
Make tests a little bit better by adding recursion
(more stack activity).
Fri Jan 22 13:41:41 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* configure.in:

14
ChangeLog.pre-2-12
View File

@ -1,3 +1,17 @@
Fri Jan 22 16:51:44 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* Makefile.am:
Added galloca.c.
* galloca.c:
Compile even if G_NATIVE_ALLOCA is not defined.
* tests/alloca-test.c:
Always test internal alloca replacement too, even if we have a
working alloca.
Make tests a little bit better by adding recursion
(more stack activity).
Fri Jan 22 13:41:41 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* configure.in:

14
ChangeLog.pre-2-2
View File

@ -1,3 +1,17 @@
Fri Jan 22 16:51:44 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* Makefile.am:
Added galloca.c.
* galloca.c:
Compile even if G_NATIVE_ALLOCA is not defined.
* tests/alloca-test.c:
Always test internal alloca replacement too, even if we have a
working alloca.
Make tests a little bit better by adding recursion
(more stack activity).
Fri Jan 22 13:41:41 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* configure.in:

14
ChangeLog.pre-2-4
View File

@ -1,3 +1,17 @@
Fri Jan 22 16:51:44 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* Makefile.am:
Added galloca.c.
* galloca.c:
Compile even if G_NATIVE_ALLOCA is not defined.
* tests/alloca-test.c:
Always test internal alloca replacement too, even if we have a
working alloca.
Make tests a little bit better by adding recursion
(more stack activity).
Fri Jan 22 13:41:41 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* configure.in:

14
ChangeLog.pre-2-6
View File

@ -1,3 +1,17 @@
Fri Jan 22 16:51:44 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* Makefile.am:
Added galloca.c.
* galloca.c:
Compile even if G_NATIVE_ALLOCA is not defined.
* tests/alloca-test.c:
Always test internal alloca replacement too, even if we have a
working alloca.
Make tests a little bit better by adding recursion
(more stack activity).
Fri Jan 22 13:41:41 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* configure.in:

14
ChangeLog.pre-2-8
View File

@ -1,3 +1,17 @@
Fri Jan 22 16:51:44 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* Makefile.am:
Added galloca.c.
* galloca.c:
Compile even if G_NATIVE_ALLOCA is not defined.
* tests/alloca-test.c:
Always test internal alloca replacement too, even if we have a
working alloca.
Make tests a little bit better by adding recursion
(more stack activity).
Fri Jan 22 13:41:41 EST 1999 Jeff Garzik <jgarzik@pobox.com>
* configure.in:

1
Makefile.am
View File

@ -27,6 +27,7 @@ EXTRA_DIST = \
lib_LTLIBRARIES = libglib.la
libglib_la_SOURCES = \
galloca.c \
garray.c \
gcache.c \
gcompletion.c \

8
galloca.c
View File

@ -34,9 +34,6 @@
#ifndef G_NATIVE_ALLOCA
/* If your stack is a linked list of frames, you have to
provide an "address metric" ADDRESS_FUNCTION macro. */
@ -150,7 +147,7 @@ _g_alloca (guint size)
{
header *np = hp->h.next;
g_free ((gpointer) hp); /* Collect garbage. */
free ((gpointer) hp); /* Collect garbage. */
hp = np; /* -> next header. */
}
@ -168,7 +165,7 @@ _g_alloca (guint size)
{
/* GLib: use mem chunks here? */
gpointer new = g_malloc (sizeof (header) + size);
gpointer new = malloc (sizeof (header) + size);
/* Address of header. */
if (new == 0)
@ -453,4 +450,3 @@ i00afunc (long address)
#endif /* not CRAY2 */
#endif /* CRAY */
#endif /* !G_NATIVE_ALLOCA */

1
glib/Makefile.am
View File

@ -27,6 +27,7 @@ EXTRA_DIST = \
lib_LTLIBRARIES = libglib.la
libglib_la_SOURCES = \
galloca.c \
garray.c \
gcache.c \
gcompletion.c \

52
tests/alloca-test.c
View File

@ -15,29 +15,75 @@ struct test_t {
};
void test_alloca (void)
void test_alloca (gint recursions)
{
gpointer data;
struct test_t *t;
data = g_alloca (15);
g_assert (data != NULL);
strcpy ((char *) data, "blah blah blah");
g_assert (strcmp ((char *) data, "blah blah blah") == 0);
t = g_alloca_new (struct test_t, 1);
g_assert (t != NULL);
t->age = 142;
t->stuph = 0xBEDAC0ED;
strcpy (t->name, "nyognyou hoddypeak");
g_assert (t->stuph == 0xBEDAC0ED);
g_assert (strcmp (t->name, "nyognyou hoddypeak") == 0);
if (recursions > 0)
test_alloca (recursions - 1);
g_assert (strcmp ((char *) data, "blah blah blah") == 0);
g_assert (t->stuph == 0xBEDAC0ED);
g_assert (strcmp (t->name, "nyognyou hoddypeak") == 0);
}
/* prototype in case we have regular alloca as well */
gpointer _g_alloca (guint size);
void test_alloca_replacement (gint recursions)
{
gpointer data;
struct test_t *t;
data = _g_alloca (15);
g_assert (data != NULL);
strcpy ((char *) data, "blah blah blah");
g_assert (strcmp ((char *) data, "blah blah blah") == 0);
t = (struct test_t *) _g_alloca (sizeof (struct test_t));
g_assert (t != NULL);
t->age = 142;
t->stuph = 0xBEDAC0ED;
strcpy (t->name, "nyognyou hoddypeak");
g_assert (t->stuph == 0xBEDAC0ED);
g_assert (strcmp (t->name, "nyognyou hoddypeak") == 0);
if (recursions > 0)
test_alloca_replacement (recursions - 1);
g_assert (strcmp ((char *) data, "blah blah blah") == 0);
g_assert (t->stuph == 0xBEDAC0ED);
g_assert (strcmp (t->name, "nyognyou hoddypeak") == 0);
}
const int AllocaTestIterations = 3;
int main()
{
test_alloca ();
int i;
g_alloca_gc ();
for (i = 0; i < AllocaTestIterations; i++) {
test_alloca (3);
test_alloca_replacement (3);
g_alloca_gc ();
_g_alloca (0);
}
return 0;
}