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authorUlrich Drepper <drepper@redhat.com>2000-09-15 17:35:04 +0000
committerUlrich Drepper <drepper@redhat.com>2000-09-15 17:35:04 +0000
commit917fd0616395f800489f223140967cb61a5a5765 (patch)
tree506087329db9e9601202f9d039ddebe2bbdceb2f /elf/next.c
parentea4d748699466c16acff05b7bc75fdda7ff3d8c2 (diff)
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Update.
2000-09-15 Ulrich Drepper <drepper@redhat.com> * elf/Makefile (distribute): Add nextmod1.c and nextmod2.c. (tests): Add next. (modules-names): Add nextmod1 and nextmod2. Add rules to build and run next. * elf/next.c: New file. * elf/nextmod1.c: New file. * elf/nextmod2.c: New file. 2000-09-14 Jakub Jelinek <jakub@redhat.com> * elf/dl-lookup.c (_dl_lookup_symbol_skip): Fix a typo.
Diffstat (limited to 'elf/next.c')
-rw-r--r--elf/next.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/elf/next.c b/elf/next.c
new file mode 100644
index 0000000..a7ca2bd
--- /dev/null
+++ b/elf/next.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+
+
+extern int successful_rtld_next_test (void);
+extern void *failing_rtld_next_use (void);
+
+
+int
+do_test (void)
+{
+ int result;
+ void *addr;
+
+ /* First try call a function which uses RTLD_NEXT and calls that
+ function. */
+ result = successful_rtld_next_test ();
+ if (result == 42)
+ {
+ puts ("RTLD_NEXT seems to work for existing functions");
+ result = 0;
+ }
+ else
+ {
+ printf ("Heh? `successful_rtld_next_test' returned %d\n", result);
+ result = 1;
+ }
+
+ /* Next try a function which tries to get a function with RTLD_NEXT
+ but that fails. This dlsym() call should return a NULL pointer
+ and do nothing else. */
+ addr = failing_rtld_next_use ();
+ if (addr == NULL)
+ puts ("dlsym returned NULL for non-existing function. Good");
+ else
+ {
+ puts ("dlsym found something !?");
+ result = 1;
+ }
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"