diff options
author | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-10-24 20:22:12 +0200 |
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committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-10-24 20:22:12 +0200 |
commit | 7988979a722b4cdf287b2093956a76a3f19b9897 (patch) | |
tree | d35e251d0472ceca55a2eef61cff261c8ee68fab /test/dlopen/dltest.c |
add uClibc-ng test directory
Diffstat (limited to 'test/dlopen/dltest.c')
-rw-r--r-- | test/dlopen/dltest.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/dlopen/dltest.c b/test/dlopen/dltest.c new file mode 100644 index 0000000..a0fac90 --- /dev/null +++ b/test/dlopen/dltest.c @@ -0,0 +1,41 @@ +#include <fcntl.h> +#include <stdlib.h> +#include <stdio.h> +#include <dlfcn.h> +#include <stdint.h> + +int main(int argc, char **argv) +{ + int ret = EXIT_SUCCESS; + void *handle; + void (*mydltest)(void *value1, void *value2); + char *error; + uint32_t *value1, *value2; + + handle = dlopen (LIBNAME, RTLD_LAZY); + if (!handle) { + fprintf(stderr, "Could not open ./%s: %s\n", LIBNAME, dlerror()); + exit(1); + } + + mydltest = dlsym(handle, "dltest"); + if ((error = dlerror()) != NULL) { + fprintf(stderr, "Could not locate symbol 'dltest': %s\n", error); + exit(1); + } + + mydltest(&value1, &value2); + printf("dltest: pthread_once=%p\n", value1); + printf("dltest: pthread_self=%p\n", value2); + if (value1 == value2) { + ret = EXIT_FAILURE; + printf("dltest: values should NOT be equal Weak values resolved incorrectly!\n"); + } else { + printf("dltest: weak symbols resolved correctly.\n"); + } + + dlclose(handle); + + return ret; +} + |