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-rw-r--r--test/stdio/Makefile.in4
-rw-r--r--test/stdio/tst-fmemopen.c53
2 files changed, 57 insertions, 0 deletions
diff --git a/test/stdio/Makefile.in b/test/stdio/Makefile.in
index 0bfbd1362..14b5f19b9 100644
--- a/test/stdio/Makefile.in
+++ b/test/stdio/Makefile.in
@@ -2,3 +2,7 @@
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
DODIFF_64bit := 1
+
+ifeq ($(UCLIBC_HAS_GLIBC_CUSTOM_STREAMS),)
+TESTS_DISABLED += tst-fmemopen
+endif
diff --git a/test/stdio/tst-fmemopen.c b/test/stdio/tst-fmemopen.c
new file mode 100644
index 000000000..384faa1c9
--- /dev/null
+++ b/test/stdio/tst-fmemopen.c
@@ -0,0 +1,53 @@
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static char *text_input = "1 23 43";
+
+static const char *good_answer = "1 529 1849 ";
+
+
+static int
+do_test (void)
+{
+ FILE *out, *in;
+ int v, s;
+ size_t size;
+ char *ptr;
+
+ in = fmemopen(text_input, strlen(text_input), "r");
+ if (in == NULL) {
+ perror("fmemopen");
+ return 1;
+ }
+
+ out = open_memstream(&ptr, &size);
+ if (out == NULL) {
+ perror("open_memstream");
+ return 1;
+ }
+
+ for (;;) {
+ s = fscanf(in, "%d", &v);
+ if (s <= 0)
+ break;
+
+ s = fprintf(out, "%d ", v * v);
+ if (s == -1) {
+ puts("fprintf failed");
+ exit(1);
+ }
+ }
+ fclose(in);
+ fclose(out);
+
+ if (size != strlen(good_answer) || strcmp(good_answer, ptr) != 0) {
+ printf("failed: size=%zu; ptr=%s\n", size, ptr);
+ exit(1);
+ }
+ free(ptr);
+ exit(0);
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"