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-rw-r--r--REORG.TODO/stdio-common/tst-sprintf.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/tst-sprintf.c b/REORG.TODO/stdio-common/tst-sprintf.c
new file mode 100644
index 0000000000..cbd35447a9
--- /dev/null
+++ b/REORG.TODO/stdio-common/tst-sprintf.c
@@ -0,0 +1,90 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <locale.h>
+#include <string.h>
+#include <libc-diag.h>
+
+
+static int
+do_test (void)
+{
+ char buf[100];
+ int result = 0;
+
+ if (sprintf (buf, "%.0ls", L"foo") != 0
+ || strlen (buf) != 0)
+ {
+ puts ("sprintf (buf, \"%.0ls\", L\"foo\") produced some output");
+ result = 1;
+ }
+
+#define SIZE (1024*70000)
+#define STR(x) #x
+
+ char *dst = malloc (SIZE + 1);
+
+ if (dst == NULL)
+ {
+ puts ("memory allocation failure");
+ result = 1;
+ }
+ else
+ {
+ sprintf (dst, "%*s", SIZE, "");
+ if (strnlen (dst, SIZE + 1) != SIZE)
+ {
+ puts ("sprintf (dst, \"%*s\", " STR(SIZE) ", \"\") did not produce enough output");
+ result = 1;
+ }
+ free (dst);
+ }
+
+ if (sprintf (buf, "%1$d%3$.*2$s%4$d", 7, 67108863, "x", 8) != 3
+ || strcmp (buf, "7x8") != 0)
+ {
+ printf ("sprintf (buf, \"%%1$d%%3$.*2$s%%4$d\", 7, 67108863, \"x\", 8) produced `%s' output", buf);
+ result = 1;
+ }
+
+ /* We are testing a corner case of the sprintf format string here. */
+ DIAG_PUSH_NEEDS_COMMENT;
+ DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
+ int n = sprintf (buf, "%67108863.16\"%d", 7);
+ DIAG_POP_NEEDS_COMMENT;
+
+ if (n != 14 || strcmp (buf, "%67108863.16\"7") != 0)
+ {
+ printf ("sprintf (buf, \"%%67108863.16\\\"%%d\", 7) produced `%s' output",
+ buf);
+ result = 1;
+ }
+
+ /* We are testing a corner case of the sprintf format string here. */
+ DIAG_PUSH_NEEDS_COMMENT;
+ DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
+ n = sprintf (buf, "%*\"%d", 0x3ffffff, 7);
+ DIAG_POP_NEEDS_COMMENT;
+
+ if (n != 11 || strcmp (buf, "%67108863\"7") != 0)
+ {
+ printf ("sprintf (buf, \"%%*\\\"%%d\", 0x3ffffff, 7) produced `%s' output", buf);
+ result = 1;
+ }
+
+ if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
+ {
+ puts ("cannot set locale");
+ result = 1;
+ }
+ else if (sprintf (buf, "%.8s\n", "Foo: \277") != 7
+ || strcmp (buf, "Foo: \277\n") != 0)
+ {
+ printf ("sprintf (buf, \"%%.8s\\n\", \"Foo: \\277\") produced '%s' output\n", buf);
+ result = 1;
+ }
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"