91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <locale.h>
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#include <string.h>
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#include <libc-diag.h>
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static int
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do_test (void)
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{
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char buf[100];
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int result = 0;
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if (sprintf (buf, "%.0ls", L"foo") != 0
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|| strlen (buf) != 0)
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{
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puts ("sprintf (buf, \"%.0ls\", L\"foo\") produced some output");
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result = 1;
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}
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#define SIZE (1024*70000)
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#define STR(x) #x
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char *dst = malloc (SIZE + 1);
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if (dst == NULL)
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{
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puts ("memory allocation failure");
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result = 1;
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}
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else
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{
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sprintf (dst, "%*s", SIZE, "");
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if (strnlen (dst, SIZE + 1) != SIZE)
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{
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puts ("sprintf (dst, \"%*s\", " STR(SIZE) ", \"\") did not produce enough output");
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result = 1;
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}
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free (dst);
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}
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if (sprintf (buf, "%1$d%3$.*2$s%4$d", 7, 67108863, "x", 8) != 3
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|| strcmp (buf, "7x8") != 0)
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{
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printf ("sprintf (buf, \"%%1$d%%3$.*2$s%%4$d\", 7, 67108863, \"x\", 8) produced `%s' output", buf);
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result = 1;
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}
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/* We are testing a corner case of the sprintf format string here. */
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DIAG_PUSH_NEEDS_COMMENT;
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DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
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int n = sprintf (buf, "%67108863.16\"%d", 7);
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DIAG_POP_NEEDS_COMMENT;
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if (n != 14 || strcmp (buf, "%67108863.16\"7") != 0)
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{
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printf ("sprintf (buf, \"%%67108863.16\\\"%%d\", 7) produced `%s' output",
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buf);
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result = 1;
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}
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/* We are testing a corner case of the sprintf format string here. */
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DIAG_PUSH_NEEDS_COMMENT;
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DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
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n = sprintf (buf, "%*\"%d", 0x3ffffff, 7);
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DIAG_POP_NEEDS_COMMENT;
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if (n != 11 || strcmp (buf, "%67108863\"7") != 0)
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{
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printf ("sprintf (buf, \"%%*\\\"%%d\", 0x3ffffff, 7) produced `%s' output", buf);
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result = 1;
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}
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if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
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{
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puts ("cannot set locale");
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result = 1;
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}
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else if (sprintf (buf, "%.8s\n", "Foo: \277") != 7
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|| strcmp (buf, "Foo: \277\n") != 0)
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{
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printf ("sprintf (buf, \"%%.8s\\n\", \"Foo: \\277\") produced '%s' output\n", buf);
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result = 1;
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}
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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