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glibc/stdio-common/bug23-3.c
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#include <stdio.h> | |
#include <string.h> | |
#include <stdlib.h> | |
int | |
do_test (void) | |
{ | |
size_t instances = 16384; | |
#define X0 "\n%1$s\n" "%1$s" "%2$s" "%2$s" "%3$s" "%4$s" "%5$d" "%5$d" | |
const char *item = "\na\nabbcd55"; | |
#define X3 X0 X0 X0 X0 X0 X0 X0 X0 | |
#define X6 X3 X3 X3 X3 X3 X3 X3 X3 | |
#define X9 X6 X6 X6 X6 X6 X6 X6 X6 | |
#define X12 X9 X9 X9 X9 X9 X9 X9 X9 | |
#define X14 X12 X12 X12 X12 | |
#define TRAILER "%%%%%%%%%%%%%%%%%%%%%%%%%%" | |
#define TRAILER2 TRAILER TRAILER | |
size_t length = instances * strlen (item) + strlen (TRAILER) + 1; | |
char *buf = malloc (length + 1); | |
snprintf (buf, length + 1, | |
X14 TRAILER2 "\n", | |
"a", "b", "c", "d", 5); | |
const char *p = buf; | |
size_t i; | |
for (i = 0; i < instances; ++i) | |
{ | |
const char *expected; | |
for (expected = item; *expected; ++expected) | |
{ | |
if (*p != *expected) | |
{ | |
printf ("mismatch at offset %zu (%zu): expected %d, got %d\n", | |
(size_t) (p - buf), i, *expected & 0xFF, *p & 0xFF); | |
return 1; | |
} | |
++p; | |
} | |
} | |
if (strcmp (p, TRAILER "\n") != 0) | |
{ | |
printf ("mismatch at trailer: [%s]\n", p); | |
return 1; | |
} | |
free (buf); | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |