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/* Copyright (C) 2001 Free Software Foundation.
Ensure all expected transformations of builtin fprintf occur and
that we honor side effects in the arguments.
Written by Kaveh R. Ghazi, 1/7/2001. */
#include <stdio.h>
extern int fprintf_unlocked (FILE *, const char *, ...);
extern void abort(void);
void
main_test (void)
{
FILE *s_array[] = {stdout, NULL}, **s_ptr = s_array;
const char *const s1 = "hello world";
const char *const s2[] = { s1, 0 }, *const*s3;
fprintf (*s_ptr, "");
fprintf (*s_ptr, "%s", "");
fprintf (*s_ptr, "%s", "hello");
fprintf (*s_ptr, "%s", "\n");
fprintf (*s_ptr, "%s", *s2);
s3 = s2;
fprintf (*s_ptr, "%s", *s3++);
if (s3 != s2+1 || *s3 != 0)
abort();
s3 = s2;
fprintf (*s_ptr++, "%s", *s3++);
if (s3 != s2+1 || *s3 != 0 || s_ptr != s_array+1 || *s_ptr != 0)
abort();
s_ptr = s_array;
fprintf (*s_ptr, "%c", '\n');
fprintf (*s_ptr, "%c", **s2);
s3 = s2;
fprintf (*s_ptr, "%c", **s3++);
if (s3 != s2+1 || *s3 != 0)
abort();
s3 = s2;
fprintf (*s_ptr++, "%c", **s3++);
if (s3 != s2+1 || *s3 != 0 || s_ptr != s_array+1 || *s_ptr != 0)
abort();
s_ptr = s_array;
fprintf (*s_ptr++, "hello world");
if (s_ptr != s_array+1 || *s_ptr != 0)
abort();
s_ptr = s_array;
fprintf (*s_ptr, "\n");
/* Test at least one instance of the __builtin_ style. We do this
to ensure that it works and that the prototype is correct. */
__builtin_fprintf (*s_ptr, "%s", "hello world\n");
/* Check the unlocked style, these evaluate to nothing to avoid
problems on systems without the unlocked functions. */
fprintf_unlocked (*s_ptr, "");
__builtin_fprintf_unlocked (*s_ptr, "");
fprintf_unlocked (*s_ptr, "%s", "");
__builtin_fprintf_unlocked (*s_ptr, "%s", "");
}
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