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/* PR tree-optimization/86853 - sprintf optimization for wide strings
doesn't account for conversion failure​
Exercise wide character handling in an EBCDIC execution charset.
{ dg-do compile }
{ dg-require-iconv "IBM1047" }
{ dg-options "-O2 -Wall -Wno-format -Wformat-overflow -fexec-charset=IBM1047 -fdump-tree-optimized" } */
typedef __WCHAR_TYPE__ wchar_t;
/* Exercise wide character constants. */
void test_lc_cst (void)
{
/* IBM1047 0x30 maps to ASCII 0x94 which neeed not be representable
in the current locale (and the snprintf() call may fail). Verify
that snprintf() doesn't assume it is. */
wchar_t wc = 0x30;
int n = __builtin_snprintf (0, 0, "%lc", wc);
if (n < 0)
__builtin_abort ();
}
void test_C_cst (void)
{
/* Same as above but for %C and 0x31 which maps to 0x95. */
wchar_t wc = 0x31;
int n = __builtin_snprintf (0, 0, "%C", wc);
if (n < 0)
__builtin_abort ();
}
/* Exercise wide character values in known ranges. */
void test_lc_range (wchar_t wc)
{
if (wc < 0x40 || 0x49 < wc)
wc = 0x40;
int n = __builtin_snprintf (0, 0, "%lc", wc);
if (n < 0)
__builtin_abort ();
}
void test_C_range (wchar_t wc)
{
if (wc < 0x41 || 0x48 < wc)
wc = 0x41;
int n = __builtin_snprintf (0, 0, "%C", wc);
if (n < 0)
__builtin_abort ();
}
/* Exercise unknown wide character values. */
void test_var (wchar_t wc)
{
int n = __builtin_snprintf (0, 0, "%lc", wc);
if (n < 0)
__builtin_abort ();
}
/* { dg-final { scan-tree-dump-times "abort" 5 "optimized" } } */
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