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/* PR middle-end/83131 - c-c++/common/attr-nonstring-3 failure for strcmp
tests on PowerPC
{ dg-do compile }
{ dg-options "-O2 -Wstringop-overflow -ftrack-macro-expansion=0" } */
#if __cplusplus
extern "C" {
#endif
typedef __SIZE_TYPE__ size_t;
extern int strcmp (const char*, const char*);
extern int strncmp (const char*, const char*, size_t);
#if __cplusplus
} /* extern "C" */
#endif
extern char arx[] __attribute__ ((nonstring));
extern char ar5[5] __attribute__ ((nonstring));
extern char str[];
enum { N = sizeof ar5 };
enum { X = sizeof ar5 + 1 };
int warn_strcmp_cst_1 (void)
{
return strcmp ("bar", arx); /* { dg-warning "argument 2 declared attribute .nonstring." } */
}
int warn_strcmp_cst_2 (void)
{
return strcmp (arx, "foo"); /* { dg-warning "argument 1 declared attribute .nonstring." } */
}
int warn_strncmp_cst_1 (void)
{
return strncmp ("12345", ar5, X); /* { dg-warning "argument 2 declared attribute .nonstring." } */
}
int warn_strncmp_cst_2 (void)
{
return strncmp (ar5, "12345", X); /* { dg-warning "argument 1 declared attribute .nonstring." } */
}
int nowarn_strncmp_cst_1 (void)
{
return strncmp ("12345", ar5, N);
}
int nowarn_strncmp_cst_2 (void)
{
return strncmp (ar5, "12345", N);
}
int warn_strncmp_var_1 (void)
{
return strncmp (str, ar5, X); /* { dg-warning "argument 2 declared attribute .nonstring." } */
}
int warn_strncmp_var_2 (void)
{
return strncmp (ar5, str, X); /* { dg-warning "argument 1 declared attribute .nonstring." } */
}
int nowarn_strncmp_var_1 (void)
{
return strncmp (str, ar5, N);
}
int nowarn_strncmp_var_2 (void)
{
return strncmp (ar5, str, N);
}
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