/* PR middle-end/88771 - Misleading -Werror=array-bounds error Verify that the warning issued for calls to "bounded" string functions is -Wstringop-overflow with the right wording. { dg-do compile } { dg-options "-O2 -Wall" } */ #define PTRDIFF_MAX __PTRDIFF_MAX__ #define SIZE_MAX __SIZE_MAX__ typedef __SIZE_TYPE__ size_t; extern void* memcpy (void*, const void*, size_t); extern void* memmove (void*, const void*, size_t); extern void* memset (void*, int, size_t); extern char* stpncpy (char*, const char*, size_t); extern char* strncat (char*, const char*, size_t); extern char* strncpy (char*, const char*, size_t); extern char* strndup (const char*, size_t); extern int strncmp (const char*, const char*, size_t); extern int strncasecmp (const char*, const char*, size_t); extern size_t strnlen (const char*, size_t); extern char *d; extern const char *s; void test_memcpy (void) { memcpy (d, s, SIZE_MAX); /* { dg-warning ".memcpy. specified bound \[0-9\]+ exceeds maximum object size \[0-9\]+ \\\[-Wstringop-overflow=\\\]" } */ } void test_memmove (void) { memmove (d, s, SIZE_MAX - 1); /* { dg-warning ".memmove. specified bound \[0-9\]+ exceeds maximum object size \[0-9\]+ \\\[-Wstringop-overflow=\\\]" } */ } void test_memset (void) { memset (d, 0, SIZE_MAX - 2); /* { dg-warning ".memset. specified \(bound|size\) \[0-9\]+ exceeds maximum object size \[0-9\]+ \\\[-Wstringop-overflow=\\\]" } */ } char* test_stpncpy (void) { return stpncpy (d, s, SIZE_MAX - 4); /* { dg-warning ".stpncpy. specified bound \[0-9\]+ exceeds maximum object size \[0-9\]+ \\\[-Wstringop-overflow=\\\]" } */ } void test_strncat (void) { strncat (d, s, SIZE_MAX - 3); /* { dg-warning ".strncat. specified bound \[0-9\]+ exceeds maximum object size \[0-9\]+ \\\[-Wstringop-overflow=\\\]" } */ } void test_strncpy (void) { strncpy (d, s, SIZE_MAX - 4); /* { dg-warning ".strncpy. specified bound \[0-9\]+ exceeds maximum object size \[0-9\]+ \\\[-Wstringop-overflow=\\\]" } */ } char* test_strndup (void) { return strndup (s, SIZE_MAX - 5); /* { dg-warning ".strndup. specified bound \[0-9\]+ exceeds maximum object size \[0-9\]+ \\\[-Wstringop-overread" } */ } size_t test_strnlen (void) { return strnlen (s, SIZE_MAX - 6); /* { dg-warning ".strnlen. specified bound \[0-9\]+ exceeds maximum object size \[0-9\]+ \\\[-Wstringop-overread" } */ }