Viewing file:  Wnonnull.c (1.26 KB) -rw-r--r--
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/* PR tree-optimization/83369 - Missing diagnostics during inlining
{ dg-do compile }
{ dg-options "-O2 -Wall" } */
extern __SIZE_TYPE__ strlen (const char *__s)
__attribute ((pure)) __attribute ((nonnull (1)));
extern void *memcpy (void *__restrict __dest, const void *__restrict __src,
__SIZE_TYPE__ __n) __attribute ((nonnull (1, 2)));
char buf[100];
struct Test
{
const char* s1;
const char* s2;
};
__attribute ((nonnull (1, 2)))
inline char*
my_strcpy (char *restrict dst, const char *restrict src, __SIZE_TYPE__ size)
{
__SIZE_TYPE__ len = strlen (src); /* { dg-warning "argument 1 null where non-null expected" } */
if (len < size)
memcpy (dst, src, len + 1); /* { dg-warning "argument 2 null where non-null expected" } */
else
{
memcpy (dst, src, size - 1); /* { dg-warning "argument 2 null where non-null expected" } */
dst[size - 1] = '\0';
}
return dst;
}
void test (struct Test* test)
{
if (test->s1)
my_strcpy (buf, test->s1, sizeof buf);
else if (test->s2)
my_strcpy (buf, test->s2, sizeof buf);
else
my_strcpy (buf, test->s2, sizeof buf);
}
/* Verify that the inlining context is printed for -Wnonnull:
{ dg-message "function .my_strcpy..*inlined from .test." "" { target *-*-* } 0 } */
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