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#include <string.h>
#include <stdlib.h>
extern void requires_nonnull (void *ptr)
__attribute__((nonnull));
void test_1 (const char *s)
{
char *p = strdup (s); /* { dg-message "allocated here" } */
} /* { dg-warning "leak of 'p'" } */
void test_2 (const char *s)
{
char *p = strdup (s);
free (p);
}
void test_3 (const char *s)
{
char *p = strdup (s); /* { dg-message "this call could return NULL" } */
requires_nonnull (p); /* { dg-warning "use of possibly-NULL 'p'" } */
}
/* Repeat tests for __builtin_strdup. */
void test_4 (const char *s)
{
char *p = __builtin_strdup (s); /* { dg-message "allocated here" } */
} /* { dg-warning "leak of 'p'" } */
void test_5 (const char *s)
{
char *p = __builtin_strdup (s);
free (p);
}
void test_6 (const char *s)
{
char *p = __builtin_strdup (s); /* { dg-message "this call could return NULL" } */
requires_nonnull (p); /* { dg-warning "use of possibly-NULL 'p'" } */
}
char *test_unterminated (void)
{
char buf[3] = "abc";
return strdup (buf); /* { dg-warning "passing pointer to unterminated string '&buf' as argument 1 of 'strdup'" } */
}
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