Viewing file:  capacity-2.c (1.38 KB) -rw-r--r--
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#include <stdlib.h>
#include "analyzer-decls.h"
extern void might_realloc (void *);
extern void cant_realloc (const void *);
void *
test_realloc_1 (void *p, size_t new_sz)
{
void *q = realloc (p, new_sz);
__analyzer_dump_capacity (q); /* { dg-warning "capacity: 'UNKNOWN\\(sizetype\\)'" "failure" } */
/* { dg-warning "capacity: 'INIT_VAL\\(new_sz\[^\n\r\]*\\)'" "success" { target *-*-* } .-1 } */
return q;
}
void *
test_realloc_2 (size_t sz_a, size_t sz_b)
{
void *p = malloc (sz_a);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: 'INIT_VAL\\(sz_a_\[^\n\r\]*\\)'" } */
void *q = realloc (p, sz_b);
__analyzer_dump_capacity (q); /* { dg-warning "capacity: 'UNKNOWN\\(sizetype\\)'" "failure" } */
/* { dg-warning "capacity: 'INIT_VAL\\(sz_b\[^\n\r\]*\\)'" "success" { target *-*-* } .-1 } */
return q; /* { dg-warning "leak of 'p'" } */
}
void *
test_might_realloc (void)
{
void *p = malloc (1024);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: '\\(size_t\\)1024'" } */
might_realloc (p);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: 'UNKNOWN\\(sizetype\\)'" } */
return p;
}
void *
test_cant_realloc (void)
{
void *p = malloc (1024);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: '\\(size_t\\)1024'" } */
cant_realloc (p);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: '\\(size_t\\)1024'" } */
return p;
}
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