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