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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [testsuite/] [gcc.dg/] [Warray-bounds-3.c] - Blame information for rev 298

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/* { dg-do compile } */
/* { dg-options "-O2 -Warray-bounds" } */
/* based on PR 31227 */
 
typedef __SIZE_TYPE__ size_t;
 
extern size_t strlen (const char *);
 
struct iovec
{
  void *iov_base;
  size_t iov_len;
};
 
struct S
{
  const char *abday[7];
  const char *day[7];
  const char *abmon[12];
  const char *mon[12];
  const char *am_pm[2];
};
 
extern void foo (size_t, struct iovec *);
 
void
bar (struct S *time)
{
  struct iovec iov[43];
  size_t cnt;
  iov[0].iov_base = (void *) "abc";
  iov[0].iov_len = 3;
 
  iov[1].iov_base = (void *) "def";
  iov[1].iov_len = 3;
 
  for (cnt = 0; cnt <= 7; ++cnt)
    {
      iov[2 + cnt].iov_base = (void *) (time->abday[cnt] ?: "");
      iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
    }
 
  for (; cnt <= 14; ++cnt)
    {
      iov[2 + cnt].iov_base = (void *) (time->day[cnt - 7] ?: "");
      iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
    }
 
  for (; cnt <= 26; ++cnt)
    {
      iov[2 + cnt].iov_base = (void *) (time->abmon[cnt - 14] ?: "");
      iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
    }
 
  for (; cnt <= 38; ++cnt)
    {
      iov[2 + cnt].iov_base = (void *) (time->mon[cnt - 26] ?: "");
      iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
    }
 
  for (; cnt <= 40; ++cnt)
    {
      iov[2 + cnt].iov_base =  (void *) (time->am_pm[cnt - 38] ?: "");
      iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;
    }
 
  foo (2 + cnt, iov);
}
 
struct malloc_chunk {
  long prev_size;
  long size;
  struct malloc_chunk* fd;
  struct malloc_chunk* bk;
};
typedef struct malloc_chunk* mchunkptr;
struct malloc_state {
  mchunkptr        top;
  mchunkptr        last_remainder;
  mchunkptr        bins[128 * 2 - 2];
};
#define bin_at(m, i) \
  (mchunkptr) (((char *) &((m)->bins[((i) - 1) * 2]))                         \
             - __builtin_offsetof (struct malloc_chunk, fd))
 
void malloc_init_state(struct malloc_state *av)
{
  int     i;
  mchunkptr bin;
 
  for (i = 1; i < 128; ++i) {
    bin = bin_at(av,i);
    bin->fd = bin->bk = bin;
  }
}
 
typedef unsigned short WCHAR;
typedef WCHAR *LPWSTR;
 
static void g(LPWSTR dest, int len) {
     dest[len-1] = 0;
}
 
void f() {
    WCHAR szPathW[260];
 
    g(szPathW, 260);
}

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-options "-O2 -Warray-bounds" } */`
3			`/* based on PR 31227 */`
4
5			`typedef __SIZE_TYPE__ size_t;`
6
7			`extern size_t strlen (const char *);`
8
9			`struct iovec`
10			`{`
11			`void *iov_base;`
12			`size_t iov_len;`
13			`};`
14
15			`struct S`
16			`{`
17			`const char *abday[7];`
18			`const char *day[7];`
19			`const char *abmon[12];`
20			`const char *mon[12];`
21			`const char *am_pm[2];`
22			`};`
23
24			`extern void foo (size_t, struct iovec *);`
25
26			`void`
27			`bar (struct S *time)`
28			`{`
29			`struct iovec iov[43];`
30			`size_t cnt;`
31			`iov[0].iov_base = (void *) "abc";`
32			`iov[0].iov_len = 3;`
33
34			`iov[1].iov_base = (void *) "def";`
35			`iov[1].iov_len = 3;`
36
37			`for (cnt = 0; cnt <= 7; ++cnt)`
38			`{`
39			`iov[2 + cnt].iov_base = (void *) (time->abday[cnt] ?: "");`
40			`iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;`
41			`}`
42
43			`for (; cnt <= 14; ++cnt)`
44			`{`
45			`iov[2 + cnt].iov_base = (void *) (time->day[cnt - 7] ?: "");`
46			`iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;`
47			`}`
48
49			`for (; cnt <= 26; ++cnt)`
50			`{`
51			`iov[2 + cnt].iov_base = (void *) (time->abmon[cnt - 14] ?: "");`
52			`iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;`
53			`}`
54
55			`for (; cnt <= 38; ++cnt)`
56			`{`
57			`iov[2 + cnt].iov_base = (void *) (time->mon[cnt - 26] ?: "");`
58			`iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;`
59			`}`
60
61			`for (; cnt <= 40; ++cnt)`
62			`{`
63			`iov[2 + cnt].iov_base = (void *) (time->am_pm[cnt - 38] ?: "");`
64			`iov[2 + cnt].iov_len = strlen (iov[2 + cnt].iov_base) + 1;`
65			`}`
66
67			`foo (2 + cnt, iov);`
68			`}`
69
70			`struct malloc_chunk {`
71			`long prev_size;`
72			`long size;`
73			`struct malloc_chunk* fd;`
74			`struct malloc_chunk* bk;`
75			`};`
76			`typedef struct malloc_chunk* mchunkptr;`
77			`struct malloc_state {`
78			`mchunkptr top;`
79			`mchunkptr last_remainder;`
80			`mchunkptr bins[128 * 2 - 2];`
81			`};`
82			`#define bin_at(m, i) \`
83			`(mchunkptr) (((char ) &((m)->bins[((i) - 1) 2])) \`
84			`- __builtin_offsetof (struct malloc_chunk, fd))`
85
86			`void malloc_init_state(struct malloc_state *av)`
87			`{`
88			`int i;`
89			`mchunkptr bin;`
90
91			`for (i = 1; i < 128; ++i) {`
92			`bin = bin_at(av,i);`
93			`bin->fd = bin->bk = bin;`
94			`}`
95			`}`
96
97			`typedef unsigned short WCHAR;`
98			`typedef WCHAR *LPWSTR;`
99
100			`static void g(LPWSTR dest, int len) {`
101			`dest[len-1] = 0;`
102			`}`
103
104			`void f() {`
105			`WCHAR szPathW[260];`
106
107			`g(szPathW, 260);`
108			`}`

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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [testsuite/] [gcc.dg/] [Warray-bounds-3.c] - Blame information for rev 298