File: nonnull-3.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (82 lines) | stat: -rw-r--r-- 5,404 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
/* Test for the "nonnull" function attribute on builtins.  Use the
   "__builtin_" style below so we don't need prototypes.  */
/* Origin: Kaveh R. Ghazi <ghazi@caip.rutgers.edu> */
/* { dg-do compile } */
/* { dg-options "-Wnonnull" } */

#include <stddef.h>

void
foo (void *p, char *s)
{
  __builtin_bzero (NULL, 0);
  __builtin_bcopy (NULL, p, 0);
  __builtin_bcopy (p, NULL, 0);
  __builtin_bcmp (NULL, p, 0);
  __builtin_bcmp (p, NULL, 0);
  __builtin_index (NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_rindex (NULL, 16);  /* { dg-warning "null" "null pointer check" } */

  __builtin_memcpy (p, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_memcpy (NULL, p, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_memmove (p, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_memmove (NULL, p, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_memcmp (p, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_memcmp (NULL, p, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_memset (NULL, 0, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_mempcpy (p, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_mempcpy (NULL, p, 16);  /* { dg-warning "null" "null pointer check" } */

  __builtin_strcat (NULL, s);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strcat (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strncat (NULL, s, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strncat (s, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_stpcpy (NULL, s);  /* { dg-warning "null" "null pointer check" } */
  __builtin_stpcpy (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_stpncpy (NULL, s, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_stpncpy (s, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strcpy (NULL, s);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strcpy (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strncpy (NULL, s, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strncpy (s, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strcasecmp (NULL, s);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strcasecmp (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strncasecmp (NULL, s, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strncasecmp (s, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strcmp (NULL, s);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strcmp (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strncmp (NULL, s, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strncmp (s, NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strlen (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strstr (NULL, s);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strstr (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strpbrk (NULL, s);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strpbrk (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strspn (NULL, s);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strspn (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strchr (NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strrchr (NULL, 16);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strdup (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_strndup (NULL, 16);  /* { dg-warning "null" "null pointer check" } */

  __builtin_nan (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_nanf (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_nanl (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_nans (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_nansf (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_nansl (NULL);  /* { dg-warning "null" "null pointer check" } */

  __builtin_puts (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fputc (*s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fputs (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fputs (NULL, p);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fwrite (s, 16, 16, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fwrite (NULL, 16, 16, p);  /* { dg-warning "null" "null pointer check" } */
  __builtin_puts_unlocked (NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fputc_unlocked (*s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fputs_unlocked (s, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fputs_unlocked (NULL, p);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fwrite_unlocked (s, 16, 16, NULL);  /* { dg-warning "null" "null pointer check" } */
  __builtin_fwrite_unlocked (NULL, 16, 16, p);  /* { dg-warning "null" "null pointer check" } */

}