gcc/testsuite/gcc.dg/strlenopt.h

   1 /* This is a replacement of needed parts from stdlib.h and string.h
   2    for -foptimize-strlen testing, to ensure we are testing the builtins
   3    rather than whatever the OS has in its headers.  */
   4
   5 #define NULL ((void *) 0)
   6 typedef __SIZE_TYPE__ size_t;
   7 extern void abort (void);
   8 void *malloc (size_t);
   9 void free (void *);
  10 char *strdup (const char *);
  11 size_t strlen (const char *);
  12 size_t strnlen (const char *, size_t);
  13 void *memcpy (void *__restrict, const void *__restrict, size_t);
  14 void *memmove (void *, const void *, size_t);
  15 char *strcpy (char *__restrict, const char *__restrict);
  16 char *strcat (char *__restrict, const char *__restrict);
  17 char *strchr (const char *, int);
  18 void *memset (void *, int, size_t);
  19 int memcmp (const void *, const void *, size_t);
  20 int strcmp (const char *, const char *);
  21 #ifdef USE_GNU
  22 void *mempcpy (void *__restrict, const void *__restrict, size_t);
  23 char *stpcpy (char *__restrict, const char *__restrict);
  24 #endif
  25
  26 #if defined(FORTIFY_SOURCE) && FORTIFY_SOURCE > 0 && __OPTIMIZE__
  27 # define bos(ptr) __builtin_object_size (ptr, FORTIFY_SOURCE > 0)
  28 # define bos0(ptr) __builtin_object_size (ptr, 0)
  29
  30 extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
  31 memcpy (void *__restrict dest, const void *__restrict src, size_t len)
  32 {
  33   return __builtin___memcpy_chk (dest, src, len, bos0 (dest));
  34 }
  35
  36 extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
  37 memmove (void *dest, const void *src, size_t len)
  38 {
  39   return __builtin___memmove_chk (dest, src, len, bos0 (dest));
  40 }
  41
  42 extern inline __attribute__((gnu_inline, always_inline, artificial)) char *
  43 strcpy (char *__restrict dest, const char *__restrict src)
  44 {
  45   return __builtin___strcpy_chk (dest, src, bos (dest));
  46 }
  47
  48 extern inline __attribute__((gnu_inline, always_inline, artificial)) char *
  49 strcat (char *__restrict dest, const char *__restrict src)
  50 {
  51   return __builtin___strcat_chk (dest, src, bos (dest));
  52 }
  53
  54 # ifdef USE_GNU
  55 extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
  56 mempcpy (void *__restrict dest, const void *__restrict src, size_t len)
  57 {
  58   return __builtin___mempcpy_chk (dest, src, len, bos0 (dest));
  59 }
  60
  61 extern inline __attribute__((gnu_inline, always_inline, artificial)) char *
  62 stpcpy (char *__restrict dest, const char *__restrict src)
  63 {
  64   return __builtin___stpcpy_chk (dest, src, bos (dest));
  65 }
  66 # endif
  67 #endif