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 void *memcpy (void *__restrict, const void *__restrict, size_t);
  13 void *memmove (void *, const void *, size_t);
  14 char *strcpy (char *__restrict, const char *__restrict);
  15 char *strcat (char *__restrict, const char *__restrict);
  16 char *strchr (const char *, int);
  17 void *memset (void *, int, size_t);
  18 int memcmp (const void *, const void *, size_t);
  19 int strcmp (const char *, const char *);
  20 #ifdef USE_GNU
  21 void *mempcpy (void *__restrict, const void *__restrict, size_t);
  22 char *stpcpy (char *__restrict, const char *__restrict);
  23 #endif
  24
  25 #if defined(FORTIFY_SOURCE) && FORTIFY_SOURCE > 0 && __OPTIMIZE__
  26 # define bos(ptr) __builtin_object_size (ptr, FORTIFY_SOURCE > 0)
  27 # define bos0(ptr) __builtin_object_size (ptr, 0)
  28
  29 extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
  30 memcpy (void *__restrict dest, const void *__restrict src, size_t len)
  31 {
  32   return __builtin___memcpy_chk (dest, src, len, bos0 (dest));
  33 }
  34
  35 extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
  36 memmove (void *dest, const void *src, size_t len)
  37 {
  38   return __builtin___memmove_chk (dest, src, len, bos0 (dest));
  39 }
  40
  41 extern inline __attribute__((gnu_inline, always_inline, artificial)) char *
  42 strcpy (char *__restrict dest, const char *__restrict src)
  43 {
  44   return __builtin___strcpy_chk (dest, src, bos (dest));
  45 }
  46
  47 extern inline __attribute__((gnu_inline, always_inline, artificial)) char *
  48 strcat (char *__restrict dest, const char *__restrict src)
  49 {
  50   return __builtin___strcat_chk (dest, src, bos (dest));
  51 }
  52
  53 # ifdef USE_GNU
  54 extern inline __attribute__((gnu_inline, always_inline, artificial)) void *
  55 mempcpy (void *__restrict dest, const void *__restrict src, size_t len)
  56 {
  57   return __builtin___mempcpy_chk (dest, src, len, bos0 (dest));
  58 }
  59
  60 extern inline __attribute__((gnu_inline, always_inline, artificial)) char *
  61 stpcpy (char *__restrict dest, const char *__restrict src)
  62 {
  63   return __builtin___stpcpy_chk (dest, src, bos (dest));
  64 }
  65 # endif
  66 #endif