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