gcc/testsuite/gcc.c-torture/execute/builtins/string-asm-2-lib.c

   1 extern int inside_main;
   2 typedef __SIZE_TYPE__ size_t;
   3
   4 #define TEST_ABORT if (inside_main) abort()
   5
   6 void *
   7 my_memcpy (void *d, const void *s, size_t n)
   8 {
   9   char *dst = (char *) d;
  10   const char *src = (const char *) s;
  11   while (n--)
  12     *dst++ = *src++;
  13   return (char *) d;
  14 }
  15
  16 void
  17 my_bcopy (const void *s, void *d, size_t n)
  18 {
  19   char *dst = (char *) d;
  20   const char *src = (const char *) s;
  21   if (src >= dst)
  22     while (n--)
  23       *dst++ = *src++;
  24   else
  25     {
  26       dst += n;
  27       src += n;
  28       while (n--)
  29         *--dst = *--src;
  30     }
  31 }
  32
  33 void *
  34 my_memset (void *d, int c, size_t n)
  35 {
  36   char *dst = (char *) d;
  37   while (n--)
  38     *dst++ = c;
  39   return (char *) d;
  40 }
  41
  42 void
  43 my_bzero (void *d, size_t n)
  44 {
  45   char *dst = (char *) d;
  46   while (n--)
  47     *dst++ = '\0';
  48 }
  49
  50 void *
  51 memcpy (void *d, const void *s, size_t n)
  52 {
  53   TEST_ABORT;
  54   return my_memcpy (d, s, n);
  55 }
  56
  57 void
  58 bcopy (const void *s, void *d, size_t n)
  59 {
  60   TEST_ABORT;
  61   my_bcopy (s, d, n);
  62 }
  63
  64 void *
  65 memset (void *d, int c, size_t n)
  66 {
  67   TEST_ABORT;
  68   return my_memset (d, c, n);
  69 }
  70
  71 void
  72 bzero (void *d, size_t n)
  73 {
  74   TEST_ABORT;
  75   my_bzero (d, n);
  76 }