pike.git/ src/ configure.in

2000-08-28

2000-08-28 17:53:23 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• 0e85fb9ad0f62c4b7b21695f16df30f81d235d52 (34 lines) (+33/-1) ^{[ Show | Annotate ]}
  Branch: 7.9

The memset test now succeeds in triggering the memset() bug.
The bug seems to be in gcc 2.96.

Rev: src/configure.in:1.409

1: - AC_REVISION("$Id: configure.in,v 1.408 2000/08/28 13:56:44 grubba Exp $") + AC_REVISION("$Id: configure.in,v 1.409 2000/08/28 17:53:23 grubba Exp $")   AC_INIT(interpret.c)   AC_CONFIG_HEADER(machine.h)   
2519:   [   #include <string.h>   char foo[23]; +  + struct pike_string { +  int refs; +  int size_shift; +  ptrdiff_t len; +  size_t hval; +  struct pike_string *next; +  char str[1]; + }; +  + struct pike_string *begin_shared_string(int len) + { +  return malloc(sizeof(pike_string) + len); + } +    ], [    int i; -  +  struct pike_string *str; +     memset(foo, 0, 11);    memset(foo, 'a', 10);    memset(foo, 'b', 5);
2557:    for (i=6; i--;) {    if (foo[i+7] != 1) exit(1);    } +  +  len = 6; +  str = begin_shared_string(len); +  +  if (!str) exit(1); +  +  for (i=len; i--;) { +  str->str[i] = ~0; +  } +  memset(str, 0, len); +  for (i = len; i--;) { +  if (str->str[i]) exit(1); +  } +  free(str);    exit(0);   ])