gcc/testsuite/gcc.dg/pr84670-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Os -fno-strict-overflow" } */
   3
   4 typedef unsigned char u8;
   5 typedef unsigned short u16;
   6 typedef unsigned int u32;
   7 typedef u16 acpi_rs_length;
   8 typedef u32 acpi_rsdesc_size;
   9 struct acpi_resource_source
  10 {
  11   u16 string_length;
  12   char *string_ptr;
  13 };
  14 static u16
  15 acpi_rs_strcpy (char *destination, char *source)
  16 {
  17   u16 i;
  18   for (i = 0; source[i]; i++)
  19     {
  20     }
  21   return ((u16) (i + 1));
  22 }
  23 union aml_resource;
  24 acpi_rs_length
  25 acpi_rs_get_resource_source (acpi_rs_length resource_length,
  26                              acpi_rs_length minimum_length,
  27                              struct acpi_resource_source * resource_source,
  28                              union aml_resource * aml, char *string_ptr)
  29 {
  30   acpi_rsdesc_size total_length;
  31   u8 *aml_resource_source;
  32   if (total_length > (acpi_rsdesc_size) (minimum_length + 1))
  33     {
  34       resource_source->string_length =
  35         acpi_rs_strcpy (resource_source->string_ptr,
  36                         ((char *) (void *) (&aml_resource_source[1])));
  37     }
  38 }