diff options
Diffstat (limited to 'newlib/libc/sys/arm')
| -rw-r--r-- | newlib/libc/sys/arm/syscalls.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/newlib/libc/sys/arm/syscalls.c b/newlib/libc/sys/arm/syscalls.c index 42e69b7b0..e89022806 100644 --- a/newlib/libc/sys/arm/syscalls.c +++ b/newlib/libc/sys/arm/syscalls.c @@ -55,20 +55,17 @@ register char * stack_ptr asm ("sp"); /* following is copied from libc/stdio/local.h to check std streams */ extern void _EXFUN(__sinit,(struct _reent *)); -#define CHECK_INIT(fp) \ - do \ - { \ - if ((fp)->_data == 0) \ - (fp)->_data = _REENT; \ - if (!(fp)->_data->__sdidinit) \ - __sinit ((fp)->_data); \ - } \ +#define CHECK_INIT(ptr) \ + do \ + { \ + if ((ptr) && !(ptr)->__sdidinit) \ + __sinit (ptr); \ + } \ while (0) /* Adjust our internal handles to stay away from std* handles. */ #define FILE_HANDLE_OFFSET (0x20) -static int std_files_checked; static int monitor_stdin; static int monitor_stdout; static int monitor_stderr; @@ -119,13 +116,8 @@ do_AngelSWI (int reason, void * arg) static int remap_handle (int fh) { - if (!std_files_checked) - { - CHECK_INIT(stdin); - CHECK_INIT(stdout); - CHECK_INIT(stderr); - std_files_checked = 1; - } + CHECK_INIT(_REENT); + if (fh == STDIN_FILENO) return monitor_stdin; if (fh == STDOUT_FILENO) |