Mercurial > cpython-lru_cache-weakref

comparison Python/sysmodule.c @ 9328:81574e4646b4 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Patches for mywrite() by Marc Lemburg: save/restore the error state reliably; check return value of vsprintf().
author Guido van Rossum <guido@python.org>
date Mon, 12 Oct 1998 18:22:10 +0000
parents 44baef8ab5c8
children 9342c60eaac0
comparison
equal deleted inserted replaced
9327:c91e4d87f694 9328:81574e4646b4
592 PySys_WriteStdout(format, ...) 592 PySys_WriteStdout(format, ...)
593 PySys_WriteStderr(format, ...) 593 PySys_WriteStderr(format, ...)
594 594
595 The first function writes to sys.stdout; the second to sys.stderr. When 595 The first function writes to sys.stdout; the second to sys.stderr. When
596 there is a problem, they write to the real (C level) stdout or stderr; 596 there is a problem, they write to the real (C level) stdout or stderr;
597 no exceptions are raised (but a pending exception may be cleared when a 597 no exceptions are raised.
598 new exception is caught).
599 598
600 Both take a printf-style format string as their first argument followed 599 Both take a printf-style format string as their first argument followed
601 by a variable length argument list determined by the format string. 600 by a variable length argument list determined by the format string.
602 601
603 *** WARNING *** 602 *** WARNING ***
617 FILE *fp; 616 FILE *fp;
618 const char *format; 617 const char *format;
619 va_list va; 618 va_list va;
620 { 619 {
621 PyObject *file; 620 PyObject *file;
622 621 PyObject *error_type, *error_value, *error_traceback;
622
623 PyErr_Fetch(&error_type, &error_value, &error_traceback);
623 file = PySys_GetObject(name); 624 file = PySys_GetObject(name);
624 if (file == NULL || PyFile_AsFile(file) == fp) 625 if (file == NULL || PyFile_AsFile(file) == fp)
625 vfprintf(fp, format, va); 626 vfprintf(fp, format, va);
626 else { 627 else {
627 char buffer[1001]; 628 char buffer[1001];
628 vsprintf(buffer, format, va); 629 if (vsprintf(buffer, format, va) >= sizeof(buffer))
630 Py_FatalError("PySys_WriteStdout/err: buffer overrun");
629 if (PyFile_WriteString(buffer, file) != 0) { 631 if (PyFile_WriteString(buffer, file) != 0) {
630 PyErr_Clear(); 632 PyErr_Clear();
631 fputs(buffer, fp); 633 fputs(buffer, fp);
632 } 634 }
633 } 635 }
636 PyErr_Restore(error_type, error_value, error_traceback);
634 } 637 }
635 638
636 void 639 void
637 #ifdef HAVE_STDARG_PROTOTYPES 640 #ifdef HAVE_STDARG_PROTOTYPES
638 PySys_WriteStdout(const char *format, ...) 641 PySys_WriteStdout(const char *format, ...)