Change 31387 by [EMAIL PROTECTED] on 2007/06/15 09:52:07
Subject: [PATCH] Re: vsprintf
From: Andy Dougherty <[EMAIL PROTECTED]>
Date: Thu, 14 Jun 2007 13:12:57 -0400 (EDT)
Message-ID: <[EMAIL PROTECTED]>
Affected files ...
... //depot/perl/util.c#628 edit
Differences ...
==== //depot/perl/util.c#628 (text) ====
Index: perl/util.c
--- perl/util.c#627~31135~ 2007-05-03 17:57:20.000000000 -0700
+++ perl/util.c 2007-06-15 02:52:07.000000000 -0700
@@ -1832,24 +1832,51 @@
#endif /* !HAS_MEMCMP || !HAS_SANE_MEMCMP */
#ifndef HAS_VPRINTF
+/* This vsprintf replacement should generally never get used, since
+ vsprintf was available in both System V and BSD 2.11. (There may
+ be some cross-compilation or embedded set-ups where it is needed,
+ however.)
+
+ If you encounter a problem in this function, it's probably a symptom
+ that Configure failed to detect your system's vprintf() function.
+ See the section on "item vsprintf" in the INSTALL file.
+
+ This version may compile on systems with BSD-ish <stdio.h>,
+ but probably won't on others.
+*/
#ifdef USE_CHAR_VSPRINTF
char *
#else
int
#endif
-vsprintf(char *dest, const char *pat, char *args)
+vsprintf(char *dest, const char *pat, void *args)
{
FILE fakebuf;
+#if defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
+ FILE_ptr(&fakebuf) = (STDCHAR *) dest;
+ FILE_cnt(&fakebuf) = 32767;
+#else
+ /* These probably won't compile -- If you really need
+ this, you'll have to figure out some other method. */
fakebuf._ptr = dest;
fakebuf._cnt = 32767;
+#endif
#ifndef _IOSTRG
#define _IOSTRG 0
#endif
fakebuf._flag = _IOWRT|_IOSTRG;
_doprnt(pat, args, &fakebuf); /* what a kludge */
- (void)putc('\0', &fakebuf);
+#if defined(STDIO_PTR_LVALUE)
+ *(FILE_ptr(&fakebuf)++) = '\0';
+#else
+ /* PerlIO has probably #defined away fputc, but we want it here. */
+# ifdef fputc
+# undef fputc /* XXX Should really restore it later */
+# endif
+ (void)fputc('\0', &fakebuf);
+#endif
#ifdef USE_CHAR_VSPRINTF
return(dest);
#else
End of Patch.
