From: Perl 5 Porters <perl5-porters@africa.nicoh.com>
Date: Thu, 3 Oct 1996 20:31:46 +0000 (-0400)
Subject: perl 5.003_06: perlsdio.h
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=1ac5d68dd01b70b178f94cd2fc2f57c48fe8d1a5;p=p5sagit%2Fp5-mst-13.2.git

perl 5.003_06: perlsdio.h

Date: Fri, 13 Sep 1996 17:24:01 -0400
From: John Stoffel <jfs@jfs.fluent.com>
Subject: Re: 5.003_05 is available.

Undef Irix getc_unlocked and putc_unlocked #defines.

Date: Thu, 03 Oct 1996 16:31:46 -0400 (EDT)
From: Charles Bailey <bailey@HMIVAX.HUMGEN.UPENN.EDU>
Subject: VMS patches to 5.003_05
---

diff --git a/perlsdio.h b/perlsdio.h
index ff32cdd..c371441 100644
--- a/perlsdio.h
+++ b/perlsdio.h
@@ -24,7 +24,17 @@
 #define PerlIO_close(f)			fclose(f)
 #define PerlIO_puts(f,s)		fputs(s,f)
 #define PerlIO_putc(f,c)		fputc(c,f)
-#define PerlIO_ungetc(f,c)		ungetc(c,f)
+#if defined(VMS) && defined(__DECC)
+   /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
+    * belief that it can mix getc/ungetc with reads from stdio buffer */
+   int decc$ungetc(int __c, FILE *__stream);
+#  define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
+          ((*(f) && !((*(f))->_flag & _IONBF) && \
+          ((*(f))->_ptr > (*(f))->_base)) ? \
+          ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
+#else
+#  define PerlIO_ungetc(f,c)		ungetc(c,f)
+#endif
 #define PerlIO_getc(f)			getc(f)
 #define PerlIO_eof(f)			feof(f)
 #define PerlIO_getname(f,b)		fgetname(f,b)
@@ -142,6 +152,8 @@
 #undef setvbuf
 #undef fscanf
 #undef fgets
+#undef getc_unlocked
+#undef putc_unlocked
 #define fprintf    _CANNOT _fprintf_
 #define stdin      _CANNOT _stdin_
 #define stdout     _CANNOT _stdout_