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From 0424723402ef153af8ee44222315d9b6a818d1ba Mon Sep 17 00:00:00 2001
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From: Tony Cook <tony@develop-help.com>
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Date: Tue, 2 Jul 2019 15:22:26 +1000
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Subject: [PATCH 2/3] (perl #134221) support append mode temp files on Win32
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too
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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perlio.c | 2 +-
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win32/win32.c | 10 +++++++++-
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win32/win32iop.h | 1 +
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3 files changed, 11 insertions(+), 2 deletions(-)
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diff --git a/perlio.c b/perlio.c
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index a737e79e02..81ebc156ad 100644
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--- a/perlio.c
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+++ b/perlio.c
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@@ -5059,7 +5059,7 @@ PerlIO_tmpfile_flags(int imode)
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#endif
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PerlIO *f = NULL;
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#ifdef WIN32
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- const int fd = win32_tmpfd();
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+ const int fd = win32_tmpfd_mode(imode);
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if (fd >= 0)
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f = PerlIO_fdopen(fd, "w+b");
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#elif ! defined(VMS) && ! defined(OS2)
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diff --git a/win32/win32.c b/win32/win32.c
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index 8104d864c2..91fdffe09b 100644
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--- a/win32/win32.c
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+++ b/win32/win32.c
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@@ -2907,10 +2907,18 @@ win32_rewind(FILE *pf)
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DllExport int
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win32_tmpfd(void)
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+{
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+ return win32_tmpfd_mode(0);
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+}
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+
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+DllExport int
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+win32_tmpfd_mode(int mode)
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{
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char prefix[MAX_PATH+1];
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char filename[MAX_PATH+1];
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DWORD len = GetTempPath(MAX_PATH, prefix);
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+ mode &= ~( O_ACCMODE | O_CREAT | O_EXCL );
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+ mode |= O_RDWR;
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if (len && len < MAX_PATH) {
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if (GetTempFileName(prefix, "plx", 0, filename)) {
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HANDLE fh = CreateFile(filename,
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@@ -2922,7 +2930,7 @@ win32_tmpfd(void)
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| FILE_FLAG_DELETE_ON_CLOSE,
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NULL);
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if (fh != INVALID_HANDLE_VALUE) {
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- int fd = win32_open_osfhandle((intptr_t)fh, 0);
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+ int fd = win32_open_osfhandle((intptr_t)fh, mode);
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if (fd >= 0) {
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PERL_DEB(dTHX;)
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DEBUG_p(PerlIO_printf(Perl_debug_log,
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diff --git a/win32/win32iop.h b/win32/win32iop.h
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index 53330e5951..559e1f9cd2 100644
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--- a/win32/win32iop.h
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+++ b/win32/win32iop.h
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@@ -64,6 +64,7 @@ DllExport int win32_fgetpos(FILE *pf,fpos_t *p);
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DllExport int win32_fsetpos(FILE *pf,const fpos_t *p);
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DllExport void win32_rewind(FILE *pf);
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DllExport int win32_tmpfd(void);
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+DllExport int win32_tmpfd_mode(int mode);
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DllExport FILE* win32_tmpfile(void);
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DllExport void win32_abort(void);
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DllExport int win32_fstat(int fd,Stat_t *sbufptr);
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--
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2.20.1
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