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47840: make zpty module work on Cygwin
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@ -1,3 +1,8 @@
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2021-01-20 Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>
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* Peiyuan Song: 47840: Src/Modules/zpty.c, configure.ac: make
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zpty module work on Cygwin
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2020-12-12 dana <dana@dana.is>
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* unposted: NEWS: Catch up on new features
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@ -30,6 +30,13 @@
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#include "zpty.mdh"
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#include "zpty.pro"
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#ifdef __CYGWIN__
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#include <cygwin/version.h>
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#if defined(CYGWIN_VERSION_DLL_MAJOR) && CYGWIN_VERSION_DLL_MAJOR<3002
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#define USE_CYGWIN_FIX 1
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#endif
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#endif
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/* The number of bytes we normally read when given no pattern and the
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* upper bound on the number of bytes we read (even if we are give a
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* pattern). */
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@ -428,6 +435,7 @@ newptycmd(char *nam, char *pname, char **args, int echo, int nblock)
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mypid = 0; /* trick to ensure we _exit() */
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zexit(lastval, ZEXIT_NORMAL);
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}
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#ifndef USE_CYGWIN_FIX
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master = movefd(master);
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if (master == -1) {
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zerrnam(nam, "cannot duplicate fd %d: %e", master, errno);
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@ -435,6 +443,9 @@ newptycmd(char *nam, char *pname, char **args, int echo, int nblock)
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ineval = oineval;
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return 1;
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}
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#else
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addmodulefd(master, FDT_INTERNAL);
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#endif
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p = (Ptycmd) zalloc(sizeof(*p));
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@ -2460,7 +2460,7 @@ if test x$ac_cv_have_dev_ptmx = xyes -o x$ac_cv_func_posix_openpt = xyes && \
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test x$ac_cv_func_ptsname = xyes; then
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AC_CACHE_CHECK([if /dev/ptmx is usable],
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ac_cv_use_dev_ptmx,
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef __linux
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if defined(__linux) || defined(__CYGWIN__)
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#define _GNU_SOURCE 1
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#endif
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#include <stdlib.h>
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