From 8c4a21abdd7aed3b9304011acdfd0a94d5f028e9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D0=90=D0=BB=D0=B5=D0=BA=D1=81=D0=B5=D0=B8=CC=86=20=D0=9F?= =?UTF-8?q?=D0=B0=D0=B2=D0=BB=D0=BE=D0=B2?= Date: Sun, 14 Apr 2019 21:29:01 +0300 Subject: [PATCH 04/N] Add functionality for changing OS name via MSYSTEM environment variables. --- winsup/cygserver/cygserver-config | 4 ++-- winsup/cygwin/environ.cc | 36 +++++++++++++++++++++++++---- winsup/cygwin/include/sys/utsname.h | 2 +- winsup/cygwin/uname.cc | 13 +++++++++-- 4 files changed, 46 insertions(+), 9 deletions(-) diff --git a/winsup/cygserver/cygserver-config b/winsup/cygserver/cygserver-config index 373bfd2..c902857 100755 --- a/winsup/cygserver/cygserver-config +++ b/winsup/cygserver/cygserver-config @@ -86,7 +86,7 @@ done # Check if running on NT _sys="`uname`" -_nt=`expr "${_sys}" : "CYGWIN_NT"` +_nt=`expr "${_sys}" : "MSYS_NT"` # Check for running cygserver processes first. if ps -ef | grep -v grep | grep -q ${service_name} @@ -178,7 +178,7 @@ then echo "Do you want to install cygserver as service?" if request "(Say \"no\" if it's already installed as service)" then - if ! cygrunsrv -I ${service_name} -d "CYGWIN cygserver" -p /usr/sbin/cygserver + if ! cygrunsrv -I ${service_name} -d "MSYS cygserver" -p /usr/sbin/cygserver then echo echo "Installation of cygserver as service failed. Please check the" diff --git a/winsup/cygwin/environ.cc b/winsup/cygwin/environ.cc index 73df083..87650cc 100644 --- a/winsup/cygwin/environ.cc +++ b/winsup/cygwin/environ.cc @@ -189,7 +189,11 @@ parse_options (const char *inbuf) if (export_settings) { debug_printf ("%s", newbuf + 1); +#ifdef __MSYS__ + setenv ("MSYS", newbuf + 1, 1); +#else setenv ("CYGWIN", newbuf + 1, 1); +#endif } return; } @@ -653,7 +657,7 @@ _addenv (const char *name, const char *value, int overwrite) win_env *spenv; if ((spenv = getwinenv (envhere))) spenv->add_cache (value); - if (strcmp (name, "CYGWIN") == 0) + if (strcmp (name, "MSYS") == 0) parse_options (value); return 0; @@ -757,6 +761,9 @@ static struct renv { } renv_arr[] = { { NL("COMMONPROGRAMFILES=") }, // 0 { NL("COMSPEC=") }, +#ifdef __MSYS__ + { NL("MSYSTEM=") }, // 2 +#endif /* __MSYS__ */ { NL("PATH=") }, // 2 { NL("PROGRAMFILES=") }, { NL("SYSTEMDRIVE=") }, // 4 @@ -768,10 +775,21 @@ static struct renv { #define RENV_SIZE (sizeof (renv_arr) / sizeof (renv_arr[0])) /* Set of first characters of the above list of variables. */ -static const char idx_arr[] = "CPSTW"; +static const char idx_arr[] = +#ifdef __MSYS__ + "CMPSTW"; +#else + "CPSTW"; +#endif /* Index into renv_arr at which the variables with this specific character starts. */ -static const int start_at[] = { 0, 2, 4, 6, 8 }; +static const int start_at[] = { +#ifdef __MSYS__ + 0, 2, 3, 5, 7, 9 +#else + 0, 2, 4, 6, 8 +#endif + }; /* Turn environment variable part of a=b string into uppercase - for some environment variables only. */ @@ -846,7 +864,11 @@ environ_init (char **envp, int envc) update_envptrs (); if (envp_passed_in) { +#ifdef __MSYS__ + p = getenv ("MSYS"); +#else p = getenv ("CYGWIN"); +#endif if (p) parse_options (p); } @@ -893,8 +915,13 @@ win32env_to_cygenv (PWCHAR rawenv, bool posify) ucenv (newp, eq); /* uppercase env vars which need it */ if (*newp == 'T' && strncmp (newp, "TERM=", 5) == 0) sawTERM = 1; +#ifdef __MSYS__ + else if (*newp == 'M' && strncmp (newp, "MSYS=", 5) == 0) + parse_options (newp + 5); +#else else if (*newp == 'C' && strncmp (newp, "CYGWIN=", 7) == 0) parse_options (newp + 7); +#endif if (*eq && posify) posify_maybe (envp + i, *++eq ? eq : --eq, tmpbuf); debug_printf ("%p: %s", envp[i], envp[i]); @@ -963,12 +990,13 @@ struct spenv static NO_COPY spenv spenvs[] = { #ifdef DEBUGGING - {NL ("CYGWIN_DEBUG="), false, true, NULL}, + {NL ("MSYS_DEBUG="), false, true, NULL}, #endif {NL ("HOMEDRIVE="), false, false, &cygheap_user::env_homedrive}, {NL ("HOMEPATH="), false, false, &cygheap_user::env_homepath}, {NL ("LOGONSERVER="), false, false, &cygheap_user::env_logsrv}, {NL ("PATH="), false, true, NULL}, + {NL ("MSYSTEM="), true, true, NULL}, {NL ("SYSTEMDRIVE="), false, true, NULL}, {NL ("SYSTEMROOT="), true, true, &cygheap_user::env_systemroot}, {NL ("USERDOMAIN="), false, false, &cygheap_user::env_domain}, diff --git a/winsup/cygwin/include/sys/utsname.h b/winsup/cygwin/include/sys/utsname.h index d6b3be9..730cb73 100644 --- a/winsup/cygwin/include/sys/utsname.h +++ b/winsup/cygwin/include/sys/utsname.h @@ -17,7 +17,7 @@ extern "C" { struct utsname { - char sysname[_UTSNAME_LENGTH]; + char sysname[_UTSNAME_LENGTH + 1]; char nodename[_UTSNAME_LENGTH]; char release[_UTSNAME_LENGTH]; char version[_UTSNAME_LENGTH]; diff --git a/winsup/cygwin/uname.cc b/winsup/cygwin/uname.cc index 3502166..28bcd63 100644 --- a/winsup/cygwin/uname.cc +++ b/winsup/cygwin/uname.cc @@ -36,7 +36,10 @@ uname_x (struct utsname *name) memset (name, 0, sizeof (*name)); /* sysname */ - __small_sprintf (name->sysname, "CYGWIN_%s-%u%s", + char* msystem = getenv("MSYSTEM"); + const char *msystem_msys = "MSYS"; + __small_sprintf (name->sysname, "%s_%s-%u%s", + msystem ? msystem : msystem_msys, wincap.osname (), wincap.build_number (), wincap.is_wow64 () ? "-WOW64" : ""); /* nodename */ @@ -82,7 +85,7 @@ uname_x (struct utsname *name) /* Old entrypoint for applications up to API 334 */ struct old_utsname { - char sysname[20]; + char sysname[21]; char nodename[20]; char release[20]; char version[20]; @@ -98,7 +101,13 @@ uname (struct utsname *in_name) char *snp = strstr (cygwin_version.dll_build_date, "SNP"); memset (name, 0, sizeof (*name)); +#ifdef __MSYS__ + char* msystem = getenv("MSYSTEM"); + const char *msystem_msys = "MSYS"; + __small_sprintf (name->sysname, "%s_%s", msystem ? msystem : msystem_msys, wincap.osname ()); +#else __small_sprintf (name->sysname, "CYGWIN_%s", wincap.osname ()); +#endif /* Add a hint to the sysname, that we're running under WOW64. This might give an early clue if somebody encounters problems. */ -- 2.30.2