/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2009, Daniel Stenberg, , et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at http://curl.haxx.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * * $Id: os-specific.c,v 1.2 2009-06-10 18:02:11 yangtse Exp $ ***************************************************************************/ #include "setup.h" #include #define ENABLE_CURLX_PRINTF #include "curlx.h" #include "os-specific.h" #if defined(CURLDEBUG) && defined(CURLTOOLDEBUG) # include "memdebug.h" #endif #ifdef __VMS #include "curlmsg_vms.h" void decc$__posix_exit(int __status); void decc$exit(int __status); static int vms_shell = -1; /* VMS has a DCL shell and and also has Unix shells ported to it. * When curl is running under a Unix shell, we want it to be as much * like Unix as possible. */ int is_vms_shell(void) { char *shell; /* Have we checked the shell yet? */ if(vms_shell >= 0) return vms_shell; shell = getenv("SHELL"); /* No shell, means DCL */ if(shell == NULL) { vms_shell = 1; return 1; } /* Have to make sure some one did not set shell to DCL */ if(strcmp(shell, "DCL") == 0) { vms_shell = 1; return 1; } vms_shell = 0; return 0; } /* * VMS has two exit() routines. When running under a Unix style shell, then * Unix style and the __posix_exit() routine is used. * * When running under the DCL shell, then the VMS encoded codes and decc$exit() * is used. * * We can not use exit() or return a code from main() because the actual * routine called depends on both the compiler version, compile options, and * feature macro settings, and one of the exit routines is hidden at compile * time. * * Since we want Curl to work properly under the VMS DCL shell and Unix * shells under VMS, this routine should compile correctly regardless of * the settings. */ void vms_special_exit(int code, int vms_show) { int vms_code; /* The Posix exit mode is only available after VMS 7.0 */ #if __CRTL_VER >= 70000000 if(is_vms_shell() == 0) { decc$__posix_exit(code); } #endif if(code > CURL_LAST) { /* If CURL_LAST exceeded then */ vms_code = CURL_LAST; /* curlmsg.h is out of sync. */ } else { vms_code = vms_cond[code] | vms_show; } decc$exit(vms_code); } #include /* * 2004-09-19 SMS. * *---------------------------------------------------------------------- * * decc_init() * * On non-VAX systems, use LIB$INITIALIZE to set a collection of C * RTL features without using the DECC$* logical name method. * *---------------------------------------------------------------------- */ #ifdef __DECC #ifdef __CRTL_VER #if !defined( __VAX) && (__CRTL_VER >= 70301000) #include /*--------------------------------------------------------------------*/ /* Global storage. */ /* Flag to sense if decc_init() was called. */ int decc_init_done = -1; /*--------------------------------------------------------------------*/ /* decc_init() Uses LIB$INITIALIZE to set a collection of C RTL features without requiring the user to define the corresponding logical names. */ /* Structure to hold a DECC$* feature name and its desired value. */ typedef struct { char *name; int value; } decc_feat_t; /* Array of DECC$* feature names and their desired values. */ decc_feat_t decc_feat_array[] = { /* Preserve command-line case with SET PROCESS/PARSE_STYLE=EXTENDED */ { "DECC$ARGV_PARSE_STYLE", 1 }, /* Preserve case for file names on ODS5 disks. */ { "DECC$EFS_CASE_PRESERVE", 1 }, /* Enable multiple dots (and most characters) in ODS5 file names, while preserving VMS-ness of ";version". */ { "DECC$EFS_CHARSET", 1 }, /* List terminator. */ { (char *)NULL, 0 } }; /* LIB$INITIALIZE initialization function. */ static void decc_init( void) { int feat_index; int feat_value; int feat_value_max; int feat_value_min; int i; int sts; /* Set the global flag to indicate that LIB$INITIALIZE worked. */ decc_init_done = 1; /* Loop through all items in the decc_feat_array[]. */ for (i = 0; decc_feat_array[ i].name != NULL; i++) { /* Get the feature index. */ feat_index = decc$feature_get_index( decc_feat_array[ i].name); if (feat_index >= 0) { /* Valid item. Collect its properties. */ feat_value = decc$feature_get_value( feat_index, 1); feat_value_min = decc$feature_get_value( feat_index, 2); feat_value_max = decc$feature_get_value( feat_index, 3); if ((decc_feat_array[ i].value >= feat_value_min) && (decc_feat_array[ i].value <= feat_value_max)) { /* Valid value. Set it if necessary. */ if (feat_value != decc_feat_array[ i].value) { sts = decc$feature_set_value( feat_index, 1, decc_feat_array[ i].value); } } else { /* Invalid DECC feature value. */ printf( " INVALID DECC FEATURE VALUE, %d: %d <= %s <= %d.\n", feat_value, feat_value_min, decc_feat_array[ i].name, feat_value_max); } } else { /* Invalid DECC feature name. */ printf( " UNKNOWN DECC FEATURE: %s.\n", decc_feat_array[ i].name); } } } /* Get "decc_init()" into a valid, loaded LIB$INITIALIZE PSECT. */ #pragma nostandard /* Establish the LIB$INITIALIZE PSECTs, with proper alignment and other attributes. Note that "nopic" is significant only on VAX. */ #pragma extern_model save #pragma extern_model strict_refdef "LIB$INITIALIZ" 2, nopic, nowrt const int spare[ 8] = { 0 }; #pragma extern_model strict_refdef "LIB$INITIALIZE" 2, nopic, nowrt void (*const x_decc_init)() = decc_init; #pragma extern_model restore /* Fake reference to ensure loading the LIB$INITIALIZE PSECT. */ #pragma extern_model save int LIB$INITIALIZE( void); #pragma extern_model strict_refdef int dmy_lib$initialize = (int) LIB$INITIALIZE; #pragma extern_model restore #pragma standard #endif /* !defined( __VAX) && (__CRTL_VER >= 70301000) */ #endif /* def __CRTL_VER */ #endif /* def __DECC */ #endif /* __VMS */