… | |
… | |
11 | * Copyright (c) 1997 mj olesen <olesen@me.queensu.ca> |
11 | * Copyright (c) 1997 mj olesen <olesen@me.queensu.ca> |
12 | * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
12 | * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
13 | * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
13 | * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
14 | * - extensive modifications |
14 | * - extensive modifications |
15 | * Copyright (c) 2003-2008 Marc Lehmann <schmorp@schmorp.de> |
15 | * Copyright (c) 2003-2008 Marc Lehmann <schmorp@schmorp.de> |
|
|
16 | * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it> |
16 | * |
17 | * |
17 | * This program is free software; you can redistribute it and/or modify |
18 | * This program is free software; you can redistribute it and/or modify |
18 | * it under the terms of the GNU General Public License as published by |
19 | * it under the terms of the GNU General Public License as published by |
19 | * the Free Software Foundation; either version 2 of the License, or |
20 | * the Free Software Foundation; either version 3 of the License, or |
20 | * (at your option) any later version. |
21 | * (at your option) any later version. |
21 | * |
22 | * |
22 | * This program is distributed in the hope that it will be useful, |
23 | * This program is distributed in the hope that it will be useful, |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
… | |
… | |
41 | #include <limits> |
42 | #include <limits> |
42 | |
43 | |
43 | #include <signal.h> |
44 | #include <signal.h> |
44 | |
45 | |
45 | #include <fcntl.h> |
46 | #include <fcntl.h> |
|
|
47 | |
|
|
48 | #ifdef HAVE_XMU |
|
|
49 | # include <X11/Xmu/CurUtil.h> |
|
|
50 | #endif |
46 | |
51 | |
47 | #ifdef HAVE_XSETLOCALE |
52 | #ifdef HAVE_XSETLOCALE |
48 | # define X_LOCALE |
53 | # define X_LOCALE |
49 | # include <X11/Xlocale.h> |
54 | # include <X11/Xlocale.h> |
50 | #else |
55 | #else |
… | |
… | |
519 | #endif |
524 | #endif |
520 | COLOR_SCROLLBAR, |
525 | COLOR_SCROLLBAR, |
521 | #ifdef RXVT_SCROLLBAR |
526 | #ifdef RXVT_SCROLLBAR |
522 | COLOR_SCROLLTROUGH, |
527 | COLOR_SCROLLTROUGH, |
523 | #endif |
528 | #endif |
524 | #if ENABLE_TRANSPARENCY |
529 | #if BG_IMAGE_FROM_ROOT |
525 | NULL, |
530 | NULL, |
526 | #endif |
531 | #endif |
527 | #if OFF_FOCUS_FADING |
532 | #if OFF_FOCUS_FADING |
528 | "rgb:00/00/00", |
533 | "rgb:00/00/00", |
529 | #endif |
534 | #endif |
… | |
… | |
588 | xa = display->xa; |
593 | xa = display->xa; |
589 | |
594 | |
590 | set (display); |
595 | set (display); |
591 | extract_resources (); |
596 | extract_resources (); |
592 | |
597 | |
593 | #if XFT |
598 | #if ENABLE_FRILLS |
594 | if (rs[Rs_depth]) |
599 | if (rs[Rs_visual]) |
595 | select_visual (strtol (rs[Rs_depth], 0, 0)); |
600 | select_visual (strtol (rs[Rs_visual], 0, 0)); |
|
|
601 | else if (rs[Rs_depth]) |
|
|
602 | select_depth (strtol (rs[Rs_depth], 0, 0)); |
596 | #endif |
603 | #endif |
597 | |
604 | |
598 | for (int i = NUM_RESOURCES; i--; ) |
605 | for (int i = NUM_RESOURCES; i--; ) |
599 | if (rs [i] == resval_undef) |
606 | if (rs [i] == resval_undef) |
600 | rs [i] = 0; |
607 | rs [i] = 0; |
… | |
… | |
657 | if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0) |
664 | if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0) |
658 | pointerBlankDelay = i; |
665 | pointerBlankDelay = i; |
659 | else |
666 | else |
660 | pointerBlankDelay = 2; |
667 | pointerBlankDelay = 2; |
661 | #endif |
668 | #endif |
|
|
669 | |
|
|
670 | if (rs[Rs_multiClickTime] && (i = atoi (rs[Rs_multiClickTime])) >= 0) |
|
|
671 | multiClickTime = i; |
|
|
672 | else |
|
|
673 | multiClickTime = 500; |
|
|
674 | |
|
|
675 | cursor_type = option (Opt_cursorUnderline) ? 1 : 0; |
662 | |
676 | |
663 | /* no point having a scrollbar without having any scrollback! */ |
677 | /* no point having a scrollbar without having any scrollback! */ |
664 | if (!saveLines) |
678 | if (!saveLines) |
665 | set_option (Opt_scrollBar, 0); |
679 | set_option (Opt_scrollBar, 0); |
666 | |
680 | |
… | |
… | |
739 | envv->push_back (0); |
753 | envv->push_back (0); |
740 | |
754 | |
741 | this->argv = argv; |
755 | this->argv = argv; |
742 | this->envv = envv; |
756 | this->envv = envv; |
743 | |
757 | |
|
|
758 | env = new char *[this->envv->size ()]; |
|
|
759 | for (int i = 0; i < this->envv->size (); i++) |
|
|
760 | env[i] = this->envv->at (i); |
|
|
761 | |
744 | init2 (argv->size () - 1, argv->begin ()); |
762 | init2 (argv->size () - 1, argv->begin ()); |
745 | } |
763 | } |
746 | |
764 | |
747 | void |
765 | void |
748 | rxvt_term::init (int argc, const char *const *argv, const char *const *envv) |
766 | rxvt_term::init (int argc, const char *const *argv, const char *const *envv) |
… | |
… | |
766 | void |
784 | void |
767 | rxvt_term::init2 (int argc, const char *const *argv) |
785 | rxvt_term::init2 (int argc, const char *const *argv) |
768 | { |
786 | { |
769 | SET_R (this); |
787 | SET_R (this); |
770 | set_locale (""); |
788 | set_locale (""); |
771 | set_environ (envv); // a few things in X do not call setlocale :( |
789 | set_environ (env); // a few things in X do not call setlocale :( |
772 | |
790 | |
773 | init_vars (); |
791 | init_vars (); |
774 | |
792 | |
775 | const char **cmd_argv = init_resources (argc, argv); |
793 | const char **cmd_argv = init_resources (argc, argv); |
776 | |
794 | |
… | |
… | |
803 | XSynchronize (dpy, True); |
821 | XSynchronize (dpy, True); |
804 | #endif |
822 | #endif |
805 | |
823 | |
806 | if (option (Opt_scrollBar)) |
824 | if (option (Opt_scrollBar)) |
807 | scrollBar.resize (); /* create and map scrollbar */ |
825 | scrollBar.resize (); /* create and map scrollbar */ |
|
|
826 | |
808 | #ifdef HAVE_BG_PIXMAP |
827 | #ifdef HAVE_BG_PIXMAP |
809 | { |
|
|
810 | bg_init (); |
828 | bg_init (); |
811 | |
|
|
812 | #ifdef ENABLE_TRANSPARENCY |
|
|
813 | if (option (Opt_transparent)) |
|
|
814 | { |
|
|
815 | bg_set_transparent (); |
|
|
816 | |
|
|
817 | if (rs [Rs_blurradius]) |
|
|
818 | root_effects.set_blur (rs [Rs_blurradius]); |
|
|
819 | |
|
|
820 | if (ISSET_PIXCOLOR (Color_tint)) |
|
|
821 | root_effects.set_tint (pix_colors_focused [Color_tint]); |
|
|
822 | |
|
|
823 | if (rs [Rs_shade]) |
|
|
824 | root_effects.set_shade (rs [Rs_shade]); |
|
|
825 | |
|
|
826 | bg_set_root_pixmap (); |
|
|
827 | XSelectInput (dpy, display->root, PropertyChangeMask); |
|
|
828 | rootwin_ev.start (display, display->root); |
|
|
829 | } |
|
|
830 | #endif |
|
|
831 | } |
|
|
832 | #endif |
829 | #endif |
833 | |
830 | |
834 | #if ENABLE_PERL |
831 | #if ENABLE_PERL |
835 | rootwin_ev.start (display, display->root); |
832 | rootwin_ev.start (display, display->root); |
836 | #endif |
833 | #endif |
… | |
… | |
964 | |
961 | |
965 | /*----------------------------------------------------------------------*/ |
962 | /*----------------------------------------------------------------------*/ |
966 | void |
963 | void |
967 | rxvt_term::set_locale (const char *locale) |
964 | rxvt_term::set_locale (const char *locale) |
968 | { |
965 | { |
969 | set_environ (envv); |
966 | set_environ (env); |
970 | |
967 | |
971 | free (this->locale); |
968 | free (this->locale); |
972 | this->locale = setlocale (LC_CTYPE, locale); |
969 | this->locale = setlocale (LC_CTYPE, locale); |
973 | |
970 | |
974 | if (!this->locale) |
971 | if (!this->locale) |
… | |
… | |
1002 | } |
999 | } |
1003 | |
1000 | |
1004 | void |
1001 | void |
1005 | rxvt_term::init_xlocale () |
1002 | rxvt_term::init_xlocale () |
1006 | { |
1003 | { |
1007 | set_environ (envv); |
1004 | set_environ (env); |
1008 | |
1005 | |
1009 | #ifdef USE_XIM |
1006 | #if USE_XIM |
1010 | if (!locale) |
1007 | if (!locale) |
1011 | rxvt_warn ("setting locale failed, continuing without locale support.\n"); |
1008 | rxvt_warn ("setting locale failed, continuing without locale support.\n"); |
1012 | else |
1009 | else |
1013 | { |
1010 | { |
1014 | set_string_property (xa[XA_WM_LOCALE_NAME], locale); |
1011 | set_string_property (xa[XA_WM_LOCALE_NAME], locale); |
… | |
… | |
1064 | run_command (argv); |
1061 | run_command (argv); |
1065 | } |
1062 | } |
1066 | |
1063 | |
1067 | /*----------------------------------------------------------------------*/ |
1064 | /*----------------------------------------------------------------------*/ |
1068 | void |
1065 | void |
1069 | rxvt_term::get_colours () |
1066 | rxvt_term::get_colors () |
1070 | { |
1067 | { |
1071 | int i; |
1068 | int i; |
1072 | |
1069 | |
1073 | #ifdef OFF_FOCUS_FADING |
1070 | #ifdef OFF_FOCUS_FADING |
1074 | pix_colors = pix_colors_focused; |
1071 | pix_colors = pix_colors_focused; |
1075 | #endif |
1072 | #endif |
1076 | |
1073 | |
1077 | for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++) |
1074 | for (i = 0; i < NRS_COLORS; i++) |
1078 | { |
|
|
1079 | const char *name = rs[Rs_color + i]; |
1075 | if (const char *name = rs[Rs_color + i]) |
1080 | |
|
|
1081 | if (!name) |
|
|
1082 | continue; |
|
|
1083 | |
|
|
1084 | rxvt_color xcol; |
|
|
1085 | |
|
|
1086 | if (!set_color (xcol, name)) |
1076 | set_color (pix_colors [i], name); |
1087 | { |
|
|
1088 | #ifndef XTERM_REVERSE_VIDEO |
|
|
1089 | if (i < 2 && option (Opt_reverseVideo)) |
|
|
1090 | name = def_colorName [1 - i]; |
|
|
1091 | else |
|
|
1092 | #endif |
|
|
1093 | name = def_colorName [i]; |
|
|
1094 | |
|
|
1095 | if (!name) |
|
|
1096 | continue; |
|
|
1097 | |
|
|
1098 | if (!set_color (xcol, name)) |
|
|
1099 | { |
|
|
1100 | switch (i) |
|
|
1101 | { |
|
|
1102 | case Color_fg: |
|
|
1103 | case Color_bg: |
|
|
1104 | rxvt_warn ("unable to get foreground/background colour, continuing.\n"); |
|
|
1105 | name = ""; |
|
|
1106 | break; |
|
|
1107 | #ifndef NO_CURSORCOLOR |
|
|
1108 | case Color_cursor2: |
|
|
1109 | #endif |
|
|
1110 | case Color_pointer_fg: |
|
|
1111 | name = rs[Rs_color + Color_fg]; |
|
|
1112 | xcol.set (this, name); |
|
|
1113 | break; |
|
|
1114 | default: |
|
|
1115 | name = rs[Rs_color + Color_bg]; |
|
|
1116 | xcol.set (this, name); |
|
|
1117 | break; |
|
|
1118 | } |
|
|
1119 | } |
|
|
1120 | } |
|
|
1121 | |
|
|
1122 | pix_colors[i] = xcol; |
|
|
1123 | rs[Rs_color + i] = name; |
|
|
1124 | } |
|
|
1125 | |
|
|
1126 | if (depth <= 2) |
|
|
1127 | { |
|
|
1128 | if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg); |
|
|
1129 | if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg); |
|
|
1130 | if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg); |
|
|
1131 | } |
|
|
1132 | |
1077 | |
1133 | /* |
1078 | /* |
1134 | * get scrollBar shadow colors |
1079 | * get scrollBar shadow colors |
1135 | * |
1080 | * |
1136 | * The calculations of topShadow/bottomShadow values are adapted |
1081 | * The calculations of topShadow/bottomShadow values are adapted |
1137 | * from the fvwm window manager. |
1082 | * from the fvwm window manager. |
1138 | */ |
1083 | */ |
1139 | #ifdef RXVT_SCROLLBAR |
1084 | #ifdef RXVT_SCROLLBAR |
1140 | if (depth <= 2) |
|
|
1141 | { |
|
|
1142 | /* Monochrome */ |
|
|
1143 | alias_color (Color_scroll, Color_fg); |
|
|
1144 | alias_color (Color_topShadow, Color_bg); |
|
|
1145 | alias_color (Color_bottomShadow, Color_bg); |
|
|
1146 | } |
|
|
1147 | else |
|
|
1148 | { |
|
|
1149 | pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]); |
1085 | pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]); |
1150 | |
1086 | |
1151 | rgba cscroll; |
1087 | rgba cscroll; |
1152 | pix_colors [Color_scroll].get (cscroll); |
1088 | pix_colors [Color_scroll].get (cscroll); |
1153 | |
1089 | |
1154 | /* topShadowColor */ |
1090 | /* topShadowColor */ |
1155 | if (!pix_colors[Color_topShadow].set (this, |
1091 | if (!pix_colors[Color_topShadow].set (this, |
1156 | rgba ( |
1092 | rgba ( |
1157 | min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5), |
1093 | min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5), |
1158 | min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5), |
1094 | min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5), |
1159 | min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5), |
1095 | min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5), |
1160 | cscroll.a) |
1096 | cscroll.a) |
1161 | )) |
1097 | )) |
1162 | alias_color (Color_topShadow, Color_White); |
1098 | alias_color (Color_topShadow, Color_White); |
1163 | } |
|
|
1164 | #endif |
1099 | #endif |
1165 | |
1100 | |
1166 | #ifdef OFF_FOCUS_FADING |
1101 | #ifdef OFF_FOCUS_FADING |
1167 | for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++) |
1102 | for (i = 0; i < NRS_COLORS; i++) |
1168 | update_fade_color (i); |
1103 | update_fade_color (i, true); |
1169 | #endif |
1104 | #endif |
1170 | } |
1105 | } |
1171 | |
1106 | |
1172 | /*----------------------------------------------------------------------*/ |
1107 | /*----------------------------------------------------------------------*/ |
1173 | /* color aliases, fg/bg bright-bold */ |
1108 | /* color aliases, fg/bg bright-bold */ |
… | |
… | |
1222 | for (j = map->max_keypermod; j--; k++) |
1157 | for (j = map->max_keypermod; j--; k++) |
1223 | { |
1158 | { |
1224 | if (kc[k] == 0) |
1159 | if (kc[k] == 0) |
1225 | break; |
1160 | break; |
1226 | |
1161 | |
1227 | switch (XKeycodeToKeysym (dpy, kc[k], 0)) |
1162 | switch (rxvt_XKeycodeToKeysym (dpy, kc[k], 0)) |
1228 | { |
1163 | { |
1229 | case XK_Num_Lock: |
1164 | case XK_Num_Lock: |
1230 | ModNumLockMask = modmasks[i - 1]; |
1165 | ModNumLockMask = modmasks[i - 1]; |
1231 | continue; |
1166 | continue; |
1232 | |
1167 | |
… | |
… | |
1277 | } |
1212 | } |
1278 | |
1213 | |
1279 | void |
1214 | void |
1280 | rxvt_term::set_icon (const char *file) |
1215 | rxvt_term::set_icon (const char *file) |
1281 | { |
1216 | { |
1282 | #ifdef HAVE_PIXBUF |
1217 | #if HAVE_PIXBUF && ENABLE_EWMH |
1283 | GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file (file, NULL); |
1218 | GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file (file, NULL); |
1284 | if (!pixbuf) |
1219 | if (!pixbuf) |
1285 | { |
1220 | { |
1286 | rxvt_warn ("Loading image icon failed, continuing without.\n"); |
1221 | rxvt_warn ("Loading image icon failed, continuing without.\n"); |
1287 | return; |
1222 | return; |
… | |
… | |
1352 | Window top, parent; |
1287 | Window top, parent; |
1353 | |
1288 | |
1354 | dLocal (Display *, dpy); |
1289 | dLocal (Display *, dpy); |
1355 | |
1290 | |
1356 | /* grab colors before netscape does */ |
1291 | /* grab colors before netscape does */ |
1357 | get_colours (); |
1292 | get_colors (); |
1358 | |
1293 | |
1359 | if (!set_fonts ()) |
1294 | if (!set_fonts ()) |
1360 | rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n"); |
1295 | rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n"); |
1361 | |
1296 | |
1362 | parent = display->root; |
1297 | parent = display->root; |
… | |
… | |
1415 | classHint.res_name = (char *)rs[Rs_name]; |
1350 | classHint.res_name = (char *)rs[Rs_name]; |
1416 | classHint.res_class = (char *)RESCLASS; |
1351 | classHint.res_class = (char *)RESCLASS; |
1417 | |
1352 | |
1418 | wmHint.flags = InputHint | StateHint | WindowGroupHint; |
1353 | wmHint.flags = InputHint | StateHint | WindowGroupHint; |
1419 | wmHint.input = True; |
1354 | wmHint.input = True; |
1420 | wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState; |
1355 | wmHint.initial_state = option (Opt_iconic) ? IconicState |
|
|
1356 | : option (Opt_dockapp) ? WithdrawnState |
|
|
1357 | : NormalState; |
1421 | wmHint.window_group = top; |
1358 | wmHint.window_group = top; |
1422 | |
1359 | |
1423 | XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc, |
1360 | XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc, |
1424 | &szHint, &wmHint, &classHint); |
1361 | &szHint, &wmHint, &classHint); |
1425 | #if ENABLE_EWMH |
1362 | #if ENABLE_EWMH |
… | |
… | |
1427 | * set up icon hint |
1364 | * set up icon hint |
1428 | * rs [Rs_iconfile] is path to icon |
1365 | * rs [Rs_iconfile] is path to icon |
1429 | */ |
1366 | */ |
1430 | |
1367 | |
1431 | if (rs [Rs_iconfile]) |
1368 | if (rs [Rs_iconfile]) |
1432 | { |
|
|
1433 | set_icon (rs [Rs_iconfile]); |
1369 | set_icon (rs [Rs_iconfile]); |
1434 | } |
|
|
1435 | #endif |
1370 | #endif |
1436 | |
1371 | |
1437 | #if ENABLE_FRILLS |
1372 | #if ENABLE_FRILLS |
1438 | if (mwmhints.flags) |
1373 | if (mwmhints.flags) |
1439 | XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32, |
1374 | XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32, |
… | |
… | |
1473 | | ExposureMask | StructureNotifyMask); |
1408 | | ExposureMask | StructureNotifyMask); |
1474 | |
1409 | |
1475 | termwin_ev.start (display, top); |
1410 | termwin_ev.start (display, top); |
1476 | |
1411 | |
1477 | /* vt cursor: Black-on-White is standard, but this is more popular */ |
1412 | /* vt cursor: Black-on-White is standard, but this is more popular */ |
|
|
1413 | unsigned int shape = XC_xterm; |
|
|
1414 | |
|
|
1415 | #ifdef HAVE_XMU |
|
|
1416 | if (rs[Rs_pointerShape]) |
|
|
1417 | { |
|
|
1418 | int stmp = XmuCursorNameToIndex (rs[Rs_pointerShape]); |
|
|
1419 | if (stmp >= 0) |
|
|
1420 | shape = stmp; |
|
|
1421 | } |
|
|
1422 | #endif |
|
|
1423 | |
1478 | TermWin_cursor = XCreateFontCursor (dpy, XC_xterm); |
1424 | TermWin_cursor = XCreateFontCursor (dpy, shape); |
1479 | |
1425 | |
1480 | /* the vt window */ |
1426 | /* the vt window */ |
1481 | vt = XCreateSimpleWindow (dpy, top, |
1427 | vt = XCreateSimpleWindow (dpy, top, |
1482 | window_vt_x, window_vt_y, |
1428 | window_vt_x, window_vt_y, |
1483 | vt_width, vt_height, |
1429 | vt_width, vt_height, |
… | |
… | |
1515 | if (rs[Rs_fade]) |
1461 | if (rs[Rs_fade]) |
1516 | pix_colors = pix_colors_unfocused; |
1462 | pix_colors = pix_colors_unfocused; |
1517 | #endif |
1463 | #endif |
1518 | |
1464 | |
1519 | pointer_unblank (); |
1465 | pointer_unblank (); |
1520 | scr_recolour (); |
1466 | scr_recolor (); |
1521 | } |
1467 | } |
1522 | |
1468 | |
1523 | /*----------------------------------------------------------------------*/ |
1469 | /*----------------------------------------------------------------------*/ |
1524 | /* |
1470 | /* |
1525 | * Run the command in a subprocess and return a file descriptor for the |
1471 | * Run the command in a subprocess and return a file descriptor for the |