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Comparing rxvt-unicode/src/init.C (file contents):
Revision 1.332 by root, Thu May 22 18:54:32 2014 UTC vs.
Revision 1.350 by root, Sat Jul 3 04:04:13 2021 UTC

… …
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 3 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.
… …
42 43
43#include <signal.h> 44#include <signal.h>
44 45
45#include <fcntl.h> 46#include <fcntl.h>
46 47
48#ifdef HAVE_XMU
49# include <X11/Xmu/CurUtil.h>
50#endif
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
51# include <locale.h> 56# include <locale.h>
… …
145 close (skfd); 150 close (skfd);
146 151
147 return rval; 152 return rval;
148} 153}
149#endif 154#endif
155
156#define NULL_5 \
157 NULL, \
158 NULL, \
159 NULL, \
160 NULL, \
161 NULL,
162
163#define NULL_10 \
164 NULL_5 \
165 NULL_5
166
167#define NULL_40 \
168 NULL_10 \
169 NULL_10 \
170 NULL_10 \
171 NULL_10
172
173#define NULL_50 \
174 NULL_40 \
175 NULL_10
176
177#define NULL_100 \
178 NULL_50 \
179 NULL_50
150 180
151static const char *const def_colorName[] = 181static const char *const def_colorName[] =
152 { 182 {
153 COLOR_FOREGROUND, 183 COLOR_FOREGROUND,
154 COLOR_BACKGROUND, 184 COLOR_BACKGROUND,
… …
251 "rgb:8b/8b/8b", 281 "rgb:8b/8b/8b",
252 "rgb:a2/a2/a2", 282 "rgb:a2/a2/a2",
253 "rgb:b9/b9/b9", 283 "rgb:b9/b9/b9",
254 "rgb:d0/d0/d0", 284 "rgb:d0/d0/d0",
255 "rgb:e7/e7/e7", 285 "rgb:e7/e7/e7",
286 NULL_100
287 NULL_40
288 NULL,
289 NULL,
290 NULL,
291 NULL,
256#else 292#else
257 // 256 xterm colours 293 // 256 xterm colours
258 "rgb:00/00/00", 294 "rgb:00/00/00",
259 "rgb:00/00/5f", 295 "rgb:00/00/5f",
260 "rgb:00/00/87", 296 "rgb:00/00/87",
… …
493 "rgb:c6/c6/c6", 529 "rgb:c6/c6/c6",
494 "rgb:d0/d0/d0", 530 "rgb:d0/d0/d0",
495 "rgb:da/da/da", 531 "rgb:da/da/da",
496 "rgb:e4/e4/e4", 532 "rgb:e4/e4/e4",
497 "rgb:ee/ee/ee", 533 "rgb:ee/ee/ee",
534 NULL_100
535 NULL_100
536 NULL_40
537 NULL_5
498#endif 538#endif
499 539
500#ifndef NO_CURSORCOLOR 540#ifndef NO_CURSORCOLOR
501 COLOR_CURSOR_BACKGROUND, 541 COLOR_CURSOR_BACKGROUND,
502 COLOR_CURSOR_FOREGROUND, 542 COLOR_CURSOR_FOREGROUND,
… …
519#endif 559#endif
520 COLOR_SCROLLBAR, 560 COLOR_SCROLLBAR,
521#ifdef RXVT_SCROLLBAR 561#ifdef RXVT_SCROLLBAR
522 COLOR_SCROLLTROUGH, 562 COLOR_SCROLLTROUGH,
523#endif 563#endif
524#if BG_IMAGE_FROM_ROOT
525 NULL,
526#endif
527#if OFF_FOCUS_FADING 564#if OFF_FOCUS_FADING
528 "rgb:00/00/00", 565 "rgb:00/00/00",
529#endif 566#endif
530 }; 567 };
531 568
… …
561 set_option (Opt_iso14755); 598 set_option (Opt_iso14755);
562 set_option (Opt_iso14755_52); 599 set_option (Opt_iso14755_52);
563 set_option (Opt_buffered); 600 set_option (Opt_buffered);
564} 601}
565 602
603#if ENABLE_PERL
604static void
605rxvt_perl_parse_resource (rxvt_term *term, const char *k, const char *v)
606{
607 rxvt_perl.parse_resource (term, k, false, false, 0, v);
608}
609#endif
610
566/*----------------------------------------------------------------------*/ 611/*----------------------------------------------------------------------*/
567const char ** 612const char **
568rxvt_term::init_resources (int argc, const char *const *argv) 613rxvt_term::init_resources (int argc, const char *const *argv)
569{ 614{
570 int i; 615 int i;
… …
608 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1]) 653 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
609 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2]) 654 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
610 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval])) 655 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
611 { 656 {
612 rxvt_perl.init (this); 657 rxvt_perl.init (this);
658 enumerate_resources (rxvt_perl_parse_resource);
613 HOOK_INVOKE ((this, HOOK_INIT, DT_END)); 659 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
614 } 660 }
615#endif 661#endif
616 662
617 // must be called after initialising the perl interpreter as it 663 // must be called after initialising the perl interpreter as it
… …
649 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ()); 695 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
650 696
651 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0) 697 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
652 lineSpace = min (i, std::numeric_limits<int16_t>::max ()); 698 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
653 699
654 if (rs[Rs_letterSpace]) 700 if (const char *v = rs[Rs_letterSpace])
655 letterSpace = atoi (rs[Rs_letterSpace]); 701 letterSpace = atoi (v);
702
703 rewrap_always = rewrap_never = 0;
704 if (const char *v = rs[Rs_rewrapMode])
705 if (!strcmp (v, "never"))
706 rewrap_never = 1;
707 else if (!strcmp (v, "always"))
708 rewrap_always = 1;
709 else if (!strcmp (v, "auto"))
710 /* nop **/;
711 else
712 rxvt_warn ("invalid rewrapMode, must be auto, always or never.\n");
656#endif 713#endif
657 714
658#ifdef POINTER_BLANK 715#ifdef POINTER_BLANK
659 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0) 716 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
660 pointerBlankDelay = i; 717 pointerBlankDelay = i;
661 else 718 else
662 pointerBlankDelay = 2; 719 pointerBlankDelay = 2;
663#endif 720#endif
721
722 if (rs[Rs_multiClickTime] && (i = atoi (rs[Rs_multiClickTime])) >= 0)
723 multiClickTime = i;
724 else
725 multiClickTime = 500;
726
727 cursor_type = option (Opt_cursorUnderline) ? 1 : 0;
664 728
665 /* no point having a scrollbar without having any scrollback! */ 729 /* no point having a scrollbar without having any scrollback! */
666 if (!saveLines) 730 if (!saveLines)
667 set_option (Opt_scrollBar, 0); 731 set_option (Opt_scrollBar, 0);
668 732
… …
741 envv->push_back (0); 805 envv->push_back (0);
742 806
743 this->argv = argv; 807 this->argv = argv;
744 this->envv = envv; 808 this->envv = envv;
745 809
810 env = new char *[this->envv->size ()];
811 for (int i = 0; i < this->envv->size (); i++)
812 env[i] = this->envv->at (i);
813
746 init2 (argv->size () - 1, argv->begin ()); 814 init2 (argv->size () - 1, argv->begin ());
747} 815}
748 816
749void 817void
750rxvt_term::init (int argc, const char *const *argv, const char *const *envv) 818rxvt_term::init (int argc, const char *const *argv, const char *const *envv)
… …
768void 836void
769rxvt_term::init2 (int argc, const char *const *argv) 837rxvt_term::init2 (int argc, const char *const *argv)
770{ 838{
771 SET_R (this); 839 SET_R (this);
772 set_locale (""); 840 set_locale ("");
773 set_environ (envv); // a few things in X do not call setlocale :( 841 set_environ (env); // a few things in X do not call setlocale :(
774 842
775 init_vars (); 843 init_vars ();
776 844
777 const char **cmd_argv = init_resources (argc, argv); 845 const char **cmd_argv = init_resources (argc, argv);
778 846
… …
805 XSynchronize (dpy, True); 873 XSynchronize (dpy, True);
806#endif 874#endif
807 875
808 if (option (Opt_scrollBar)) 876 if (option (Opt_scrollBar))
809 scrollBar.resize (); /* create and map scrollbar */ 877 scrollBar.resize (); /* create and map scrollbar */
810
811#ifdef HAVE_BG_PIXMAP
812 bg_init ();
813#endif
814 878
815#if ENABLE_PERL 879#if ENABLE_PERL
816 rootwin_ev.start (display, display->root); 880 rootwin_ev.start (display, display->root);
817#endif 881#endif
818 882
… …
920#ifdef RXVT_TERMINFO 984#ifdef RXVT_TERMINFO
921 putenv ("TERMINFO=" RXVT_TERMINFO); 985 putenv ("TERMINFO=" RXVT_TERMINFO);
922#endif 986#endif
923 987
924 if (depth <= 2) 988 if (depth <= 2)
925 putenv ("COLORTERM=" COLORTERMENV "-mono"); 989 putenv ((char *)"COLORTERM=" COLORTERMENV "-mono");
926 else 990 else
927 putenv ("COLORTERM=" COLORTERMENVFULL); 991 putenv ((char *)"COLORTERM=" COLORTERMENVFULL);
928 992
929 if (rs[Rs_term_name] != NULL) 993 if (rs[Rs_term_name] != NULL)
930 { 994 {
931 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6); 995 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
932 sprintf (env_term, "TERM=%s", rs[Rs_term_name]); 996 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
933 putenv (env_term); 997 putenv (env_term);
934 } 998 }
935 else 999 else
936 putenv ("TERM=" TERMENV); 1000 putenv ((char *)"TERM=" TERMENV);
937 1001
938#ifdef HAVE_UNSETENV 1002#ifdef HAVE_UNSETENV
939 /* avoid passing old settings and confusing term size */ 1003 /* avoid passing old settings and confusing term size */
940 unsetenv ("LINES"); 1004 unsetenv ("LINES");
941 unsetenv ("COLUMNS"); 1005 unsetenv ("COLUMNS");
… …
945 1009
946/*----------------------------------------------------------------------*/ 1010/*----------------------------------------------------------------------*/
947void 1011void
948rxvt_term::set_locale (const char *locale) 1012rxvt_term::set_locale (const char *locale)
949{ 1013{
950 set_environ (envv); 1014 set_environ (env);
951 1015
952 free (this->locale); 1016 free (this->locale);
953 this->locale = setlocale (LC_CTYPE, locale); 1017 this->locale = setlocale (LC_CTYPE, locale);
954 1018
955 if (!this->locale) 1019 if (!this->locale)
… …
960 setlocale (LC_CTYPE, "C"); 1024 setlocale (LC_CTYPE, "C");
961 } 1025 }
962 else 1026 else
963 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n"); 1027 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
964 1028
965 this->locale = "C"; 1029 this->locale = (char *)"C"; /* strdup'ed below */
966 } 1030 }
967 1031
968 1032
969 this->locale = strdup (this->locale); 1033 this->locale = strdup (this->locale);
970 SET_LOCALE (this->locale); 1034 SET_LOCALE (this->locale);
… …
983} 1047}
984 1048
985void 1049void
986rxvt_term::init_xlocale () 1050rxvt_term::init_xlocale ()
987{ 1051{
988 set_environ (envv); 1052 set_environ (env);
989 1053
990#if USE_XIM 1054#if USE_XIM
991 if (!locale) 1055 if (!locale)
992 rxvt_warn ("setting locale failed, continuing without locale support.\n"); 1056 rxvt_warn ("setting locale failed, continuing without locale support.\n");
993 else 1057 else
… …
1045 run_command (argv); 1109 run_command (argv);
1046} 1110}
1047 1111
1048/*----------------------------------------------------------------------*/ 1112/*----------------------------------------------------------------------*/
1049void 1113void
1050rxvt_term::get_colours () 1114rxvt_term::get_colors ()
1051{ 1115{
1052 int i; 1116 int i;
1053 1117
1054#ifdef OFF_FOCUS_FADING 1118#ifdef OFF_FOCUS_FADING
1055 pix_colors = pix_colors_focused; 1119 pix_colors = pix_colors_focused;
1056#endif 1120#endif
1057 1121
1058 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++) 1122 for (i = 0; i < NRS_COLORS; i++)
1059 {
1060 const char *name = rs[Rs_color + i]; 1123 if (const char *name = rs[Rs_color + i])
1061
1062 if (!name)
1063 continue;
1064
1065 rxvt_color xcol;
1066
1067 if (!set_color (xcol, name)) 1124 set_color (pix_colors [i], name);
1068 {
1069#ifndef XTERM_REVERSE_VIDEO
1070 if (i < 2 && option (Opt_reverseVideo))
1071 name = def_colorName [1 - i];
1072 else
1073#endif
1074 name = def_colorName [i];
1075
1076 if (!name)
1077 continue;
1078
1079 if (!set_color (xcol, name))
1080 {
1081 switch (i)
1082 {
1083 case Color_fg:
1084 case Color_bg:
1085 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
1086 name = "";
1087 break;
1088#ifndef NO_CURSORCOLOR
1089 case Color_cursor2:
1090#endif
1091 case Color_pointer_fg:
1092 name = rs[Rs_color + Color_fg];
1093 xcol.set (this, name);
1094 break;
1095 default:
1096 name = rs[Rs_color + Color_bg];
1097 xcol.set (this, name);
1098 break;
1099 }
1100 }
1101 }
1102
1103 pix_colors[i] = xcol;
1104 rs[Rs_color + i] = name;
1105 }
1106
1107 if (depth <= 2)
1108 {
1109 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
1110 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
1111 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
1112 }
1113 1125
1114 /* 1126 /*
1115 * get scrollBar shadow colors 1127 * get scrollBar shadow colors
1116 * 1128 *
1117 * The calculations of topShadow/bottomShadow values are adapted 1129 * The calculations of topShadow/bottomShadow values are adapted
1118 * from the fvwm window manager. 1130 * from the fvwm window manager.
1119 */ 1131 */
1120#ifdef RXVT_SCROLLBAR 1132#ifdef RXVT_SCROLLBAR
1121 if (depth <= 2)
1122 {
1123 /* Monochrome */
1124 alias_color (Color_scroll, Color_fg);
1125 alias_color (Color_topShadow, Color_bg);
1126 alias_color (Color_bottomShadow, Color_bg);
1127 }
1128 else
1129 {
1130 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]); 1133 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
1131 1134
1132 rgba cscroll; 1135 rgba cscroll;
1133 pix_colors [Color_scroll].get (cscroll); 1136 pix_colors [Color_scroll].get (cscroll);
1134 1137
1135 /* topShadowColor */ 1138 /* topShadowColor */
1136 if (!pix_colors[Color_topShadow].set (this, 1139 if (!pix_colors[Color_topShadow].set (this,
1137 rgba ( 1140 rgba (
1138 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5), 1141 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
1139 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5), 1142 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
1140 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5), 1143 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
1141 cscroll.a) 1144 cscroll.a)
1142 )) 1145 ))
1143 alias_color (Color_topShadow, Color_White); 1146 alias_color (Color_topShadow, Color_White);
1144 }
1145#endif 1147#endif
1146 1148
1147#ifdef OFF_FOCUS_FADING 1149#ifdef OFF_FOCUS_FADING
1148 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++) 1150 for (i = 0; i < NRS_COLORS; i++)
1149 update_fade_color (i); 1151 update_fade_color (i, true);
1150#endif 1152#endif
1151} 1153}
1152 1154
1153/*----------------------------------------------------------------------*/ 1155/*----------------------------------------------------------------------*/
1154/* color aliases, fg/bg bright-bold */ 1156/* color aliases, fg/bg bright-bold */
… …
1203 for (j = map->max_keypermod; j--; k++) 1205 for (j = map->max_keypermod; j--; k++)
1204 { 1206 {
1205 if (kc[k] == 0) 1207 if (kc[k] == 0)
1206 break; 1208 break;
1207 1209
1208 switch (XKeycodeToKeysym (dpy, kc[k], 0)) 1210 switch (rxvt_XKeycodeToKeysym (dpy, kc[k], 0))
1209 { 1211 {
1210 case XK_Num_Lock: 1212 case XK_Num_Lock:
1211 ModNumLockMask = modmasks[i - 1]; 1213 ModNumLockMask = modmasks[i - 1];
1212 continue; 1214 continue;
1213 1215
… …
1258} 1260}
1259 1261
1260void 1262void
1261rxvt_term::set_icon (const char *file) 1263rxvt_term::set_icon (const char *file)
1262{ 1264{
1263#if HAVE_PIXBUF 1265#if HAVE_PIXBUF && ENABLE_EWMH
1264 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file (file, NULL); 1266 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file (file, NULL);
1265 if (!pixbuf) 1267 if (!pixbuf)
1266 { 1268 {
1267 rxvt_warn ("Loading image icon failed, continuing without.\n"); 1269 rxvt_warn ("Loading image icon failed, continuing without.\n");
1268 return; 1270 return;
… …
1333 Window top, parent; 1335 Window top, parent;
1334 1336
1335 dLocal (Display *, dpy); 1337 dLocal (Display *, dpy);
1336 1338
1337 /* grab colors before netscape does */ 1339 /* grab colors before netscape does */
1338 get_colours (); 1340 get_colors ();
1339 1341
1340 if (!set_fonts ()) 1342 if (!set_fonts ())
1341 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n"); 1343 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
1342 1344
1343 parent = display->root; 1345 parent = display->root;
… …
1396 classHint.res_name = (char *)rs[Rs_name]; 1398 classHint.res_name = (char *)rs[Rs_name];
1397 classHint.res_class = (char *)RESCLASS; 1399 classHint.res_class = (char *)RESCLASS;
1398 1400
1399 wmHint.flags = InputHint | StateHint | WindowGroupHint; 1401 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1400 wmHint.input = True; 1402 wmHint.input = True;
1401 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState; 1403 wmHint.initial_state = option (Opt_iconic) ? IconicState
1404 : option (Opt_dockapp) ? WithdrawnState
1405 : NormalState;
1402 wmHint.window_group = top; 1406 wmHint.window_group = top;
1403 1407
1404 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc, 1408 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1405 &szHint, &wmHint, &classHint); 1409 &szHint, &wmHint, &classHint);
1406#if ENABLE_EWMH 1410#if ENABLE_EWMH
… …
1452 | ExposureMask | StructureNotifyMask); 1456 | ExposureMask | StructureNotifyMask);
1453 1457
1454 termwin_ev.start (display, top); 1458 termwin_ev.start (display, top);
1455 1459
1456 /* vt cursor: Black-on-White is standard, but this is more popular */ 1460 /* vt cursor: Black-on-White is standard, but this is more popular */
1461 unsigned int shape = XC_xterm;
1462
1463#ifdef HAVE_XMU
1464 if (rs[Rs_pointerShape])
1465 {
1466 int stmp = XmuCursorNameToIndex (rs[Rs_pointerShape]);
1467 if (stmp >= 0)
1468 shape = stmp;
1469 }
1470#endif
1471
1457 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm); 1472 TermWin_cursor = XCreateFontCursor (dpy, shape);
1458 1473
1459 /* the vt window */ 1474 /* the vt window */
1460 vt = XCreateSimpleWindow (dpy, top, 1475 vt = XCreateSimpleWindow (dpy, top,
1461 window_vt_x, window_vt_y, 1476 window_vt_x, window_vt_y,
1462 vt_width, vt_height, 1477 vt_width, vt_height,
… …
1494 if (rs[Rs_fade]) 1509 if (rs[Rs_fade])
1495 pix_colors = pix_colors_unfocused; 1510 pix_colors = pix_colors_unfocused;
1496#endif 1511#endif
1497 1512
1498 pointer_unblank (); 1513 pointer_unblank ();
1499 scr_recolour (); 1514 scr_recolor ();
1500} 1515}
1501 1516
1502/*----------------------------------------------------------------------*/ 1517/*----------------------------------------------------------------------*/
1503/* 1518/*
1504 * Run the command in a subprocess and return a file descriptor for the 1519 * Run the command in a subprocess and return a file descriptor for the

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