167 lines
3.9 KiB
C
167 lines
3.9 KiB
C
/*
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* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
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* Copyright (C) 2004-2022 Kim Woelders
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "E.h"
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#include "desktops.h"
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#include "file.h"
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static void
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_ExecSetStartupId(void)
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{
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char buf[128];
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Desk *dsk;
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int ax, ay;
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dsk = DesksGetCurrent();
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DeskGetArea(dsk, &ax, &ay);
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Esnprintf(buf, sizeof(buf), "e16/%d:%d:%d,%d", Mode.apps.startup_id,
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dsk->num, ax, ay);
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Esetenv("DESKTOP_STARTUP_ID", buf);
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}
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static void
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_ExecSetupEnv(int flags)
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{
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int fd;
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setsid();
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/* Close all file descriptors except the std 3 */
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for (fd = 3; fd < 1024; fd++)
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close(fd);
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/* Set up env stuff */
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if (flags & EXEC_SET_LANG)
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LangExport();
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if (flags & EXEC_SET_STARTUP_ID)
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_ExecSetStartupId();
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#if USE_LIBHACK
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if (Mode.wm.window && !(flags & EXEC_NO_LIBHACK))
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{
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char buf[1024];
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Esnprintf(buf, sizeof(buf), "%s/libhack.so", EDirLib());
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Esetenv("LD_PRELOAD", buf);
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}
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#endif
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}
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void
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Eexec(const char *cmd)
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{
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char **lst;
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int num;
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_ExecSetupEnv(EXEC_NO_LIBHACK);
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lst = StrlistFromString(cmd, ' ', &num);
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execvp(lst[0], lst);
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StrlistFree(lst, num);
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}
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int
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EspawnApplication(const char *params, int flags)
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{
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int argc;
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char **argv;
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if (!params)
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return -1;
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if (EDebug(EDBUG_TYPE_EXEC))
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Eprintf("%s: '%s'\n", __func__, params);
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Mode.apps.startup_id++;
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if (fork())
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return 0;
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_ExecSetupEnv(flags);
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argv = StrlistDecodeEscaped(params, &argc);
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if (argc <= 0)
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return -1;
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execvp(argv[0], argv);
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if (!Mode.wm.startup)
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AlertOK(_("There was a problem running the command\n '%s'\nError: %m"),
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params);
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StrlistFree(argv, argc);
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exit(100);
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}
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static void
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_Espawn(int argc __UNUSED__, char **argv)
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{
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if (!argv || !argv[0])
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return;
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if (fork())
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return;
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_ExecSetupEnv(EXEC_SET_LANG | EXEC_SET_STARTUP_ID);
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execvp(argv[0], argv);
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AlertOK(_("There was a problem running the command\n '%s'\nError: %m"),
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argv[0]);
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exit(100);
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}
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__EXPORT__ void
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Espawn(const char *fmt, ...)
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{
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va_list args;
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char buf[FILEPATH_LEN_MAX];
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int argc;
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char **argv;
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va_start(args, fmt);
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vsnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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argv = StrlistDecodeEscaped(buf, &argc);
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_Espawn(argc, argv);
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StrlistFree(argv, argc);
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}
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int
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Esystem(const char *fmt, ...)
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{
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va_list args;
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char buf[FILEPATH_LEN_MAX];
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va_start(args, fmt);
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vsnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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return system(buf);
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}
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