mirror of
https://github.com/kovidgoyal/calibre.git
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31 lines
1.2 KiB
C
31 lines
1.2 KiB
C
#include "util.h"
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#include <stdlib.h>
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#include <libproc.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#define fatal(...) { fprintf(stderr, __VA_ARGS__); exit(EXIT_FAILURE); }
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#define arraysz(x) (sizeof(x)/sizeof(x[0]))
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int
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main(int argc, char * const *argv) {
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char pathbuf[PROC_PIDPATHINFO_MAXSIZE], realpath_buf[PROC_PIDPATHINFO_MAXSIZE * 5];
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pid_t pid = getpid();
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int ret = proc_pidpath(pid, pathbuf, arraysz(pathbuf));
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if (ret <= 0) fatal("failed to get executable path for current pid with error: %s", strerror(errno));
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char *path = realpath(pathbuf, realpath_buf);
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if (path == NULL) fatal("failed to get realpath for executable path with error: %s", strerror(errno));
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// We re-exec using an absolute path because the Qt WebEngine sandbox does not work
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// when running via symlink
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if (!IS_GUI && wcscmp(PROGRAM, L"calibre-parallel") != 0 && strcmp(argv[0], path) != 0) {
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char* new_argv[1024] = {0};
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new_argv[0] = path;
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for (int i = 1; i < argc && i < arraysz(new_argv) - 1; i++) new_argv[i] = argv[i];
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execv(path, new_argv);
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}
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run(PROGRAM, MODULE, FUNCTION, IS_GUI, argc, argv, path);
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return 0;
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}
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