int next(char **argv) { static int done; int statok; if (argv) { _argv = argv; return(1); } for (;;) { if (*_argv) { done = 1; if (!(freopen(*_argv, "r", stdin))) { warn("%s", *_argv); exitval = 1; ++_argv; continue; } statok = 1; } else { if (done++) return(0); statok = 0; } if (caph_limit_stream(fileno(stdin), CAPH_READ) < 0) err(1, "unable to restrict %s", statok ? _argv[-1] : "stdin"); /* * We've opened our last input file; enter capsicum sandbox. */ if (*_argv == NULL) { if (cap_enter() < 0 && errno != ENOSYS) err(1, "unable to enter capability mode"); } if (skip) doskip(statok ? *_argv : "stdin", statok); if (*_argv) ++_argv; if (!skip) return(1); } /* NOTREACHED */ }
int main(int argc, char **argv) { bool quiet = false; int ch, i, *fds, fd; int ret = EXIT_SUCCESS; size_t nfds; FILE *fp; while ((ch = getopt(argc, argv, "qV")) != -1) { switch (ch) { case 'q': quiet = true; break; case 'V': /* Do nothing, compat with GNU rcs's ident */ return (EXIT_SUCCESS); default: errx(EXIT_FAILURE, "usage: %s [-q] [-V] [file...]", getprogname()); } } argc -= optind; argv += optind; if (caph_limit_stdio() < 0) err(EXIT_FAILURE, "unable to limit stdio"); if (argc == 0) { nfds = 1; fds = malloc(sizeof(*fds)); if (fds == NULL) err(EXIT_FAILURE, "unable to allocate fds array"); fds[0] = STDIN_FILENO; } else { nfds = argc; fds = malloc(sizeof(*fds) * nfds); if (fds == NULL) err(EXIT_FAILURE, "unable to allocate fds array"); for (i = 0; i < argc; i++) { fds[i] = fd = open(argv[i], O_RDONLY); if (fd < 0) { warn("%s", argv[i]); ret = EXIT_FAILURE; continue; } if (caph_limit_stream(fd, CAPH_READ) < 0) err(EXIT_FAILURE, "unable to limit fcntls/rights for %s", argv[i]); } } /* Enter Capsicum sandbox. */ if (cap_enter() < 0 && errno != ENOSYS) err(EXIT_FAILURE, "unable to enter capability mode"); for (i = 0; i < (int)nfds; i++) { if (fds[i] < 0) continue; fp = fdopen(fds[i], "r"); if (fp == NULL) { warn("%s", argv[i]); ret = EXIT_FAILURE; continue; } if (scan(fp, argc == 0 ? NULL : argv[i], quiet) != EXIT_SUCCESS) ret = EXIT_FAILURE; fclose(fp); } return (ret); }
int main(int argc, char **argv) { const char *setfilenames[MAX_DS - 1]; struct dataset *ds[MAX_DS - 1]; FILE *setfiles[MAX_DS - 1]; int nds; double a; const char *delim = " \t"; char *p; int c, i, ci; int column = 1; int flag_s = 0; int flag_n = 0; int termwidth = 74; int suppress_plot = 0; if (isatty(STDOUT_FILENO)) { struct winsize wsz; if ((p = getenv("COLUMNS")) != NULL && *p != '\0') termwidth = atoi(p); else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &wsz) != -1 && wsz.ws_col > 0) termwidth = wsz.ws_col - 2; } ci = -1; while ((c = getopt(argc, argv, "AC:c:d:snw:")) != -1) switch (c) { case 'A': suppress_plot = 1; break; case 'C': column = strtol(optarg, &p, 10); if (p != NULL && *p != '\0') usage("Invalid column number."); if (column <= 0) usage("Column number should be positive."); break; case 'c': a = strtod(optarg, &p); if (p != NULL && *p != '\0') usage("Not a floating point number"); for (i = 0; i < NCONF; i++) if (a == studentpct[i]) ci = i; if (ci == -1) usage("No support for confidence level"); break; case 'd': if (*optarg == '\0') usage("Can't use empty delimiter string"); delim = optarg; break; case 'n': flag_n = 1; break; case 's': flag_s = 1; break; case 'w': termwidth = strtol(optarg, &p, 10); if (p != NULL && *p != '\0') usage("Invalid width, not a number."); if (termwidth < 0) usage("Unable to move beyond left margin."); break; default: usage("Unknown option"); break; } if (ci == -1) ci = 2; argc -= optind; argv += optind; if (argc == 0) { setfilenames[0] = "<stdin>"; setfiles[0] = stdin; nds = 1; } else { if (argc > (MAX_DS - 1)) usage("Too many datasets."); nds = argc; for (i = 0; i < nds; i++) { setfilenames[i] = argv[i]; setfiles[i] = fopen(argv[i], "r"); if (setfiles[i] == NULL) err(2, "Cannot open %s", argv[i]); } } if (caph_limit_stdio() < 0) err(2, "capsicum"); for (i = 0; i < nds; i++) if (caph_limit_stream(fileno(setfiles[i]), CAPH_READ) < 0) err(2, "unable to limit rights for %s", setfilenames[i]); /* Enter Capsicum sandbox. */ if (cap_enter() < 0 && errno != ENOSYS) err(2, "unable to enter capability mode"); for (i = 0; i < nds; i++) { ds[i] = ReadSet(setfiles[i], setfilenames[i], column, delim); fclose(setfiles[i]); } for (i = 0; i < nds; i++) printf("%c %s\n", symbol[i+1], ds[i]->name); if (!flag_n && !suppress_plot) { SetupPlot(termwidth, flag_s, nds); for (i = 0; i < nds; i++) DimPlot(ds[i]); for (i = 0; i < nds; i++) PlotSet(ds[i], i + 1); DumpPlot(); } VitalsHead(); Vitals(ds[0], 1); for (i = 1; i < nds; i++) { Vitals(ds[i], i + 1); if (!flag_n) Relative(ds[i], ds[0], ci); } exit(0); }
void c_special(int fd1, const char *file1, off_t skip1, int fd2, const char *file2, off_t skip2) { int ch1, ch2; off_t byte, line; FILE *fp1, *fp2; int dfound; if (caph_limit_stream(fd1, CAPH_READ) < 0) err(ERR_EXIT, "caph_limit_stream(%s)", file1); if (caph_limit_stream(fd2, CAPH_READ) < 0) err(ERR_EXIT, "caph_limit_stream(%s)", file2); if (caph_enter() < 0) err(ERR_EXIT, "unable to enter capability mode"); if ((fp1 = fdopen(fd1, "r")) == NULL) err(ERR_EXIT, "%s", file1); if ((fp2 = fdopen(fd2, "r")) == NULL) err(ERR_EXIT, "%s", file2); dfound = 0; while (skip1--) if (getc(fp1) == EOF) goto eof; while (skip2--) if (getc(fp2) == EOF) goto eof; for (byte = line = 1;; ++byte) { ch1 = getc(fp1); ch2 = getc(fp2); if (ch1 == EOF || ch2 == EOF) break; if (ch1 != ch2) { if (xflag) { dfound = 1; (void)printf("%08llx %02x %02x\n", (long long)byte - 1, ch1, ch2); } else if (lflag) { dfound = 1; (void)printf("%6lld %3o %3o\n", (long long)byte, ch1, ch2); } else { diffmsg(file1, file2, byte, line); /* NOTREACHED */ } } if (ch1 == '\n') ++line; } eof: if (ferror(fp1)) err(ERR_EXIT, "%s", file1); if (ferror(fp2)) err(ERR_EXIT, "%s", file2); if (feof(fp1)) { if (!feof(fp2)) eofmsg(file1); } else if (feof(fp2)) eofmsg(file2); fclose(fp2); fclose(fp1); if (dfound) exit(DIFF_EXIT); }