int pos_in(BOX *box,BOXLIST *boxlistpointer,int pos) { if(box==boxlistpointer->box) return pos; else pos_in(box,boxlistpointer->link,pos+1); }
static void setup(void) { if (in.name == NULL) { in.name = "stdin"; in.fd = STDIN_FILENO; } else { in.fd = open(in.name, O_RDONLY, 0); if (in.fd < 0) err(EXIT_FAILURE, "%s", in.name); /* NOTREACHED */ /* Ensure in.fd is outside the stdio descriptor range */ in.fd = redup_clean_fd(in.fd); } getfdtype(&in); if (files_cnt > 1 && !(in.flags & ISTAPE)) { errx(EXIT_FAILURE, "files is not supported for non-tape devices"); /* NOTREACHED */ } if (out.name == NULL) { /* No way to check for read access here. */ out.fd = STDOUT_FILENO; out.name = "stdout"; } else { #define OFLAGS \ (O_CREAT | (ddflags & (C_SEEK | C_NOTRUNC) ? 0 : O_TRUNC)) out.fd = open(out.name, O_RDWR | OFLAGS, DEFFILEMODE); /* * May not have read access, so try again with write only. * Without read we may have a problem if output also does * not support seeks. */ if (out.fd < 0) { out.fd = open(out.name, O_WRONLY | OFLAGS, DEFFILEMODE); out.flags |= NOREAD; } if (out.fd < 0) { err(EXIT_FAILURE, "%s", out.name); /* NOTREACHED */ } /* Ensure out.fd is outside the stdio descriptor range */ out.fd = redup_clean_fd(out.fd); } getfdtype(&out); /* * Allocate space for the input and output buffers. If not doing * record oriented I/O, only need a single buffer. */ if (!(ddflags & (C_BLOCK|C_UNBLOCK))) { if ((in.db = malloc(out.dbsz + in.dbsz - 1)) == NULL) { err(EXIT_FAILURE, NULL); /* NOTREACHED */ } out.db = in.db; } else if ((in.db = malloc((u_int)(MAX(in.dbsz, cbsz) + cbsz))) == NULL || (out.db = malloc((u_int)(out.dbsz + cbsz))) == NULL) { err(EXIT_FAILURE, NULL); /* NOTREACHED */ } in.dbp = in.db; out.dbp = out.db; /* Position the input/output streams. */ if (in.offset) pos_in(); if (out.offset) pos_out(); /* * Truncate the output file; ignore errors because it fails on some * kinds of output files, tapes, for example. */ if ((ddflags & (C_OF | C_SEEK | C_NOTRUNC)) == (C_OF | C_SEEK)) (void)ftruncate(out.fd, (off_t)out.offset * out.dbsz); /* * If converting case at the same time as another conversion, build a * table that does both at once. If just converting case, use the * built-in tables. */ if (ddflags & (C_LCASE|C_UCASE)) { #ifdef NO_CONV /* Should not get here, but just in case... */ errx(EXIT_FAILURE, "case conv and -DNO_CONV"); /* NOTREACHED */ #else /* NO_CONV */ u_int cnt; if (ddflags & C_ASCII || ddflags & C_EBCDIC) { if (ddflags & C_LCASE) { for (cnt = 0; cnt < 256; ++cnt) casetab[cnt] = tolower(ctab[cnt]); } else { for (cnt = 0; cnt < 256; ++cnt) casetab[cnt] = toupper(ctab[cnt]); } } else { if (ddflags & C_LCASE) { for (cnt = 0; cnt < 256; ++cnt) casetab[cnt] = tolower(cnt); } else { for (cnt = 0; cnt < 256; ++cnt) casetab[cnt] = toupper(cnt); } } ctab = casetab; #endif /* NO_CONV */ } (void)gettimeofday(&st.start, NULL); /* Statistics timestamp. */ }
static void setup(void) { u_int cnt; struct timeval tv; if (in.name == NULL) { in.name = "stdin"; in.fd = STDIN_FILENO; } else { in.fd = open(in.name, O_RDONLY, 0); if (in.fd == -1) err(1, "%s", in.name); } getfdtype(&in); if (files_cnt > 1 && !(in.flags & ISTAPE)) errx(1, "files is not supported for non-tape devices"); if (out.name == NULL) { /* No way to check for read access here. */ out.fd = STDOUT_FILENO; out.name = "stdout"; } else { #define OFLAGS \ (O_CREAT | (ddflags & (C_SEEK | C_NOTRUNC) ? 0 : O_TRUNC)) out.fd = open(out.name, O_RDWR | OFLAGS, DEFFILEMODE); /* * May not have read access, so try again with write only. * Without read we may have a problem if output also does * not support seeks. */ if (out.fd == -1) { out.fd = open(out.name, O_WRONLY | OFLAGS, DEFFILEMODE); out.flags |= NOREAD; } if (out.fd == -1) err(1, "%s", out.name); } getfdtype(&out); /* * Allocate space for the input and output buffers. If not doing * record oriented I/O, only need a single buffer. */ if (!(ddflags & (C_BLOCK | C_UNBLOCK))) { if ((in.db = malloc(out.dbsz + in.dbsz - 1)) == NULL) err(1, "input buffer"); out.db = in.db; } else if ((in.db = malloc(MAX(in.dbsz, cbsz) + cbsz)) == NULL || (out.db = malloc(out.dbsz + cbsz)) == NULL) err(1, "output buffer"); in.dbp = in.db; out.dbp = out.db; /* Position the input/output streams. */ if (in.offset) pos_in(); if (out.offset) pos_out(); /* * Truncate the output file. If it fails on a type of output file * that it should _not_ fail on, error out. */ if ((ddflags & (C_OF | C_SEEK | C_NOTRUNC)) == (C_OF | C_SEEK) && out.flags & ISTRUNC) if (ftruncate(out.fd, out.offset * out.dbsz) == -1) err(1, "truncating %s", out.name); /* * If converting case at the same time as another conversion, build a * table that does both at once. If just converting case, use the * built-in tables. */ if (ddflags & (C_LCASE | C_UCASE)) { if (ddflags & (C_ASCII | C_EBCDIC)) { if (ddflags & C_LCASE) { for (cnt = 0; cnt <= 0377; ++cnt) casetab[cnt] = tolower(ctab[cnt]); } else { for (cnt = 0; cnt <= 0377; ++cnt) casetab[cnt] = toupper(ctab[cnt]); } } else { if (ddflags & C_LCASE) { for (cnt = 0; cnt <= 0377; ++cnt) casetab[cnt] = tolower((int)cnt); } else { for (cnt = 0; cnt <= 0377; ++cnt) casetab[cnt] = toupper((int)cnt); } } ctab = casetab; } (void)gettimeofday(&tv, (struct timezone *)NULL); st.start = tv.tv_sec + tv.tv_usec * 1e-6; }
/************************************************************************* POSITION_IN(b,ADDLIST(t,l))= POS_IN(b,ADDLIST(t,l),0); POS_IN(b,ADDLIST(t,l),pos) = if b=t then pos else POS_IN(b,l,pos+1); **************************************************************************/ int position_in(BOX *box,BOXLIST *boxlist) { return pos_in(box,boxlist,0); }
static void setup(void) { if (in.name == NULL) { in.name = "stdin"; in.fd = STDIN_FILENO; } else { in.fd = open(in.name, O_RDONLY, 0); if (in.fd < 0) { fprintf(stderr, "%s: cannot open for read: %s\n", in.name, strerror(errno)); exit(1); /* NOTREACHED */ } /* Ensure in.fd is outside the stdio descriptor range */ in.fd = redup_clean_fd(in.fd); } getfdtype(&in); if (files_cnt > 1 && !(in.flags & ISTAPE)) { fprintf(stderr, "files is not supported for non-tape devices\n"); exit(1); /* NOTREACHED */ } if (out.name == NULL) { /* No way to check for read access here. */ out.fd = STDOUT_FILENO; out.name = "stdout"; } else { #define OFLAGS \ (O_CREAT | (ddflags & (C_SEEK | C_NOTRUNC) ? 0 : O_TRUNC)) out.fd = open(out.name, O_RDWR | OFLAGS, DEFFILEMODE); /* * May not have read access, so try again with write only. * Without read we may have a problem if output also does * not support seeks. */ if (out.fd < 0) { out.fd = open(out.name, O_WRONLY | OFLAGS, DEFFILEMODE); out.flags |= NOREAD; } if (out.fd < 0) { fprintf(stderr, "%s: cannot open for write: %s\n", out.name, strerror(errno)); exit(1); /* NOTREACHED */ } /* Ensure out.fd is outside the stdio descriptor range */ out.fd = redup_clean_fd(out.fd); } getfdtype(&out); /* * Allocate space for the input and output buffers. If not doing * record oriented I/O, only need a single buffer. */ if (!(ddflags & (C_BLOCK|C_UNBLOCK))) { if ((in.db = malloc(out.dbsz + in.dbsz - 1)) == NULL) { exit(1); /* NOTREACHED */ } out.db = in.db; } else if ((in.db = malloc((u_int)(MAX(in.dbsz, cbsz) + cbsz))) == NULL || (out.db = malloc((u_int)(out.dbsz + cbsz))) == NULL) { exit(1); /* NOTREACHED */ } in.dbp = in.db; out.dbp = out.db; /* Position the input/output streams. */ if (in.offset) pos_in(); if (out.offset) pos_out(); /* * Truncate the output file; ignore errors because it fails on some * kinds of output files, tapes, for example. */ if ((ddflags & (C_OF | C_SEEK | C_NOTRUNC)) == (C_OF | C_SEEK)) (void)ftruncate(out.fd, (off_t)out.offset * out.dbsz); (void)gettimeofday(&st.start, NULL); /* Statistics timestamp. */ }