=================================================================== RCS file: /cvs/mandoc/main.c,v retrieving revision 1.15 retrieving revision 1.178 diff -u -p -r1.15 -r1.178 --- mandoc/main.c 2009/03/25 21:03:13 1.15 +++ mandoc/main.c 2014/08/10 23:54:41 1.178 @@ -1,152 +1,142 @@ -/* $Id: main.c,v 1.15 2009/03/25 21:03:13 kristaps Exp $ */ +/* $Id: main.c,v 1.178 2014/08/10 23:54:41 schwarze Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons + * Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze + * Copyright (c) 2010 Joerg Sonnenberger * * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the - * above copyright notice and this permission notice appear in all - * copies. + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL - * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE - * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR - * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#include +#include "config.h" +#include + #include -#include -#include #include +#include #include #include #include +#include "mandoc.h" +#include "mandoc_aux.h" +#include "main.h" #include "mdoc.h" #include "man.h" -#ifdef __linux__ -extern int getsubopt(char **, char * const *, char **); -# ifndef __dead -# define __dead __attribute__((__noreturn__)) +#if !defined(__GNUC__) || (__GNUC__ < 2) +# if !defined(lint) +# define __attribute__(x) # endif -#elif defined(__dead2) -# ifndef __dead -# define __dead __dead2 -# endif -#endif +#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ -struct buf { - char *buf; - size_t sz; +typedef void (*out_mdoc)(void *, const struct mdoc *); +typedef void (*out_man)(void *, const struct man *); +typedef void (*out_free)(void *); + +enum outt { + OUTT_ASCII = 0, /* -Tascii */ + OUTT_LOCALE, /* -Tlocale */ + OUTT_UTF8, /* -Tutf8 */ + OUTT_TREE, /* -Ttree */ + OUTT_MAN, /* -Tman */ + OUTT_HTML, /* -Thtml */ + OUTT_XHTML, /* -Txhtml */ + OUTT_LINT, /* -Tlint */ + OUTT_PS, /* -Tps */ + OUTT_PDF /* -Tpdf */ }; struct curparse { - const char *file; - int wflags; -#define WARN_WALL 0x03 /* All-warnings mask. */ -#define WARN_WCOMPAT (1 << 0) /* Compatibility warnings. */ -#define WARN_WSYNTAX (1 << 1) /* Syntax warnings. */ -#define WARN_WERR (1 << 2) /* Warnings->errors. */ + struct mparse *mp; + enum mandoclevel wlevel; /* ignore messages below this */ + int wstop; /* stop after a file with a warning */ + enum outt outtype; /* which output to use */ + out_mdoc outmdoc; /* mdoc output ptr */ + out_man outman; /* man output ptr */ + out_free outfree; /* free output ptr */ + void *outdata; /* data for output */ + char outopts[BUFSIZ]; /* buf of output opts */ }; -#define IGN_SCOPE (1 << 0) /* Flag to ignore scope. */ -#define IGN_ESCAPE (1 << 1) /* Flag to ignore bad escapes. */ -#define IGN_MACRO (1 << 2) /* Flag to ignore unknown macros. */ +static int moptions(int *, char *); +static void mmsg(enum mandocerr, enum mandoclevel, + const char *, int, int, const char *); +static void parse(struct curparse *, int, + const char *, enum mandoclevel *); +static int toptions(struct curparse *, char *); +static void usage(void) __attribute__((noreturn)); +static void version(void) __attribute__((noreturn)); +static int woptions(struct curparse *, char *); -enum intt { - INTT_MDOC = 0, - INTT_MAN -}; +static const char *progname; -enum outt { - OUTT_ASCII = 0, - OUTT_LATIN1, - OUTT_UTF8, - OUTT_TREE, - OUTT_LINT -}; -typedef int (*out_run)(void *, const struct man *, - const struct mdoc *); -typedef void (*out_free)(void *); - -extern char *__progname; - -extern void *ascii_alloc(void); -extern void *latin1_alloc(void); -extern void *utf8_alloc(void); -extern int terminal_run(void *, const struct man *, - const struct mdoc *); -extern int tree_run(void *, const struct man *, - const struct mdoc *); -extern void terminal_free(void *); - -static int foptions(int *, char *); -static int toptions(enum outt *, char *); -static int moptions(enum intt *, char *); -static int woptions(int *, char *); -static int merr(void *, int, int, const char *); -static int manwarn(void *, int, int, const char *); -static int mdocwarn(void *, int, int, - enum mdoc_warn, const char *); -static int file(struct buf *, struct buf *, - const char *, - struct man *, struct mdoc *); -static int fdesc(struct buf *, struct buf *, - const char *, int, - struct man *, struct mdoc *); - -__dead static void version(void); -__dead static void usage(void); - - int main(int argc, char *argv[]) { - int c, rc, fflags, pflags; - struct mdoc_cb mdoccb; - struct man_cb mancb; - struct man *man; - struct mdoc *mdoc; - void *outdata; - enum outt outtype; - enum intt inttype; - struct buf ln, blk; - out_run outrun; - out_free outfree; + int c; struct curparse curp; + int options; + enum mandoclevel rc; + char *defos; - fflags = 0; - outtype = OUTT_ASCII; - inttype = INTT_MDOC; + progname = strrchr(argv[0], '/'); + if (progname == NULL) + progname = argv[0]; + else + ++progname; - bzero(&curp, sizeof(struct curparse)); + memset(&curp, 0, sizeof(struct curparse)); - /* LINTED */ - while (-1 != (c = getopt(argc, argv, "f:m:VW:T:"))) + options = MPARSE_SO; + curp.outtype = OUTT_ASCII; + curp.wlevel = MANDOCLEVEL_FATAL; + defos = NULL; + + while (-1 != (c = getopt(argc, argv, "I:m:O:T:VW:"))) switch (c) { - case ('f'): - if ( ! foptions(&fflags, optarg)) - return(0); + case 'I': + if (strncmp(optarg, "os=", 3)) { + fprintf(stderr, + "%s: -I%s: Bad argument\n", + progname, optarg); + return((int)MANDOCLEVEL_BADARG); + } + if (defos) { + fprintf(stderr, + "%s: -I%s: Duplicate argument\n", + progname, optarg); + return((int)MANDOCLEVEL_BADARG); + } + defos = mandoc_strdup(optarg + 3); break; - case ('m'): - if ( ! moptions(&inttype, optarg)) - return(0); + case 'm': + if ( ! moptions(&options, optarg)) + return((int)MANDOCLEVEL_BADARG); break; - case ('T'): - if ( ! toptions(&outtype, optarg)) - return(0); + case 'O': + (void)strlcat(curp.outopts, optarg, BUFSIZ); + (void)strlcat(curp.outopts, ",", BUFSIZ); break; - case ('W'): - if ( ! woptions(&curp.wflags, optarg)) - return(0); + case 'T': + if ( ! toptions(&curp, optarg)) + return((int)MANDOCLEVEL_BADARG); break; - case ('V'): + case 'W': + if ( ! woptions(&curp, optarg)) + return((int)MANDOCLEVEL_BADARG); + break; + case 'V': version(); /* NOTREACHED */ default: @@ -154,439 +144,287 @@ main(int argc, char *argv[]) /* NOTREACHED */ } - argc -= optind; - argv += optind; + curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos); /* - * Allocate the appropriate front-end. Note that utf8, ascii - * and latin1 all resolve to the terminal front-end with - * different encodings (see terminal.c). Not all frontends have - * cleanup or alloc routines. + * Conditionally start up the lookaside buffer before parsing. */ + if (OUTT_MAN == curp.outtype) + mparse_keep(curp.mp); - switch (outtype) { - case (OUTT_LATIN1): - outdata = latin1_alloc(); - outrun = terminal_run; - outfree = terminal_free; - break; - case (OUTT_UTF8): - outdata = utf8_alloc(); - outrun = terminal_run; - outfree = terminal_free; - break; - case (OUTT_TREE): - outdata = NULL; - outrun = tree_run; - outfree = NULL; - break; - case (OUTT_LINT): - outdata = NULL; - outrun = NULL; - outfree = NULL; - break; - default: - outdata = ascii_alloc(); - outrun = terminal_run; - outfree = terminal_free; - break; - } + argc -= optind; + argv += optind; - /* - * All callbacks route into here, where we print them onto the - * screen. XXX - for now, no path for debugging messages. - */ + rc = MANDOCLEVEL_OK; - mdoccb.mdoc_msg = NULL; - mdoccb.mdoc_err = merr; - mdoccb.mdoc_warn = mdocwarn; + if (NULL == *argv) + parse(&curp, STDIN_FILENO, "", &rc); - mancb.man_err = merr; - mancb.man_warn = manwarn; - - bzero(&ln, sizeof(struct buf)); - bzero(&blk, sizeof(struct buf)); - - man = NULL; - mdoc = NULL; - pflags = 0; - - switch (inttype) { - case (INTT_MAN): - if (fflags & IGN_MACRO) - pflags |= MAN_IGN_MACRO; - - man = man_alloc(&curp, pflags, &mancb); - break; - default: - if (fflags & IGN_SCOPE) - pflags |= MDOC_IGN_SCOPE; - if (fflags & IGN_ESCAPE) - pflags |= MDOC_IGN_ESCAPE; - if (fflags & IGN_MACRO) - pflags |= MDOC_IGN_MACRO; - - mdoc = mdoc_alloc(&curp, pflags, &mdoccb); - break; + while (*argv) { + parse(&curp, -1, *argv, &rc); + if (MANDOCLEVEL_OK != rc && curp.wstop) + break; + ++argv; } - /* - * Loop around available files. - */ + if (curp.outfree) + (*curp.outfree)(curp.outdata); + if (curp.mp) + mparse_free(curp.mp); + free(defos); - if (NULL == *argv) { - curp.file = ""; - rc = 0; - c = fdesc(&blk, &ln, "stdin", - STDIN_FILENO, man, mdoc); - - if (c && NULL == outrun) - rc = 1; - else if (c && outrun && (*outrun)(outdata, man, mdoc)) - rc = 1; - } else { - while (*argv) { - curp.file = *argv; - c = file(&blk, &ln, *argv, man, mdoc); - if ( ! c) - break; - if (outrun && ! (*outrun)(outdata, man, mdoc)) - break; - if (man) - man_reset(man); - if (mdoc) - mdoc_reset(mdoc); - - argv++; - } - rc = NULL == *argv; - } - - if (blk.buf) - free(blk.buf); - if (ln.buf) - free(ln.buf); - if (outfree) - (*outfree)(outdata); - if (mdoc) - mdoc_free(mdoc); - if (man) - man_free(man); - - return(rc ? EXIT_SUCCESS : EXIT_FAILURE); + return((int)rc); } - -__dead static void +static void version(void) { - (void)printf("%s %s\n", __progname, VERSION); - exit(0); - /* NOTREACHED */ + printf("%s %s\n", progname, VERSION); + exit((int)MANDOCLEVEL_OK); } - -__dead static void +static void usage(void) { - (void)fprintf(stderr, "usage: %s [-V] [-foption...] " - "[-mformat] [-Toutput] [-Werr...]\n", - __progname); - exit(1); - /* NOTREACHED */ + fprintf(stderr, "usage: %s " + "[-V] " + "[-Ios=name] " + "[-mformat] " + "[-Ooption] " + "[-Toutput] " + "[-Wlevel]\n" + "\t [file ...]\n", + progname); + + exit((int)MANDOCLEVEL_BADARG); } - -static int -file(struct buf *blk, struct buf *ln, const char *file, - struct man *man, struct mdoc *mdoc) +static void +parse(struct curparse *curp, int fd, const char *file, + enum mandoclevel *level) { - int fd, c; + enum mandoclevel rc; + struct mdoc *mdoc; + struct man *man; - if (-1 == (fd = open(file, O_RDONLY, 0))) { - warn("%s", file); - return(0); - } + /* Begin by parsing the file itself. */ - c = fdesc(blk, ln, file, fd, man, mdoc); + assert(file); + assert(fd >= -1); - if (-1 == close(fd)) - warn("%s", file); + rc = mparse_readfd(curp->mp, fd, file); - return(c); -} + /* Stop immediately if the parse has failed. */ + if (MANDOCLEVEL_FATAL <= rc) + goto cleanup; -static int -fdesc(struct buf *blk, struct buf *ln, - const char *f, int fd, - struct man *man, struct mdoc *mdoc) -{ - size_t sz; - ssize_t ssz; - struct stat st; - int j, i, pos, lnn; - - assert( ! (man && mdoc)); - /* - * Two buffers: ln and buf. buf is the input buffer, optimised - * for each file's block size. ln is a line buffer. Both - * growable, hence passed in by ptr-ptr. + * With -Wstop and warnings or errors of at least the requested + * level, do not produce output. */ - sz = BUFSIZ; + if (MANDOCLEVEL_OK != rc && curp->wstop) + goto cleanup; - if (-1 == fstat(fd, &st)) - warnx("%s", f); - else if ((size_t)st.st_blksize > sz) - sz = st.st_blksize; + /* If unset, allocate output dev now (if applicable). */ - if (sz > blk->sz) { - blk->buf = realloc(blk->buf, sz); - if (NULL == blk->buf) - err(1, "realloc"); - blk->sz = sz; - } + if ( ! (curp->outman && curp->outmdoc)) { + switch (curp->outtype) { + case OUTT_XHTML: + curp->outdata = xhtml_alloc(curp->outopts); + curp->outfree = html_free; + break; + case OUTT_HTML: + curp->outdata = html_alloc(curp->outopts); + curp->outfree = html_free; + break; + case OUTT_UTF8: + curp->outdata = utf8_alloc(curp->outopts); + curp->outfree = ascii_free; + break; + case OUTT_LOCALE: + curp->outdata = locale_alloc(curp->outopts); + curp->outfree = ascii_free; + break; + case OUTT_ASCII: + curp->outdata = ascii_alloc(curp->outopts); + curp->outfree = ascii_free; + break; + case OUTT_PDF: + curp->outdata = pdf_alloc(curp->outopts); + curp->outfree = pspdf_free; + break; + case OUTT_PS: + curp->outdata = ps_alloc(curp->outopts); + curp->outfree = pspdf_free; + break; + default: + break; + } - /* - * Fill buf with file blocksize and parse newlines into ln. - */ - - for (lnn = 1, pos = 0; ; ) { - if (-1 == (ssz = read(fd, blk->buf, sz))) { - warn("%s", f); - return(0); - } else if (0 == ssz) + switch (curp->outtype) { + case OUTT_HTML: + /* FALLTHROUGH */ + case OUTT_XHTML: + curp->outman = html_man; + curp->outmdoc = html_mdoc; break; + case OUTT_TREE: + curp->outman = tree_man; + curp->outmdoc = tree_mdoc; + break; + case OUTT_MAN: + curp->outmdoc = man_mdoc; + curp->outman = man_man; + break; + case OUTT_PDF: + /* FALLTHROUGH */ + case OUTT_ASCII: + /* FALLTHROUGH */ + case OUTT_UTF8: + /* FALLTHROUGH */ + case OUTT_LOCALE: + /* FALLTHROUGH */ + case OUTT_PS: + curp->outman = terminal_man; + curp->outmdoc = terminal_mdoc; + break; + default: + break; + } + } - for (i = 0; i < (int)ssz; i++) { - if (pos >= (int)ln->sz) { - ln->sz += 256; /* Step-size. */ - ln->buf = realloc(ln->buf, ln->sz); - if (NULL == ln->buf) - err(1, "realloc"); - } + mparse_result(curp->mp, &mdoc, &man, NULL); - if ('\n' != blk->buf[i]) { - ln->buf[pos++] = blk->buf[i]; - continue; - } + /* Execute the out device, if it exists. */ - /* Check for CPP-escaped newline. */ + if (man && curp->outman) + (*curp->outman)(curp->outdata, man); + if (mdoc && curp->outmdoc) + (*curp->outmdoc)(curp->outdata, mdoc); - if (pos > 0 && '\\' == ln->buf[pos - 1]) { - for (j = pos - 1; j >= 0; j--) - if ('\\' != ln->buf[j]) - break; + cleanup: - if ( ! ((pos - j) % 2)) { - pos--; - lnn++; - continue; - } - } + mparse_reset(curp->mp); - ln->buf[pos] = 0; - if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf)) - return(0); - if (man && ! man_parseln(man, lnn, ln->buf)) - return(0); - lnn++; - pos = 0; - } - } - - if (mdoc) - return(mdoc_endparse(mdoc)); - - return(man_endparse(man)); + if (*level < rc) + *level = rc; } - static int -moptions(enum intt *tflags, char *arg) +moptions(int *options, char *arg) { - if (0 == strcmp(arg, "mdoc")) - *tflags = INTT_MDOC; - else if (0 == strcmp(arg, "man")) - *tflags = INTT_MAN; + if (0 == strcmp(arg, "doc")) + *options |= MPARSE_MDOC; + else if (0 == strcmp(arg, "andoc")) + /* nothing to do */; + else if (0 == strcmp(arg, "an")) + *options |= MPARSE_MAN; else { - warnx("bad argument: -m%s", arg); + fprintf(stderr, "%s: -m%s: Bad argument\n", + progname, arg); return(0); } return(1); } - static int -toptions(enum outt *tflags, char *arg) +toptions(struct curparse *curp, char *arg) { if (0 == strcmp(arg, "ascii")) - *tflags = OUTT_ASCII; - else if (0 == strcmp(arg, "latin1")) - *tflags = OUTT_LATIN1; + curp->outtype = OUTT_ASCII; + else if (0 == strcmp(arg, "lint")) { + curp->outtype = OUTT_LINT; + curp->wlevel = MANDOCLEVEL_WARNING; + } else if (0 == strcmp(arg, "tree")) + curp->outtype = OUTT_TREE; + else if (0 == strcmp(arg, "man")) + curp->outtype = OUTT_MAN; + else if (0 == strcmp(arg, "html")) + curp->outtype = OUTT_HTML; else if (0 == strcmp(arg, "utf8")) - *tflags = OUTT_UTF8; - else if (0 == strcmp(arg, "lint")) - *tflags = OUTT_LINT; - else if (0 == strcmp(arg, "tree")) - *tflags = OUTT_TREE; + curp->outtype = OUTT_UTF8; + else if (0 == strcmp(arg, "locale")) + curp->outtype = OUTT_LOCALE; + else if (0 == strcmp(arg, "xhtml")) + curp->outtype = OUTT_XHTML; + else if (0 == strcmp(arg, "ps")) + curp->outtype = OUTT_PS; + else if (0 == strcmp(arg, "pdf")) + curp->outtype = OUTT_PDF; else { - warnx("bad argument: -T%s", arg); + fprintf(stderr, "%s: -T%s: Bad argument\n", + progname, arg); return(0); } return(1); } - -/* - * Parse out the options for [-fopt...] setting compiler options. These - * can be comma-delimited or called again. - */ static int -foptions(int *fflags, char *arg) +woptions(struct curparse *curp, char *arg) { - char *v; - char *toks[4]; + char *v, *o; + const char *toks[6]; - toks[0] = "ign-scope"; - toks[1] = "ign-escape"; - toks[2] = "ign-macro"; - toks[3] = NULL; - - while (*arg) - switch (getsubopt(&arg, toks, &v)) { - case (0): - *fflags |= IGN_SCOPE; - break; - case (1): - *fflags |= IGN_ESCAPE; - break; - case (2): - *fflags |= IGN_MACRO; - break; - default: - warnx("bad argument: -f%s", arg); - return(0); - } - - return(1); -} - - -/* - * Parse out the options for [-Werr...], which sets warning modes. - * These can be comma-delimited or called again. - */ -static int -woptions(int *wflags, char *arg) -{ - char *v; - char *toks[5]; - - toks[0] = "all"; - toks[1] = "compat"; - toks[2] = "syntax"; + toks[0] = "stop"; + toks[1] = "all"; + toks[2] = "warning"; toks[3] = "error"; - toks[4] = NULL; + toks[4] = "fatal"; + toks[5] = NULL; - while (*arg) - switch (getsubopt(&arg, toks, &v)) { - case (0): - *wflags |= WARN_WALL; + while (*arg) { + o = arg; + switch (getsubopt(&arg, UNCONST(toks), &v)) { + case 0: + curp->wstop = 1; break; - case (1): - *wflags |= WARN_WCOMPAT; + case 1: + /* FALLTHROUGH */ + case 2: + curp->wlevel = MANDOCLEVEL_WARNING; break; - case (2): - *wflags |= WARN_WSYNTAX; + case 3: + curp->wlevel = MANDOCLEVEL_ERROR; break; - case (3): - *wflags |= WARN_WERR; + case 4: + curp->wlevel = MANDOCLEVEL_FATAL; break; default: - warnx("bad argument: -W%s", arg); + fprintf(stderr, "%s: -W%s: Bad argument\n", + progname, o); return(0); } + } return(1); } - -/* ARGSUSED */ -static int -merr(void *arg, int line, int col, const char *msg) +static void +mmsg(enum mandocerr t, enum mandoclevel lvl, + const char *file, int line, int col, const char *msg) { - struct curparse *curp; + const char *mparse_msg; - curp = (struct curparse *)arg; + fprintf(stderr, "%s: %s:", progname, file); - warnx("%s:%d: error: %s (column %d)", - curp->file, line, msg, col); - return(0); -} + if (line) + fprintf(stderr, "%d:%d:", line, col + 1); + fprintf(stderr, " %s", mparse_strlevel(lvl)); -static int -mdocwarn(void *arg, int line, int col, - enum mdoc_warn type, const char *msg) -{ - struct curparse *curp; - char *wtype; + if (NULL != (mparse_msg = mparse_strerror(t))) + fprintf(stderr, ": %s", mparse_msg); - curp = (struct curparse *)arg; - wtype = NULL; + if (msg) + fprintf(stderr, ": %s", msg); - switch (type) { - case (WARN_COMPAT): - wtype = "compat"; - if (curp->wflags & WARN_WCOMPAT) - break; - return(1); - case (WARN_SYNTAX): - wtype = "syntax"; - if (curp->wflags & WARN_WSYNTAX) - break; - return(1); - } - - assert(wtype); - warnx("%s:%d: %s warning: %s (column %d)", - curp->file, line, wtype, msg, col); - - if ( ! (curp->wflags & WARN_WERR)) - return(1); - - warnx("%s: considering warnings as errors", - __progname); - return(0); -} - - -static int -manwarn(void *arg, int line, int col, const char *msg) -{ - struct curparse *curp; - - curp = (struct curparse *)arg; - - if ( ! (curp->wflags & WARN_WSYNTAX)) - return(1); - - warnx("%s:%d: syntax warning: %s (column %d)", - curp->file, line, msg, col); - - if ( ! (curp->wflags & WARN_WERR)) - return(1); - - warnx("%s: considering warnings as errors", - __progname); - return(0); + fputc('\n', stderr); }