version 1.147, 2011/03/07 01:35:51 |
version 1.190, 2014/09/03 05:22:45 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org> |
|
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/mman.h> |
#include <sys/types.h> |
#include <sys/stat.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdint.h> |
#include <stdint.h> |
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#include <unistd.h> |
#include <unistd.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "main.h" |
#include "main.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
#include "roff.h" |
#include "manpath.h" |
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#include "mansearch.h" |
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#ifndef MAP_FILE |
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#define MAP_FILE 0 |
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#endif |
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#define REPARSE_LIMIT 1000 |
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#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a)) |
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/* FIXME: Intel's compiler? LLVM? pcc? */ |
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#if !defined(__GNUC__) || (__GNUC__ < 2) |
#if !defined(__GNUC__) || (__GNUC__ < 2) |
# if !defined(lint) |
# if !defined(lint) |
# define __attribute__(x) |
# define __attribute__(x) |
# endif |
# endif |
#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ |
#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ |
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enum outmode { |
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OUTMODE_DEF = 0, |
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OUTMODE_FLN, |
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OUTMODE_LST, |
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OUTMODE_ALL, |
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OUTMODE_INT, |
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OUTMODE_ONE |
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}; |
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typedef void (*out_mdoc)(void *, const struct mdoc *); |
typedef void (*out_mdoc)(void *, const struct mdoc *); |
typedef void (*out_man)(void *, const struct man *); |
typedef void (*out_man)(void *, const struct man *); |
typedef void (*out_free)(void *); |
typedef void (*out_free)(void *); |
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struct buf { |
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char *buf; |
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size_t sz; |
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}; |
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enum intt { |
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INTT_AUTO, |
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INTT_MDOC, |
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INTT_MAN |
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}; |
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enum outt { |
enum outt { |
OUTT_ASCII = 0, |
OUTT_ASCII = 0, /* -Tascii */ |
OUTT_TREE, |
OUTT_LOCALE, /* -Tlocale */ |
OUTT_HTML, |
OUTT_UTF8, /* -Tutf8 */ |
OUTT_XHTML, |
OUTT_TREE, /* -Ttree */ |
OUTT_LINT, |
OUTT_MAN, /* -Tman */ |
OUTT_PS, |
OUTT_HTML, /* -Thtml */ |
OUTT_PDF |
OUTT_XHTML, /* -Txhtml */ |
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OUTT_LINT, /* -Tlint */ |
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OUTT_PS, /* -Tps */ |
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OUTT_PDF /* -Tpdf */ |
}; |
}; |
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struct curparse { |
struct curparse { |
const char *file; /* Current parse. */ |
struct mparse *mp; |
int fd; /* Current parse. */ |
enum mandoclevel wlevel; /* ignore messages below this */ |
int line; /* Line number in the file. */ |
int wstop; /* stop after a file with a warning */ |
enum mandoclevel wlevel; /* Ignore messages below this. */ |
enum outt outtype; /* which output to use */ |
int wstop; /* Stop after a file with a warning. */ |
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enum intt inttype; /* which parser to use */ |
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struct man *pman; /* persistent man parser */ |
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struct mdoc *pmdoc; /* persistent mdoc parser */ |
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struct man *man; /* man parser */ |
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struct mdoc *mdoc; /* mdoc parser */ |
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struct roff *roff; /* roff parser (!NULL) */ |
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struct regset regs; /* roff registers */ |
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int reparse_count; /* finite interpolation stack */ |
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enum outt outtype; /* which output to use */ |
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out_mdoc outmdoc; /* mdoc output ptr */ |
out_mdoc outmdoc; /* mdoc output ptr */ |
out_man outman; /* man output ptr */ |
out_man outman; /* man output ptr */ |
out_free outfree; /* free output ptr */ |
out_free outfree; /* free output ptr */ |
void *outdata; /* data for output */ |
void *outdata; /* data for output */ |
char outopts[BUFSIZ]; /* buf of output opts */ |
char outopts[BUFSIZ]; /* buf of output opts */ |
}; |
}; |
|
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static const char * const mandoclevels[MANDOCLEVEL_MAX] = { |
static int moptions(int *, char *); |
"SUCCESS", |
static void mmsg(enum mandocerr, enum mandoclevel, |
"RESERVED", |
const char *, int, int, const char *); |
"WARNING", |
static void parse(struct curparse *, int, |
"ERROR", |
const char *, enum mandoclevel *); |
"FATAL", |
static enum mandoclevel passthrough(const char *); |
"BADARG", |
static void spawn_pager(void); |
"SYSERR" |
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}; |
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static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = { |
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MANDOCERR_OK, |
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MANDOCERR_WARNING, |
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MANDOCERR_WARNING, |
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MANDOCERR_ERROR, |
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MANDOCERR_FATAL, |
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MANDOCERR_MAX, |
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MANDOCERR_MAX |
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}; |
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static const char * const mandocerrs[MANDOCERR_MAX] = { |
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"ok", |
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"generic warning", |
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/* related to the prologue */ |
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"no title in document", |
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"document title should be all caps", |
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"unknown manual section", |
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"date missing, using today's date", |
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"cannot parse date, using it verbatim", |
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"prologue macros out of order", |
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"duplicate prologue macro", |
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"macro not allowed in prologue", |
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"macro not allowed in body", |
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/* related to document structure */ |
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".so is fragile, better use ln(1)", |
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"NAME section must come first", |
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"bad NAME section contents", |
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"manual name not yet set", |
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"sections out of conventional order", |
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"duplicate section name", |
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"section not in conventional manual section", |
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/* related to macros and nesting */ |
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"skipping obsolete macro", |
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"skipping paragraph macro", |
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"skipping no-space macro", |
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"blocks badly nested", |
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"child violates parent syntax", |
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"nested displays are not portable", |
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"already in literal mode", |
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/* related to missing macro arguments */ |
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"skipping empty macro", |
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"argument count wrong", |
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"missing display type", |
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"list type must come first", |
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"tag lists require a width argument", |
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"missing font type", |
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"skipping end of block that is not open", |
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/* related to bad macro arguments */ |
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"skipping argument", |
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"duplicate argument", |
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"duplicate display type", |
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"duplicate list type", |
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"unknown AT&T UNIX version", |
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"bad Boolean value", |
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"unknown font", |
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"unknown standard specifier", |
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"bad width argument", |
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/* related to plain text */ |
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"blank line in non-literal context", |
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"tab in non-literal context", |
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"end of line whitespace", |
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"bad comment style", |
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"unknown escape sequence", |
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"unterminated quoted string", |
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"generic error", |
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/* related to tables */ |
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"bad table syntax", |
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"bad table option", |
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"bad table layout", |
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"no table layout cells specified", |
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"no table data cells specified", |
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"ignore data in cell", |
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"data block still open", |
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"ignoring extra data cells", |
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"input stack limit exceeded, infinite loop?", |
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"skipping bad character", |
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"escaped character not allowed in a name", |
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"skipping text before the first section header", |
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"skipping unknown macro", |
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"NOT IMPLEMENTED, please use groff: skipping request", |
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"line scope broken", |
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"argument count wrong", |
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"skipping end of block that is not open", |
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"missing end of block", |
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"scope open on exit", |
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"uname(3) system call failed", |
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"macro requires line argument(s)", |
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"macro requires body argument(s)", |
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"macro requires argument(s)", |
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"missing list type", |
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"line argument(s) will be lost", |
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"body argument(s) will be lost", |
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"generic fatal error", |
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"column syntax is inconsistent", |
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"NOT IMPLEMENTED: .Bd -file", |
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"line scope broken, syntax violated", |
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"argument count wrong, violates syntax", |
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"child violates parent syntax", |
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"argument count wrong, violates syntax", |
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"NOT IMPLEMENTED: .so with absolute path or \"..\"", |
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"no document body", |
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"no document prologue", |
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"static buffer exhausted", |
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}; |
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static void parsebuf(struct curparse *, struct buf, int); |
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static void pdesc(struct curparse *); |
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static void fdesc(struct curparse *); |
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static void ffile(const char *, struct curparse *); |
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static int pfile(const char *, struct curparse *); |
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static int moptions(enum intt *, char *); |
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static int mmsg(enum mandocerr, void *, |
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int, int, const char *); |
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static void pset(const char *, int, struct curparse *); |
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static int toptions(struct curparse *, char *); |
static int toptions(struct curparse *, char *); |
static void usage(void) __attribute__((noreturn)); |
static void usage(enum argmode) __attribute__((noreturn)); |
static void version(void) __attribute__((noreturn)); |
static void version(void) __attribute__((noreturn)); |
static int woptions(struct curparse *, char *); |
static int woptions(struct curparse *, char *); |
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static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
static const char *progname; |
static const char *progname; |
static enum mandoclevel file_status = MANDOCLEVEL_OK; |
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static enum mandoclevel exit_status = MANDOCLEVEL_OK; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
int c; |
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struct curparse curp; |
struct curparse curp; |
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struct mansearch search; |
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struct manpaths paths; |
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char *conf_file, *defpaths, *auxpaths; |
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char *defos; |
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#if HAVE_SQLITE3 |
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struct manpage *res, *resp; |
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size_t isec, i, sz; |
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int prio, best_prio; |
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char sec; |
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#endif |
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enum mandoclevel rc; |
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enum outmode outmode; |
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int show_usage; |
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int use_pager; |
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int options; |
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int c; |
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progname = strrchr(argv[0], '/'); |
progname = strrchr(argv[0], '/'); |
if (progname == NULL) |
if (progname == NULL) |
Line 256 main(int argc, char *argv[]) |
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Line 125 main(int argc, char *argv[]) |
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else |
else |
++progname; |
++progname; |
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memset(&curp, 0, sizeof(struct curparse)); |
/* Search options. */ |
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curp.inttype = INTT_AUTO; |
memset(&paths, 0, sizeof(struct manpaths)); |
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conf_file = defpaths = auxpaths = NULL; |
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memset(&search, 0, sizeof(struct mansearch)); |
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search.outkey = "Nd"; |
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if (strcmp(progname, "man") == 0) |
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search.argmode = ARG_NAME; |
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else if (strncmp(progname, "apropos", 7) == 0) |
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search.argmode = ARG_EXPR; |
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else if (strncmp(progname, "whatis", 6) == 0) |
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search.argmode = ARG_WORD; |
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else |
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search.argmode = ARG_FILE; |
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/* Parser and formatter options. */ |
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memset(&curp, 0, sizeof(struct curparse)); |
curp.outtype = OUTT_ASCII; |
curp.outtype = OUTT_ASCII; |
curp.wlevel = MANDOCLEVEL_FATAL; |
curp.wlevel = MANDOCLEVEL_FATAL; |
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options = MPARSE_SO; |
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defos = NULL; |
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/* LINTED */ |
use_pager = 1; |
while (-1 != (c = getopt(argc, argv, "m:O:T:VW:"))) |
show_usage = 0; |
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outmode = OUTMODE_DEF; |
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while (-1 != (c = getopt(argc, argv, "aC:cfhI:iklM:m:O:S:s:T:VW:w"))) { |
switch (c) { |
switch (c) { |
case ('m'): |
case 'a': |
if ( ! moptions(&curp.inttype, optarg)) |
outmode = OUTMODE_ALL; |
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break; |
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case 'C': |
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conf_file = optarg; |
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break; |
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case 'c': |
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use_pager = 0; |
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break; |
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case 'f': |
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search.argmode = ARG_WORD; |
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break; |
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case 'h': |
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(void)strlcat(curp.outopts, "synopsis,", BUFSIZ); |
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outmode = OUTMODE_ALL; |
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break; |
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case 'I': |
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if (strncmp(optarg, "os=", 3)) { |
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fprintf(stderr, |
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"%s: -I%s: Bad argument\n", |
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progname, optarg); |
return((int)MANDOCLEVEL_BADARG); |
return((int)MANDOCLEVEL_BADARG); |
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} |
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if (defos) { |
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fprintf(stderr, |
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"%s: -I%s: Duplicate argument\n", |
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progname, optarg); |
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return((int)MANDOCLEVEL_BADARG); |
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} |
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defos = mandoc_strdup(optarg + 3); |
break; |
break; |
case ('O'): |
case 'i': |
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outmode = OUTMODE_INT; |
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break; |
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case 'k': |
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search.argmode = ARG_EXPR; |
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break; |
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case 'l': |
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search.argmode = ARG_FILE; |
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outmode = OUTMODE_ALL; |
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break; |
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case 'M': |
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defpaths = optarg; |
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break; |
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case 'm': |
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auxpaths = optarg; |
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break; |
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case 'O': |
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search.outkey = optarg; |
(void)strlcat(curp.outopts, optarg, BUFSIZ); |
(void)strlcat(curp.outopts, optarg, BUFSIZ); |
(void)strlcat(curp.outopts, ",", BUFSIZ); |
(void)strlcat(curp.outopts, ",", BUFSIZ); |
break; |
break; |
case ('T'): |
case 'S': |
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search.arch = optarg; |
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break; |
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case 's': |
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search.sec = optarg; |
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break; |
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case 'T': |
if ( ! toptions(&curp, optarg)) |
if ( ! toptions(&curp, optarg)) |
return((int)MANDOCLEVEL_BADARG); |
return((int)MANDOCLEVEL_BADARG); |
break; |
break; |
case ('W'): |
case 'W': |
if ( ! woptions(&curp, optarg)) |
if ( ! woptions(&curp, optarg)) |
return((int)MANDOCLEVEL_BADARG); |
return((int)MANDOCLEVEL_BADARG); |
break; |
break; |
case ('V'): |
case 'w': |
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outmode = OUTMODE_FLN; |
|
break; |
|
case 'V': |
version(); |
version(); |
/* NOTREACHED */ |
/* NOTREACHED */ |
default: |
default: |
usage(); |
show_usage = 1; |
/* NOTREACHED */ |
break; |
} |
} |
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} |
|
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argc -= optind; |
if (show_usage) |
argv += optind; |
usage(search.argmode); |
|
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if (NULL == *argv) { |
/* Postprocess options. */ |
curp.file = "<stdin>"; |
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curp.fd = STDIN_FILENO; |
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|
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fdesc(&curp); |
if (outmode == OUTMODE_DEF) { |
} |
switch (search.argmode) { |
|
case ARG_FILE: |
while (*argv) { |
outmode = OUTMODE_ALL; |
ffile(*argv, &curp); |
use_pager = 0; |
if (MANDOCLEVEL_OK != exit_status && curp.wstop) |
|
break; |
break; |
++argv; |
case ARG_NAME: |
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outmode = OUTMODE_ONE; |
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break; |
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default: |
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outmode = OUTMODE_LST; |
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break; |
|
} |
} |
} |
|
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if (curp.outfree) |
/* Parse arguments. */ |
(*curp.outfree)(curp.outdata); |
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if (curp.pmdoc) |
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mdoc_free(curp.pmdoc); |
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if (curp.pman) |
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man_free(curp.pman); |
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if (curp.roff) |
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roff_free(curp.roff); |
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|
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return((int)exit_status); |
argc -= optind; |
} |
argv += optind; |
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#if HAVE_SQLITE3 |
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resp = NULL; |
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#endif |
|
|
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/* Quirk for a man(1) section argument without -s. */ |
|
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static void |
if (search.argmode == ARG_NAME && |
version(void) |
argv[0] != NULL && |
{ |
isdigit((unsigned char)argv[0][0]) && |
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(argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) { |
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search.sec = argv[0]; |
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argv++; |
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argc--; |
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} |
|
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(void)printf("%s %s\n", progname, VERSION); |
rc = MANDOCLEVEL_OK; |
exit((int)MANDOCLEVEL_OK); |
|
} |
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/* man(1), whatis(1), apropos(1) */ |
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static void |
if (search.argmode != ARG_FILE) { |
usage(void) |
#if HAVE_SQLITE3 |
{ |
if (argc == 0) |
|
usage(search.argmode); |
|
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(void)fprintf(stderr, "usage: %s " |
/* Access the mandoc database. */ |
"[-V] " |
|
"[-foption] " |
|
"[-mformat] " |
|
"[-Ooption] " |
|
"[-Toutput] " |
|
"[-Werr] " |
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"[file...]\n", |
|
progname); |
|
|
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exit((int)MANDOCLEVEL_BADARG); |
manpath_parse(&paths, conf_file, defpaths, auxpaths); |
} |
mansearch_setup(1); |
|
if( ! mansearch(&search, &paths, argc, argv, &res, &sz)) |
|
usage(search.argmode); |
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resp = res; |
|
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static void |
if (sz == 0) { |
ffile(const char *file, struct curparse *curp) |
if (search.argmode == ARG_NAME) |
{ |
fprintf(stderr, "%s: No entry for %s " |
|
"in the manual.\n", progname, argv[0]); |
|
rc = MANDOCLEVEL_BADARG; |
|
goto out; |
|
} |
|
|
/* |
/* |
* Called once per input file. Get the file ready for reading, |
* For standard man(1) and -a output mode, |
* pass it through to the parser-driver, then close it out. |
* prepare for copying filename pointers |
* XXX: don't do anything special as this is only called for |
* into the program parameter array. |
* files; stdin goes directly to fdesc(). |
*/ |
*/ |
|
|
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curp->file = file; |
if (outmode == OUTMODE_ONE) { |
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argc = 1; |
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best_prio = 10; |
|
} else if (outmode == OUTMODE_ALL) |
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argc = (int)sz; |
|
|
if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) { |
/* Iterate all matching manuals. */ |
perror(curp->file); |
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exit_status = MANDOCLEVEL_SYSERR; |
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return; |
|
} |
|
|
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fdesc(curp); |
for (i = 0; i < sz; i++) { |
|
if (outmode == OUTMODE_FLN) |
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puts(res[i].file); |
|
else if (outmode == OUTMODE_LST) |
|
printf("%s - %s\n", res[i].names, |
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res[i].output == NULL ? "" : |
|
res[i].output); |
|
else if (outmode == OUTMODE_ONE) { |
|
/* Search for the best section. */ |
|
isec = strcspn(res[i].file, "123456789"); |
|
sec = res[i].file[isec]; |
|
if ('\0' == sec) |
|
continue; |
|
prio = sec_prios[sec - '1']; |
|
if (prio >= best_prio) |
|
continue; |
|
best_prio = prio; |
|
resp = res + i; |
|
} |
|
} |
|
|
if (-1 == close(curp->fd)) |
/* |
perror(curp->file); |
* For man(1), -a and -i output mode, fall through |
} |
* to the main mandoc(1) code iterating files |
|
* and running the parsers on each of them. |
|
*/ |
|
|
static int |
if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST) |
pfile(const char *file, struct curparse *curp) |
goto out; |
{ |
#else |
const char *savefile; |
fputs("mandoc: database support not compiled in\n", |
int fd, savefd; |
stderr); |
|
return((int)MANDOCLEVEL_BADARG); |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
#endif |
perror(file); |
|
file_status = MANDOCLEVEL_SYSERR; |
|
return(0); |
|
} |
} |
|
|
savefile = curp->file; |
/* mandoc(1) */ |
savefd = curp->fd; |
|
|
|
curp->file = file; |
if ( ! moptions(&options, auxpaths)) |
curp->fd = fd; |
return((int)MANDOCLEVEL_BADARG); |
|
|
pdesc(curp); |
if (use_pager && isatty(STDOUT_FILENO)) |
|
spawn_pager(); |
|
|
curp->file = savefile; |
curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos); |
curp->fd = savefd; |
|
|
|
if (-1 == close(fd)) |
/* |
perror(file); |
* Conditionally start up the lookaside buffer before parsing. |
|
*/ |
|
if (OUTT_MAN == curp.outtype) |
|
mparse_keep(curp.mp); |
|
|
return(MANDOCLEVEL_FATAL > file_status ? 1 : 0); |
if (argc == 0) |
} |
parse(&curp, STDIN_FILENO, "<stdin>", &rc); |
|
|
|
while (argc) { |
static void |
#if HAVE_SQLITE3 |
resize_buf(struct buf *buf, size_t initial) |
if (resp != NULL) { |
{ |
if (resp->form) { |
|
/* For .so only; ignore failure. */ |
buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial; |
chdir(paths.paths[resp->ipath]); |
buf->buf = realloc(buf->buf, buf->sz); |
parse(&curp, -1, resp->file, &rc); |
if (NULL == buf->buf) { |
} else |
perror(NULL); |
rc = passthrough(resp->file); |
exit((int)MANDOCLEVEL_SYSERR); |
resp++; |
|
} else |
|
#endif |
|
parse(&curp, -1, *argv++, &rc); |
|
if (MANDOCLEVEL_OK != rc && curp.wstop) |
|
break; |
|
argc--; |
} |
} |
} |
|
|
|
|
if (curp.outfree) |
|
(*curp.outfree)(curp.outdata); |
|
if (curp.mp) |
|
mparse_free(curp.mp); |
|
|
static int |
#if HAVE_SQLITE3 |
read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap) |
out: |
{ |
if (search.argmode != ARG_FILE) { |
struct stat st; |
manpath_free(&paths); |
size_t off; |
mansearch_free(res, sz); |
ssize_t ssz; |
mansearch_setup(0); |
|
|
if (-1 == fstat(curp->fd, &st)) { |
|
perror(curp->file); |
|
return(0); |
|
} |
} |
|
#endif |
|
|
/* |
free(defos); |
* If we're a regular file, try just reading in the whole entry |
|
* via mmap(). This is faster than reading it into blocks, and |
|
* since each file is only a few bytes to begin with, I'm not |
|
* concerned that this is going to tank any machines. |
|
*/ |
|
|
|
if (S_ISREG(st.st_mode)) { |
return((int)rc); |
if (st.st_size >= (1U << 31)) { |
} |
fprintf(stderr, "%s: input too large\n", |
|
curp->file); |
|
return(0); |
|
} |
|
*with_mmap = 1; |
|
fb->sz = (size_t)st.st_size; |
|
fb->buf = mmap(NULL, fb->sz, PROT_READ, |
|
MAP_FILE|MAP_SHARED, curp->fd, 0); |
|
if (fb->buf != MAP_FAILED) |
|
return(1); |
|
} |
|
|
|
/* |
static void |
* If this isn't a regular file (like, say, stdin), then we must |
version(void) |
* go the old way and just read things in bit by bit. |
{ |
*/ |
|
|
|
*with_mmap = 0; |
printf("mandoc %s\n", VERSION); |
off = 0; |
exit((int)MANDOCLEVEL_OK); |
fb->sz = 0; |
|
fb->buf = NULL; |
|
for (;;) { |
|
if (off == fb->sz) { |
|
if (fb->sz == (1U << 31)) { |
|
fprintf(stderr, "%s: input too large\n", |
|
curp->file); |
|
break; |
|
} |
|
resize_buf(fb, 65536); |
|
} |
|
ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off); |
|
if (ssz == 0) { |
|
fb->sz = off; |
|
return(1); |
|
} |
|
if (ssz == -1) { |
|
perror(curp->file); |
|
break; |
|
} |
|
off += (size_t)ssz; |
|
} |
|
|
|
free(fb->buf); |
|
fb->buf = NULL; |
|
return(0); |
|
} |
} |
|
|
|
|
static void |
static void |
fdesc(struct curparse *curp) |
usage(enum argmode argmode) |
{ |
{ |
|
|
/* |
switch (argmode) { |
* Called once per file with an opened file descriptor. All |
case ARG_FILE: |
* pre-file-parse operations (whether stdin or a file) should go |
fputs("usage: mandoc [-acfhklV] [-Ios=name] " |
* here. |
"[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n" |
* |
"\t [file ...]\n", stderr); |
* This calls down into the nested parser, which drills down and |
break; |
* fully parses a file and all its dependences (i.e., `so'). It |
case ARG_NAME: |
* then runs the cleanup validators and pushes to output. |
fputs("usage: man [-acfhklVw] [-C file] " |
*/ |
"[-M path] [-m path] [-S arch] [-s section]\n" |
|
"\t [section] name ...\n", stderr); |
/* Zero the parse type. */ |
break; |
|
case ARG_WORD: |
curp->mdoc = NULL; |
fputs("usage: whatis [-acfhklVw] [-C file] " |
curp->man = NULL; |
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
file_status = MANDOCLEVEL_OK; |
"\t [-s section] name ...\n", stderr); |
|
break; |
/* Make sure the mandotory roff parser is initialised. */ |
case ARG_EXPR: |
|
fputs("usage: apropos [-acfhklVw] [-C file] " |
if (NULL == curp->roff) { |
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
curp->roff = roff_alloc(&curp->regs, curp, mmsg); |
"\t [-s section] expression ...\n", stderr); |
assert(curp->roff); |
break; |
} |
} |
|
exit((int)MANDOCLEVEL_BADARG); |
|
} |
|
|
/* Fully parse the file. */ |
static void |
|
parse(struct curparse *curp, int fd, const char *file, |
|
enum mandoclevel *level) |
|
{ |
|
enum mandoclevel rc; |
|
struct mdoc *mdoc; |
|
struct man *man; |
|
|
pdesc(curp); |
/* Begin by parsing the file itself. */ |
|
|
if (MANDOCLEVEL_FATAL <= file_status) |
assert(file); |
goto cleanup; |
assert(fd >= -1); |
|
|
/* NOTE a parser may not have been assigned, yet. */ |
rc = mparse_readfd(curp->mp, fd, file); |
|
|
if ( ! (curp->man || curp->mdoc)) { |
/* Stop immediately if the parse has failed. */ |
fprintf(stderr, "%s: Not a manual\n", curp->file); |
|
file_status = MANDOCLEVEL_FATAL; |
|
goto cleanup; |
|
} |
|
|
|
/* Clean up the parse routine ASTs. */ |
if (MANDOCLEVEL_FATAL <= rc) |
|
|
if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) { |
|
assert(MANDOCLEVEL_FATAL <= file_status); |
|
goto cleanup; |
goto cleanup; |
} |
|
|
|
if (curp->man && ! man_endparse(curp->man)) { |
|
assert(MANDOCLEVEL_FATAL <= file_status); |
|
goto cleanup; |
|
} |
|
|
|
assert(curp->roff); |
|
roff_endparse(curp->roff); |
|
|
|
/* |
/* |
* With -Wstop and warnings or errors of at least |
* With -Wstop and warnings or errors of at least the requested |
* the requested level, do not produce output. |
* level, do not produce output. |
*/ |
*/ |
|
|
if (MANDOCLEVEL_OK != file_status && curp->wstop) |
if (MANDOCLEVEL_OK != rc && curp->wstop) |
goto cleanup; |
goto cleanup; |
|
|
/* If unset, allocate output dev now (if applicable). */ |
/* If unset, allocate output dev now (if applicable). */ |
|
|
if ( ! (curp->outman && curp->outmdoc)) { |
if ( ! (curp->outman && curp->outmdoc)) { |
switch (curp->outtype) { |
switch (curp->outtype) { |
case (OUTT_XHTML): |
case OUTT_XHTML: |
curp->outdata = xhtml_alloc(curp->outopts); |
curp->outdata = xhtml_alloc(curp->outopts); |
|
curp->outfree = html_free; |
break; |
break; |
case (OUTT_HTML): |
case OUTT_HTML: |
curp->outdata = html_alloc(curp->outopts); |
curp->outdata = html_alloc(curp->outopts); |
|
curp->outfree = html_free; |
break; |
break; |
case (OUTT_ASCII): |
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->outdata = ascii_alloc(curp->outopts); |
curp->outfree = ascii_free; |
curp->outfree = ascii_free; |
break; |
break; |
case (OUTT_PDF): |
case OUTT_PDF: |
curp->outdata = pdf_alloc(curp->outopts); |
curp->outdata = pdf_alloc(curp->outopts); |
curp->outfree = pspdf_free; |
curp->outfree = pspdf_free; |
break; |
break; |
case (OUTT_PS): |
case OUTT_PS: |
curp->outdata = ps_alloc(curp->outopts); |
curp->outdata = ps_alloc(curp->outopts); |
curp->outfree = pspdf_free; |
curp->outfree = pspdf_free; |
break; |
break; |
Line 574 fdesc(struct curparse *curp) |
|
Line 506 fdesc(struct curparse *curp) |
|
} |
} |
|
|
switch (curp->outtype) { |
switch (curp->outtype) { |
case (OUTT_HTML): |
case OUTT_HTML: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (OUTT_XHTML): |
case OUTT_XHTML: |
curp->outman = html_man; |
curp->outman = html_man; |
curp->outmdoc = html_mdoc; |
curp->outmdoc = html_mdoc; |
curp->outfree = html_free; |
|
break; |
break; |
case (OUTT_TREE): |
case OUTT_TREE: |
curp->outman = tree_man; |
curp->outman = tree_man; |
curp->outmdoc = tree_mdoc; |
curp->outmdoc = tree_mdoc; |
break; |
break; |
case (OUTT_PDF): |
case OUTT_MAN: |
|
curp->outmdoc = man_mdoc; |
|
curp->outman = man_man; |
|
break; |
|
case OUTT_PDF: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (OUTT_ASCII): |
case OUTT_ASCII: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (OUTT_PS): |
case OUTT_UTF8: |
|
/* FALLTHROUGH */ |
|
case OUTT_LOCALE: |
|
/* FALLTHROUGH */ |
|
case OUTT_PS: |
curp->outman = terminal_man; |
curp->outman = terminal_man; |
curp->outmdoc = terminal_mdoc; |
curp->outmdoc = terminal_mdoc; |
break; |
break; |
Line 598 fdesc(struct curparse *curp) |
|
Line 537 fdesc(struct curparse *curp) |
|
} |
} |
} |
} |
|
|
|
mparse_result(curp->mp, &mdoc, &man, NULL); |
|
|
/* Execute the out device, if it exists. */ |
/* Execute the out device, if it exists. */ |
|
|
if (curp->man && curp->outman) |
if (man && curp->outman) |
(*curp->outman)(curp->outdata, curp->man); |
(*curp->outman)(curp->outdata, man); |
if (curp->mdoc && curp->outmdoc) |
if (mdoc && curp->outmdoc) |
(*curp->outmdoc)(curp->outdata, curp->mdoc); |
(*curp->outmdoc)(curp->outdata, mdoc); |
|
|
cleanup: |
cleanup: |
|
|
memset(&curp->regs, 0, sizeof(struct regset)); |
mparse_reset(curp->mp); |
|
|
/* Reset the current-parse compilers. */ |
if (*level < rc) |
|
*level = rc; |
if (curp->mdoc) |
|
mdoc_reset(curp->mdoc); |
|
if (curp->man) |
|
man_reset(curp->man); |
|
|
|
assert(curp->roff); |
|
roff_reset(curp->roff); |
|
|
|
if (exit_status < file_status) |
|
exit_status = file_status; |
|
|
|
return; |
|
} |
} |
|
|
static void |
static enum mandoclevel |
pdesc(struct curparse *curp) |
passthrough(const char *file) |
{ |
{ |
struct buf blk; |
char buf[BUFSIZ]; |
int with_mmap; |
const char *syscall; |
|
ssize_t nr, nw, off; |
|
int fd; |
|
|
/* |
fd = open(file, O_RDONLY); |
* Run for each opened file; may be called more than once for |
if (fd == -1) { |
* each full parse sequence if the opened file is nested (i.e., |
syscall = "open"; |
* from `so'). Simply sucks in the whole file and moves into |
goto fail; |
* the parse phase for the file. |
|
*/ |
|
|
|
if ( ! read_whole_file(curp, &blk, &with_mmap)) { |
|
file_status = MANDOCLEVEL_SYSERR; |
|
return; |
|
} |
} |
|
|
/* Line number is per-file. */ |
while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0) |
|
for (off = 0; off < nr; off += nw) |
curp->line = 1; |
if ((nw = write(STDOUT_FILENO, buf + off, |
|
(size_t)(nr - off))) == -1 || nw == 0) { |
parsebuf(curp, blk, 1); |
syscall = "write"; |
|
goto fail; |
if (with_mmap) |
|
munmap(blk.buf, blk.sz); |
|
else |
|
free(blk.buf); |
|
} |
|
|
|
static void |
|
parsebuf(struct curparse *curp, struct buf blk, int start) |
|
{ |
|
const struct tbl_span *span; |
|
struct buf ln; |
|
enum rofferr rr; |
|
int i, of, rc; |
|
int pos; /* byte number in the ln buffer */ |
|
int lnn; /* line number in the real file */ |
|
unsigned char c; |
|
|
|
/* |
|
* Main parse routine for an opened file. This is called for |
|
* each opened file and simply loops around the full input file, |
|
* possibly nesting (i.e., with `so'). |
|
*/ |
|
|
|
memset(&ln, 0, sizeof(struct buf)); |
|
|
|
lnn = curp->line; |
|
pos = 0; |
|
|
|
for (i = 0; i < (int)blk.sz; ) { |
|
if (0 == pos && '\0' == blk.buf[i]) |
|
break; |
|
|
|
if (start) { |
|
curp->line = lnn; |
|
curp->reparse_count = 0; |
|
} |
|
|
|
while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) { |
|
|
|
/* |
|
* When finding an unescaped newline character, |
|
* leave the character loop to process the line. |
|
* Skip a preceding carriage return, if any. |
|
*/ |
|
|
|
if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz && |
|
'\n' == blk.buf[i + 1]) |
|
++i; |
|
if ('\n' == blk.buf[i]) { |
|
++i; |
|
++lnn; |
|
break; |
|
} |
} |
|
|
/* |
if (nr == 0) { |
* Warn about bogus characters. If you're using |
close(fd); |
* non-ASCII encoding, you're screwing your |
return(MANDOCLEVEL_OK); |
* readers. Since I'd rather this not happen, |
} |
* I'll be helpful and drop these characters so |
|
* we don't display gibberish. Note to manual |
|
* writers: use special characters. |
|
*/ |
|
|
|
c = (unsigned char) blk.buf[i]; |
syscall = "read"; |
|
fail: |
if ( ! (isascii(c) && |
fprintf(stderr, "%s: %s: SYSERR: %s: %s", |
(isgraph(c) || isblank(c)))) { |
progname, file, syscall, strerror(errno)); |
mmsg(MANDOCERR_BADCHAR, curp, |
return(MANDOCLEVEL_SYSERR); |
curp->line, pos, "ignoring byte"); |
|
i++; |
|
continue; |
|
} |
|
|
|
/* Trailing backslash = a plain char. */ |
|
|
|
if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) { |
|
if (pos >= (int)ln.sz) |
|
resize_buf(&ln, 256); |
|
ln.buf[pos++] = blk.buf[i++]; |
|
continue; |
|
} |
|
|
|
/* |
|
* Found escape and at least one other character. |
|
* When it's a newline character, skip it. |
|
* When there is a carriage return in between, |
|
* skip that one as well. |
|
*/ |
|
|
|
if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz && |
|
'\n' == blk.buf[i + 2]) |
|
++i; |
|
if ('\n' == blk.buf[i + 1]) { |
|
i += 2; |
|
++lnn; |
|
continue; |
|
} |
|
|
|
if ('"' == blk.buf[i + 1]) { |
|
i += 2; |
|
/* Comment, skip to end of line */ |
|
for (; i < (int)blk.sz; ++i) { |
|
if ('\n' == blk.buf[i]) { |
|
++i; |
|
++lnn; |
|
break; |
|
} |
|
} |
|
|
|
/* Backout trailing whitespaces */ |
|
for (; pos > 0; --pos) { |
|
if (ln.buf[pos - 1] != ' ') |
|
break; |
|
if (pos > 2 && ln.buf[pos - 2] == '\\') |
|
break; |
|
} |
|
break; |
|
} |
|
|
|
/* Some other escape sequence, copy & cont. */ |
|
|
|
if (pos + 1 >= (int)ln.sz) |
|
resize_buf(&ln, 256); |
|
|
|
ln.buf[pos++] = blk.buf[i++]; |
|
ln.buf[pos++] = blk.buf[i++]; |
|
} |
|
|
|
if (pos >= (int)ln.sz) |
|
resize_buf(&ln, 256); |
|
|
|
ln.buf[pos] = '\0'; |
|
|
|
/* |
|
* A significant amount of complexity is contained by |
|
* the roff preprocessor. It's line-oriented but can be |
|
* expressed on one line, so we need at times to |
|
* readjust our starting point and re-run it. The roff |
|
* preprocessor can also readjust the buffers with new |
|
* data, so we pass them in wholesale. |
|
*/ |
|
|
|
of = 0; |
|
|
|
rerun: |
|
rr = roff_parseln |
|
(curp->roff, curp->line, |
|
&ln.buf, &ln.sz, of, &of); |
|
|
|
switch (rr) { |
|
case (ROFF_REPARSE): |
|
if (REPARSE_LIMIT >= ++curp->reparse_count) |
|
parsebuf(curp, ln, 0); |
|
else |
|
mmsg(MANDOCERR_ROFFLOOP, curp, |
|
curp->line, pos, NULL); |
|
pos = 0; |
|
continue; |
|
case (ROFF_APPEND): |
|
pos = strlen(ln.buf); |
|
continue; |
|
case (ROFF_RERUN): |
|
goto rerun; |
|
case (ROFF_IGN): |
|
pos = 0; |
|
continue; |
|
case (ROFF_ERR): |
|
assert(MANDOCLEVEL_FATAL <= file_status); |
|
break; |
|
case (ROFF_SO): |
|
if (pfile(ln.buf + of, curp)) { |
|
pos = 0; |
|
continue; |
|
} else |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
/* |
|
* If we encounter errors in the recursive parsebuf() |
|
* call, make sure we don't continue parsing. |
|
*/ |
|
|
|
if (MANDOCLEVEL_FATAL <= file_status) |
|
break; |
|
|
|
/* |
|
* If input parsers have not been allocated, do so now. |
|
* We keep these instanced betwen parsers, but set them |
|
* locally per parse routine since we can use different |
|
* parsers with each one. |
|
*/ |
|
|
|
if ( ! (curp->man || curp->mdoc)) |
|
pset(ln.buf + of, pos - of, curp); |
|
|
|
/* |
|
* Lastly, push down into the parsers themselves. One |
|
* of these will have already been set in the pset() |
|
* routine. |
|
* If libroff returns ROFF_TBL, then add it to the |
|
* currently open parse. Since we only get here if |
|
* there does exist data (see tbl_data.c), we're |
|
* guaranteed that something's been allocated. |
|
* Do the same for ROFF_EQN. |
|
*/ |
|
|
|
rc = -1; |
|
|
|
if (ROFF_TBL == rr) |
|
while (NULL != (span = roff_span(curp->roff))) { |
|
rc = curp->man ? |
|
man_addspan(curp->man, span) : |
|
mdoc_addspan(curp->mdoc, span); |
|
if (0 == rc) |
|
break; |
|
} |
|
else if (ROFF_EQN == rr) |
|
rc = curp->mdoc ? |
|
mdoc_addeqn(curp->mdoc, |
|
roff_eqn(curp->roff)) : |
|
man_addeqn(curp->man, |
|
roff_eqn(curp->roff)); |
|
else if (curp->man || curp->mdoc) |
|
rc = curp->man ? |
|
man_parseln(curp->man, |
|
curp->line, ln.buf, of) : |
|
mdoc_parseln(curp->mdoc, |
|
curp->line, ln.buf, of); |
|
|
|
if (0 == rc) { |
|
assert(MANDOCLEVEL_FATAL <= file_status); |
|
break; |
|
} |
|
|
|
/* Temporary buffers typically are not full. */ |
|
|
|
if (0 == start && '\0' == blk.buf[i]) |
|
break; |
|
|
|
/* Start the next input line. */ |
|
|
|
pos = 0; |
|
} |
|
|
|
free(ln.buf); |
|
} |
} |
|
|
static void |
|
pset(const char *buf, int pos, struct curparse *curp) |
|
{ |
|
int i; |
|
|
|
/* |
|
* Try to intuit which kind of manual parser should be used. If |
|
* passed in by command-line (-man, -mdoc), then use that |
|
* explicitly. If passed as -mandoc, then try to guess from the |
|
* line: either skip dot-lines, use -mdoc when finding `.Dt', or |
|
* default to -man, which is more lenient. |
|
* |
|
* Separate out pmdoc/pman from mdoc/man: the first persists |
|
* through all parsers, while the latter is used per-parse. |
|
*/ |
|
|
|
if ('.' == buf[0] || '\'' == buf[0]) { |
|
for (i = 1; buf[i]; i++) |
|
if (' ' != buf[i] && '\t' != buf[i]) |
|
break; |
|
if ('\0' == buf[i]) |
|
return; |
|
} |
|
|
|
switch (curp->inttype) { |
|
case (INTT_MDOC): |
|
if (NULL == curp->pmdoc) |
|
curp->pmdoc = mdoc_alloc |
|
(&curp->regs, curp, mmsg); |
|
assert(curp->pmdoc); |
|
curp->mdoc = curp->pmdoc; |
|
return; |
|
case (INTT_MAN): |
|
if (NULL == curp->pman) |
|
curp->pman = man_alloc |
|
(&curp->regs, curp, mmsg); |
|
assert(curp->pman); |
|
curp->man = curp->pman; |
|
return; |
|
default: |
|
break; |
|
} |
|
|
|
if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) { |
|
if (NULL == curp->pmdoc) |
|
curp->pmdoc = mdoc_alloc |
|
(&curp->regs, curp, mmsg); |
|
assert(curp->pmdoc); |
|
curp->mdoc = curp->pmdoc; |
|
return; |
|
} |
|
|
|
if (NULL == curp->pman) |
|
curp->pman = man_alloc(&curp->regs, curp, mmsg); |
|
assert(curp->pman); |
|
curp->man = curp->pman; |
|
} |
|
|
|
static int |
static int |
moptions(enum intt *tflags, char *arg) |
moptions(int *options, char *arg) |
{ |
{ |
|
|
if (0 == strcmp(arg, "doc")) |
if (arg == NULL) |
*tflags = INTT_MDOC; |
/* nothing to do */; |
|
else if (0 == strcmp(arg, "doc")) |
|
*options |= MPARSE_MDOC; |
else if (0 == strcmp(arg, "andoc")) |
else if (0 == strcmp(arg, "andoc")) |
*tflags = INTT_AUTO; |
/* nothing to do */; |
else if (0 == strcmp(arg, "an")) |
else if (0 == strcmp(arg, "an")) |
*tflags = INTT_MAN; |
*options |= MPARSE_MAN; |
else { |
else { |
fprintf(stderr, "%s: Bad argument\n", arg); |
fprintf(stderr, "%s: -m%s: Bad argument\n", |
|
progname, arg); |
return(0); |
return(0); |
} |
} |
|
|
Line 983 toptions(struct curparse *curp, char *arg) |
|
Line 618 toptions(struct curparse *curp, char *arg) |
|
else if (0 == strcmp(arg, "lint")) { |
else if (0 == strcmp(arg, "lint")) { |
curp->outtype = OUTT_LINT; |
curp->outtype = OUTT_LINT; |
curp->wlevel = MANDOCLEVEL_WARNING; |
curp->wlevel = MANDOCLEVEL_WARNING; |
} |
} else if (0 == strcmp(arg, "tree")) |
else if (0 == strcmp(arg, "tree")) |
|
curp->outtype = OUTT_TREE; |
curp->outtype = OUTT_TREE; |
|
else if (0 == strcmp(arg, "man")) |
|
curp->outtype = OUTT_MAN; |
else if (0 == strcmp(arg, "html")) |
else if (0 == strcmp(arg, "html")) |
curp->outtype = OUTT_HTML; |
curp->outtype = OUTT_HTML; |
|
else if (0 == strcmp(arg, "utf8")) |
|
curp->outtype = OUTT_UTF8; |
|
else if (0 == strcmp(arg, "locale")) |
|
curp->outtype = OUTT_LOCALE; |
else if (0 == strcmp(arg, "xhtml")) |
else if (0 == strcmp(arg, "xhtml")) |
curp->outtype = OUTT_XHTML; |
curp->outtype = OUTT_XHTML; |
else if (0 == strcmp(arg, "ps")) |
else if (0 == strcmp(arg, "ps")) |
Line 995 toptions(struct curparse *curp, char *arg) |
|
Line 635 toptions(struct curparse *curp, char *arg) |
|
else if (0 == strcmp(arg, "pdf")) |
else if (0 == strcmp(arg, "pdf")) |
curp->outtype = OUTT_PDF; |
curp->outtype = OUTT_PDF; |
else { |
else { |
fprintf(stderr, "%s: Bad argument\n", arg); |
fprintf(stderr, "%s: -T%s: Bad argument\n", |
|
progname, arg); |
return(0); |
return(0); |
} |
} |
|
|
|
|
woptions(struct curparse *curp, char *arg) |
woptions(struct curparse *curp, char *arg) |
{ |
{ |
char *v, *o; |
char *v, *o; |
const char *toks[6]; |
const char *toks[6]; |
|
|
toks[0] = "stop"; |
toks[0] = "stop"; |
toks[1] = "all"; |
toks[1] = "all"; |
Line 1018 woptions(struct curparse *curp, char *arg) |
|
Line 659 woptions(struct curparse *curp, char *arg) |
|
while (*arg) { |
while (*arg) { |
o = arg; |
o = arg; |
switch (getsubopt(&arg, UNCONST(toks), &v)) { |
switch (getsubopt(&arg, UNCONST(toks), &v)) { |
case (0): |
case 0: |
curp->wstop = 1; |
curp->wstop = 1; |
break; |
break; |
case (1): |
case 1: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (2): |
case 2: |
curp->wlevel = MANDOCLEVEL_WARNING; |
curp->wlevel = MANDOCLEVEL_WARNING; |
break; |
break; |
case (3): |
case 3: |
curp->wlevel = MANDOCLEVEL_ERROR; |
curp->wlevel = MANDOCLEVEL_ERROR; |
break; |
break; |
case (4): |
case 4: |
curp->wlevel = MANDOCLEVEL_FATAL; |
curp->wlevel = MANDOCLEVEL_FATAL; |
break; |
break; |
default: |
default: |
fprintf(stderr, "-W%s: Bad argument\n", o); |
fprintf(stderr, "%s: -W%s: Bad argument\n", |
|
progname, o); |
return(0); |
return(0); |
} |
} |
} |
} |
Line 1041 woptions(struct curparse *curp, char *arg) |
|
Line 683 woptions(struct curparse *curp, char *arg) |
|
return(1); |
return(1); |
} |
} |
|
|
static int |
static void |
mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg) |
mmsg(enum mandocerr t, enum mandoclevel lvl, |
|
const char *file, int line, int col, const char *msg) |
{ |
{ |
struct curparse *cp; |
const char *mparse_msg; |
enum mandoclevel level; |
|
|
|
level = MANDOCLEVEL_FATAL; |
fprintf(stderr, "%s: %s:", progname, file); |
while (t < mandoclimits[level]) |
|
/* LINTED */ |
|
level--; |
|
|
|
cp = (struct curparse *)arg; |
if (line) |
if (level < cp->wlevel) |
fprintf(stderr, "%d:%d:", line, col + 1); |
return(1); |
|
|
|
fprintf(stderr, "%s:%d:%d: %s: %s", |
fprintf(stderr, " %s", mparse_strlevel(lvl)); |
cp->file, ln, col + 1, mandoclevels[level], mandocerrs[t]); |
|
|
if (NULL != (mparse_msg = mparse_strerror(t))) |
|
fprintf(stderr, ": %s", mparse_msg); |
|
|
if (msg) |
if (msg) |
fprintf(stderr, ": %s", msg); |
fprintf(stderr, ": %s", msg); |
|
|
fputc('\n', stderr); |
fputc('\n', stderr); |
|
} |
|
|
if (file_status < level) |
static void |
file_status = level; |
spawn_pager(void) |
|
{ |
return(level < MANDOCLEVEL_FATAL); |
#define MAX_PAGER_ARGS 16 |
|
char *argv[MAX_PAGER_ARGS]; |
|
const char *pager; |
|
char *cp; |
|
int fildes[2]; |
|
int argc; |
|
|
|
if (pipe(fildes) == -1) { |
|
fprintf(stderr, "%s: pipe: %s\n", |
|
progname, strerror(errno)); |
|
return; |
|
} |
|
|
|
switch (fork()) { |
|
case -1: |
|
fprintf(stderr, "%s: fork: %s\n", |
|
progname, strerror(errno)); |
|
exit((int)MANDOCLEVEL_SYSERR); |
|
case 0: |
|
close(fildes[0]); |
|
if (dup2(fildes[1], STDOUT_FILENO) == -1) { |
|
fprintf(stderr, "%s: dup output: %s\n", |
|
progname, strerror(errno)); |
|
exit((int)MANDOCLEVEL_SYSERR); |
|
} |
|
return; |
|
default: |
|
break; |
|
} |
|
|
|
/* The original process becomes the pager. */ |
|
|
|
close(fildes[1]); |
|
if (dup2(fildes[0], STDIN_FILENO) == -1) { |
|
fprintf(stderr, "%s: dup input: %s\n", |
|
progname, strerror(errno)); |
|
exit((int)MANDOCLEVEL_SYSERR); |
|
} |
|
|
|
pager = getenv("MANPAGER"); |
|
if (pager == NULL || *pager == '\0') |
|
pager = getenv("PAGER"); |
|
if (pager == NULL || *pager == '\0') |
|
pager = "/usr/bin/more -s"; |
|
cp = mandoc_strdup(pager); |
|
|
|
/* |
|
* Parse the pager command into words. |
|
* Intentionally do not do anything fancy here. |
|
*/ |
|
|
|
argc = 0; |
|
while (argc + 1 < MAX_PAGER_ARGS) { |
|
argv[argc++] = cp; |
|
cp = strchr(cp, ' '); |
|
if (cp == NULL) |
|
break; |
|
*cp++ = '\0'; |
|
while (*cp == ' ') |
|
cp++; |
|
if (*cp == '\0') |
|
break; |
|
} |
|
argv[argc] = NULL; |
|
|
|
/* Hand over to the pager. */ |
|
|
|
execvp(argv[0], argv); |
|
fprintf(stderr, "%s: exec: %s\n", |
|
progname, strerror(errno)); |
|
exit((int)MANDOCLEVEL_SYSERR); |
} |
} |