-/* $Id: main.c,v 1.45 2009/10/13 10:21:24 kristaps Exp $ */
+/* $Id: main.c,v 1.57 2009/11/02 08:29:25 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include <sys/stat.h>
#include <assert.h>
-#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdint.h>
#include "mdoc.h"
#include "man.h"
+#include "main.h"
#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
-/* Account for FreeBSD and Linux in our declarations. */
+/* FIXME: Intel's compiler? LLVM? pcc? */
+
+#if !defined(__GNUC__) || (__GNUC__ < 2)
+# if !defined(lint)
+# define __attribute__(x)
+# endif
+#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
#ifdef __linux__
extern int getsubopt(char **, char * const *, char **);
-# ifndef __dead
-# define __dead __attribute__((__noreturn__))
-# endif
-#elif defined(__dead2)
-# ifndef __dead
-# define __dead __dead2
-# endif
+extern size_t strlcat(char *, const char *, size_t);
#endif
typedef void (*out_mdoc)(void *, const struct mdoc *);
out_man outman;
out_free outfree;
void *outdata;
- char *outopts;
+ char outopts[BUFSIZ];
};
-extern void *html_alloc(char *);
-extern void html_mdoc(void *, const struct mdoc *);
-extern void html_man(void *, const struct man *);
-extern void html_free(void *);
-extern void *ascii_alloc(void);
-extern void tree_mdoc(void *, const struct mdoc *);
-extern void tree_man(void *, const struct man *);
-extern void terminal_mdoc(void *, const struct mdoc *);
-extern void terminal_man(void *, const struct man *);
-extern void terminal_free(void *);
-
static int foptions(int *, char *);
static int toptions(enum outt *, char *);
static int moptions(enum intt *, char *);
struct man **, struct mdoc **);
static struct man *man_init(struct curparse *);
static struct mdoc *mdoc_init(struct curparse *);
-__dead static void version(void);
-__dead static void usage(void);
+static void version(void) __attribute__((noreturn));
+static void usage(void) __attribute__((noreturn));
-extern char *__progname;
+static const char *progname;
int
struct buf ln, blk;
struct curparse curp;
- bzero(&curp, sizeof(struct curparse));
+ progname = strrchr(argv[0], '/');
+ if (progname == NULL)
+ progname = argv[0];
+ else
+ ++progname;
+
+ memset(&curp, 0, sizeof(struct curparse));
curp.inttype = INTT_AUTO;
curp.outtype = OUTT_ASCII;
/* LINTED */
- while (-1 != (c = getopt(argc, argv, "f:m:o:T:VW:")))
+ while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
switch (c) {
case ('f'):
if ( ! foptions(&curp.fflags, optarg))
if ( ! moptions(&curp.inttype, optarg))
return(EXIT_FAILURE);
break;
- case ('o'):
- curp.outopts = optarg;
+ case ('O'):
+ (void)strlcat(curp.outopts, optarg, BUFSIZ);
+ (void)strlcat(curp.outopts, ",", BUFSIZ);
break;
case ('T'):
if ( ! toptions(&curp.outtype, optarg))
argc -= optind;
argv += optind;
- bzero(&ln, sizeof(struct buf));
- bzero(&blk, sizeof(struct buf));
+ memset(&ln, 0, sizeof(struct buf));
+ memset(&blk, 0, sizeof(struct buf));
rc = 1;
argv++;
if (*argv && rc) {
if (curp.lastman)
- if ( ! man_reset(curp.lastman))
- rc = 0;
+ man_reset(curp.lastman);
if (curp.lastmdoc)
- if ( ! mdoc_reset(curp.lastmdoc))
- rc = 0;
+ mdoc_reset(curp.lastmdoc);
curp.lastman = NULL;
curp.lastmdoc = NULL;
}
}
-__dead static void
+static void
version(void)
{
- (void)printf("%s %s\n", __progname, VERSION);
+ (void)printf("%s %s\n", progname, VERSION);
exit(EXIT_SUCCESS);
}
-__dead static void
+static void
usage(void)
{
(void)fprintf(stderr, "usage: %s [-V] [-foption...] "
- "[-mformat] [-Toutput] [-Werr...]\n",
- __progname);
+ "[-mformat] [-Ooption] [-Toutput] "
+ "[-Werr...]\n", progname);
exit(EXIT_FAILURE);
}
man_init(struct curparse *curp)
{
int pflags;
- struct man *man;
struct man_cb mancb;
mancb.man_err = merr;
if (curp->fflags & NO_IGN_ESCAPE)
pflags &= ~MAN_IGN_ESCAPE;
- if (NULL == (man = man_alloc(curp, pflags, &mancb)))
- warnx("memory exhausted");
-
- return(man);
+ return(man_alloc(curp, pflags, &mancb));
}
mdoc_init(struct curparse *curp)
{
int pflags;
- struct mdoc *mdoc;
struct mdoc_cb mdoccb;
mdoccb.mdoc_err = merr;
if (curp->fflags & NO_IGN_CHARS)
pflags &= ~MDOC_IGN_CHARS;
- if (NULL == (mdoc = mdoc_alloc(curp, pflags, &mdoccb)))
- warnx("memory exhausted");
-
- return(mdoc);
+ return(mdoc_alloc(curp, pflags, &mdoccb));
}
curp->file = file;
if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
- warn("%s", curp->file);
+ perror(curp->file);
return(-1);
}
c = fdesc(blk, ln, curp);
if (-1 == close(curp->fd))
- warn("%s", curp->file);
+ perror(curp->file);
return(c);
}
*/
if (-1 == fstat(curp->fd, &st))
- warn("%s", curp->file);
+ perror(curp->file);
else if ((size_t)st.st_blksize > sz)
sz = st.st_blksize;
if (sz > blk->sz) {
blk->buf = realloc(blk->buf, sz);
if (NULL == blk->buf) {
- warn("realloc");
- return(-1);
+ perror(NULL);
+ exit(EXIT_FAILURE);
}
blk->sz = sz;
}
for (lnn = pos = comment = 0; ; ) {
if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
- warn("%s", curp->file);
+ perror(curp->file);
return(-1);
} else if (0 == ssz)
break;
ln->sz += 256; /* Step-size. */
ln->buf = realloc(ln->buf, ln->sz);
if (NULL == ln->buf) {
- warn("realloc");
- return(-1);
+ perror(NULL);
+ return(EXIT_FAILURE);
}
}
/* NOTE a parser may not have been assigned, yet. */
if ( ! (man || mdoc)) {
- (void)fprintf(stderr, "%s: not a manual\n",
- curp->file);
+ fprintf(stderr, "%s: Not a manual\n", curp->file);
return(0);
}
else if (0 == strcmp(arg, "an"))
*tflags = INTT_MAN;
else {
- warnx("bad argument: -m%s", arg);
+ fprintf(stderr, "%s: Bad argument\n", arg);
return(0);
}
else if (0 == strcmp(arg, "html"))
*tflags = OUTT_HTML;
else {
- warnx("bad argument: -T%s", arg);
+ fprintf(stderr, "%s: Bad argument\n", arg);
return(0);
}
foptions(int *fflags, char *arg)
{
char *v, *o;
- const char *toks[7];
+ const char *toks[8];
toks[0] = "ign-scope";
toks[1] = "no-ign-escape";
toks[3] = "no-ign-chars";
toks[4] = "ign-errors";
toks[5] = "strict";
- toks[6] = NULL;
+ toks[6] = "ign-escape";
+ toks[7] = NULL;
while (*arg) {
o = arg;
*fflags |= NO_IGN_ESCAPE |
NO_IGN_MACRO | NO_IGN_CHARS;
break;
+ case (6):
+ *fflags &= ~NO_IGN_ESCAPE;
+ break;
default:
- warnx("bad argument: -f%s", o);
+ fprintf(stderr, "%s: Bad argument\n", o);
return(0);
}
}
*wflags |= WARN_WERR;
break;
default:
- warnx("bad argument: -W%s", o);
+ fprintf(stderr, "%s: Bad argument\n", o);
return(0);
}
}