Bug #497 » m4.patch
| usr.bin/m4/m4.1 28 Dec 2006 00:10:12 -0000 | ||
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.Nm
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.Op Fl d Ar flags
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.Op Fl t Ar name
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.Op Fl gs
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.Op Fl Pgs
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.Op Fl D Ar name Ns Op = Ns Ar value
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.Op Fl U Ar name
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.Op Fl I Ar dirname
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| ... | ... | |
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.It Fl U Ar name
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Undefine the symbol
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.Ar name .
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.It Fl P
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Prefixes all
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.Nm
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builtin macros with the string
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.Li m4_ .
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This changes the macro names
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.Li dnl
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to
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.Li m4_dnl ,
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.Li index
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to
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.Li m4_index ,
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and so forth.
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.It Fl I Ar dirname
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Add directory
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.Ar dirname
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| usr.bin/m4/main.c 28 Dec 2006 00:24:20 -0000 | ||
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int oindex = 0; /* diversion index.. */
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char null[] = ""; /* as it says.. just a null.. */
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const char *m4wraps = ""; /* m4wrap string default.. */
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int m4prefix = 0; /* prefix keywords with m4_ */
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char lquote[MAXCCHARS+1] = {LQUOTE}; /* left quote character (`) */
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char rquote[MAXCCHARS+1] = {RQUOTE}; /* right quote character (') */
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char scommt[MAXCCHARS+1] = {SCOMMT}; /* start character for comment */
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if (signal(SIGINT, SIG_IGN) != SIG_IGN)
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signal(SIGINT, onintr);
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/*
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* We need to know if -P is there before checking -D and -U.
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*/
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while ((c = getopt(argc, argv, "Pgst:d:D:U:o:I:")) != -1)
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if (c == 'P')
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m4prefix = 1;
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optind = 1;
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initkwds();
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initspaces();
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STACKMAX = INITSTACKMAX;
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outfile = NULL;
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resizedivs(MAXOUT);
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while ((c = getopt(argc, argv, "gst:d:D:U:o:I:")) != -1)
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while ((c = getopt(argc, argv, "Pgst:d:D:U:o:I:")) != -1)
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switch(c) {
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case 'D': /* define something..*/
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for (p = optarg; *p; p++)
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| ... | ... | |
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case 'I':
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addtoincludepath(optarg);
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break;
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case 'P':
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break;
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case 'U': /* undefine... */
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remhash(optarg, TOP);
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break;
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| ... | ... | |
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size_t i;
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unsigned int h;
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ndptr p;
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char *k;
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for (i = 0; i < MAXKEYS; i++) {
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h = hash(keywrds[i].knam);
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k = (char *)keywrds[i].knam;
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if (m4prefix) {
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if (asprintf(&k, "m4_%s", k) == -1)
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err(1, "asprintf");
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keywrds[i].knam = k;
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}
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h = hash(k);
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p = (ndptr) xalloc(sizeof(struct ndblock));
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p->nxtptr = hashtab[h % HASHSIZE];
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hashtab[h % HASHSIZE] = p;
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