mandoc/roff.c - diff

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Diff for /mandoc/roff.c between version 1.211 and 1.213

version 1.211, 2014/06/29 21:20:31

version 1.213, 2014/06/29 22:38:47

Line 187 static int roff_evalstrcond(const char *, int *);

static void roff_free1(struct roff *);

static void roff_freereg(struct roffreg *);

static void roff_freestr(struct roffkv *);

static char *roff_getname(struct roff *, char **, int, int);

static size_t roff_getname(struct roff *, char **, int, int);

static int roff_getnum(const char *, int *, int *);

static int roff_getop(const char *, int *, char *);

static int roff_getregn(const struct roff *,

Line 910 roff_ccond(struct roff *r, int ln, int ppos)

static enum rofferr

roff_block(ROFF_ARGS)

{

int sv;

char *name, *cp;

size_t sz;

size_t namesz;

char *name;

name = NULL;

name = cp = *bufp + pos;

namesz = 0;

if (ROFF_ig != tok) {

if ('\0' == (*bufp)[pos]) {

if ('\0' == *cp) {

mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL);

return(ROFF_IGN);

}

Line 929 roff_block(ROFF_ARGS)

if (ROFF_de1 == tok)

tok = ROFF_de;

if (ROFF_de == tok)

else if (ROFF_de != tok)

name = *bufp + pos;

else

mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos,

roffs[tok].name);

while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos]))

namesz = roff_getname(r, &cp, ln, ppos);

pos++;

name[namesz] = '\0';

} else

name = NULL;

while (isspace((unsigned char)(*bufp)[pos]))

(*bufp)[pos++] = '\0';

}

roffnode_push(r, tok, name, ln, ppos);

Line 950 roff_block(ROFF_ARGS)

Line 946 roff_block(ROFF_ARGS)

* appended from roff_block_text() in multiline mode.

if (ROFF_de == tok)

if (namesz && ROFF_de == tok)

roff_setstr(r, name, "", 0);

roff_setstrn(&r->strtab, name, namesz, "", 0, 0);

if ('\0' == (*bufp)[pos])

if ('\0' == *cp)

return(ROFF_IGN);

/* If present, process the custom end-of-line marker. */

sv = pos;

name = cp;

while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos]))

namesz = roff_getname(r, &cp, ln, ppos);

pos++;

if (namesz)

r->last->end = mandoc_strndup(name, namesz);

if ('\0' != *cp)

* Note: groff does NOT like escape characters in the input.

* Instead of detecting this, we're just going to let it fly and

* to hell with it.

assert(pos > sv);

sz = (size_t)(pos - sv);

if (1 == sz && '.' == (*bufp)[sv])

return(ROFF_IGN);

r->last->end = mandoc_malloc(sz + 1);

memcpy(r->last->end, *bufp + sv, sz);

r->last->end[(int)sz] = '\0';

if ((*bufp)[pos])

mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL);

return(ROFF_IGN);

Line 1318 out:

Line 1298 out:

static enum rofferr

roff_ds(ROFF_ARGS)

{

char *name, *string;

char *string;

const char *name;

size_t namesz;

* A symbol is named by the first word following the macro

* The first word is the name of the string.

* invocation up to a space. Its value is anything after the

* If it is empty or terminated by an escape sequence,

* name's trailing whitespace and optional double-quote. Thus,

* abort the `ds' request without defining anything.

* [.ds foo "bar " ]

* will have `bar " ' as its value.

string = *bufp + pos;

name = string = *bufp + pos;

name = roff_getname(r, &string, ln, pos);

if ('\0' == *name)

return(ROFF_IGN);

/* Read past initial double-quote. */

namesz = roff_getname(r, &string, ln, pos);

if ('\\' == name[namesz])

return(ROFF_IGN);

/* Read past the initial double-quote, if any. */

if ('"' == *string)

string++;

/* The rest is the value. */

roff_setstr(r, name, string, ROFF_as == tok);

roff_setstrn(&r->strtab, name, namesz, string, strlen(string),

ROFF_as == tok);

return(ROFF_IGN);

}

Line 1654 roff_freereg(struct roffreg *reg)

Line 1636 roff_freereg(struct roffreg *reg)

static enum rofferr

roff_nr(ROFF_ARGS)

{

const char *key;

char *key, *val;

char *val;

size_t keysz;

int iv;

char sign;

val = *bufp + pos;

key = val = *bufp + pos;

key = roff_getname(r, &val, ln, pos);

if ('\0' == *key)

return(ROFF_IGN);

keysz = roff_getname(r, &val, ln, pos);

if ('\\' == key[keysz])

return(ROFF_IGN);

key[keysz] = '\0';

sign = *val;

if ('+' == sign || '-' == sign)

val++;

Line 1676 static enum rofferr

Line 1664 static enum rofferr

roff_rr(ROFF_ARGS)

{

struct roffreg *reg, **prev;

const char *name;

char *name, *cp;

char *cp;

size_t namesz;

cp = *bufp + pos;

name = cp = *bufp + pos;

name = roff_getname(r, &cp, ln, pos);

if ('\0' == *name)

return(ROFF_IGN);

namesz = roff_getname(r, &cp, ln, pos);

name[namesz] = '\0';

prev = &r->regtab;

while (1) {

Line 1702 roff_rm(ROFF_ARGS)

Line 1693 roff_rm(ROFF_ARGS)

{

const char *name;

char *cp;

size_t namesz;

cp = *bufp + pos;

while ('\0' != *cp) {

name = roff_getname(r, &cp, ln, (int)(cp - *bufp));

name = cp;

if ('\0' != *name)

namesz = roff_getname(r, &cp, ln, (int)(cp - *bufp));

roff_setstr(r, name, NULL, 0);

roff_setstrn(&r->strtab, name, namesz, NULL, 0, 0);

if ('\\' == name[namesz])

break;

}

return(ROFF_IGN);

}

Line 2007 roff_userdef(ROFF_ARGS)

Line 2001 roff_userdef(ROFF_ARGS)

ROFF_REPARSE : ROFF_APPEND);

}

static char *

static size_t

roff_getname(struct roff *r, char **cpp, int ln, int pos)

{

char *name, *cp;

size_t namesz;

name = *cpp;

if ('\0' == *name)

return(name);

return(0);

/* Read until end of name. */

/* Read until end of name and terminate it with NUL. */

for (cp = name; '\0' != *cp && ' ' != *cp; cp++) {

for (cp = name; 1; cp++) {

if ('\0' == *cp || ' ' == *cp) {

namesz = cp - name;

break;

}

if ('\\' != *cp)

continue;

cp++;

if ('\\' == *cp)

continue;

namesz = cp - name - 1;

mandoc_msg(MANDOCERR_NAMESC, r->parse, ln, pos, NULL);

*cp = '\0';

mandoc_escape((const char **)&cp, NULL, NULL);

name = cp;

break;

}

/* Nil-terminate name. */

if ('\0' != *cp)

*(cp++) = '\0';

/* Read past spaces. */

while (' ' == *cp)

cp++;

*cpp = cp;

return(name);

return(namesz);

}

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