version 1.211, 2014/06/29 21:20:31 |
version 1.215, 2014/07/01 00:32:29 |
Line 187 static int roff_evalstrcond(const char *, int *); |
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Line 187 static int roff_evalstrcond(const char *, int *); |
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static void roff_free1(struct roff *); |
static void roff_free1(struct roff *); |
static void roff_freereg(struct roffreg *); |
static void roff_freereg(struct roffreg *); |
static void roff_freestr(struct roffkv *); |
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_getnum(const char *, int *, int *); |
static int roff_getop(const char *, int *, char *); |
static int roff_getop(const char *, int *, char *); |
static int roff_getregn(const struct roff *, |
static int roff_getregn(const struct roff *, |
Line 200 static enum rofferr roff_line_ignore(ROFF_ARGS); |
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Line 200 static enum rofferr roff_line_ignore(ROFF_ARGS); |
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static enum rofferr roff_nr(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static void roff_openeqn(struct roff *, const char *, |
static void roff_openeqn(struct roff *, const char *, |
int, int, const char *); |
int, int, const char *); |
static enum rofft roff_parse(struct roff *, const char *, int *); |
static enum rofft roff_parse(struct roff *, char *, int *, |
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int, int); |
static enum rofferr roff_parsetext(char **, size_t *, int, int *); |
static enum rofferr roff_parsetext(char **, size_t *, int, int *); |
static enum rofferr roff_res(struct roff *, |
static enum rofferr roff_res(struct roff *, |
char **, size_t *, int, int); |
char **, size_t *, int, int); |
Line 764 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 765 roff_parseln(struct roff *r, int ln, char **bufp, |
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* the compilers handle it. |
* the compilers handle it. |
*/ |
*/ |
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if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) |
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos, ln, ppos))) |
return(ROFF_CONT); |
return(ROFF_CONT); |
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assert(roffs[t].proc); |
assert(roffs[t].proc); |
Line 797 roff_endparse(struct roff *r) |
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Line 798 roff_endparse(struct roff *r) |
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* form of ".foo xxx" in the usual way. |
* form of ".foo xxx" in the usual way. |
*/ |
*/ |
static enum rofft |
static enum rofft |
roff_parse(struct roff *r, const char *buf, int *pos) |
roff_parse(struct roff *r, char *buf, int *pos, int ln, int ppos) |
{ |
{ |
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char *cp; |
const char *mac; |
const char *mac; |
size_t maclen; |
size_t maclen; |
enum rofft t; |
enum rofft t; |
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if ('\0' == buf[*pos] || '"' == buf[*pos] || |
cp = buf + *pos; |
'\t' == buf[*pos] || ' ' == buf[*pos]) |
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if ('\0' == *cp || '"' == *cp || '\t' == *cp || ' ' == *cp) |
return(ROFF_MAX); |
return(ROFF_MAX); |
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/* We stop the macro parse at an escape, tab, space, or nil. */ |
mac = cp; |
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maclen = roff_getname(r, &cp, ln, ppos); |
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mac = buf + *pos; |
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maclen = strcspn(mac, " \\\t\0"); |
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t = (r->current_string = roff_getstrn(r, mac, maclen)) |
t = (r->current_string = roff_getstrn(r, mac, maclen)) |
? ROFF_USERDEF : roffhash_find(mac, maclen); |
? ROFF_USERDEF : roffhash_find(mac, maclen); |
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*pos += (int)maclen; |
if (ROFF_MAX != t) |
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*pos = cp - buf; |
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while (buf[*pos] && ' ' == buf[*pos]) |
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(*pos)++; |
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return(t); |
return(t); |
} |
} |
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Line 910 roff_ccond(struct roff *r, int ln, int ppos) |
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Line 909 roff_ccond(struct roff *r, int ln, int ppos) |
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static enum rofferr |
static enum rofferr |
roff_block(ROFF_ARGS) |
roff_block(ROFF_ARGS) |
{ |
{ |
int sv; |
char *name, *cp; |
size_t sz; |
size_t namesz; |
char *name; |
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name = NULL; |
name = cp = *bufp + pos; |
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namesz = 0; |
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if (ROFF_ig != tok) { |
if (ROFF_ig != tok) { |
if ('\0' == (*bufp)[pos]) { |
if ('\0' == *cp) { |
mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 929 roff_block(ROFF_ARGS) |
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Line 928 roff_block(ROFF_ARGS) |
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if (ROFF_de1 == tok) |
if (ROFF_de1 == tok) |
tok = ROFF_de; |
tok = ROFF_de; |
if (ROFF_de == tok) |
else if (ROFF_de != tok) |
name = *bufp + pos; |
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else |
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mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos, |
mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos, |
roffs[tok].name); |
roffs[tok].name); |
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while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos])) |
namesz = roff_getname(r, &cp, ln, ppos); |
pos++; |
name[namesz] = '\0'; |
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} else |
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name = NULL; |
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while (isspace((unsigned char)(*bufp)[pos])) |
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(*bufp)[pos++] = '\0'; |
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} |
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roffnode_push(r, tok, name, ln, ppos); |
roffnode_push(r, tok, name, ln, ppos); |
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/* |
/* |
Line 950 roff_block(ROFF_ARGS) |
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Line 945 roff_block(ROFF_ARGS) |
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* appended from roff_block_text() in multiline mode. |
* appended from roff_block_text() in multiline mode. |
*/ |
*/ |
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if (ROFF_de == tok) |
if (namesz && ROFF_de == tok) |
roff_setstr(r, name, "", 0); |
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
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if ('\0' == (*bufp)[pos]) |
if ('\0' == *cp) |
return(ROFF_IGN); |
return(ROFF_IGN); |
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/* If present, process the custom end-of-line marker. */ |
/* If present, process the custom end-of-line marker. */ |
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sv = pos; |
name = cp; |
while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos])) |
namesz = roff_getname(r, &cp, ln, ppos); |
pos++; |
if (namesz) |
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r->last->end = mandoc_strndup(name, namesz); |
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/* |
if ('\0' != *cp) |
* Note: groff does NOT like escape characters in the input. |
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* Instead of detecting this, we're just going to let it fly and |
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* to hell with it. |
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*/ |
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assert(pos > sv); |
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sz = (size_t)(pos - sv); |
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if (1 == sz && '.' == (*bufp)[sv]) |
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return(ROFF_IGN); |
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r->last->end = mandoc_malloc(sz + 1); |
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memcpy(r->last->end, *bufp + sv, sz); |
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r->last->end[(int)sz] = '\0'; |
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if ((*bufp)[pos]) |
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mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
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return(ROFF_IGN); |
return(ROFF_IGN); |
Line 1016 roff_block_sub(ROFF_ARGS) |
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Line 995 roff_block_sub(ROFF_ARGS) |
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i++; |
i++; |
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pos = i; |
pos = i; |
if (ROFF_MAX != roff_parse(r, *bufp, &pos)) |
if (ROFF_MAX != roff_parse(r, *bufp, &pos, ln, ppos)) |
return(ROFF_RERUN); |
return(ROFF_RERUN); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 1027 roff_block_sub(ROFF_ARGS) |
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Line 1006 roff_block_sub(ROFF_ARGS) |
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* pulling it out of the hashtable. |
* pulling it out of the hashtable. |
*/ |
*/ |
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t = roff_parse(r, *bufp, &pos); |
t = roff_parse(r, *bufp, &pos, ln, ppos); |
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/* |
/* |
* Macros other than block-end are only significant |
* Macros other than block-end are only significant |
Line 1062 roff_cond_sub(ROFF_ARGS) |
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Line 1041 roff_cond_sub(ROFF_ARGS) |
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rr = r->last->rule; |
rr = r->last->rule; |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
t = roff_parse(r, *bufp, &pos); |
t = roff_parse(r, *bufp, &pos, ln, ppos); |
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/* |
/* |
* Fully handle known macros when they are structurally |
* Fully handle known macros when they are structurally |
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static enum rofferr |
static enum rofferr |
roff_ds(ROFF_ARGS) |
roff_ds(ROFF_ARGS) |
{ |
{ |
char *name, *string; |
char *string; |
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const char *name; |
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size_t namesz; |
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/* |
/* |
* 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. |
* |
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* [.ds foo "bar " ] |
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* |
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* will have `bar " ' as its value. |
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*/ |
*/ |
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string = *bufp + pos; |
name = string = *bufp + pos; |
name = roff_getname(r, &string, ln, pos); |
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if ('\0' == *name) |
if ('\0' == *name) |
return(ROFF_IGN); |
return(ROFF_IGN); |
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/* Read past initial double-quote. */ |
namesz = roff_getname(r, &string, ln, pos); |
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if ('\\' == name[namesz]) |
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return(ROFF_IGN); |
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/* Read past the initial double-quote, if any. */ |
if ('"' == *string) |
if ('"' == *string) |
string++; |
string++; |
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/* The rest is the value. */ |
/* The rest is the value. */ |
roff_setstr(r, name, string, ROFF_as == tok); |
roff_setstrn(&r->strtab, name, namesz, string, strlen(string), |
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ROFF_as == tok); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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Line 1654 roff_freereg(struct roffreg *reg) |
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Line 1635 roff_freereg(struct roffreg *reg) |
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static enum rofferr |
static enum rofferr |
roff_nr(ROFF_ARGS) |
roff_nr(ROFF_ARGS) |
{ |
{ |
const char *key; |
char *key, *val; |
char *val; |
size_t keysz; |
int iv; |
int iv; |
char sign; |
char sign; |
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val = *bufp + pos; |
key = val = *bufp + pos; |
key = roff_getname(r, &val, ln, pos); |
if ('\0' == *key) |
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return(ROFF_IGN); |
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keysz = roff_getname(r, &val, ln, pos); |
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if ('\\' == key[keysz]) |
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return(ROFF_IGN); |
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key[keysz] = '\0'; |
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sign = *val; |
sign = *val; |
if ('+' == sign || '-' == sign) |
if ('+' == sign || '-' == sign) |
val++; |
val++; |
Line 1676 static enum rofferr |
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Line 1663 static enum rofferr |
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roff_rr(ROFF_ARGS) |
roff_rr(ROFF_ARGS) |
{ |
{ |
struct roffreg *reg, **prev; |
struct roffreg *reg, **prev; |
const char *name; |
char *name, *cp; |
char *cp; |
size_t namesz; |
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cp = *bufp + pos; |
name = cp = *bufp + pos; |
name = roff_getname(r, &cp, ln, pos); |
if ('\0' == *name) |
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return(ROFF_IGN); |
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namesz = roff_getname(r, &cp, ln, pos); |
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name[namesz] = '\0'; |
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prev = &r->regtab; |
prev = &r->regtab; |
while (1) { |
while (1) { |
Line 1702 roff_rm(ROFF_ARGS) |
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Line 1692 roff_rm(ROFF_ARGS) |
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{ |
{ |
const char *name; |
const char *name; |
char *cp; |
char *cp; |
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size_t namesz; |
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cp = *bufp + pos; |
cp = *bufp + pos; |
while ('\0' != *cp) { |
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); |
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if ('\\' == name[namesz]) |
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break; |
} |
} |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 2007 roff_userdef(ROFF_ARGS) |
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Line 2000 roff_userdef(ROFF_ARGS) |
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ROFF_REPARSE : ROFF_APPEND); |
ROFF_REPARSE : ROFF_APPEND); |
} |
} |
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static char * |
static size_t |
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
{ |
{ |
char *name, *cp; |
char *name, *cp; |
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size_t namesz; |
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name = *cpp; |
name = *cpp; |
if ('\0' == *name) |
if ('\0' == *name) |
return(name); |
return(0); |
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/* 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++) { |
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if ('\0' == *cp || ' ' == *cp) { |
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namesz = cp - name; |
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break; |
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} |
if ('\\' != *cp) |
if ('\\' != *cp) |
continue; |
continue; |
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namesz = cp - name; |
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if ('{' == cp[1] || '}' == cp[1]) |
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break; |
cp++; |
cp++; |
if ('\\' == *cp) |
if ('\\' == *cp) |
continue; |
continue; |
mandoc_msg(MANDOCERR_NAMESC, r->parse, ln, pos, NULL); |
mandoc_msg(MANDOCERR_NAMESC, r->parse, ln, pos, NULL); |
*cp = '\0'; |
mandoc_escape((const char **)&cp, NULL, NULL); |
name = cp; |
break; |
} |
} |
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/* Nil-terminate name. */ |
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if ('\0' != *cp) |
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*(cp++) = '\0'; |
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/* Read past spaces. */ |
/* Read past spaces. */ |
while (' ' == *cp) |
while (' ' == *cp) |
cp++; |
cp++; |
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*cpp = cp; |
*cpp = cp; |
return(name); |
return(namesz); |
} |
} |
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/* |
/* |