Implement in-line equations, much needed by Xenocara manuals.

[mandoc.git] / tbl_data.c

diff --git a/tbl_data.c b/tbl_data.c
index dfb85bd27cdac7c5147be61bebd5d48ab3c6af7c..43244dabd4641dfe993b1ab94c143aaf0add9706 100644 (file)
--- a/tbl_data.c
+++ b/tbl_data.c
@@ -1,4 +1,4 @@
-/*     $Id: tbl_data.c,v 1.29 2014/03/23 11:25:26 schwarze Exp $ */
+/*     $Id: tbl_data.c,v 1.32 2014/08/10 23:54:41 schwarze Exp $ */
 /*
  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -15,9 +15,9 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
+
+#include <sys/types.h>
 
 #include <assert.h>
 #include <ctype.h>
@@ -30,13 +30,14 @@
 #include "libmandoc.h"
 #include "libroff.h"
 
-static int              getdata(struct tbl_node *, struct tbl_span *, 
+static int              getdata(struct tbl_node *, struct tbl_span *,
                                int, const char *, int *);
-static struct tbl_span *newspan(struct tbl_node *, int, 
+static struct tbl_span *newspan(struct tbl_node *, int,
                                struct tbl_row *);
 
+
 static int
-getdata(struct tbl_node *tbl, struct tbl_span *dp, 
+getdata(struct tbl_node *tbl, struct tbl_span *dp,
                int ln, const char *p, int *pos)
 {
        struct tbl_dat  *dat;
@@ -49,7 +50,7 @@ getdata(struct tbl_node *tbl, struct tbl_span *dp,
        else if (NULL == dp->last)
                cp = dp->layout->first;
 
-       /* 
+       /*
         * Skip over spanners, since
         * we want to match data with data layout cells in the header.
         */
@@ -63,8 +64,8 @@ getdata(struct tbl_node *tbl, struct tbl_span *dp,
         */
 
        if (NULL == cp) {
-               mandoc_msg(MANDOCERR_TBLEXTRADAT, 
-                               tbl->parse, ln, *pos, NULL);
+               mandoc_msg(MANDOCERR_TBLEXTRADAT, tbl->parse,
+                   ln, *pos, NULL);
                /* Skip to the end... */
                while (p[*pos])
                        (*pos)++;
@@ -82,7 +83,7 @@ getdata(struct tbl_node *tbl, struct tbl_span *dp,
                        spans++;
                else
                        break;
-       
+
        dat->spans = spans;
 
        if (dp->last) {
@@ -127,21 +128,20 @@ getdata(struct tbl_node *tbl, struct tbl_span *dp,
                dat->pos = TBL_DATA_DATA;
 
        if (TBL_CELL_HORIZ == dat->layout->pos ||
-                       TBL_CELL_DHORIZ == dat->layout->pos ||
-                       TBL_CELL_DOWN == dat->layout->pos)
+           TBL_CELL_DHORIZ == dat->layout->pos ||
+           TBL_CELL_DOWN == dat->layout->pos)
                if (TBL_DATA_DATA == dat->pos && '\0' != *dat->string)
-                       mandoc_msg(MANDOCERR_TBLIGNDATA, 
-                                       tbl->parse, ln, sv, NULL);
+                       mandoc_msg(MANDOCERR_TBLIGNDATA,
+                           tbl->parse, ln, sv, NULL);
 
        return(1);
 }
 
-/* ARGSUSED */
 int
 tbl_cdata(struct tbl_node *tbl, int ln, const char *p)
 {
        struct tbl_dat  *dat;
-       size_t           sz;
+       size_t           sz;
        int              pos;
 
        pos = 0;
@@ -167,14 +167,14 @@ tbl_cdata(struct tbl_node *tbl, int ln, const char *p)
        if (dat->string) {
                sz = strlen(p) + strlen(dat->string) + 2;
                dat->string = mandoc_realloc(dat->string, sz);
-               strlcat(dat->string, " ", sz);
-               strlcat(dat->string, p, sz);
+               (void)strlcat(dat->string, " ", sz);
+               (void)strlcat(dat->string, p, sz);
        } else
                dat->string = mandoc_strdup(p);
 
-       if (TBL_CELL_DOWN == dat->layout->pos) 
-               mandoc_msg(MANDOCERR_TBLIGNDATA, 
-                               tbl->parse, ln, pos, NULL);
+       if (TBL_CELL_DOWN == dat->layout->pos)
+               mandoc_msg(MANDOCERR_TBLIGNDATA, tbl->parse,
+                   ln, pos, NULL);
 
        return(0);
 }
@@ -216,7 +216,7 @@ tbl_data(struct tbl_node *tbl, int ln, const char *p)
                return(0);
        }
 
-       /* 
+       /*
         * Choose a layout row: take the one following the last parsed
         * span's.  If that doesn't exist, use the last parsed span's.
         * If there's no last parsed span, use the first row.  Lastly,
@@ -230,11 +230,11 @@ tbl_data(struct tbl_node *tbl, int ln, const char *p)
                        for (rp = tbl->last_span->layout->next;
                                        rp && rp->first; rp = rp->next) {
                                switch (rp->first->pos) {
-                               case (TBL_CELL_HORIZ):
+                               case TBL_CELL_HORIZ:
                                        dp = newspan(tbl, ln, rp);
                                        dp->pos = TBL_SPAN_HORIZ;
                                        continue;
-                               case (TBL_CELL_DHORIZ):
+                               case TBL_CELL_DHORIZ:
                                        dp = newspan(tbl, ln, rp);
                                        dp->pos = TBL_SPAN_DHORIZ;
                                        continue;