Sync section titles with OpenBSD.

[mandoc.git] / eqn.c

diff --git a/eqn.c b/eqn.c
index 37f01bcb5b6e67c6c7fb90c7bc8b411f7c86cc98..e4715b9bfc8baee043866dccd4ef99388580bbf1 100644 (file)
--- a/eqn.c
+++ b/eqn.c
@@ -1,4 +1,4 @@
-/*     $Id: eqn.c,v 1.38 2011/07/25 15:37:00 kristaps Exp $ */
+/*     $Id: eqn.c,v 1.45 2014/08/10 23:54:41 schwarze Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -14,9 +14,9 @@
  * 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 <limits.h>
@@ -26,6 +26,7 @@
 #include <time.h>
 
 #include "mandoc.h"
+#include "mandoc_aux.h"
 #include "libmandoc.h"
 #include "libroff.h"
 
@@ -137,12 +138,11 @@ struct    eqnsym {
        const char      *sym;
 };
 
-
 static enum eqn_rest    eqn_box(struct eqn_node *, struct eqn_box *);
-static struct eqn_box  *eqn_box_alloc(struct eqn_node *, 
+static struct eqn_box  *eqn_box_alloc(struct eqn_node *,
                                struct eqn_box *);
 static void             eqn_box_free(struct eqn_box *);
-static struct eqn_def  *eqn_def_find(struct eqn_node *, 
+static struct eqn_def  *eqn_def_find(struct eqn_node *,
                                const char *, size_t);
 static int              eqn_do_gfont(struct eqn_node *);
 static int              eqn_do_gsize(struct eqn_node *);
@@ -156,7 +156,7 @@ static      enum eqn_rest    eqn_list(struct eqn_node *, struct eqn_box *);
 static enum eqn_rest    eqn_matrix(struct eqn_node *, struct eqn_box *);
 static const char      *eqn_nexttok(struct eqn_node *, size_t *);
 static const char      *eqn_nextrawtok(struct eqn_node *, size_t *);
-static const char      *eqn_next(struct eqn_node *, 
+static const char      *eqn_next(struct eqn_node *,
                                char, size_t *, int);
 static void             eqn_rewind(struct eqn_node *);
 
@@ -277,9 +277,9 @@ static      const struct eqnsym eqnsyms[EQNSYM__MAX] = {
        { { ">=", 2 }, ">=" }, /* EQNSYM_moreequal */
 };
 
-/* ARGSUSED */
+
 enum rofferr
-eqn_read(struct eqn_node **epp, int ln, 
+eqn_read(struct eqn_node **epp, int ln,
                const char *p, int pos, int *offs)
 {
        size_t           sz;
@@ -298,9 +298,10 @@ eqn_read(struct eqn_node **epp, int ln,
                p += 3;
                while (' ' == *p || '\t' == *p)
                        p++;
-               if ('\0' == *p) 
+               if ('\0' == *p)
                        return(er);
-               mandoc_msg(MANDOCERR_ARGSLOST, ep->parse, ln, pos, NULL);
+               mandoc_vmsg(MANDOCERR_ARG_SKIP, ep->parse,
+                   ln, pos, "EN %s", p);
                return(er);
        }
 
@@ -413,11 +414,11 @@ eqn_matrix(struct eqn_node *ep, struct eqn_box *last)
 
        while (EQN_OK == (c = eqn_box(ep, bp)))
                switch (bp->last->pile) {
-               case (EQNPILE_LCOL):
+               case EQNPILE_LCOL:
                        /* FALLTHROUGH */
-               case (EQNPILE_CCOL):
+               case EQNPILE_CCOL:
                        /* FALLTHROUGH */
-               case (EQNPILE_RCOL):
+               case EQNPILE_RCOL:
                        continue;
                default:
                        EQN_MSG(MANDOCERR_EQNSYNT, ep);
@@ -512,9 +513,8 @@ eqn_box(struct eqn_node *ep, struct eqn_box *last)
        for (i = 0; i < (int)EQN__MAX; i++) {
                if ( ! EQNSTREQ(&eqnparts[i].str, start, sz))
                        continue;
-               return((*eqnparts[i].fp)(ep) ? 
-                               EQN_OK : EQN_ERR);
-       } 
+               return((*eqnparts[i].fp)(ep) ? EQN_OK : EQN_ERR);
+       }
 
        if (STRNEQ(start, sz, "{", 1)) {
                if (EQN_DESCOPE != (c = eqn_eqn(ep, last))) {
@@ -529,7 +529,7 @@ eqn_box(struct eqn_node *ep, struct eqn_box *last)
                        return(EQN_OK);
                EQN_MSG(MANDOCERR_EQNBADSCOPE, ep);
                return(EQN_ERR);
-       } 
+       }
 
        for (i = 0; i < (int)EQNPILE__MAX; i++) {
                if ( ! EQNSTREQ(&eqnpiles[i], start, sz))
@@ -575,7 +575,7 @@ eqn_box(struct eqn_node *ep, struct eqn_box *last)
                if (NULL == last->last) {
                        EQN_MSG(MANDOCERR_EQNSYNT, ep);
                        return(EQN_ERR);
-               } 
+               }
                last->last->pos = (enum eqn_post)i;
                if (EQN_EOF == (c = eqn_box(ep, last))) {
                        EQN_MSG(MANDOCERR_EQNEOF, ep);
@@ -590,7 +590,7 @@ eqn_box(struct eqn_node *ep, struct eqn_box *last)
                if (NULL == last->last) {
                        EQN_MSG(MANDOCERR_EQNSYNT, ep);
                        return(EQN_ERR);
-               } 
+               }
                last->last->mark = (enum eqn_markt)i;
                if (EQN_EOF == (c = eqn_box(ep, last))) {
                        EQN_MSG(MANDOCERR_EQNEOF, ep);
@@ -629,7 +629,7 @@ eqn_box(struct eqn_node *ep, struct eqn_box *last)
        for (i = 0; i < (int)EQNSYM__MAX; i++)
                if (EQNSTREQ(&eqnsyms[i].str, start, sz)) {
                        sym[63] = '\0';
-                       snprintf(sym, 62, "\\[%s]", eqnsyms[i].sym);
+                       (void)snprintf(sym, 62, "\\[%s]", eqnsyms[i].sym);
                        bp->text = mandoc_strdup(sym);
                        return(EQN_OK);
                }
@@ -762,13 +762,13 @@ again:
                if (q)
                        ep->cur++;
                while (' ' == ep->data[(int)ep->cur] ||
-                               '\t' == ep->data[(int)ep->cur] ||
-                               '^' == ep->data[(int)ep->cur] ||
-                               '~' == ep->data[(int)ep->cur])
+                   '\t' == ep->data[(int)ep->cur] ||
+                   '^' == ep->data[(int)ep->cur] ||
+                   '~' == ep->data[(int)ep->cur])
                        ep->cur++;
        } else {
                if (q)
-                       EQN_MSG(MANDOCERR_BADQUOTE, ep);
+                       EQN_MSG(MANDOCERR_ARG_QUOTE, ep);
                next = strchr(start, '\0');
                *sz = (size_t)(next - start);
                ep->cur += *sz;
@@ -790,8 +790,8 @@ again:
                }
 
                diff = def->valsz - *sz;
-               memmove(start + *sz + diff, start + *sz, 
-                               (strlen(start) - *sz) + 1);
+               memmove(start + *sz + diff, start + *sz,
+                   (strlen(start) - *sz) + 1);
                memcpy(start, def->val, def->valsz);
                goto again;
        }
@@ -852,8 +852,8 @@ eqn_do_define(struct eqn_node *ep)
                return(0);
        }
 
-       /* 
-        * Search for a key that already exists. 
+       /*
+        * Search for a key that already exists.
         * Create a new key if none is found.
         */
 
@@ -865,15 +865,14 @@ eqn_do_define(struct eqn_node *ep)
 
                if (i == (int)ep->defsz) {
                        ep->defsz++;
-                       ep->defs = mandoc_realloc
-                               (ep->defs, ep->defsz * 
-                                sizeof(struct eqn_def));
+                       ep->defs = mandoc_reallocarray(ep->defs,
+                           ep->defsz, sizeof(struct eqn_def));
                        ep->defs[i].key = ep->defs[i].val = NULL;
                }
 
                ep->defs[i].keysz = sz;
-               ep->defs[i].key = mandoc_realloc
-                       (ep->defs[i].key, sz + 1);
+               ep->defs[i].key = mandoc_realloc(
+                   ep->defs[i].key, sz + 1);
 
                memcpy(ep->defs[i].key, start, sz);
                ep->defs[i].key[(int)sz] = '\0';
@@ -901,7 +900,7 @@ eqn_do_gfont(struct eqn_node *ep)
        if (NULL == eqn_nextrawtok(ep, NULL)) {
                EQN_MSG(MANDOCERR_EQNEOF, ep);
                return(0);
-       } 
+       }
        return(1);
 }
 
@@ -914,7 +913,7 @@ eqn_do_gsize(struct eqn_node *ep)
        if (NULL == (start = eqn_nextrawtok(ep, &sz))) {
                EQN_MSG(MANDOCERR_EQNEOF, ep);
                return(0);
-       } 
+       }
        ep->gsize = mandoc_strntoi(start, sz, 10);
        return(1);
 }
@@ -940,9 +939,9 @@ eqn_def_find(struct eqn_node *ep, const char *key, size_t sz)
 {
        int              i;
 
-       for (i = 0; i < (int)ep->defsz; i++) 
-               if (ep->defs[i].keysz && STRNEQ(ep->defs[i].key, 
-                                       ep->defs[i].keysz, key, sz))
+       for (i = 0; i < (int)ep->defsz; i++)
+               if (ep->defs[i].keysz && STRNEQ(ep->defs[i].key,
+                   ep->defs[i].keysz, key, sz))
                        return(&ep->defs[i]);
 
        return(NULL);