]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - ncurses/tinfo/parse_entry.c
ncurses 6.0 - patch 20170212
[ncurses.git] / ncurses / tinfo / parse_entry.c
index 07f3868e0b44dd13b2172ca417161c435245708d..339c7c821648e315365cd1b252e022f9995259f6 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999 Free Software Foundation, Inc.                        *
+ * Copyright (c) 1998-2012,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,9 +29,9 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
-
 /*
  *     parse_entry.c -- compile one terminfo or termcap entry
  *
  *     from the input stream.
  */
 
+#define __INTERNAL_CAPS_VISIBLE
 #include <curses.priv.h>
 
 #include <ctype.h>
 #include <tic.h>
-#define __INTERNAL_CAPS_VISIBLE
-#include <term_entry.h>
 
-MODULE_ID("$Id: parse_entry.c,v 1.39 1999/03/01 02:28:51 tom Exp $")
+MODULE_ID("$Id: parse_entry.c,v 1.81 2016/05/28 23:22:52 tom Exp $")
 
 #ifdef LINT
-static short const parametrized[] = { 0 };
+static short const parametrized[] =
+{0};
 #else
 #include <parametrized.h>
 #endif
 
-struct token   _nc_curr_token;
-
-static void postprocess_termcap(TERMTYPE *, bool);
-static void postprocess_terminfo(TERMTYPE *);
-static struct name_table_entry const * lookup_fullname(const char *name);
+static void postprocess_termcap(TERMTYPE *, bool);
+static void postprocess_terminfo(TERMTYPE *);
+static struct name_table_entry const *lookup_fullname(const char *name);
 
 #if NCURSES_XNAMES
 
-static struct name_table_entry const *
-_nc_extend_names(ENTRY *entryp, char *name, int token_type)
+static struct name_table_entry const *
+_nc_extend_names(ENTRY * entryp, char *name, int token_type)
 {
     static struct name_table_entry temp;
     TERMTYPE *tp = &(entryp->tterm);
@@ -77,28 +75,28 @@ _nc_extend_names(ENTRY *entryp, char *name, int token_type)
 
     switch (token_type) {
     case BOOLEAN:
-       first  = 0;
-       last   = tp->ext_Booleans;
+       first = 0;
+       last = tp->ext_Booleans;
        offset = tp->ext_Booleans;
        tindex = tp->num_Booleans;
        break;
     case NUMBER:
-       first  = tp->ext_Booleans;
-       last   = tp->ext_Numbers  + first;
-       offset = tp->ext_Booleans + tp->ext_Numbers;
+       first = tp->ext_Booleans;
+       last = tp->ext_Numbers + first;
+       offset = (unsigned) (tp->ext_Booleans + tp->ext_Numbers);
        tindex = tp->num_Numbers;
        break;
     case STRING:
-       first  = tp->ext_Booleans + tp->ext_Numbers;
-       last   = tp->ext_Strings  + first;
-       offset = tp->ext_Booleans + tp->ext_Numbers + tp->ext_Strings;
+       first = (unsigned) (tp->ext_Booleans + tp->ext_Numbers);
+       last = tp->ext_Strings + first;
+       offset = (unsigned) (tp->ext_Booleans + tp->ext_Numbers + tp->ext_Strings);
        tindex = tp->num_Strings;
        break;
     case CANCEL:
        actual = NUM_EXT_NAMES(tp);
        for (n = 0; n < actual; n++) {
            if (!strcmp(name, tp->ext_Names[n])) {
-               if (n > (unsigned)(tp->ext_Booleans + tp->ext_Numbers)) {
+               if (n > (unsigned) (tp->ext_Booleans + tp->ext_Numbers)) {
                    token_type = STRING;
                } else if (n > tp->ext_Booleans) {
                    token_type = NUMBER;
@@ -125,48 +123,58 @@ _nc_extend_names(ENTRY *entryp, char *name, int token_type)
            offset = n;
            tindex = n - first;
            switch (token_type) {
-           case BOOLEAN:       tindex += BOOLCOUNT;    break;
-           case NUMBER:        tindex += NUMCOUNT;     break;
-           case STRING:        tindex += STRCOUNT;     break;
+           case BOOLEAN:
+               tindex += BOOLCOUNT;
+               break;
+           case NUMBER:
+               tindex += NUMCOUNT;
+               break;
+           case STRING:
+               tindex += STRCOUNT;
+               break;
            }
            break;
        }
     }
+
+#define for_each_value(max) \
+       for (last = (unsigned) (max - 1); last > tindex; last--)
+
     if (!found) {
        switch (token_type) {
        case BOOLEAN:
-           tp->ext_Booleans += 1;
-           tp->num_Booleans += 1;
-           tp->Booleans = typeRealloc(char, tp->num_Booleans, tp->Booleans);
-           for (last = tp->num_Booleans-1; last > tindex; last--)
-               tp->Booleans[last] = tp->Booleans[last-1];
+           tp->ext_Booleans++;
+           tp->num_Booleans++;
+           TYPE_REALLOC(NCURSES_SBOOL, tp->num_Booleans, tp->Booleans);
+           for_each_value(tp->num_Booleans)
+               tp->Booleans[last] = tp->Booleans[last - 1];
            break;
        case NUMBER:
-           tp->ext_Numbers += 1;
-           tp->num_Numbers += 1;
-           tp->Numbers = typeRealloc(short, tp->num_Numbers, tp->Numbers);
-           for (last = tp->num_Numbers-1; last > tindex; last--)
-               tp->Numbers[last] = tp->Numbers[last-1];
+           tp->ext_Numbers++;
+           tp->num_Numbers++;
+           TYPE_REALLOC(short, tp->num_Numbers, tp->Numbers);
+           for_each_value(tp->num_Numbers)
+               tp->Numbers[last] = tp->Numbers[last - 1];
            break;
        case STRING:
-           tp->ext_Strings += 1;
-           tp->num_Strings += 1;
-           tp->Strings = typeRealloc(char *, tp->num_Strings, tp->Strings);
-           for (last = tp->num_Strings-1; last > tindex; last--)
-               tp->Strings[last] = tp->Strings[last-1];
+           tp->ext_Strings++;
+           tp->num_Strings++;
+           TYPE_REALLOC(char *, tp->num_Strings, tp->Strings);
+           for_each_value(tp->num_Strings)
+               tp->Strings[last] = tp->Strings[last - 1];
            break;
        }
        actual = NUM_EXT_NAMES(tp);
-       tp->ext_Names  = typeRealloc(char *, actual, tp->ext_Names);
+       TYPE_REALLOC(char *, actual, tp->ext_Names);
        while (--actual > offset)
-           tp->ext_Names[actual] = tp->ext_Names[actual-1];
+           tp->ext_Names[actual] = tp->ext_Names[actual - 1];
        tp->ext_Names[offset] = _nc_save_str(name);
     }
 
-    temp.nte_name  = tp->ext_Names[offset];
-    temp.nte_type  = token_type;
-    temp.nte_index = tindex;
-    temp.nte_link  = -1;
+    temp.nte_name = tp->ext_Names[offset];
+    temp.nte_type = token_type;
+    temp.nte_index = (short) tindex;
+    temp.nte_link = -1;
 
     return &temp;
 }
@@ -184,23 +192,31 @@ _nc_extend_names(ENTRY *entryp, char *name, int token_type)
  *     if the token was not a name in column 1, complain and die
  *     save names in entry's string table
  *     while (get_token() is not EOF and not NAMES)
- *             check for existance and type-correctness
+ *             check for existence and type-correctness
  *             enter cap into structure
  *             if STRING
  *                 save string in entry's string table
  *     push back token
  */
 
-int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
+#define BAD_TC_USAGE if (!bad_tc_usage) \
+       { bad_tc_usage = TRUE; \
+        _nc_warning("Legacy termcap allows only a trailing tc= clause"); }
+
+#define MAX_NUMBER 0x7fff      /* positive shorts only */
+
+NCURSES_EXPORT(int)
+_nc_parse_entry(struct entry *entryp, int literal, bool silent)
 {
-    int                        token_type;
-    struct name_table_entry    const *entry_ptr;
-    char                       *ptr, namecpy[MAX_NAME_SIZE+1];
+    int token_type;
+    struct name_table_entry const *entry_ptr;
+    char *ptr, *base;
+    bool bad_tc_usage = FALSE;
 
-    token_type = _nc_get_token();
+    token_type = _nc_get_token(silent);
 
     if (token_type == EOF)
-       return(EOF);
+       return (EOF);
     if (token_type != NAMES)
        _nc_err_abort("Entry does not start with terminal names in column one");
 
@@ -211,16 +227,32 @@ int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
     entryp->startline = _nc_start_line;
     DEBUG(2, ("Comment range is %ld to %ld", entryp->cstart, entryp->cend));
 
-    /* junk the 2-character termcap name, if present */
+    /*
+     * Strip off the 2-character termcap name, if present.  Originally termcap
+     * used that as an indexing aid.  We can retain 2-character terminfo names,
+     * but note that they would be lost if we translate to/from termcap.  This
+     * feature is supposedly obsolete since "newer" BSD implementations do not
+     * use it; however our reference for this feature is SunOS 4.x, which
+     * implemented it.  Note that the resulting terminal type was never the
+     * 2-character name, but was instead the first alias after that.
+     */
     ptr = _nc_curr_token.tk_name;
-    if (ptr[2] == '|')
-    {
-       ptr = _nc_curr_token.tk_name + 3;
-       _nc_curr_token.tk_name[2] = '\0';
+    if (_nc_syntax == SYN_TERMCAP
+#if NCURSES_XNAMES
+       && !_nc_user_definable
+#endif
+       ) {
+       if (ptr[2] == '|') {
+           ptr += 3;
+           _nc_curr_token.tk_name[2] = '\0';
+       }
     }
 
     entryp->tterm.str_table = entryp->tterm.term_names = _nc_save_str(ptr);
 
+    if (entryp->tterm.str_table == 0)
+       return (ERR);
+
     DEBUG(1, ("Starting '%s'", ptr));
 
     /*
@@ -231,32 +263,35 @@ int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
     _nc_set_type(_nc_first_name(entryp->tterm.term_names));
 
     /* check for overly-long names and aliases */
-    (void) strncpy(namecpy, entryp->tterm.term_names, MAX_NAME_SIZE);
-    namecpy[MAX_NAME_SIZE] = '\0';
-    if ((ptr = strrchr(namecpy, '|')) != (char *)0)
-       *ptr = '\0';
-    ptr = strtok(namecpy, "|");
-    if (strlen(ptr) > MAX_ALIAS)
-       _nc_warning("primary name may be too long");
-    while ((ptr = strtok((char *)0, "|")) != (char *)0)
-       if (strlen(ptr) > MAX_ALIAS)
-           _nc_warning("alias `%s' may be too long", ptr);
+    for (base = entryp->tterm.term_names; (ptr = strchr(base, '|')) != 0;
+        base = ptr + 1) {
+       if (ptr - base > MAX_ALIAS) {
+           _nc_warning("%s `%.*s' may be too long",
+                       (base == entryp->tterm.term_names)
+                       ? "primary name"
+                       : "alias",
+                       (int) (ptr - base), base);
+       }
+    }
 
     entryp->nuses = 0;
 
-    for (token_type = _nc_get_token();
-        token_type != EOF  &&  token_type != NAMES;
-        token_type = _nc_get_token())
-    {
-       if (strcmp(_nc_curr_token.tk_name, "use") == 0
-           || strcmp(_nc_curr_token.tk_name, "tc") == 0) {
-           entryp->uses[entryp->nuses].parent = (void *)_nc_save_str(_nc_curr_token.tk_valstring);
+    for (token_type = _nc_get_token(silent);
+        token_type != EOF && token_type != NAMES;
+        token_type = _nc_get_token(silent)) {
+       bool is_use = (strcmp(_nc_curr_token.tk_name, "use") == 0);
+       bool is_tc = !is_use && (strcmp(_nc_curr_token.tk_name, "tc") == 0);
+       if (is_use || is_tc) {
+           entryp->uses[entryp->nuses].name = _nc_save_str(_nc_curr_token.tk_valstring);
            entryp->uses[entryp->nuses].line = _nc_curr_line;
            entryp->nuses++;
+           if (entryp->nuses > 1 && is_tc) {
+               BAD_TC_USAGE
+           }
        } else {
            /* normal token lookup */
            entry_ptr = _nc_find_entry(_nc_curr_token.tk_name,
-                                      _nc_syntax ? _nc_cap_hash_table : _nc_info_hash_table);
+                                      _nc_get_hash_table(_nc_syntax));
 
            /*
             * Our kluge to handle aliasing.  The reason it's done
@@ -266,43 +301,42 @@ int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
             * making this case fast, aliased caps aren't common now
             * and will get rarer.
             */
-           if (entry_ptr == NOTFOUND)
-           {
-               const struct alias      *ap;
+           if (entry_ptr == NOTFOUND) {
+               const struct alias *ap;
 
-               if (_nc_syntax == SYN_TERMCAP)
-               {
-                   for (ap = _nc_capalias_table; ap->from; ap++)
-                       if (strcmp(ap->from, _nc_curr_token.tk_name) == 0)
-                       {
-                           if (ap->to == (char *)0)
-                           {
+               if (_nc_syntax == SYN_TERMCAP) {
+                   if (entryp->nuses != 0) {
+                       BAD_TC_USAGE
+                   }
+                   for (ap = _nc_get_alias_table(TRUE); ap->from; ap++)
+                       if (strcmp(ap->from, _nc_curr_token.tk_name) == 0) {
+                           if (ap->to == (char *) 0) {
                                _nc_warning("%s (%s termcap extension) ignored",
                                            ap->from, ap->source);
                                goto nexttok;
                            }
 
-                           entry_ptr = _nc_find_entry(ap->to, _nc_cap_hash_table);
+                           entry_ptr = _nc_find_entry(ap->to,
+                                                      _nc_get_hash_table(TRUE));
                            if (entry_ptr && !silent)
-                               _nc_warning("%s (%s termcap extension) aliased to %s", ap->from, ap->source, ap->to);
+                               _nc_warning("%s (%s termcap extension) aliased to %s",
+                                           ap->from, ap->source, ap->to);
                            break;
                        }
-               }
-               else /* if (_nc_syntax == SYN_TERMINFO) */
-               {
-                   for (ap = _nc_infoalias_table; ap->from; ap++)
-                       if (strcmp(ap->from, _nc_curr_token.tk_name) == 0)
-                       {
-                           if (ap->to == (char *)0)
-                           {
+               } else {        /* if (_nc_syntax == SYN_TERMINFO) */
+                   for (ap = _nc_get_alias_table(FALSE); ap->from; ap++)
+                       if (strcmp(ap->from, _nc_curr_token.tk_name) == 0) {
+                           if (ap->to == (char *) 0) {
                                _nc_warning("%s (%s terminfo extension) ignored",
                                            ap->from, ap->source);
                                goto nexttok;
                            }
 
-                           entry_ptr = _nc_find_entry(ap->to, _nc_info_hash_table);
+                           entry_ptr = _nc_find_entry(ap->to,
+                                                      _nc_get_hash_table(FALSE));
                            if (entry_ptr && !silent)
-                               _nc_warning("%s (%s terminfo extension) aliased to %s", ap->from, ap->source, ap->to);
+                               _nc_warning("%s (%s terminfo extension) aliased to %s",
+                                           ap->from, ap->source, ap->to);
                            break;
                        }
 
@@ -311,16 +345,18 @@ int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
                    }
                }
            }
-
 #if NCURSES_XNAMES
            /*
             * If we have extended-names active, we will automatically
             * define a name based on its context.
             */
            if (entry_ptr == NOTFOUND
-            && _nc_user_definable
-            && (entry_ptr = _nc_extend_names(entryp, _nc_curr_token.tk_name, token_type)) != 0) {
-               _nc_warning("extended capability '%s'", _nc_curr_token.tk_name);
+               && _nc_user_definable
+               && (entry_ptr = _nc_extend_names(entryp,
+                                                _nc_curr_token.tk_name,
+                                                token_type)) != 0) {
+               if (_nc_tracing >= DEBUG_LEVEL(1))
+                   _nc_warning("extended capability '%s'", _nc_curr_token.tk_name);
            }
 #endif /* NCURSES_XNAMES */
 
@@ -333,8 +369,7 @@ int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
            }
 
            /* deal with bad type/value combinations. */
-           if (token_type != CANCEL &&  entry_ptr->nte_type != token_type)
-           {
+           if (token_type != CANCEL && entry_ptr->nte_type != token_type) {
                /*
                 * Nasty special cases here handle situations in which type
                 * information can resolve name clashes.  Normal lookup
@@ -345,42 +380,44 @@ int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
                 * type, this will do the job.
                 */
 
-               /* tell max_attributes from arrow_key_map */
-               if (token_type == NUMBER && !strcmp("ma", _nc_curr_token.tk_name))
+               if (token_type == NUMBER
+                   && !strcmp("ma", _nc_curr_token.tk_name)) {
+                   /* tell max_attributes from arrow_key_map */
                    entry_ptr = _nc_find_type_entry("ma", NUMBER,
-                                       _nc_get_table(_nc_syntax != 0));
+                                                   _nc_syntax != 0);
+                   assert(entry_ptr != 0);
 
-               /* map terminfo's string MT to MT */
-               else if (token_type==STRING &&!strcmp("MT",_nc_curr_token.tk_name))
+               } else if (token_type == STRING
+                          && !strcmp("MT", _nc_curr_token.tk_name)) {
+                   /* map terminfo's string MT to MT */
                    entry_ptr = _nc_find_type_entry("MT", STRING,
-                                       _nc_get_table(_nc_syntax != 0));
+                                                   _nc_syntax != 0);
+                   assert(entry_ptr != 0);
 
-               /* treat strings without following "=" as empty strings */
-               else if (token_type==BOOLEAN && entry_ptr->nte_type==STRING)
+               } else if (token_type == BOOLEAN
+                          && entry_ptr->nte_type == STRING) {
+                   /* treat strings without following "=" as empty strings */
                    token_type = STRING;
-               /* we couldn't recover; skip this token */
-               else
-               {
-                   if (!silent)
-                   {
+               } else {
+                   /* we couldn't recover; skip this token */
+                   if (!silent) {
                        const char *type_name;
-                       switch (entry_ptr->nte_type)
-                       {
+                       switch (entry_ptr->nte_type) {
                        case BOOLEAN:
-                               type_name = "boolean";
-                               break;
+                           type_name = "boolean";
+                           break;
                        case STRING:
-                               type_name = "string";
-                               break;
+                           type_name = "string";
+                           break;
                        case NUMBER:
-                               type_name = "numeric";
-                               break;
+                           type_name = "numeric";
+                           break;
                        default:
-                               type_name = "unknown";
-                               break;
+                           type_name = "unknown";
+                           break;
                        }
                        _nc_warning("wrong type used for %s capability '%s'",
-                               type_name, _nc_curr_token.tk_name);
+                                   type_name, _nc_curr_token.tk_name);
                    }
                    continue;
                }
@@ -409,29 +446,33 @@ int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
                break;
 
            case NUMBER:
-               entryp->tterm.Numbers[entry_ptr->nte_index] =
-                   _nc_curr_token.tk_valnumber;
+               if (_nc_curr_token.tk_valnumber > MAX_NUMBER) {
+                   entryp->tterm.Numbers[entry_ptr->nte_index] = MAX_NUMBER;
+               } else {
+                   entryp->tterm.Numbers[entry_ptr->nte_index] =
+                       (short) _nc_curr_token.tk_valnumber;
+               }
                break;
 
            case STRING:
                ptr = _nc_curr_token.tk_valstring;
-               if (_nc_syntax==SYN_TERMCAP)
+               if (_nc_syntax == SYN_TERMCAP)
                    ptr = _nc_captoinfo(_nc_curr_token.tk_name,
-                                   ptr,
-                                   parametrized[entry_ptr->nte_index]);
+                                       ptr,
+                                       parametrized[entry_ptr->nte_index]);
                entryp->tterm.Strings[entry_ptr->nte_index] = _nc_save_str(ptr);
                break;
 
            default:
                if (!silent)
                    _nc_warning("unknown token type");
-               _nc_panic_mode((_nc_syntax==SYN_TERMCAP) ? ':' : ',');
+               _nc_panic_mode((char) ((_nc_syntax == SYN_TERMCAP) ? ':' : ','));
                continue;
            }
-       } /* end else cur_token.name != "use" */
-    nexttok:
-       continue;       /* cannot have a label w/o statement */
-    } /* endwhile (not EOF and not NAMES) */
+       }                       /* end else cur_token.name != "use" */
+      nexttok:
+       continue;               /* cannot have a label w/o statement */
+    }                          /* endwhile (not EOF and not NAMES) */
 
     _nc_push_token(token_type);
     _nc_set_type(_nc_first_name(entryp->tterm.term_names));
@@ -443,102 +484,130 @@ int _nc_parse_entry(struct entry *entryp, int literal, bool silent)
      * to be done before entry allocation is wrapped up.
      */
     if (!literal) {
-       if (_nc_syntax == SYN_TERMCAP)
-       {
-           bool        has_base_entry = FALSE;
-           int         i;
+       if (_nc_syntax == SYN_TERMCAP) {
+           bool has_base_entry = FALSE;
 
            /*
             * Don't insert defaults if this is a `+' entry meant only
             * for inclusion in other entries (not sure termcap ever
             * had these, actually).
             */
-           if (strchr(entryp->tterm.term_names, '+'))
+           if (strchr(entryp->tterm.term_names, '+')) {
                has_base_entry = TRUE;
-           else
+           } else {
+               unsigned i;
                /*
                 * Otherwise, look for a base entry that will already
                 * have picked up defaults via translation.
                 */
                for (i = 0; i < entryp->nuses; i++)
-                   if (!strchr((char *)entryp->uses[i].parent, '+'))
+                   if (!strchr((char *) entryp->uses[i].name, '+'))
                        has_base_entry = TRUE;
+           }
 
            postprocess_termcap(&entryp->tterm, has_base_entry);
-        }
-       else
+       } else
            postprocess_terminfo(&entryp->tterm);
     }
-    _nc_wrap_entry(entryp);
+    _nc_wrap_entry(entryp, FALSE);
 
-    return(OK);
+    return (OK);
 }
 
-int _nc_capcmp(const char *s, const char *t)
+NCURSES_EXPORT(int)
+_nc_capcmp(const char *s, const char *t)
 /* compare two string capabilities, stripping out padding */
 {
-    if (!s && !t)
-       return(0);
-    else if (!s || !t)
-       return(1);
-
-    for (;;)
-    {
-       if (s[0] == '$' && s[1] == '<')
-       {
-           for (s += 2; ; s++)
-               if (!(isdigit(*s) || *s=='.' || *s=='*' || *s=='/' || *s=='>'))
+    if (!VALID_STRING(s) && !VALID_STRING(t))
+       return (0);
+    else if (!VALID_STRING(s) || !VALID_STRING(t))
+       return (1);
+
+    for (;;) {
+       if (s[0] == '$' && s[1] == '<') {
+           for (s += 2;; s++)
+               if (!(isdigit(UChar(*s))
+                     || *s == '.'
+                     || *s == '*'
+                     || *s == '/'
+                     || *s == '>'))
                    break;
        }
 
-       if (t[0] == '$' && t[1] == '<')
-       {
-           for (t += 2; ; t++)
-               if (!(isdigit(*t) || *t=='.' || *t=='*' || *t=='/' || *t=='>'))
+       if (t[0] == '$' && t[1] == '<') {
+           for (t += 2;; t++)
+               if (!(isdigit(UChar(*t))
+                     || *t == '.'
+                     || *t == '*'
+                     || *t == '/'
+                     || *t == '>'))
                    break;
        }
 
        /* we've now pushed s and t past any padding they were pointing at */
 
        if (*s == '\0' && *t == '\0')
-               return(0);
+           return (0);
 
        if (*s != *t)
-           return(*t - *s);
+           return (*t - *s);
 
        /* else *s == *t but one is not NUL, so continue */
        s++, t++;
     }
 }
 
+static void
+append_acs0(string_desc * dst, int code, int src)
+{
+    if (src != 0) {
+       char temp[3];
+       temp[0] = (char) code;
+       temp[1] = (char) src;
+       temp[2] = 0;
+       _nc_safe_strcat(dst, temp);
+    }
+}
+
+static void
+append_acs(string_desc * dst, int code, char *src)
+{
+    if (src != 0 && strlen(src) == 1) {
+       append_acs0(dst, code, *src);
+    }
+}
+
 /*
  * The ko capability, if present, consists of a comma-separated capability
  * list.  For each capability, we may assume there is a keycap that sends the
  * string which is the value of that capability.
  */
-typedef struct {const char *from; const char *to;} assoc;
+#define DATA(from, to) { { from }, { to } }
+typedef struct {
+    const char from[3];
+    const char to[6];
+} assoc;
 static assoc const ko_xlate[] =
 {
-    {"al",     "kil1"},        /* insert line key  -> KEY_IL    */
-    {"bt",     "kcbt"},        /* back tab         -> KEY_BTAB  */
-    {"cd",     "ked"},         /* clear-to-eos key -> KEY_EOL   */
-    {"ce",     "kel"},         /* clear-to-eol key -> KEY_EOS   */
-    {"cl",     "kclr"},        /* clear key        -> KEY_CLEAR */
-    {"ct",     "tbc"},         /* clear all tabs   -> KEY_CATAB */
-    {"dc",     "kdch1"},       /* delete char      -> KEY_DC    */
-    {"dl",     "kdl1"},        /* delete line      -> KEY_DL    */
-    {"do",     "kcud1"},       /* down key         -> KEY_DOWN  */
-    {"ei",     "krmir"},       /* exit insert key  -> KEY_EIC   */
-    {"ho",     "khome"},       /* home key         -> KEY_HOME  */
-    {"ic",     "kich1"},       /* insert char key  -> KEY_IC    */
-    {"im",     "kIC"},         /* insert-mode key  -> KEY_SIC   */
-    {"le",     "kcub1"},       /* le key           -> KEY_LEFT  */
-    {"nd",     "kcuf1"},       /* nd key           -> KEY_RIGHT */
-    {"nl",     "kent"},        /* new line key     -> KEY_ENTER */
-    {"st",     "khts"},        /* set-tab key      -> KEY_STAB  */
-    {"ta",     CANCELLED_STRING},
-    {"up",     "kcuu1"},       /* up-arrow key     -> KEY_UP    */
-    {(char *)0, (char *)0},
+    DATA("al", "kil1"),                /* insert line key  -> KEY_IL    */
+    DATA("bt", "kcbt"),                /* back tab         -> KEY_BTAB  */
+    DATA("cd", "ked"),         /* clear-to-eos key -> KEY_EOL   */
+    DATA("ce", "kel"),         /* clear-to-eol key -> KEY_EOS   */
+    DATA("cl", "kclr"),                /* clear key        -> KEY_CLEAR */
+    DATA("ct", "tbc"),         /* clear all tabs   -> KEY_CATAB */
+    DATA("dc", "kdch1"),       /* delete char      -> KEY_DC    */
+    DATA("dl", "kdl1"),                /* delete line      -> KEY_DL    */
+    DATA("do", "kcud1"),       /* down key         -> KEY_DOWN  */
+    DATA("ei", "krmir"),       /* exit insert key  -> KEY_EIC   */
+    DATA("ho", "khome"),       /* home key         -> KEY_HOME  */
+    DATA("ic", "kich1"),       /* insert char key  -> KEY_IC    */
+    DATA("im", "kIC"),         /* insert-mode key  -> KEY_SIC   */
+    DATA("le", "kcub1"),       /* le key           -> KEY_LEFT  */
+    DATA("nd", "kcuf1"),       /* nd key           -> KEY_RIGHT */
+    DATA("nl", "kent"),                /* new line key     -> KEY_ENTER */
+    DATA("st", "khts"),                /* set-tab key      -> KEY_STAB  */
+    DATA("ta", ""),
+    DATA("up", "kcuu1"),       /* up-arrow key     -> KEY_UP    */
 };
 
 /*
@@ -568,10 +637,11 @@ static const char C_HT[] = "\t";
 #undef CUR
 #define CUR tp->
 
-static
-void postprocess_termcap(TERMTYPE *tp, bool has_base)
+static void
+postprocess_termcap(TERMTYPE *tp, bool has_base)
 {
     char buf[MAX_LINE * 2 + 2];
+    string_desc result;
 
     /*
      * TERMCAP DEFAULTS AND OBSOLETE-CAPABILITY TRANSLATIONS
@@ -582,8 +652,7 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
      */
 
     /* if there was a tc entry, assume we picked up defaults via that */
-    if (!has_base)
-    {
+    if (!has_base) {
        if (WANTED(init_3string) && termcap_init2)
            init_3string = _nc_save_str(termcap_init2);
 
@@ -592,27 +661,30 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
 
        if (WANTED(carriage_return)) {
            if (carriage_return_delay > 0) {
-               sprintf(buf, "%s$<%d>", C_CR, carriage_return_delay);
+               _nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf))
+                           "%s$<%d>", C_CR, carriage_return_delay);
                carriage_return = _nc_save_str(buf);
            } else
                carriage_return = _nc_save_str(C_CR);
        }
        if (WANTED(cursor_left)) {
            if (backspace_delay > 0) {
-               sprintf(buf, "%s$<%d>", C_BS, backspace_delay);
+               _nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf))
+                           "%s$<%d>", C_BS, backspace_delay);
                cursor_left = _nc_save_str(buf);
            } else if (backspaces_with_bs == 1)
                cursor_left = _nc_save_str(C_BS);
            else if (PRESENT(backspace_if_not_bs))
                cursor_left = backspace_if_not_bs;
        }
-       /* vi doesn't use "do", but it does seems to use nl (or '\n') instead */
+       /* vi doesn't use "do", but it does seem to use nl (or '\n') instead */
        if (WANTED(cursor_down)) {
            if (PRESENT(linefeed_if_not_lf))
                cursor_down = linefeed_if_not_lf;
            else if (linefeed_is_newline != 1) {
                if (new_line_delay > 0) {
-                   sprintf(buf, "%s$<%d>", C_LF, new_line_delay);
+                   _nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf))
+                               "%s$<%d>", C_LF, new_line_delay);
                    cursor_down = _nc_save_str(buf);
                } else
                    cursor_down = _nc_save_str(C_LF);
@@ -623,7 +695,8 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
                cursor_down = linefeed_if_not_lf;
            else if (linefeed_is_newline != 1) {
                if (new_line_delay > 0) {
-                   sprintf(buf, "%s$<%d>", C_LF, new_line_delay);
+                   _nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf))
+                               "%s$<%d>", C_LF, new_line_delay);
                    scroll_forward = _nc_save_str(buf);
                } else
                    scroll_forward = _nc_save_str(C_LF);
@@ -632,22 +705,21 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
        if (WANTED(newline)) {
            if (linefeed_is_newline == 1) {
                if (new_line_delay > 0) {
-                   sprintf(buf, "%s$<%d>", C_LF, new_line_delay);
+                   _nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf))
+                               "%s$<%d>", C_LF, new_line_delay);
                    newline = _nc_save_str(buf);
                } else
                    newline = _nc_save_str(C_LF);
            } else if (PRESENT(carriage_return) && PRESENT(scroll_forward)) {
-               strncpy(buf, carriage_return, MAX_LINE-2);
-               buf[MAX_LINE-1] = '\0';
-               strncat(buf, scroll_forward, MAX_LINE-strlen(buf)-1);
-               buf[MAX_LINE] = '\0';
-               newline = _nc_save_str(buf);
+               _nc_str_init(&result, buf, sizeof(buf));
+               if (_nc_safe_strcat(&result, carriage_return)
+                   && _nc_safe_strcat(&result, scroll_forward))
+                   newline = _nc_save_str(buf);
            } else if (PRESENT(carriage_return) && PRESENT(cursor_down)) {
-               strncpy(buf, carriage_return, MAX_LINE-2);
-               buf[MAX_LINE-1] = '\0';
-               strncat(buf, cursor_down, MAX_LINE-strlen(buf)-1);
-               buf[MAX_LINE] = '\0';
-               newline = _nc_save_str(buf);
+               _nc_str_init(&result, buf, sizeof(buf));
+               if (_nc_safe_strcat(&result, carriage_return)
+                   && _nc_safe_strcat(&result, cursor_down))
+                   newline = _nc_save_str(buf);
            }
        }
     }
@@ -661,8 +733,7 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
      * These translations will *not* be inverted by tgetent().
      */
 
-    if (!has_base)
-    {
+    if (!has_base) {
        /*
         * We wait until now to decide if we've got a working cr because even
         * one that doesn't work can be used for newline. Unfortunately the
@@ -677,7 +748,8 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
         */
        if (WANTED(tab)) {
            if (horizontal_tab_delay > 0) {
-               sprintf(buf, "%s$<%d>", C_HT, horizontal_tab_delay);
+               _nc_SPRINTF(buf, _nc_SLIMIT(sizeof(buf))
+                           "%s$<%d>", C_HT, horizontal_tab_delay);
                tab = _nc_save_str(buf);
            } else
                tab = _nc_save_str(C_HT);
@@ -698,13 +770,11 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
     if (has_hardware_tabs == TRUE) {
        if (init_tabs != 8 && init_tabs != ABSENT_NUMERIC)
            _nc_warning("hardware tabs with a width other than 8: %d", init_tabs);
-        else
-       {
+       else {
            if (tab && _nc_capcmp(tab, C_HT))
                _nc_warning("hardware tabs with a non-^I tab string %s",
                            _nc_visbuf(tab));
-           else
-           {
+           else {
                if (WANTED(tab))
                    tab = _nc_save_str(C_HT);
                init_tabs = 8;
@@ -715,57 +785,63 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
      * Now translate the ko capability, if there is one.  This
      * isn't from mytinfo...
      */
-    if (PRESENT(other_non_function_keys))
-    {
-       char    *dp, *cp = strtok(other_non_function_keys, ",");
-       struct name_table_entry const *from_ptr;
-       struct name_table_entry const *to_ptr;
-       assoc   const *ap;
-       char    buf2[MAX_TERMINFO_LENGTH];
-       bool    foundim;
+    if (PRESENT(other_non_function_keys)) {
+       char *base;
+       char *bp, *cp, *dp;
+       struct name_table_entry const *from_ptr;
+       struct name_table_entry const *to_ptr;
+       char buf2[MAX_TERMINFO_LENGTH];
+       bool foundim;
 
        /* we're going to use this for a special case later */
        dp = strchr(other_non_function_keys, 'i');
-       foundim = dp && dp[1] == 'm';
+       foundim = (dp != 0) && (dp[1] == 'm');
 
        /* look at each comma-separated capability in the ko string... */
-       do {
-           for (ap = ko_xlate; ap->from; ap++)
-               if (strcmp(ap->from, cp) == 0)
+       for (base = other_non_function_keys;
+            (cp = strchr(base, ',')) != 0;
+            base = cp + 1) {
+           size_t len = (unsigned) (cp - base);
+           size_t n;
+           assoc const *ap = 0;
+
+           for (n = 0; n < SIZEOF(ko_xlate); ++n) {
+               if (len == strlen(ko_xlate[n].from)
+                   && strncmp(ko_xlate[n].from, base, len) == 0) {
+                   ap = ko_xlate + n;
                    break;
-           if (!ap->to)
-           {
-               _nc_warning("unknown capability `%s' in ko string", cp);
-               continue;
+               }
            }
-           else if (ap->to == CANCELLED_STRING)        /* ignore it */
+           if (ap == 0) {
+               _nc_warning("unknown capability `%.*s' in ko string",
+                           (int) len, base);
+               continue;
+           } else if (ap->to[0] == '\0')       /* ignore it */
                continue;
 
            /* now we know we found a match in ko_table, so... */
 
-           from_ptr = _nc_find_entry(ap->from, _nc_cap_hash_table);
-           to_ptr   = _nc_find_entry(ap->to,   _nc_info_hash_table);
+           from_ptr = _nc_find_entry(ap->from, _nc_get_hash_table(TRUE));
+           to_ptr = _nc_find_entry(ap->to, _nc_get_hash_table(FALSE));
 
            if (!from_ptr || !to_ptr)   /* should never happen! */
                _nc_err_abort("ko translation table is invalid, I give up");
 
-           if (WANTED(tp->Strings[from_ptr->nte_index]))
-           {
+           if (WANTED(tp->Strings[from_ptr->nte_index])) {
                _nc_warning("no value for ko capability %s", ap->from);
                continue;
            }
 
-           if (tp->Strings[to_ptr->nte_index])
-           {
+           if (tp->Strings[to_ptr->nte_index]) {
                /* There's no point in warning about it if it's the same
                 * string; that's just an inefficiency.
                 */
                if (strcmp(
-                       tp->Strings[from_ptr->nte_index],
-                       tp->Strings[to_ptr->nte_index]) != 0)
+                             tp->Strings[from_ptr->nte_index],
+                             tp->Strings[to_ptr->nte_index]) != 0)
                    _nc_warning("%s (%s) already has an explicit value %s, ignoring ko",
-                           ap->to, ap->from,
-                           _nc_visbuf(tp->Strings[to_ptr->nte_index]) );
+                               ap->to, ap->from,
+                               _nc_visbuf(tp->Strings[to_ptr->nte_index]));
                continue;
            }
 
@@ -773,25 +849,18 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
             * The magic moment -- copy the mapped key string over,
             * stripping out padding.
             */
-           dp = buf2;
-           for (cp = tp->Strings[from_ptr->nte_index]; *cp; cp++)
-           {
-               if (cp[0] == '$' && cp[1] == '<')
-               {
-                   while (*cp && *cp != '>')
-                       if (!*cp)
-                           break;
-                       else
-                           ++cp;
-               }
-               else
-                   *dp++ = *cp;
+           for (dp = buf2, bp = tp->Strings[from_ptr->nte_index]; *bp; bp++) {
+               if (bp[0] == '$' && bp[1] == '<') {
+                   while (*bp && *bp != '>') {
+                       ++bp;
+                   }
+               } else
+                   *dp++ = *bp;
            }
-           *dp++ = '\0';
+           *dp = '\0';
 
            tp->Strings[to_ptr->nte_index] = _nc_save_str(buf2);
-       } while
-           ((cp = strtok((char *)0, ",")) != 0);
+       }
 
        /*
         * Note: ko=im and ko=ic both want to grab the `Insert'
@@ -799,21 +868,21 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
         * got mapped to kich1 and im to kIC to avoid a collision.
         * If the description has im but not ic, hack kIC back to kich1.
         */
-       if (foundim && WANTED(key_ic) && key_sic)
-       {
+       if (foundim && WANTED(key_ic) && key_sic) {
            key_ic = key_sic;
            key_sic = ABSENT_STRING;
        }
     }
 
-    if (!hard_copy)
-    {
-       if (WANTED(key_backspace))
-           key_backspace = _nc_save_str(C_BS);
-       if (WANTED(key_left))
-           key_left = _nc_save_str(C_BS);
-       if (WANTED(key_down))
-           key_down = _nc_save_str(C_LF);
+    if (!has_base) {
+       if (!hard_copy) {
+           if (WANTED(key_backspace))
+               key_backspace = _nc_save_str(C_BS);
+           if (WANTED(key_left))
+               key_left = _nc_save_str(C_BS);
+           if (WANTED(key_down))
+               key_down = _nc_save_str(C_LF);
+       }
     }
 
     /*
@@ -829,90 +898,37 @@ void postprocess_termcap(TERMTYPE *tp, bool has_base)
        PRESENT(acs_ttee) ||
        PRESENT(acs_hline) ||
        PRESENT(acs_vline) ||
-       PRESENT(acs_plus))
-    {
-       char    buf2[MAX_TERMCAP_LENGTH], *bp = buf2;
-
-       if (acs_chars)
-       {
-           (void)strcpy(bp, acs_chars);
-           bp += strlen(bp);
-       }
-
-       if (acs_ulcorner && acs_ulcorner[1] == '\0')
-       {
-           *bp++ = 'l';
-           *bp++ = *acs_ulcorner;
-       }
-       if (acs_llcorner && acs_llcorner[1] == '\0')
-       {
-           *bp++ = 'm';
-           *bp++ = *acs_llcorner;
-       }
-       if (acs_urcorner && acs_urcorner[1] == '\0')
-       {
-           *bp++ = 'k';
-           *bp++ = *acs_urcorner;
-       }
-       if (acs_lrcorner && acs_lrcorner[1] == '\0')
-       {
-           *bp++ = 'j';
-           *bp++ = *acs_lrcorner;
-       }
-       if (acs_ltee && acs_ltee[1] == '\0')
-       {
-           *bp++ = 't';
-           *bp++ = *acs_ltee;
-       }
-       if (acs_rtee && acs_rtee[1] == '\0')
-       {
-           *bp++ = 'u';
-           *bp++ = *acs_rtee;
-       }
-       if (acs_btee && acs_btee[1] == '\0')
-       {
-           *bp++ = 'v';
-           *bp++ = *acs_btee;
-       }
-       if (acs_ttee && acs_ttee[1] == '\0')
-       {
-           *bp++ = 'w';
-           *bp++ = *acs_ttee;
-       }
-       if (acs_hline && acs_hline[1] == '\0')
-       {
-           *bp++ = 'q';
-           *bp++ = *acs_hline;
-       }
-       if (acs_vline && acs_vline[1] == '\0')
-       {
-           *bp++ = 'x';
-           *bp++ = *acs_vline;
-       }
-       if (acs_plus)
-       {
-           *bp++ = 'n';
-           strcpy(bp, acs_plus);
-           bp = buf2 + strlen(buf2);
-       }
-
-       if (bp != buf2)
-       {
-           *bp++ = '\0';
+       PRESENT(acs_plus)) {
+       char buf2[MAX_TERMCAP_LENGTH];
+
+       _nc_str_init(&result, buf2, sizeof(buf2));
+       _nc_safe_strcat(&result, acs_chars);
+
+       append_acs(&result, 'j', acs_lrcorner);
+       append_acs(&result, 'k', acs_urcorner);
+       append_acs(&result, 'l', acs_ulcorner);
+       append_acs(&result, 'm', acs_llcorner);
+       append_acs(&result, 'n', acs_plus);
+       append_acs(&result, 'q', acs_hline);
+       append_acs(&result, 't', acs_ltee);
+       append_acs(&result, 'u', acs_rtee);
+       append_acs(&result, 'v', acs_btee);
+       append_acs(&result, 'w', acs_ttee);
+       append_acs(&result, 'x', acs_vline);
+
+       if (buf2[0]) {
            acs_chars = _nc_save_str(buf2);
            _nc_warning("acsc string synthesized from XENIX capabilities");
        }
-    }
-    else if (acs_chars == 0
-       && enter_alt_charset_mode != 0
-       && exit_alt_charset_mode != 0)
-    {
-       acs_chars = _nc_save_str("``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~");
+    } else if (acs_chars == 0
+              && enter_alt_charset_mode != 0
+              && exit_alt_charset_mode != 0) {
+       acs_chars = _nc_save_str(VT_ACSC);
     }
 }
 
-static
-void postprocess_terminfo(TERMTYPE *tp)
+static void
+postprocess_terminfo(TERMTYPE *tp)
 {
     /*
      * TERMINFO-TO-TERMINFO MAPPINGS FOR SOURCE TRANSLATION
@@ -922,75 +938,26 @@ void postprocess_terminfo(TERMTYPE *tp)
     /*
      * Translate AIX forms characters.
      */
-    if (PRESENT(box_chars_1))
-    {
-       char    buf2[MAX_TERMCAP_LENGTH], *bp = buf2;
-
-       if (acs_chars)
-       {
-           (void)strcpy(bp, acs_chars);
-           bp += strlen(bp);
-       }
-
-       if (box_chars_1[0])     /* ACS_ULCORNER */
-       {
-           *bp++ = 'l';
-           *bp++ = box_chars_1[0];
-       }
-       if (box_chars_1[1])     /* ACS_HLINE */
-       {
-           *bp++ = 'q';
-           *bp++ = box_chars_1[1];
-       }
-       if (box_chars_1[2])     /* ACS_URCORNER */
-       {
-           *bp++ = 'k';
-           *bp++ = box_chars_1[2];
-       }
-       if (box_chars_1[3])     /* ACS_VLINE */
-       {
-           *bp++ = 'x';
-           *bp++ = box_chars_1[3];
-       }
-       if (box_chars_1[4])     /* ACS_LRCORNER */
-       {
-           *bp++ = 'j';
-           *bp++ = box_chars_1[4];
-       }
-       if (box_chars_1[5])     /* ACS_LLCORNER */
-       {
-           *bp++ = 'm';
-           *bp++ = box_chars_1[5];
-       }
-       if (box_chars_1[6])     /* ACS_TTEE */
-       {
-           *bp++ = 'w';
-           *bp++ = box_chars_1[6];
-       }
-       if (box_chars_1[7])     /* ACS_RTEE */
-       {
-           *bp++ = 'u';
-           *bp++ = box_chars_1[7];
-       }
-       if (box_chars_1[8])     /* ACS_BTEE */
-       {
-           *bp++ = 'v';
-           *bp++ = box_chars_1[8];
-       }
-       if (box_chars_1[9])     /* ACS_LTEE */
-       {
-           *bp++ = 't';
-           *bp++ = box_chars_1[9];
-       }
-       if (box_chars_1[10])    /* ACS_PLUS */
-       {
-           *bp++ = 'n';
-           *bp++ = box_chars_1[10];
-       }
-
-       if (bp != buf2)
-       {
-           *bp++ = '\0';
+    if (PRESENT(box_chars_1)) {
+       char buf2[MAX_TERMCAP_LENGTH];
+       string_desc result;
+
+       _nc_str_init(&result, buf2, sizeof(buf2));
+       _nc_safe_strcat(&result, acs_chars);
+
+       append_acs0(&result, 'l', box_chars_1[0]);      /* ACS_ULCORNER */
+       append_acs0(&result, 'q', box_chars_1[1]);      /* ACS_HLINE */
+       append_acs0(&result, 'k', box_chars_1[2]);      /* ACS_URCORNER */
+       append_acs0(&result, 'x', box_chars_1[3]);      /* ACS_VLINE */
+       append_acs0(&result, 'j', box_chars_1[4]);      /* ACS_LRCORNER */
+       append_acs0(&result, 'm', box_chars_1[5]);      /* ACS_LLCORNER */
+       append_acs0(&result, 'w', box_chars_1[6]);      /* ACS_TTEE */
+       append_acs0(&result, 'u', box_chars_1[7]);      /* ACS_RTEE */
+       append_acs0(&result, 'v', box_chars_1[8]);      /* ACS_BTEE */
+       append_acs0(&result, 't', box_chars_1[9]);      /* ACS_LTEE */
+       append_acs0(&result, 'n', box_chars_1[10]);     /* ACS_PLUS */
+
+       if (buf2[0]) {
            acs_chars = _nc_save_str(buf2);
            _nc_warning("acsc string synthesized from AIX capabilities");
            box_chars_1 = ABSENT_STRING;
@@ -1009,8 +976,8 @@ void postprocess_terminfo(TERMTYPE *tp)
  * up in _nc_info_table, which is organized so that the nte_index fields are
  * sorted, but the nte_type fields are not necessarily grouped together.
  */
-static
-struct name_table_entry        const * lookup_fullname(const char *find)
+static struct name_table_entry const *
+lookup_fullname(const char *find)
 {
     int state = -1;
 
@@ -1034,10 +1001,10 @@ struct name_table_entry const * lookup_fullname(const char *find)
 
        for (count = 0; names[count] != 0; count++) {
            if (!strcmp(names[count], find)) {
-               struct name_table_entry const *entry_ptr = _nc_get_table(FALSE);
-               while (entry_ptr->nte_type  != state
-                   || entry_ptr->nte_index != count)
-                       entry_ptr++;
+               struct name_table_entry const *entry_ptr = _nc_get_table(FALSE);
+               while (entry_ptr->nte_type != state
+                      || entry_ptr->nte_index != count)
+                   entry_ptr++;
                return entry_ptr;
            }
        }