strdup vs dupstr

mdlib.c was avoiding alloc() and dupstr() because mdlib.o gets linked
with makedefs and makedefs used to need to avoid those.  But makedefs
doesn't avoid those anymore, so mdlib.c doesn't need to either.

Replace a couple of other strdup() calls in other files too.

src/files.c

@@ -1217,7 +1217,7 @@ get_saved_games(void)
             if (findfirst((char *) fq_save)) {
                 i = 0;
                 do {
-                    files[i++] = strdup(foundfile);
+                    files[i++] = dupstr(foundfile);
                 } while (findnext());
             }
         }

src/mdlib.c

@@ -14,9 +14,6 @@
 #ifndef MAKEDEFS_C
 #define MDLIB_C
 #include "config.h"
-#ifdef MONITOR_HEAP
-#undef free /* makedefs, mdlib don't use the alloc and free in src/alloc.c */
-#endif
 #include "permonst.h"
 #include "objclass.h"
 #include "sym.h"
@@ -644,7 +641,7 @@ opt_out_words(char *str,     /* input, but modified during processing */
         if (word)
             *word = '\0';
         if (*length_p + (int) strlen(str) > COLNO - 5) {
-            opttext[idxopttext] = strdup(optbuf);
+            opttext[idxopttext] = dupstr(optbuf);
             if (idxopttext < (MAXOPT - 1))
                 idxopttext++;
             Sprintf(optbuf, "%s", opt_indent),
@@ -670,7 +667,7 @@ build_options(void)
 #endif
 #endif
     build_savebones_compat_string();
-    opttext[idxopttext] = strdup(optbuf);
+    opttext[idxopttext] = dupstr(optbuf);
     if (idxopttext < (MAXOPT - 1))
         idxopttext++;
 #if (NH_DEVEL_STATUS != NH_STATUS_RELEASED)
@@ -684,11 +681,11 @@ build_options(void)
 #endif /* NH_DEVEL_STATUS == NH_STATUS_RELEASED */
     Sprintf(optbuf, "%sNetHack version %d.%d.%d%s\n",
             opt_indent, VERSION_MAJOR, VERSION_MINOR, PATCHLEVEL, STATUS_ARG);
-    opttext[idxopttext] = strdup(optbuf);
+    opttext[idxopttext] = dupstr(optbuf);
     if (idxopttext < (MAXOPT - 1))
         idxopttext++;
     Sprintf(optbuf, "Options compiled into this edition:");
-    opttext[idxopttext] = strdup(optbuf);
+    opttext[idxopttext] = dupstr(optbuf);
     if (idxopttext < (MAXOPT - 1))
         idxopttext++;
     optbuf[0] = '\0';
@@ -706,17 +703,17 @@ build_options(void)
                (i < SIZE(build_opts) - 1) ? "," : ".");
         opt_out_words(buf, &length);
     }
-    opttext[idxopttext] = strdup(optbuf);
+    opttext[idxopttext] = dupstr(optbuf);
     if (idxopttext < (MAXOPT - 1))
         idxopttext++;
     optbuf[0] = '\0';
     winsyscnt = count_and_validate_winopts();
-    opttext[idxopttext] = strdup(optbuf);
+    opttext[idxopttext] = dupstr(optbuf);
     if (idxopttext < (MAXOPT - 1))
         idxopttext++;
     Sprintf(optbuf, "Supported windowing system%s:",
             (winsyscnt > 1) ? "s" : "");
-    opttext[idxopttext] = strdup(optbuf);
+    opttext[idxopttext] = dupstr(optbuf);
     if (idxopttext < (MAXOPT - 1))
         idxopttext++;
     optbuf[0] = '\0';
@@ -748,7 +745,7 @@ build_options(void)
         opt_out_words(buf, &length);
     }
 
-    opttext[idxopttext] = strdup(optbuf);
+    opttext[idxopttext] = dupstr(optbuf);
     if (idxopttext < (MAXOPT - 1))
         idxopttext++;
     optbuf[0] = '\0';
@@ -776,7 +773,7 @@ build_options(void)
         /* add lua copyright notice;
            ":TAG:" substitutions are deferred to caller */
         for (i = 0; lua_info[i]; ++i) {
-            opttext[idxopttext] = strdup(lua_info[i]);
+            opttext[idxopttext] = dupstr(lua_info[i]);
             if (idxopttext < (MAXOPT - 1))
                 idxopttext++;
         }
@@ -784,7 +781,7 @@ build_options(void)
 #endif /* MAKEDEFS_C || FOR_RUNTIME */
 
     /* end with a blank line */
-    opttext[idxopttext] = strdup("");
+    opttext[idxopttext] = dupstr("");
     if (idxopttext < (MAXOPT - 1))
         idxopttext++;
     return;

src/pline.c

@@ -406,10 +406,10 @@ gamelog_add(unsigned int glflags, long gltime, const char *str)
     struct gamelog_line *tmp;
     struct gamelog_line *lst = g.gamelog;
 
-    tmp = (struct gamelog_line *)alloc(sizeof(struct gamelog_line));
+    tmp = (struct gamelog_line *) alloc(sizeof (struct gamelog_line));
     tmp->turn = gltime;
     tmp->flags = glflags;
-    tmp->text = strdup(str);
+    tmp->text = dupstr(str);
     tmp->next = NULL;
     while (lst && lst->next)
         lst = lst->next;
@@ -420,7 +420,7 @@ gamelog_add(unsigned int glflags, long gltime, const char *str)
 }
 
 void
-livelog_printf(unsigned int ll_type, const char *line, ...)
+livelog_printf(unsigned ll_type, const char *line, ...)
 {
     char gamelogbuf[BUFSZ * 2];
     va_list the_args;
@@ -435,16 +435,20 @@ livelog_printf(unsigned int ll_type, const char *line, ...)
 }
 
 #else
+
 void
-gamelog_add(unsigned int glflags UNUSED, long gltime UNUSED, const char *msg UNUSED)
+gamelog_add(
+    unsigned glflags UNUSED, long gltime UNUSED, const char *msg UNUSED)
 {
-    /* nothing here */
+    ; /* nothing here */
 }
+
 void
-livelog_printf(unsigned int ll_type UNUSED, const char *line UNUSED, ...)
+livelog_printf(unsigned ll_type UNUSED, const char *line UNUSED, ...)
 {
-    /* nothing here */
+    ; /* nothing here */
 }
+
 #endif /* !CHRONICLE */
 
 static void vraw_printf(const char *, va_list);