ncurses 5.7 - patch 20091219

[ncurses.git] / ncurses / tinfo / write_entry.c

diff --git a/ncurses/tinfo/write_entry.c b/ncurses/tinfo/write_entry.c
index a89da90531a8876ade785b12091c326fe1397327..2552eea56df9bcfc5f93de186ff21887c2debf3e 100644 (file)
--- a/ncurses/tinfo/write_entry.c
+++ b/ncurses/tinfo/write_entry.c
@@ -54,7 +54,7 @@
 #define TRACE_OUT(p)           /*nothing */
 #endif
 
-MODULE_ID("$Id: write_entry.c,v 1.73 2009/04/18 21:01:38 tom Exp $")
+MODULE_ID("$Id: write_entry.c,v 1.75 2009/12/05 21:25:01 tom Exp $")
 
 static int total_written;
 
@@ -137,10 +137,12 @@ make_db_path(char *dst, const char *src, unsigned limit)
        if (_nc_is_dir_path(dst)) {
            rc = -1;
        } else {
+           static const char suffix[] = DBM_SUFFIX;
            unsigned have = strlen(dst);
-           if (have > 3 && strcmp(dst + have - 3, DBM_SUFFIX)) {
-               if (have + 3 <= limit)
-                   strcat(dst, DBM_SUFFIX);
+           unsigned need = strlen(suffix);
+           if (have > need && strcmp(dst + have - need, suffix)) {
+               if (have + need <= limit)
+                   strcat(dst, suffix);
                else
                    rc = -1;
            }
@@ -362,7 +364,7 @@ _nc_write_entry(TERMTYPE *const tp)
        start_time = 0;
     }
 
-    if (strlen(first_name) >= sizeof(filename) - 3)
+    if (strlen(first_name) >= sizeof(filename) - (2 + LEAF_LEN))
        _nc_warning("terminal name too long.");
 
     sprintf(filename, LEAF_FMT "/%s", first_name[0], first_name);
@@ -396,7 +398,7 @@ _nc_write_entry(TERMTYPE *const tp)
        if (*other_names != '\0')
            *(other_names++) = '\0';
 
-       if (strlen(ptr) > sizeof(linkname) - 3) {
+       if (strlen(ptr) > sizeof(linkname) - (2 + LEAF_LEN)) {
            _nc_warning("terminal alias %s too long.", ptr);
            continue;
        }
@@ -418,8 +420,12 @@ _nc_write_entry(TERMTYPE *const tp)
        {
            int code;
 #if USE_SYMLINKS
-           strcpy(symlinkname, "../");
-           strncat(symlinkname, filename, sizeof(symlinkname) - 4);
+           if (first_name[0] == linkname[0])
+               strncpy(symlinkname, first_name, sizeof(symlinkname) - 1);
+           else {
+               strcpy(symlinkname, "../");
+               strncat(symlinkname, filename, sizeof(symlinkname) - 4);
+           }
            symlinkname[sizeof(symlinkname) - 1] = '\0';
 #endif /* USE_SYMLINKS */
 #if HAVE_REMOVE