ncurses 5.5

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

diff --git a/ncurses/tinfo/write_entry.c b/ncurses/tinfo/write_entry.c
index 12aedd6e565ca942087e9512300270516ec66899..9750dffd5ffe5ecaf1de83b2b40592cf809a793d 100644 (file)
--- a/ncurses/tinfo/write_entry.c
+++ b/ncurses/tinfo/write_entry.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2000,2002 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            *
@@ -52,7 +52,7 @@
 #define TRACE_OUT(p)           /*nothing */
 #endif
 
-MODULE_ID("$Id: write_entry.c,v 1.52 2000/03/11 12:23:42 tom Exp $")
+MODULE_ID("$Id: write_entry.c,v 1.58 2002/04/21 20:35:08 tom Exp $")
 
 static int total_written;
 
@@ -109,17 +109,19 @@ make_directory(const char *path)
     return rc;
 }
 
-void
+NCURSES_EXPORT(void)
 _nc_set_writedir(char *dir)
 /* set the write directory for compiled entries */
 {
     const char *destination;
     char actual[PATH_MAX];
 
+    if (dir == 0
+       && use_terminfo_vars())
+       dir = getenv("TERMINFO");
+
     if (dir != 0)
        (void) _nc_tic_dir(dir);
-    else if (getenv("TERMINFO") != NULL)
-       (void) _nc_tic_dir(getenv("TERMINFO"));
 
     destination = _nc_tic_dir(0);
     if (make_directory(destination) < 0) {
@@ -129,7 +131,7 @@ _nc_set_writedir(char *dir)
            destination = home;
            if (make_directory(destination) < 0)
                _nc_err_abort("%s: permission denied (errno %d)",
-                   destination, errno);
+                             destination, errno);
        }
     }
 
@@ -162,7 +164,7 @@ check_writeable(int code)
     static bool verified[sizeof(dirnames)];
 
     char dir[2];
-    char *s;
+    char *s = 0;
 
     if (code == 0 || (s = strchr(dirnames, code)) == 0)
        _nc_err_abort("Illegal terminfo subdirectory \"%c\"", code);
@@ -212,6 +214,10 @@ _nc_write_entry(TERMTYPE * const tp)
     char linkname[PATH_MAX];
 #if USE_SYMLINKS
     char symlinkname[PATH_MAX];
+#if !HAVE_LINK
+#undef HAVE_LINK
+#define HAVE_LINK 1
+#endif
 #endif /* USE_SYMLINKS */
     static int call_count;
     static time_t start_time;  /* time at start of writes */
@@ -273,7 +279,7 @@ _nc_write_entry(TERMTYPE * const tp)
        if (stat(filename, &statbuf) < 0
            || (start_time = statbuf.st_mtime) == 0) {
            _nc_syserr_abort("error obtaining time from %s/%s",
-               _nc_tic_dir(0), filename);
+                            _nc_tic_dir(0), filename);
        }
     }
     while (*other_names != '\0') {
@@ -299,7 +305,7 @@ _nc_write_entry(TERMTYPE * const tp)
        if (strcmp(filename, linkname) == 0) {
            _nc_warning("self-synonym ignored");
        } else if (stat(linkname, &statbuf) >= 0 &&
-           statbuf.st_mtime < start_time) {
+                  statbuf.st_mtime < start_time) {
            _nc_warning("alias %s multiply defined.", ptr);
        } else if (_nc_access(linkname, W_OK) == 0)
 #if HAVE_LINK
@@ -331,10 +337,16 @@ _nc_write_entry(TERMTYPE * const tp)
                 */
                if (code == 0 && errno == EEXIST)
                    _nc_warning("can't link %s to %s", filename, linkname);
-               else if (code == 0 && errno == EPERM)
+               else if (code == 0 && (errno == EPERM || errno == ENOENT))
                    write_file(linkname, tp);
-               else
+               else {
+#if MIXEDCASE_FILENAMES
                    _nc_syserr_abort("can't link %s to %s", filename, linkname);
+#else
+                   _nc_warning("can't link %s to %s (errno=%d)", filename,
+                               linkname, errno);
+#endif
+               }
            } else {
                DEBUG(1, ("Linked %s", linkname));
            }
@@ -353,10 +365,10 @@ _nc_write_entry(TERMTYPE * const tp)
 #define WRITE_STRING(str) (fwrite(str, sizeof(char), strlen(str) + 1, fp) == strlen(str) + 1)
 
 static int
-compute_offsets(char **Strings, int strmax, short *offsets)
+compute_offsets(char **Strings, unsigned strmax, short *offsets)
 {
     size_t nextfree = 0;
-    int i;
+    unsigned i;
 
     for (i = 0; i < strmax; i++) {
        if (Strings[i] == ABSENT_STRING) {
@@ -373,9 +385,9 @@ compute_offsets(char **Strings, int strmax, short *offsets)
 }
 
 static void
-convert_shorts(unsigned char *buf, short *Numbers, int count)
+convert_shorts(unsigned char *buf, short *Numbers, unsigned count)
 {
-    int i;
+    unsigned i;
     for (i = 0; i < count; i++) {
        if (Numbers[i] == ABSENT_NUMERIC) {     /* HI/LO won't work */
            buf[2 * i] = buf[2 * i + 1] = 0377;
@@ -518,7 +530,7 @@ write_object(FILE * fp, TERMTYPE * tp)
        TRACE_OUT(("WRITE %d booleans @%ld", tp->ext_Booleans, ftell(fp)));
        if (tp->ext_Booleans
            && fwrite(tp->Booleans + BOOLCOUNT, sizeof(char),
-               tp->ext_Booleans, fp) != tp->ext_Booleans)
+                     tp->ext_Booleans, fp) != tp->ext_Booleans)
              return (ERR);
 
        if (even_boundary(tp->ext_Booleans))
@@ -547,7 +559,7 @@ write_object(FILE * fp, TERMTYPE * tp)
        for (i = 0; i < tp->ext_Strings; i++) {
            if (VALID_STRING(tp->Strings[i + STRCOUNT])) {
                TRACE_OUT(("WRITE ext_Strings[%d]=%s", i,
-                       _nc_visbuf(tp->Strings[i + STRCOUNT])));
+                          _nc_visbuf(tp->Strings[i + STRCOUNT])));
                if (!WRITE_STRING(tp->Strings[i + STRCOUNT]))
                    return (ERR);
            }
@@ -572,7 +584,7 @@ write_object(FILE * fp, TERMTYPE * tp)
 /*
  * Returns the total number of entries written by this process
  */
-int
+NCURSES_EXPORT(int)
 _nc_tic_written(void)
 {
     return total_written;