/****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2013,2014 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 *
#define TRACE_OUT(p) /*nothing */
#endif
-MODULE_ID("$Id: write_entry.c,v 1.81 2011/10/22 15:33:37 tom Exp $")
+MODULE_ID("$Id: write_entry.c,v 1.92 2014/11/01 14:47:00 tom Exp $")
static int total_written;
char dir[sizeof(LEAF_FMT)];
char *s = 0;
- if (code == 0 || (s = strchr(dirnames, code)) == 0)
+ if (code == 0 || (s = (strchr) (dirnames, code)) == 0)
_nc_err_abort("Illegal terminfo subdirectory \"" LEAF_FMT "\"", code);
if (verified[s - dirnames])
return;
- sprintf(dir, LEAF_FMT, code);
+ _nc_SPRINTF(dir, _nc_SLIMIT(sizeof(dir)) LEAF_FMT, code);
if (make_db_root(dir) < 0) {
_nc_err_abort("%s/%s: permission denied", _nc_tic_dir(0), dir);
}
if (src == top || _nc_is_abs_path(src)) {
if (strlen(src) + 1 <= limit) {
- (void) strcpy(dst, src);
+ _nc_STRCPY(dst, src, limit);
rc = 0;
}
} else {
if (strlen(top) + strlen(src) + 2 <= limit) {
- (void) sprintf(dst, "%s/%s", top, src);
+ _nc_SPRINTF(dst, _nc_SLIMIT(limit) "%s/%s", top, src);
rc = 0;
}
}
#if USE_HASHED_DB
if (rc == 0) {
- if (_nc_is_dir_path(dst)) {
- rc = -1;
- } else {
- static const char suffix[] = DBM_SUFFIX;
- size_t have = strlen(dst);
- size_t need = strlen(suffix);
- if (have > need && strcmp(dst + (int) (have - need), suffix)) {
- if (have + need <= limit)
- strcat(dst, suffix);
- else
- rc = -1;
+ static const char suffix[] = DBM_SUFFIX;
+ size_t have = strlen(dst);
+ size_t need = strlen(suffix);
+ if (have > need && strcmp(dst + (int) (have - need), suffix)) {
+ if (have + need <= limit) {
+ _nc_STRCAT(dst, suffix, limit);
+ } else {
+ rc = -1;
}
+ } else if (_nc_is_dir_path(dst)) {
+ rc = -1;
}
}
#endif
#if USE_HASHED_DB
DB *capdbp;
- if ((capdbp = _nc_db_open(fullpath, TRUE)) == NULL)
+ if ((capdbp = _nc_db_open(fullpath, TRUE)) == NULL) {
rc = -1;
- else if (_nc_db_close(capdbp) < 0)
+ } else if (_nc_db_close(capdbp) < 0) {
rc = -1;
+ }
#else
struct stat statbuf;
* Set the write directory for compiled entries.
*/
NCURSES_EXPORT(void)
-_nc_set_writedir(char *dir)
+_nc_set_writedir(const char *dir)
{
const char *destination;
char actual[PATH_MAX];
if (dir == 0
- && use_terminfo_vars())
+#ifndef USE_ROOT_ENVIRON
+ && use_terminfo_vars()
+#endif
+ )
dir = getenv("TERMINFO");
if (dir != 0)
char name_list[MAX_TERMINFO_LENGTH];
char *first_name, *other_names;
char *ptr;
+ char *term_names = tp->term_names;
+ size_t name_size = strlen(term_names);
- assert(strlen(tp->term_names) != 0);
- assert(strlen(tp->term_names) < sizeof(name_list));
+ if (name_size == 0) {
+ _nc_syserr_abort("no terminal name found.");
+ } else if (name_size >= sizeof(name_list) - 1) {
+ _nc_syserr_abort("terminal name too long: %s", term_names);
+ }
- (void) strcpy(name_list, tp->term_names);
+ _nc_STRCPY(name_list, term_names, sizeof(name_list));
DEBUG(7, ("Name list = '%s'", name_list));
first_name = name_list;
- ptr = &name_list[strlen(name_list) - 1];
+ ptr = &name_list[name_size - 1];
other_names = ptr + 1;
while (ptr > name_list && *ptr != '|')
buffer[0] = 0;
memset(&key, 0, sizeof(key));
- key.data = tp->term_names;
- key.size = strlen(tp->term_names);
+ key.data = term_names;
+ key.size = name_size;
memset(&data, 0, sizeof(data));
data.data = buffer;
key.data = name_list;
key.size = strlen(name_list);
- strcpy(buffer + 1, tp->term_names);
- data.size = strlen(tp->term_names) + 1;
+ _nc_STRCPY(buffer + 1,
+ term_names,
+ sizeof(buffer) - 1);
+ data.size = name_size + 1;
_nc_db_put(capdb, &key, &data);
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);
+ _nc_SPRINTF(filename, _nc_SLIMIT(sizeof(filename))
+ LEAF_FMT "/%s", first_name[0], first_name);
/*
* Has this primary name been written since the first call to
if (start_time > 0 &&
stat(filename, &statbuf) >= 0
&& statbuf.st_mtime >= start_time) {
+#if HAVE_LINK && !USE_SYMLINKS
+ /*
+ * If the file has more than one link, the reason for the previous
+ * write could be that the current primary name used to be an alias for
+ * the previous entry. In that case, unlink the file so that we will
+ * not modify the previous entry as we write this one.
+ */
+ if (statbuf.st_nlink > 1) {
+ _nc_warning("name redefined.");
+ unlink(filename);
+ } else {
+ _nc_warning("name multiply defined.");
+ }
+#else
_nc_warning("name multiply defined.");
+#endif
}
check_writeable(first_name[0]);
}
check_writeable(ptr[0]);
- sprintf(linkname, LEAF_FMT "/%s", ptr[0], ptr);
+ _nc_SPRINTF(linkname, _nc_SLIMIT(sizeof(linkname))
+ LEAF_FMT "/%s", ptr[0], ptr);
if (strcmp(filename, linkname) == 0) {
_nc_warning("self-synonym ignored");
if (first_name[0] == linkname[0])
strncpy(symlinkname, first_name, sizeof(symlinkname) - 1);
else {
- strcpy(symlinkname, "../");
+ _nc_STRCPY(symlinkname, "../", sizeof(suymlinkname));
strncat(symlinkname, filename, sizeof(symlinkname) - 4);
}
symlinkname[sizeof(symlinkname) - 1] = '\0';
projects / ncurses.git / blobdiff