static int
make_db_path(char *dst, const char *src, unsigned limit)
{
int rc = -1;
const char *top = _nc_tic_dir(0);
if (src == top || _nc_is_abs_path(src)) {
if (strlen(src) + 1 <= limit) {
(void) strlcpy(dst, src, limit);
rc = 0;
}
} else {
if (strlen(top) + strlen(src) + 2 <= limit) {
(void) snprintf(dst, limit, "%s/%s", top, src);
rc = 0;
}
}
#if USE_HASHED_DB
if (rc == 0) {
if (_nc_is_dir_path(dst)) {
rc = -1;
} else {
unsigned have = strlen(dst);
if (have > 3 && strcmp(dst + have - 3, DBM_SUFFIX)) {
if (have + 3 <= limit)
strlcat(dst, DBM_SUFFIX, limit);
else
rc = -1;
}
}
}
#endif
return rc;
}
static int
make_db_path(char *dst, const char *src, size_t limit)
{
int rc = -1;
const char *top = _nc_tic_dir(0);
if (src == top || _nc_is_abs_path(src)) {
if (strlen(src) + 1 <= limit) {
_nc_STRCPY(dst, src, limit);
rc = 0;
}
} else {
if (strlen(top) + strlen(src) + 2 <= limit) {
_nc_SPRINTF(dst, _nc_SLIMIT(limit) "%s/%s", top, src);
rc = 0;
}
}
#if USE_HASHED_DB
if (rc == 0) {
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
return rc;
}
static bool
is_database(const char *path)
{
bool result = FALSE;
#if USE_DATABASE
if (_nc_is_dir_path(path) && access(path, R_OK | X_OK) == 0) {
result = TRUE;
}
#endif
#if USE_TERMCAP
if (_nc_is_file_path(path) && access(path, R_OK) == 0) {
result = TRUE;
}
#endif
#if USE_HASHED_DB
if (!result) {
char filename[PATH_MAX];
if (_nc_is_file_path(path) && access(path, R_OK) == 0) {
result = TRUE;
} else if (make_db_name(filename, path, sizeof(filename))) {
if (_nc_is_file_path(filename) && access(filename, R_OK) == 0) {
result = TRUE;
}
}
}
#endif
return result;
}
trace(const unsigned int tracelevel)
{
if ((TraceFP == 0) && tracelevel) {
const char *mode = _nc_globals.init_trace ? "ab" : "wb";
if (TracePath[0] == '\0') {
int size = sizeof(TracePath) - 12;
if (getcwd(TracePath, size) == 0) {
perror("curses: Can't get working directory");
exit(EXIT_FAILURE);
}
TracePath[size] = '\0';
assert(strlen(TracePath) <= size);
strlcat(TracePath, "/trace", sizeof(TracePath));
if (_nc_is_dir_path(TracePath)) {
strlcat(TracePath, ".log", sizeof(TracePath));
}
}
_nc_globals.init_trace = TRUE;
_nc_tracing = tracelevel;
if (_nc_access(TracePath, W_OK) < 0
|| (TraceFP = fopen(TracePath, mode)) == 0) {
perror("curses: Can't open 'trace' file");
exit(EXIT_FAILURE);
}
/* Try to set line-buffered mode, or (failing that) unbuffered,
* so that the trace-output gets flushed automatically at the
* end of each line. This is useful in case the program dies.
*/
#if HAVE_SETVBUF /* ANSI */
(void) setvbuf(TraceFP, (char *) 0, _IOLBF, 0);
#elif HAVE_SETBUF /* POSIX */
(void) setbuffer(TraceFP, (char *) 0);
#endif
_tracef("TRACING NCURSES version %s.%d (tracelevel=%#x)",
NCURSES_VERSION,
NCURSES_VERSION_PATCH,
tracelevel);
} else if (tracelevel == 0) {
if (TraceFP != 0) {
fclose(TraceFP);
TraceFP = 0;
}
_nc_tracing = tracelevel;
} else if (_nc_tracing != tracelevel) {
_nc_tracing = tracelevel;
_tracef("tracelevel=%#x", tracelevel);
}
}
static int
make_db_path(char *dst, const char *src, unsigned limit)
{
int rc = -1;
const char *top = _nc_tic_dir(0);
if (src == top || _nc_is_abs_path(src)) {
if (strlen(src) + 1 <= limit) {
(void) strcpy(dst, src);
rc = 0;
}
} else {
if (strlen(top) + strlen(src) + 2 <= limit) {
(void) sprintf(dst, "%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;
unsigned have = strlen(dst);
unsigned need = strlen(suffix);
if (have > need && strcmp(dst + have - need, suffix)) {
if (have + need <= limit)
strcat(dst, suffix);
else
rc = -1;
}
}
}
#endif
return rc;
}