/****************************************************************************
- * Copyright (c) 1998-2015,2016 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2016,2017 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 *
#include <tic.h>
-MODULE_ID("$Id: read_entry.c,v 1.130 2016/05/28 23:22:52 tom Exp $")
+MODULE_ID("$Id: read_entry.c,v 1.140 2017/02/05 01:49:55 tom Exp $")
#define TYPE_CALLOC(type,elts) typeCalloc(type, (unsigned)(elts))
char *string_table;
unsigned want, have;
+ TR(TRACE_DATABASE,
+ (T_CALLED("_nc_read_termtype(ptr=%p, buffer=%p, limit=%d)"),
+ ptr, buffer, limit));
+
TR(TRACE_DATABASE, ("READ termtype header @%d", offset));
memset(ptr, 0, sizeof(*ptr));
/* grab the header */
if (!read_shorts(buf, 6)
|| !IS_TIC_MAGIC(buf)) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
- name_size = MyNumber(buf + 2);
+ /* *INDENT-EQLS* */
+ name_size = MyNumber(buf + 2);
bool_count = MyNumber(buf + 4);
- num_count = MyNumber(buf + 6);
- str_count = MyNumber(buf + 8);
- str_size = MyNumber(buf + 10);
+ num_count = MyNumber(buf + 6);
+ str_count = MyNumber(buf + 8);
+ str_size = MyNumber(buf + 10);
TR(TRACE_DATABASE,
("TERMTYPE name_size=%d, bool=%d/%d, num=%d/%d str=%d/%d(%d)",
|| num_count < 0
|| str_count < 0
|| str_size < 0) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
want = (unsigned) (str_size + name_size + 1);
/* try to allocate space for the string table */
if (str_count * 2 >= MAX_ENTRY_SIZE
|| (string_table = typeMalloc(char, want)) == 0) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
} else {
str_count = 0;
if ((string_table = typeMalloc(char, want)) == 0) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
}
if ((ptr->Booleans = TYPE_CALLOC(NCURSES_SBOOL,
max(BOOLCOUNT, bool_count))) == 0
|| Read(ptr->Booleans, (unsigned) bool_count) < bool_count) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
/*
/* grab the numbers */
if ((ptr->Numbers = TYPE_CALLOC(short, max(NUMCOUNT, num_count))) == 0
|| !read_shorts(buf, num_count)) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
convert_shorts(buf, ptr->Numbers, num_count);
if ((ptr->Strings = TYPE_CALLOC(char *, max(STRCOUNT, str_count))) == 0) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
if (str_count) {
/* grab the string offsets */
if (!read_shorts(buf, str_count)) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
/* finally, grab the string table itself */
if (Read(string_table, (unsigned) str_size) != str_size) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
convert_strings(buf, ptr->Strings, str_count, str_size, string_table);
}
|| ext_str_count < 0
|| ext_str_size < 0
|| ext_str_limit < 0) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
ptr->num_Booleans = UShort(BOOLCOUNT + ext_bool_count);
if ((ptr->ext_Booleans = UShort(ext_bool_count)) != 0) {
if (Read(ptr->Booleans + BOOLCOUNT, (unsigned)
ext_bool_count) != ext_bool_count) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
}
even_boundary(ext_bool_count);
ext_num_count, offset));
if ((ptr->ext_Numbers = UShort(ext_num_count)) != 0) {
if (!read_shorts(buf, ext_num_count)) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
TR(TRACE_DATABASE, ("Before converting extended-numbers"));
convert_shorts(buf, ptr->Numbers + NUMCOUNT, ext_num_count);
TR(TRACE_DATABASE, ("READ extended-offsets @%d", offset));
if ((unsigned) (ext_str_count + (int) need) >= (MAX_ENTRY_SIZE / 2)) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
if ((ext_str_count || need)
&& !read_shorts(buf, ext_str_count + (int) need)) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
TR(TRACE_DATABASE, ("READ %d bytes of extended-strings @%d",
if (ext_str_limit) {
ptr->ext_str_table = typeMalloc(char, (size_t) ext_str_limit);
if (ptr->ext_str_table == 0) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
if (Read(ptr->ext_str_table, (unsigned) ext_str_limit) != ext_str_limit) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
TR(TRACE_DATABASE, ("first extended-string is %s", _nc_visbuf(ptr->ext_str_table)));
}
if (need) {
if (ext_str_count >= (MAX_ENTRY_SIZE / 2)) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
if ((ptr->ext_Names = TYPE_CALLOC(char *, need)) == 0) {
- return (TGETENT_NO);
+ returnDB(TGETENT_NO);
}
TR(TRACE_DATABASE,
("ext_NAMES starting @%d in extended_strings, first = %s",
for (i = str_count; i < STRCOUNT; i++)
ptr->Strings[i] = ABSENT_STRING;
- return (TGETENT_YES);
+ returnDB(TGETENT_YES);
}
/*
return result;
}
+static int
+lookup_b64(int *target, const char **source)
+{
+ int result = 3;
+ int j;
+ /*
+ * ncurses' quickdump writes only RFC 4648 "url/filename-safe" encoding,
+ * but accepts RFC-3548
+ */
+ for (j = 0; j < 4; ++j) {
+ int ch = UChar(**source);
+ *source += 1;
+ if (ch >= 'A' && ch <= 'Z') {
+ target[j] = (ch - 'A');
+ } else if (ch >= 'a' && ch <= 'z') {
+ target[j] = 26 + (ch - 'a');
+ } else if (ch >= '0' && ch <= '9') {
+ target[j] = 52 + (ch - '0');
+ } else if (ch == '-' || ch == '+') {
+ target[j] = 62;
+ } else if (ch == '_' || ch == '/') {
+ target[j] = 63;
+ } else if (ch == '=') {
+ target[j] = 64;
+ result--;
+ } else {
+ result = -1;
+ break;
+ }
+ }
+ return result;
+}
+
+static int
+decode_hex(const char **source)
+{
+ int result = 0;
+ int nibble;
+ int ch;
+
+ for (nibble = 0; nibble < 2; ++nibble) {
+ result <<= 4;
+ ch = UChar(**source);
+ *source += 1;
+ if (ch >= '0' && ch <= '9') {
+ ch -= '0';
+ } else if (ch >= 'A' && ch <= 'F') {
+ ch -= 'A';
+ ch += 10;
+ } else if (ch >= 'a' && ch <= 'f') {
+ ch -= 'a';
+ ch += 10;
+ } else {
+ result = -1;
+ break;
+ }
+ result |= ch;
+ }
+ return result;
+}
+
+static int
+decode_quickdump(char *target, const char *source)
+{
+ char *base = target;
+ int result = 0;
+
+ if (!strncmp(source, "b64:", 4)) {
+ source += 4;
+ while (*source != '\0') {
+ int bits[4];
+ int ch = lookup_b64(bits, &source);
+ if (ch < 0 || (ch + target - base) >= MAX_ENTRY_SIZE) {
+ result = 0;
+ break;
+ }
+ result += ch;
+ *target++ = (char) ((bits[0] << 2) | (bits[1] >> 4));
+ if (bits[2] < 64) {
+ *target++ = (char) ((bits[1] << 4) | (bits[2] >> 2));
+ if (bits[3] < 64) {
+ *target++ = (char) ((bits[2] << 6) | bits[3]);
+ }
+ }
+ }
+ } else if (!strncmp(source, "hex:", 4)) {
+ source += 4;
+ while (*source != '\0') {
+ int ch = decode_hex(&source);
+ if (ch < 0 || (target - base) >= MAX_ENTRY_SIZE) {
+ result = 0;
+ break;
+ }
+ *target++ = (char) ch;
+ ++result;
+ }
+ }
+ return result;
+}
+
/*
* Build a terminfo pathname and try to read the data. Returns TGETENT_YES on
* success, TGETENT_NO on failure.
TERMTYPE *const tp)
{
int code = TGETENT_NO;
-
#if USE_HASHED_DB
DB *capdbp;
+#endif
+ char buffer[MAX_ENTRY_SIZE + 1];
+ int used;
- if (make_db_filename(filename, limit, path)
- && (capdbp = _nc_db_open(filename, FALSE)) != 0) {
+ TR(TRACE_DATABASE,
+ (T_CALLED("_nc_read_tic_entry(file=%p, path=%s, name=%s)"),
+ filename, path, name));
+
+ if ((used = decode_quickdump(buffer, path)) != 0
+ && (code = _nc_read_termtype(tp, buffer, used)) == TGETENT_YES
+ && _nc_name_match(tp->term_names, name, "|")) {
+ TR(TRACE_DATABASE, ("loaded quick-dump for %s", name));
+ } else
+#if USE_HASHED_DB
+ if (make_db_filename(filename, limit, path)
+ && (capdbp = _nc_db_open(filename, FALSE)) != 0) {
DBT key, data;
int reccnt = 0;
* (source/binary) by checking the lengths.
*/
while (_nc_db_get(capdbp, &key, &data) == 0) {
- int used = (int) data.size - 1;
char *have = (char *) data.data;
+ used = (int) data.size - 1;
if (*have++ == 0) {
if (data.size > key.size
"%.*s", PATH_MAX - 1, _nc_get_source());
}
#endif
- return code;
+ returnDB(code);
}
#endif /* NCURSES_USE_DATABASE */
_nc_first_db(&state, &offset);
code = TGETENT_ERR;
while ((path = _nc_next_db(&state, &offset)) != 0) {
- TR(TRACE_DATABASE, ("_nc_read_tic_entry path=%s, name=%s", path, name));
code = _nc_read_tic_entry(filename, PATH_MAX, path, name, tp);
if (code == TGETENT_YES) {
_nc_last_db();
projects / ncurses.git / blobdiff