/****************************************************************************
- * Copyright (c) 2005-2007,2010 Free Software Foundation, Inc. *
+ * Copyright (c) 2005-2012,2017 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: trim_sgr0.c,v 1.12 2010/12/25 23:03:57 tom Exp $")
+MODULE_ID("$Id: trim_sgr0.c,v 1.17 2017/08/26 14:54:16 tom Exp $")
#undef CUR
#define CUR tp->
#define L_BRACK '['
static char *
-set_attribute_9(TERMTYPE *tp, int flag)
+set_attribute_9(TERMTYPE2 *tp, int flag)
{
- const char *result;
+ const char *value;
+ char *result;
- if ((result = tparm(set_attributes, 0, 0, 0, 0, 0, 0, 0, 0, flag)) == 0)
- result = "";
- return strdup(result);
+ value = tparm(set_attributes, 0, 0, 0, 0, 0, 0, 0, 0, flag);
+ if (PRESENT(value))
+ result = strdup(value);
+ else
+ result = 0;
+ return result;
}
static int
is_csi(const char *s)
{
- if (UChar(s[0]) == CSI)
- return 1;
- else if (s[0] == ESC && s[1] == L_BRACK)
- return 2;
- return 0;
+ int result = 0;
+ if (s != 0) {
+ if (UChar(s[0]) == CSI)
+ result = 1;
+ else if (s[0] == ESC && s[1] == L_BRACK)
+ result = 2;
+ }
+ return result;
}
static char *
static bool
rewrite_sgr(char *s, char *attr)
{
- if (PRESENT(s)) {
+ if (s != 0) {
if (PRESENT(attr)) {
size_t len_s = strlen(s);
size_t len_a = strlen(attr);
for (n = 0; n < len_s - len_a; ++n) {
s[n] = s[n + len_a];
}
- strcpy(s + n, attr);
+ _nc_STRCPY(s + n, attr, strlen(s) + 1);
TR(TRACE_DATABASE, ("to:\n\t%s", s));
}
}
similar_sgr(char *a, char *b)
{
bool result = FALSE;
- int csi_a = is_csi(a);
- int csi_b = is_csi(b);
- size_t len_a;
- size_t len_b;
+ if (a != 0 && b != 0) {
+ int csi_a = is_csi(a);
+ int csi_b = is_csi(b);
+ size_t len_a;
+ size_t len_b;
- TR(TRACE_DATABASE, ("similar_sgr:\n\t%s\n\t%s",
- _nc_visbuf2(1, a),
- _nc_visbuf2(2, b)));
- if (csi_a != 0 && csi_b != 0 && csi_a == csi_b) {
- a += csi_a;
- b += csi_b;
- if (*a != *b) {
- a = skip_zero(a);
- b = skip_zero(b);
+ TR(TRACE_DATABASE, ("similar_sgr:\n\t%s\n\t%s",
+ _nc_visbuf2(1, a),
+ _nc_visbuf2(2, b)));
+ if (csi_a != 0 && csi_b != 0 && csi_a == csi_b) {
+ a += csi_a;
+ b += csi_b;
+ if (*a != *b) {
+ a = skip_zero(a);
+ b = skip_zero(b);
+ }
}
+ len_a = strlen(a);
+ len_b = strlen(b);
+ if (len_a && len_b) {
+ if (len_a > len_b)
+ result = (strncmp(a, b, len_b) == 0);
+ else
+ result = (strncmp(a, b, len_a) == 0);
+ }
+ TR(TRACE_DATABASE, ("...similar_sgr: %d\n\t%s\n\t%s", result,
+ _nc_visbuf2(1, a),
+ _nc_visbuf2(2, b)));
}
- len_a = strlen(a);
- len_b = strlen(b);
- if (len_a && len_b) {
- if (len_a > len_b)
- result = (strncmp(a, b, len_b) == 0);
- else
- result = (strncmp(a, b, len_a) == 0);
- }
- TR(TRACE_DATABASE, ("...similar_sgr: %d\n\t%s\n\t%s", result,
- _nc_visbuf2(1, a),
- _nc_visbuf2(2, b)));
return result;
}
* an error occurs, or the original sgr0 if no change is needed.
*/
NCURSES_EXPORT(char *)
-_nc_trim_sgr0(TERMTYPE *tp)
+_nc_trim_sgr0(TERMTYPE2 *tp)
{
char *result = exit_attribute_mode;
/*
* If rmacs is a substring of sgr(0), remove that chunk.
*/
- if (exit_alt_charset_mode != 0) {
+ if (PRESENT(exit_alt_charset_mode)) {
TR(TRACE_DATABASE, ("scan for rmacs %s", _nc_visbuf(exit_alt_charset_mode)));
j = strlen(off);
k = strlen(exit_alt_charset_mode);