/****************************************************************************
- * Copyright (c) 1998,2000,2001 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2011,2012 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 <ctype.h>
#include <tic.h>
-MODULE_ID("$Id: comp_expand.c,v 1.17 2001/09/22 19:16:52 tom Exp $")
+MODULE_ID("$Id: comp_expand.c,v 1.25 2012/03/24 18:37:17 tom Exp $")
static int
trailing_spaces(const char *src)
#define REALCTL(s) (UChar(*(s)) < 127 && iscntrl(UChar(*(s))))
#define REALPRINT(s) (UChar(*(s)) < 127 && isprint(UChar(*(s))))
+#define P_LIMIT(p) (length - (size_t)(p))
+
NCURSES_EXPORT(char *)
-_nc_tic_expand
-(const char *srcp, bool tic_format, int numbers)
+_nc_tic_expand(const char *srcp, bool tic_format, int numbers)
{
static char *buffer;
static size_t length;
int bufp;
- const char *str = VALID_STRING(srcp) ? srcp : "";
+ const char *str = VALID_STRING(srcp) ? srcp : "\0\0";
bool islong = (strlen(str) > 3);
size_t need = (2 + strlen(str)) * 4;
int ch;
+ if (srcp == 0) {
+#if NO_LEAKS
+ if (buffer != 0) {
+ FreeAndNull(buffer);
+ length = 0;
+ }
+#endif
+ return 0;
+ }
if (buffer == 0 || need > length) {
if ((buffer = typeRealloc(char, length = need, buffer)) == 0)
return 0;
&& str[1] != '\\'
&& REALPRINT(str + 1)
&& str[2] == S_QUOTE) {
- sprintf(buffer + bufp, "{%d}", str[1]);
- bufp += strlen(buffer + bufp);
+ _nc_SPRINTF(buffer + bufp, _nc_SLIMIT(P_LIMIT(bufp))
+ "{%d}", str[1]);
+ bufp += (int) strlen(buffer + bufp);
str += 2;
} else {
buffer[bufp++] = *str;
if (ch == '\\'
|| ch == S_QUOTE)
buffer[bufp++] = '\\';
- buffer[bufp++] = ch;
+ buffer[bufp++] = (char) ch;
buffer[bufp++] = S_QUOTE;
str = dst;
} else {
buffer[bufp++] = 's';
} else if ((ch == ',' || ch == ':' || ch == '^') && tic_format) {
buffer[bufp++] = '\\';
- buffer[bufp++] = ch;
+ buffer[bufp++] = (char) ch;
} else if (REALPRINT(str)
&& (ch != ','
&& ch != ':'
&& !(ch == '!' && !tic_format)
&& ch != '^'))
- buffer[bufp++] = ch;
+ buffer[bufp++] = (char) ch;
#if 0 /* FIXME: this would be more readable (in fact the whole 'islong' logic should be removed) */
else if (ch == '\b') {
buffer[bufp++] = '\\';
#define UnCtl(c) ((c) + '@')
else if (REALCTL(str) && ch != '\\'
&& (!islong || isdigit(UChar(str[1])))) {
- (void) sprintf(&buffer[bufp], "^%c", UnCtl(ch));
+ _nc_SPRINTF(&buffer[bufp], _nc_SLIMIT(P_LIMIT(bufp))
+ "^%c", UnCtl(ch));
bufp += 2;
} else {
- (void) sprintf(&buffer[bufp], "\\%03o", ch);
+ _nc_SPRINTF(&buffer[bufp], _nc_SLIMIT(P_LIMIT(bufp))
+ "\\%03o", ch);
bufp += 4;
}