/****************************************************************************
- * Copyright (c) 2001-2008,2012 Free Software Foundation, Inc. *
+ * Copyright 2020,2023 Thomas E. Dickey *
+ * Copyright 2001-2008,2012 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>
-MODULE_ID("$Id: varargs.c,v 1.10 2012/02/22 22:40:24 tom Exp $")
+MODULE_ID("$Id: varargs.c,v 1.13 2023/06/24 13:41:46 tom Exp $")
#ifdef TRACE
NCURSES_EXPORT(char *)
_nc_varargs(const char *fmt, va_list ap)
{
- static char dummy[] = "";
-
char buffer[BUFSIZ];
const char *param;
int n;
if (fmt == 0 || *fmt == '\0')
- return dummy;
+ return NULL;
if (MyLength == 0)
MyBuffer = typeMalloc(char, MyLength = BUFSIZ);
if (MyBuffer == 0)
- return dummy;
+ return NULL;
*MyBuffer = '\0';
while (*fmt != '\0') {
}
MyLength += strlen(param) + 2;
MyBuffer = typeRealloc(char, MyLength, MyBuffer);
- _nc_SPRINTF(MyBuffer + strlen(MyBuffer),
- _nc_SLIMIT(MyLength - strlen(MyBuffer))
- ", %s", param);
+ if (MyBuffer != 0) {
+ _nc_SPRINTF(MyBuffer + strlen(MyBuffer),
+ _nc_SLIMIT(MyLength - strlen(MyBuffer))
+ ", %s", param);
+ }
}
}
used = atUnknown;
}
}
- return (MyBuffer);
+ return (MyBuffer ? MyBuffer : NULL);
}
#else
EMPTY_MODULE(_nc_varargs)