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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Thomas E. Dickey 1997-on *
31 ****************************************************************************/
33 * trace_buf.c - Tracing/Debugging buffers (attributes)
36 #include <curses.priv.h>
38 MODULE_ID("$Id: trace_buf.c,v 1.20 2012/02/22 22:34:31 tom Exp $")
42 #define MyList _nc_globals.tracebuf_ptr
43 #define MySize _nc_globals.tracebuf_used
46 _nc_trace_alloc(int bufnum, size_t want)
51 if ((size_t) (bufnum + 1) > MySize) {
52 size_t need = (size_t) (bufnum + 1) * 2;
53 if ((MyList = typeRealloc(TRACEBUF, need, MyList)) != 0) {
55 MyList[MySize++].text = 0;
60 if (MyList[bufnum].text == 0
61 || want > MyList[bufnum].size) {
62 MyList[bufnum].text = typeRealloc(char, want, MyList[bufnum].text);
63 if (MyList[bufnum].text != 0)
64 MyList[bufnum].size = want;
66 result = MyList[bufnum].text;
74 if (MyList[MySize].text != 0) {
75 free(MyList[MySize].text);
89 * (re)Allocate a buffer big enough for the caller's wants.
91 NCURSES_EXPORT(char *)
92 _nc_trace_buf(int bufnum, size_t want)
94 char *result = _nc_trace_alloc(bufnum, want);
101 * Append a new string to an existing buffer.
103 NCURSES_EXPORT(char *)
104 _nc_trace_bufcat(int bufnum, const char *value)
106 char *buffer = _nc_trace_alloc(bufnum, (size_t) 0);
108 size_t have = strlen(buffer);
109 size_t need = strlen(value) + have;
111 buffer = _nc_trace_alloc(bufnum, 1 + need);
113 _nc_STRCPY(buffer + have, value, need);
119 EMPTY_MODULE(_nc_empty_trace_buf)