2 /*======================================================================
4 CREATOR: eric 30 June 1999
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of either:
13 The LGPL as published by the Free Software Foundation, version
14 2.1, available at: http://www.fsf.org/copyleft/lesser.html
18 The Mozilla Public License Version 1.0. You may obtain a copy of
19 the License at http://www.mozilla.org/MPL/
21 The Initial Developer of the Original Code is Eric Busboom
23 (C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org
24 ======================================================================*/
29 #include <sys/types.h> /* for size_t */
32 /* Tmp buffers are managed by ical. References can be returned to the
33 caller, although the caller will not own the memory. */
35 void* icalmemory_tmp_buffer(size_t size);
36 char* icalmemory_tmp_copy(const char* str);
38 /* Add an externally allocated buffer to the ring. */
39 void icalmemory_add_tmp_buffer(void*);
42 /* Free all memory used in the ring */
43 void icalmemory_free_ring(void);
45 /* Non-tmp buffers must be freed. These are mostly wrappers around
46 * malloc, etc, but are used so the caller can change the memory
47 * allocators in a future version of the library */
49 void* icalmemory_new_buffer(size_t size);
50 void* icalmemory_resize_buffer(void* buf, size_t size);
51 void icalmemory_free_buffer(void* buf);
53 /* icalmemory_append_string will copy the string 'string' to the
54 buffer 'buf' starting at position 'pos', reallocing 'buf' if it is
55 too small. 'buf_size' is the size of 'buf' and will be changed if
56 'buf' is reallocated. 'pos' will point to the last byte of the new
57 string in 'buf', usually a '\0' */
59 /* THESE ROUTINES CAN NOT BE USED ON TMP BUFFERS. Only use them on
60 normally allocated memory, or on buffers created from
61 icalmemory_new_buffer, never with buffers created by
62 icalmemory_tmp_buffer. If icalmemory_append_string has to resize a
63 buffer on the ring, the ring will loose track of it an you will
64 have memory problems. */
66 void icalmemory_append_string(char** buf, char** pos, size_t* buf_size,
69 /* icalmemory_append_char is similar, but is appends a character instead of a string */
70 void icalmemory_append_char(char** buf, char** pos, size_t* buf_size,
73 /* A wrapper around strdup. Partly to trap calls to strdup, partly
74 because in -ansi, gcc on Red Hat claims that strudup is undeclared */
75 char* icalmemory_strdup(const char *s);
77 #endif /* !ICALMEMORY_H */