1 /* 2 * libEtPan! -- a mail stuff library 3 * 4 * Copyright (C) 2001, 2002 - DINH Viet Hoa 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the libEtPan! project nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* 33 * $Id$ 34 */ 35 36 #ifndef __MMAP_STRING_H__ 37 38 #define __MMAP_STRING_H__ 39 40 #include <sys/types.h> 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /* 47 #define TMPDIR "/tmp" 48 */ 49 50 typedef struct _MMAPString MMAPString; 51 52 struct _MMAPString 53 { 54 char * str; 55 size_t len; 56 size_t allocated_len; 57 int fd; 58 size_t mmapped_size; 59 /* 60 char * old_non_mmapped_str; 61 */ 62 }; 63 64 /* configure location of mmaped files */ 65 66 void mmap_string_set_tmpdir(char * directory); 67 68 /* Strings 69 */ 70 71 MMAPString * mmap_string_new (const char * init); 72 73 MMAPString * mmap_string_new_len (const char * init, 74 size_t len); 75 76 MMAPString * mmap_string_sized_new (size_t dfl_size); 77 78 void mmap_string_free (MMAPString * string); 79 80 MMAPString * mmap_string_assign (MMAPString * string, 81 const char * rval); 82 83 MMAPString * mmap_string_truncate (MMAPString *string, 84 size_t len); 85 86 MMAPString * mmap_string_set_size (MMAPString * string, 87 size_t len); 88 89 MMAPString * mmap_string_insert_len (MMAPString * string, 90 size_t pos, 91 const char * val, 92 size_t len); 93 94 MMAPString * mmap_string_append (MMAPString * string, 95 const char * val); 96 97 MMAPString * mmap_string_append_len (MMAPString * string, 98 const char * val, 99 size_t len); 100 101 MMAPString * mmap_string_append_c (MMAPString * string, 102 char c); 103 104 MMAPString * mmap_string_prepend (MMAPString * string, 105 const char * val); 106 107 MMAPString * mmap_string_prepend_c (MMAPString * string, 108 char c); 109 110 MMAPString * mmap_string_prepend_len (MMAPString * string, 111 const char * val, 112 size_t len); 113 114 MMAPString * mmap_string_insert (MMAPString * string, 115 size_t pos, 116 const char * val); 117 118 MMAPString * mmap_string_insert_c (MMAPString *string, 119 size_t pos, 120 char c); 121 122 MMAPString * mmap_string_erase(MMAPString * string, 123 size_t pos, 124 size_t len); 125 126 void mmap_string_set_ceil(size_t ceil); 127 128 int mmap_string_ref(MMAPString * string); 129 int mmap_string_unref(char * str); 130 131 #ifdef __cplusplus 132 } 133 #endif 134 135 136 #endif /* __MMAP_STRING_H__ */ 137