libmobi
C library for handling MOBI format ebook documents
buffer.h
Go to the documentation of this file.
1 
11 #ifndef libmobi_buffer_h
12 #define libmobi_buffer_h
13 
14 #include "config.h"
15 #include "mobi.h"
16 
20 typedef struct {
21  size_t offset;
22  size_t maxlen;
23  unsigned char *data;
24  MOBI_RET error;
25 } MOBIBuffer;
26 
27 MOBIBuffer * mobi_buffer_init(const size_t len);
28 MOBIBuffer * mobi_buffer_init_null(unsigned char *data, const size_t len);
29 void mobi_buffer_resize(MOBIBuffer *buf, const size_t newlen);
30 void mobi_buffer_add8(MOBIBuffer *buf, const uint8_t data);
31 void mobi_buffer_add16(MOBIBuffer *buf, const uint16_t data);
32 void mobi_buffer_add32(MOBIBuffer *buf, const uint32_t data);
33 void mobi_buffer_addraw(MOBIBuffer *buf, const unsigned char* data, const size_t len);
34 void mobi_buffer_addstring(MOBIBuffer *buf, const char *str);
35 void mobi_buffer_addzeros(MOBIBuffer *buf, const size_t count);
36 uint8_t mobi_buffer_get8(MOBIBuffer *buf);
37 uint16_t mobi_buffer_get16(MOBIBuffer *buf);
38 uint32_t mobi_buffer_get32(MOBIBuffer *buf);
39 uint32_t mobi_buffer_get_varlen(MOBIBuffer *buf, size_t *len);
40 uint32_t mobi_buffer_get_varlen_dec(MOBIBuffer *buf, size_t *len);
41 void mobi_buffer_dup8(uint8_t **val, MOBIBuffer *buf);
42 void mobi_buffer_dup16(uint16_t **val, MOBIBuffer *buf);
43 void mobi_buffer_dup32(uint32_t **val, MOBIBuffer *buf);
44 void mobi_buffer_getstring(char *str, MOBIBuffer *buf, const size_t len);
45 void mobi_buffer_appendstring(char *str, MOBIBuffer *buf, const size_t len);
46 void mobi_buffer_getraw(void *data, MOBIBuffer *buf, const size_t len);
47 unsigned char * mobi_buffer_getpointer(MOBIBuffer *buf, const size_t len);
48 void mobi_buffer_copy8(MOBIBuffer *dest, MOBIBuffer *source);
49 void mobi_buffer_move(MOBIBuffer *buf, const int offset, const size_t len);
50 void mobi_buffer_copy(MOBIBuffer *dest, MOBIBuffer *source, const size_t len);
51 bool mobi_buffer_match_magic(MOBIBuffer *buf, const char *magic);
52 bool mobi_buffer_match_magic_offset(MOBIBuffer *buf, const char *magic, const size_t offset);
53 void mobi_buffer_seek(MOBIBuffer *buf, const int diff);
54 void mobi_buffer_setpos(MOBIBuffer *buf, const size_t pos);
55 void mobi_buffer_free(MOBIBuffer *buf);
56 void mobi_buffer_free_null(MOBIBuffer *buf);
57 
58 #endif
mobi_buffer_match_magic
bool mobi_buffer_match_magic(MOBIBuffer *buf, const char *magic)
Check if buffer data header contains magic signature.
Definition: buffer.c:543
mobi_buffer_add32
void mobi_buffer_add32(MOBIBuffer *buf, const uint32_t data)
Adds 32-bit value to MOBIBuffer.
Definition: buffer.c:126
mobi_buffer_add8
void mobi_buffer_add8(MOBIBuffer *buf, const uint8_t data)
Adds 8-bit value to MOBIBuffer.
Definition: buffer.c:93
mobi_buffer_addraw
void mobi_buffer_addraw(MOBIBuffer *buf, const unsigned char *data, const size_t len)
Adds raw data to MOBIBuffer.
Definition: buffer.c:147
mobi_buffer_getstring
void mobi_buffer_getstring(char *str, MOBIBuffer *buf, const size_t len)
Reads raw data from MOBIBuffer and pads it with zero character.
Definition: buffer.c:327
mobi_buffer_copy8
void mobi_buffer_copy8(MOBIBuffer *dest, MOBIBuffer *source)
Copy 8-bit value from one MOBIBuffer into another.
Definition: buffer.c:476
mobi_buffer_addzeros
void mobi_buffer_addzeros(MOBIBuffer *buf, const size_t count)
Adds count of zeroes to MOBIBuffer.
Definition: buffer.c:174
mobi_buffer_get_varlen
uint32_t mobi_buffer_get_varlen(MOBIBuffer *buf, size_t *len)
Reads variable length value from MOBIBuffer.
Definition: buffer.c:299
mobi_buffer_move
void mobi_buffer_move(MOBIBuffer *buf, const int offset, const size_t len)
Copy raw value within one MOBIBuffer.
Definition: buffer.c:514
mobi_buffer_free
void mobi_buffer_free(MOBIBuffer *buf)
Free pointer to MOBIBuffer structure and pointer to data.
Definition: buffer.c:618
mobi_buffer_getpointer
unsigned char * mobi_buffer_getpointer(MOBIBuffer *buf, const size_t len)
Get pointer to MOBIBuffer data at offset.
Definition: buffer.c:394
mobi_buffer_setpos
void mobi_buffer_setpos(MOBIBuffer *buf, const size_t pos)
Set buffer offset to pos position.
Definition: buffer.c:602
mobi_buffer_get_varlen_dec
uint32_t mobi_buffer_get_varlen_dec(MOBIBuffer *buf, size_t *len)
Reads variable length value from MOBIBuffer going backwards.
Definition: buffer.c:316
mobi_buffer_dup8
void mobi_buffer_dup8(uint8_t **val, MOBIBuffer *buf)
Read 8-bit value from MOBIBuffer into allocated memory.
Definition: buffer.c:414
mobi_buffer_appendstring
void mobi_buffer_appendstring(char *str, MOBIBuffer *buf, const size_t len)
Reads raw data from MOBIBuffer, appends it to a string and pads it with zero character.
Definition: buffer.c:350
mobi_buffer_get16
uint16_t mobi_buffer_get16(MOBIBuffer *buf)
Reads 16-bit value from MOBIBuffer.
Definition: buffer.c:205
mobi_buffer_free_null
void mobi_buffer_free_null(MOBIBuffer *buf)
Free pointer to MOBIBuffer structure.
Definition: buffer.c:634
mobi_buffer_seek
void mobi_buffer_seek(MOBIBuffer *buf, const int diff)
Move current buffer offset by diff bytes.
Definition: buffer.c:579
mobi_buffer_copy
void mobi_buffer_copy(MOBIBuffer *dest, MOBIBuffer *source, const size_t len)
Copy raw value from one MOBIBuffer into another.
Definition: buffer.c:487
mobi_buffer_add16
void mobi_buffer_add16(MOBIBuffer *buf, const uint16_t data)
Adds 16-bit value to MOBIBuffer.
Definition: buffer.c:108
mobi_buffer_init
MOBIBuffer * mobi_buffer_init(const size_t len)
Initializer for MOBIBuffer structure.
Definition: buffer.c:26
mobi_buffer_get32
uint32_t mobi_buffer_get32(MOBIBuffer *buf)
Reads 32-bit value from MOBIBuffer.
Definition: buffer.c:223
mobi_buffer_get8
uint8_t mobi_buffer_get8(MOBIBuffer *buf)
Reads 8-bit value from MOBIBuffer.
Definition: buffer.c:190
mobi_buffer_resize
void mobi_buffer_resize(MOBIBuffer *buf, const size_t newlen)
Resize buffer.
Definition: buffer.c:71
mobi_buffer_init_null
MOBIBuffer * mobi_buffer_init_null(unsigned char *data, const size_t len)
Initializer for MOBIBuffer structure.
Definition: buffer.c:50
mobi_buffer_match_magic_offset
bool mobi_buffer_match_magic_offset(MOBIBuffer *buf, const char *magic, const size_t offset)
Check if buffer contains magic signature at given offset.
Definition: buffer.c:562
mobi_buffer_dup32
void mobi_buffer_dup32(uint32_t **val, MOBIBuffer *buf)
Read 32-bit value from MOBIBuffer into allocated memory.
Definition: buffer.c:458
mobi_buffer_getraw
void mobi_buffer_getraw(void *data, MOBIBuffer *buf, const size_t len)
Reads raw data from MOBIBuffer.
Definition: buffer.c:373
mobi_buffer_dup16
void mobi_buffer_dup16(uint16_t **val, MOBIBuffer *buf)
Read 16-bit value from MOBIBuffer into allocated memory.
Definition: buffer.c:436
mobi_buffer_addstring
void mobi_buffer_addstring(MOBIBuffer *buf, const char *str)
Adds string to MOBIBuffer without null terminator.
Definition: buffer.c:163
MOBI_RET
MOBI_RET
Error codes returned by functions.
Definition: mobi.h:59
mobi.h
Libmobi main header file.
MOBIBuffer
Buffer to read to/write from.
Definition: buffer.h:20
MOBIBuffer::maxlen
size_t maxlen
Definition: buffer.h:22
MOBIBuffer::offset
size_t offset
Definition: buffer.h:21
MOBIBuffer::data
unsigned char * data
Definition: buffer.h:23
MOBIBuffer::error
MOBI_RET error
Definition: buffer.h:24
Generated on Thu Feb 23 2023 09:43:46 for libmobi by doxygen 1.9.1