/[public]/psiconv/trunk/lib/psiconv/buffer.h
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Diff of /psiconv/trunk/lib/psiconv/buffer.h

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Revision 157 Revision 158
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67 67
68/* Write a complete buffer to file. Returns 0 on success, and an 68/* Write a complete buffer to file. Returns 0 on success, and an
69 error code on failure. */ 69 error code on failure. */
70extern int psiconv_buffer_fwrite_all(const psiconv_buffer buf, FILE *f); 70extern int psiconv_buffer_fwrite_all(const psiconv_buffer buf, FILE *f);
71 71
72/* Concatenate two buffers. References are updated too. Buffer extra is 72/* Concatenate two buffers: the second buffer is appended to the first.
73 untouched after this and must still be freed if you want to get rid 73 References are updated too. Buffer extra is untouched after this and must
74 of it. */ 74 still be freed if you want to get rid of it. */
75extern int psiconv_buffer_concat(psiconv_buffer buf, 75extern int psiconv_buffer_concat(psiconv_buffer buf,
76 const psiconv_buffer extra); 76 const psiconv_buffer extra);
77 77
78/* Add a target to the reference list. This does not really change the 78/* Add a target to the reference list. This does not really change the
79 buffer data in any way. The id needs to be unique. The target is 79 buffer data in any way. The id needs to be unique. The target is
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81extern int psiconv_buffer_add_target(psiconv_buffer buf, int id); 81extern int psiconv_buffer_add_target(psiconv_buffer buf, int id);
82 82
83/* Add a reference to a target to the reference list. The id does not 83/* Add a reference to a target to the reference list. The id does not
84 need to be defined already, though it must be by the time you call 84 need to be defined already, though it must be by the time you call
85 psiconv_buffer_resolve. The reference is added to the current end 85 psiconv_buffer_resolve. The reference is added to the current end
86 of the buffer, and space is allocated for it. */ 86 of the buffer, and space is allocated for it. References are always
87 longs (psiconv_u32). */
87extern int psiconv_buffer_add_reference(psiconv_buffer buf,int id); 88extern int psiconv_buffer_add_reference(psiconv_buffer buf,int id);
88 89
89/* Resolve all references and empty the reference list. */ 90/* Resolve all references and empty the reference list. */
90extern int psiconv_buffer_resolve(psiconv_buffer buf); 91extern int psiconv_buffer_resolve(psiconv_buffer buf);
91 92
92/* Get a unique reference id */ 93/* Get a unique reference id */
93extern psiconv_u32 psiconv_buffer_unique_id(void); 94extern psiconv_u32 psiconv_buffer_unique_id(void);
94 95
96/* Extract part of a buffer and put it into a new buffer. Note that
97 references and targets are not copied; you will have to resolve them
98 beforehand (but as this function is meant for reading buffers, they
99 will usually not be used). */
100extern int psiconv_buffer_subbuffer(psiconv_buffer *buf,
101 const psiconv_buffer org,
102 psiconv_u32 offset, psiconv_u32 length);
103
104
105
95 106
96#ifdef __cplusplus 107#ifdef __cplusplus
97} 108}
98#endif /* __cplusplus */ 109#endif /* __cplusplus */
99 110
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