Details
enum xmlSecAllocMode
typedef enum {
    xmlSecAllocModeExact = 0,
    xmlSecAllocModeDouble
} xmlSecAllocMode;
The memory allocation mode (used by xmlSecBuffer and xmlSecList).
 
struct xmlSecBuffer
struct xmlSecBuffer {
    xmlSecByte*         data;
    xmlSecSize          size;
    xmlSecSize          maxSize;
    xmlSecAllocMode     allocMode;
};
Binary data buffer.
 
xmlSecBufferSetDefaultAllocMode ()
void                xmlSecBufferSetDefaultAllocMode     (xmlSecAllocMode defAllocMode,
                                                         xmlSecSize defInitialSize);
Sets new global default allocation mode and minimal intial size.
 
xmlSecBufferCreate ()
xmlSecBufferPtr     xmlSecBufferCreate                  (xmlSecSize size);
Allocates and initalizes new memory buffer with given size.
Caller is responsible for calling xmlSecBufferDestroy function
to free the buffer.
| size: |                the intial size. | 
| Returns : |  pointer to newly allocated buffer or NULL if an error occurs. | 
 
xmlSecBufferInitialize ()
int                 xmlSecBufferInitialize              (xmlSecBufferPtr buf,
                                                         xmlSecSize size);
Initializes buffer object buf. Caller is responsible for calling
xmlSecBufferFinalize function to free allocated resources.
| buf: |                 the pointer to buffer object. | 
| size: |                the initial buffer size. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferSetSize ()
int                 xmlSecBufferSetSize                 (xmlSecBufferPtr buf,
                                                         xmlSecSize size);
Sets new buffer data size. If necessary, buffer grows to
have at least size bytes.
| buf: |                 the pointer to buffer object. | 
| size: |                the new data size. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferGetMaxSize ()
xmlSecSize          xmlSecBufferGetMaxSize              (xmlSecBufferPtr buf);
Gets the maximum (allocated) buffer size.
| buf: |                 the pointer to buffer object. | 
| Returns : |  the maximum (allocated) buffer size. | 
 
xmlSecBufferSetMaxSize ()
int                 xmlSecBufferSetMaxSize              (xmlSecBufferPtr buf,
                                                         xmlSecSize size);
Sets new buffer maximum size. If necessary, buffer grows to
have at least size bytes.
| buf: |                 the pointer to buffer object. | 
| size: |                the new maximum size. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferEmpty ()
void                xmlSecBufferEmpty                   (xmlSecBufferPtr buf);
Empties the buffer.
| buf: |                 the pointer to buffer object. | 
 
xmlSecBufferAppend ()
int                 xmlSecBufferAppend                  (xmlSecBufferPtr buf,
                                                         const xmlSecByte *data,
                                                         xmlSecSize size);
Appends the data after the current data stored in the buffer.
| buf: |                 the pointer to buffer object. | 
| data: |                the data. | 
| size: |                the data size. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferPrepend ()
int                 xmlSecBufferPrepend                 (xmlSecBufferPtr buf,
                                                         const xmlSecByte *data,
                                                         xmlSecSize size);
Prepends the data before the current data stored in the buffer.
| buf: |                 the pointer to buffer object. | 
| data: |                the data. | 
| size: |                the data size. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferRemoveHead ()
int                 xmlSecBufferRemoveHead              (xmlSecBufferPtr buf,
                                                         xmlSecSize size);
Removes size bytes from the beginning of the current buffer.
| buf: |                 the pointer to buffer object. | 
| size: |                the number of bytes to be removed. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferRemoveTail ()
int                 xmlSecBufferRemoveTail              (xmlSecBufferPtr buf,
                                                         xmlSecSize size);
Removes size bytes from the end of current buffer.
| buf: |                 the pointer to buffer object. | 
| size: |                the number of bytes to be removed. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferReadFile ()
int                 xmlSecBufferReadFile                (xmlSecBufferPtr buf,
                                                         const char *filename);
Reads the content of the file filename in the buffer.
| buf: |                 the pointer to buffer object. | 
| filename: |            the filename. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferBase64NodeContentRead ()
int                 xmlSecBufferBase64NodeContentRead   (xmlSecBufferPtr buf,
                                                         xmlNodePtr node);
Reads the content of the node, base64 decodes it and stores the
result in the buffer.
| buf: |                 the pointer to buffer object. | 
| node: |                the pointer to node. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferBase64NodeContentWrite ()
int                 xmlSecBufferBase64NodeContentWrite  (xmlSecBufferPtr buf,
                                                         xmlNodePtr node,
                                                         int columns);
Sets the content of the node to the base64 encoded buffer data.
| buf: |                 the pointer to buffer object. | 
| node: |                the pointer to a node. | 
| columns: |             the max line size fro base64 encoded data. | 
| Returns : |  0 on success or a negative value if an error occurs. | 
 
xmlSecBufferCreateOutputBuffer ()
xmlOutputBufferPtr  xmlSecBufferCreateOutputBuffer      (xmlSecBufferPtr buf);
Creates new LibXML output buffer to store data in the buf. Caller is
responsible for destroying buf when processing is done.
| buf: |                 the pointer to buffer. | 
| Returns : |  pointer to newly allocated output buffer or NULL if an error
occurs. |