ucx/utils.h

changeset 222
e0f850709a5c
parent 218
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child 223
e18884bbad48
equal deleted inserted replaced
221:ebfc6a2902f7 222:e0f850709a5c
46 #include "string.h" 46 #include "string.h"
47 #include "allocator.h" 47 #include "allocator.h"
48 #include <inttypes.h> 48 #include <inttypes.h>
49 #include <string.h> 49 #include <string.h>
50 #include <stdarg.h> 50 #include <stdarg.h>
51
52 #define UCX_STREAM_COPY_BUFSIZE 4096
51 53
52 /** 54 /**
53 * Copies a string. 55 * Copies a string.
54 * @param s the string to copy 56 * @param s the string to copy
55 * @param data omitted 57 * @param data omitted
80 * provided for <code>buf</code>, this is the size of the buffer that shall be 82 * provided for <code>buf</code>, this is the size of the buffer that shall be
81 * implicitly created 83 * implicitly created
82 * @param n the maximum number of bytes that shall be copied 84 * @param n the maximum number of bytes that shall be copied
83 * @return the total number of bytes copied 85 * @return the total number of bytes copied
84 */ 86 */
85 size_t ucx_stream_copy(void *src, void *dest, read_func rfnc, write_func wfnc, 87 size_t ucx_stream_bncopy(void *src, void *dest, read_func rfnc, write_func wfnc,
86 char* buf, size_t bufsize, size_t n); 88 char* buf, size_t bufsize, size_t n);
87 89
88 /** 90 /**
89 * Shorthand for ucx_stream_copy using the default copy buffer. 91 * Shorthand for an unbounded ucx_stream_bncopy call using a default buffer.
90 * 92 *
91 * @param src the source stream 93 * @param src the source stream
92 * @param dest the destination stream 94 * @param dest the destination stream
93 * @param rfnc the read function 95 * @param rfnc the read function
94 * @param wfnc the write function 96 * @param wfnc the write function
95 * @return total number of bytes copied 97 * @return total number of bytes copied
96 */ 98 *
97 #define ucx_stream_hcopy(src,dest,rfnc,wfnc) ucx_stream_copy(\ 99 * @see #UCX_STREAM_COPY_BUFSIZE
98 src, dest, (read_func)rfnc, (write_func)wfnc, NULL, 0x100, (size_t)-1) 100 */
99 101 #define ucx_stream_copy(src,dest,rfnc,wfnc) ucx_stream_bncopy(\
100 /** 102 src, dest, (read_func)rfnc, (write_func)wfnc, \
101 * Shorthand for ucx_stream_copy using the default copy buffer and a copy limit. 103 NULL, UCX_STREAM_COPY_BUFSIZE, (size_t)-1)
104
105 /**
106 * Shorthand for ucx_stream_bncopy using a default copy buffer.
102 * 107 *
103 * @param src the source stream 108 * @param src the source stream
104 * @param dest the destination stream 109 * @param dest the destination stream
105 * @param rfnc the read function 110 * @param rfnc the read function
106 * @param wfnc the write function 111 * @param wfnc the write function
107 * @param n maximum number of bytes that shall be copied 112 * @param n maximum number of bytes that shall be copied
108 * @return total number of bytes copied 113 * @return total number of bytes copied
109 */ 114 */
110 #define ucx_stream_ncopy(src,dest,rfnc,wfnc, n) ucx_stream_copy(\ 115 #define ucx_stream_ncopy(src,dest,rfnc,wfnc, n) ucx_stream_bncopy(\
111 src, dest, (read_func)rfnc, (write_func)wfnc, NULL, 0x100, n) 116 src, dest, (read_func)rfnc, (write_func)wfnc, \
117 NULL, UCX_STREAM_COPY_BUFSIZE, n)
118
119 /**
120 * Shorthand for an unbounded ucx_stream_bncopy call using the specified buffer.
121 *
122 * @param src the source stream
123 * @param dest the destination stream
124 * @param rfnc the read function
125 * @param wfnc the write function
126 * @param buf a pointer to the copy buffer or <code>NULL</code> if a buffer
127 * shall be implicitly created on the heap
128 * @param bufsize the size of the copy buffer - if <code>NULL</code> was
129 * provided for <code>buf</code>, this is the size of the buffer that shall be
130 * implicitly created
131 * @return total number of bytes copied
132 */
133 #define ucx_stream_bcopy(src,dest,rfnc,wfnc, buf, bufsize) ucx_stream_bncopy(\
134 src, dest, (read_func)rfnc, (write_func)wfnc, \
135 buf, bufsize, (size_t)-1)
112 136
113 /** 137 /**
114 * Wraps the strcmp function. 138 * Wraps the strcmp function.
115 * @param s1 string one 139 * @param s1 string one
116 * @param s2 string two 140 * @param s2 string two

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