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comparison circbuffer.h @ 1459:06d52bcb8094

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Pointer parameter could be declared as pointing to const
author Francois Perrad <francois.perrad@gadz.org>
date Sat, 19 Aug 2017 17:16:13 +0200
parents acf444bcb115
children
comparison
equal deleted inserted replaced
1458:bdd3802c8ac6 1459:06d52bcb8094
36 typedef struct circbuf circbuffer; 36 typedef struct circbuf circbuffer;
37 37
38 circbuffer * cbuf_new(unsigned int size); 38 circbuffer * cbuf_new(unsigned int size);
39 void cbuf_free(circbuffer * cbuf); 39 void cbuf_free(circbuffer * cbuf);
40 40
41 unsigned int cbuf_getused(circbuffer * cbuf); /* how much data stored */ 41 unsigned int cbuf_getused(const circbuffer * cbuf); /* how much data stored */
42 unsigned int cbuf_getavail(circbuffer * cbuf); /* how much we can write */ 42 unsigned int cbuf_getavail(const circbuffer * cbuf); /* how much we can write */
43 unsigned int cbuf_writelen(circbuffer *cbuf); /* max linear write len */ 43 unsigned int cbuf_writelen(const circbuffer *cbuf); /* max linear write len */
44 44
45 /* returns pointers to the two portions of the circular buffer that can be read */ 45 /* returns pointers to the two portions of the circular buffer that can be read */
46 void cbuf_readptrs(circbuffer *cbuf, 46 void cbuf_readptrs(const circbuffer *cbuf,
47 unsigned char **p1, unsigned int *len1, 47 unsigned char **p1, unsigned int *len1,
48 unsigned char **p2, unsigned int *len2); 48 unsigned char **p2, unsigned int *len2);
49 unsigned char* cbuf_writeptr(circbuffer *cbuf, unsigned int len); 49 unsigned char* cbuf_writeptr(circbuffer *cbuf, unsigned int len);
50 void cbuf_incrwrite(circbuffer *cbuf, unsigned int len); 50 void cbuf_incrwrite(circbuffer *cbuf, unsigned int len);
51 void cbuf_incrread(circbuffer *cbuf, unsigned int len); 51 void cbuf_incrread(circbuffer *cbuf, unsigned int len);