Lines Matching refs:b
40 buffer_init(struct buffer *b, int fd, const struct stat *st, const void *data, in buffer_init() argument
43 b->fd = fd; in buffer_init()
45 memcpy(&b->st, st, sizeof(b->st)); in buffer_init()
46 else if (b->fd == -1 || fstat(b->fd, &b->st) == -1) in buffer_init()
47 memset(&b->st, 0, sizeof(b->st)); in buffer_init()
48 b->fbuf = data; in buffer_init()
49 b->flen = len; in buffer_init()
50 b->eoff = 0; in buffer_init()
51 b->ebuf = NULL; in buffer_init()
52 b->elen = 0; in buffer_init()
56 buffer_fini(struct buffer *b) in buffer_fini() argument
58 free(b->ebuf); in buffer_fini()
59 b->ebuf = NULL; in buffer_fini()
60 b->elen = 0; in buffer_fini()
66 struct buffer *b = CCAST(struct buffer *, bb); in buffer_fill() local
68 if (b->elen != 0) in buffer_fill()
69 return b->elen == FILE_BADSIZE ? -1 : 0; in buffer_fill()
71 if (!S_ISREG(b->st.st_mode)) in buffer_fill()
74 b->elen = CAST(size_t, b->st.st_size) < b->flen ? in buffer_fill()
75 CAST(size_t, b->st.st_size) : b->flen; in buffer_fill()
76 if (b->elen == 0) { in buffer_fill()
77 free(b->ebuf); in buffer_fill()
78 b->ebuf = NULL; in buffer_fill()
81 if ((b->ebuf = malloc(b->elen)) == NULL) in buffer_fill()
84 b->eoff = b->st.st_size - b->elen; in buffer_fill()
85 if (pread(b->fd, b->ebuf, b->elen, b->eoff) == -1) { in buffer_fill()
86 free(b->ebuf); in buffer_fill()
87 b->ebuf = NULL; in buffer_fill()
93 b->elen = FILE_BADSIZE; in buffer_fill()