Lines Matching defs:?r
5 * Redistribution and use in source and binary forms, with or without
13 * documentation and/or other materials provided with the distribution.
61 struct lafe_line_reader *lr;
63 lr = calloc(1, sizeof(*lr));
64 if (lr == NULL)
67 lr->nullSeparator = nullSeparator;
68 lr->pathname = strdup(pathname);
71 lr->f = stdin;
73 lr->f = fopen(pathname, "r");
74 if (lr->f == NULL)
76 lr->buff_length = 8192;
77 lr->buff = malloc(lr->buff_length);
78 if (lr->buff == NULL)
80 lr->line_start = lr->line_end = lr->buff_end = lr->buff;
82 return (lr);
86 lafe_line_reader_next(struct lafe_line_reader *lr)
93 while (lr->line_end < lr->buff_end) {
94 if (lr->nullSeparator) {
95 if (*lr->line_end == '\0') {
96 line_start = lr->line_start;
97 lr->line_start = lr->line_end + 1;
98 lr->line_end = lr->line_start;
101 } else if (*lr->line_end == '\x0a' || *lr->line_end == '\x0d') {
102 *lr->line_end = '\0';
103 line_start = lr->line_start;
104 lr->line_start = lr->line_end + 1;
105 lr->line_end = lr->line_start;
109 lr->line_end++;
113 if (lr->f == NULL) {
115 if (lr->line_end > lr->line_start) {
116 *lr->line_end = '\0';
117 line_start = lr->line_start;
118 lr->line_start = lr->line_end + 1;
119 lr->line_end = lr->line_start;
127 if (lr->line_start > lr->buff) {
129 memmove(lr->buff, lr->line_start,
130 lr->buff_end - lr->line_start);
131 lr->buff_end -= lr->line_start - lr->buff;
132 lr->line_end -= lr->line_start - lr->buff;
133 lr->line_start = lr->buff;
136 new_buff_size = lr->buff_length * 2;
137 if (new_buff_size <= lr->buff_length)
139 "Line too long in %s", lr->pathname);
140 lr->buff_length = new_buff_size;
141 p = realloc(lr->buff, new_buff_size);
144 "Line too long in %s", lr->pathname);
145 lr->buff_end = p + (lr->buff_end - lr->buff);
146 lr->line_end = p + (lr->line_end - lr->buff);
147 lr->line_start = lr->buff = p;
151 bytes_wanted = lr->buff + lr->buff_length - lr->buff_end;
152 bytes_read = fread(lr->buff_end, 1, bytes_wanted, lr->f);
153 lr->buff_end += bytes_read;
155 if (ferror(lr->f))
156 lafe_errc(1, errno, "Can't read %s", lr->pathname);
157 if (feof(lr->f)) {
158 if (lr->f != stdin)
159 fclose(lr->f);
160 lr->f = NULL;
166 lafe_line_reader_free(struct lafe_line_reader *lr)
168 free(lr->buff);
169 free(lr->pathname);
170 free(lr);