atm/atmconfig/main.c

107 help_next_file(struct help_file *hp)
112 	if (hp->file_state == 3)
115 	if (hp->file_state == 0)
120 	if (hp->file_state == 0 || hp->file_state == 1) {
122 		hp->p_start = PATH_HELP;
123 		hp->file_state++;
127 	if (hp->dir != NULL) {
129 		while ((ent = readdir(hp->dir)) != NULL) {
132 			if (asprintf(&hp->fname, "%s/%s", hp->dirname,
135 			if ((hp->fp = fopen(hp->fname, "r")) != NULL) {
136 				hp->fcnt++;
139 			free(hp->fname);
142 		closedir(hp->dir);
143 		hp->dir = NULL;
144 		free(hp->dirname);
150 	for (hp->p_end = hp->p_start; *hp->p_end != '\0' &&
151 	    *hp->p_end != ':'; hp->p_end++)
154 	if (asprintf(&hp->dirname, "%.*s", (int)(hp->p_end - hp->p_start),
155 	    hp->p_start) == -1)
158 	if (hp->file_state == 1) {
160 		if (asprintf(&hp->fname, "%s/%s", hp->dirname, fpat) == -1)
162 		if ((hp->fp = fopen(hp->fname, "r")) != NULL) {
163 			hp->fcnt++;
166 		free(hp->fname);
172 	if ((hp->dir = opendir(hp->dirname)) != NULL)
175 	free(hp->dirname);
178 	hp->p_start = hp->p_end;
179 	if (*hp->p_start == '\0') {
181 		if (hp->file_state == 1)
185 	hp->p_start++;
194 help_file_tell(struct help_file *hp, struct help_pos *pos)
198 	if ((pos->fname = strdup(hp->fname)) == NULL)
200 	pos->fcnt = hp->fcnt;
201 	pos->p_start = hp->p_start;
202 	pos->p_end = hp->p_end;
203 	if ((pos->pos = ftello(hp->fp)) == -1)
213 help_file_seek(struct help_file *hp, struct help_pos *pos)
215 	hp->p_start = pos->p_start;
216 	hp->p_end = pos->p_end;
217 	hp->fcnt = pos->fcnt;
219 	if (hp->dir != NULL) {
220 		free(hp->dirname);
221 		closedir(hp->dir);
222 		hp->dir = NULL;
225 	if (hp->fp != NULL &&strcmp(hp->fname, pos->fname) != 0) {
226 		free(hp->fname);
227 		fclose(hp->fp);
228 		hp->fp = NULL;
230 	if (hp->fp == NULL) {
231 		if ((hp->fname = strdup(pos->fname)) == NULL)
233 		if ((hp->fp = fopen(hp->fname, "r")) == NULL)
234 			err(1, "reopen %s", hp->fname);
236 	if (fseeko(hp->fp, pos->pos, SEEK_SET) == -1)
237 		err(1, "seek %s", hp->fname);
241 		hp->file_state = 1;
244 		hp->file_state = 3;
251 help_file_rewind(struct help_file *hp)
254 	if (hp->file_state == 1) {
255 		if (fseeko(hp->fp, (off_t)0, SEEK_SET) == -1)
260 	if (hp->dir != NULL) {
261 		free(hp->dirname);
262 		closedir(hp->dir);
263 		hp->dir = NULL;
266 	if (hp->fp != NULL) {
267 		free(hp->fname);
268 		fclose(hp->fp);
269 		hp->fp = NULL;
271 	memset(hp, 0, sizeof(*hp));
278 help_next_line(struct help_file *hp)
281 		if (hp->fp != NULL) {
282 			if (fgets(hp->line, sizeof(hp->line), hp->fp) != NULL)
283 				return (hp->line);
284 			if (ferror(hp->fp))
285 				err(1, "%s", hp->fname);
286 			free(hp->fname);
288 			fclose(hp->fp);
289 			hp->fp = NULL;
291 		if (help_next_file(hp) == -1)
303 help_get_0topics(struct help_file *hp)
309 	help_file_tell(hp, &save);
311 	help_file_rewind(hp);
312 	while ((line = help_next_line(hp)) != NULL) {
316 	help_file_seek(hp, &save);