#define _PARSER_H
#include <stdbool.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
#include "device-handler.h"
ICON_TYPE_UNKNOWN
};
+struct parser_found_file {
+ const char *filename;
+ unsigned ino;
+ struct list_item list;
+};
+
#define streq(a,b) (!strcasecmp((a),(b)))
void parser_init(void);
/* File IO functions for parsers; these should be the only interface that
* parsers use to access a device's filesystem.
*
- * These are intended for small amounts of data, typically text configuration
- * and state files.
+ * These are intended for small amounts of data, typically text
+ * configuration and state files. Note that parser_request_file,
+ * and parser_replace_file work only on non-directories.
*/
int parser_request_file(struct discover_context *ctx,
struct discover_device *dev, const char *filename,
char *buf, int len);
int parser_request_url(struct discover_context *ctx, struct pb_url *url,
char **buf, int *len);
+/* parser_stat_path returns 0 if path can be stated on dev by the
+ * running user. Note that this function follows symlinks, like the
+ * stat system call. When the function returns 0, also fills in
+ * statbuf for the path. Returns non-zero on error. This function
+ * does not have the limitations on file size that the functions above
+ * do. Unlike some of the functions above, this function also works
+ * on directories. */
+int parser_stat_path(struct discover_context *ctx,
+ struct discover_device *dev, const char *path,
+ struct stat *statbuf);
+/* Function used to list the files on a directory. The dirname should
+ * be relative to the discover context device mount path. It returns
+ * the number of files returned in files or a negative value on error.
+ */
+int parser_scandir(struct discover_context *ctx, const char *dirname,
+ struct dirent ***files, int (*filter)(const struct dirent *),
+ int (*comp)(const struct dirent **, const struct dirent **));
+
+/* parser_is_unique - Test a file against a list of known files.
+ * If the file @filename exists and the file is not in @found_list add the
+ * file to @found_list and return true. Use when searching case-insensitive
+ * filesystems.
+ */
+bool parser_is_unique(struct discover_context *ctx, struct discover_device *dev, const char *filename,
+ struct list *found_list);
#endif /* _PARSER_H */