27  * This file is part of the lwIP TCP/IP stack.
49 int fs_open_custom(struct fs_file *file, const char *name);
50 void fs_close_custom(struct fs_file *file);
52 u8_t fs_canread_custom(struct fs_file *file);
53 u8_t fs_wait_read_custom(struct fs_file *file, fs_wait_cb callback_fn, void *callback_arg);
54 int fs_read_async_custom(struct fs_file *file, char *buffer, int count, fs_wait_cb callback_fn, voi…
56 int fs_read_custom(struct fs_file *file, char *buffer, int count);
62 fs_open(struct fs_file *file, const char *name)  in fs_open()  argument
66   if ((file == NULL) || (name == NULL)) {  in fs_open()
71   if (fs_open_custom(file, name)) {  in fs_open()
72     file->is_custom_file = 1;  in fs_open()
75   file->is_custom_file = 0;  in fs_open()
80       file->data = (const char *)f->data;  in fs_open()
81       file->len = f->len;  in fs_open()
82       file->index = f->len;  in fs_open()
83       file->pextension = NULL;  in fs_open()
84       file->flags = f->flags;  in fs_open()
86       file->chksum_count = f->chksum_count;  in fs_open()
87       file->chksum = f->chksum;  in fs_open()
90       file->state = fs_state_init(file, name);  in fs_open()
95   /* file not found */  in fs_open()
101 fs_close(struct fs_file *file)  in fs_close()  argument
104   if (file->is_custom_file) {  in fs_close()
105     fs_close_custom(file);  in fs_close()
109   fs_state_free(file, file->state);  in fs_close()
111   LWIP_UNUSED_ARG(file);  in fs_close()
117 fs_read_async(struct fs_file *file, char *buffer, int count, fs_wait_cb callback_fn, void *callback…  in fs_read_async()  argument
120 fs_read(struct fs_file *file, char *buffer, int count)  in fs_read_async()
124   if(file->index == file->len) {  in fs_read_async()
132   if (file->is_custom_file) {  in fs_read_async()
134     return fs_read_async_custom(file, buffer, count, callback_fn, callback_arg);  in fs_read_async()
136     return fs_read_custom(file, buffer, count);  in fs_read_async()
141   read = file->len - file->index;  in fs_read_async()
146   MEMCPY(buffer, (file->data + file->index), read);  in fs_read_async()
147   file->index += read;  in fs_read_async()
155 fs_is_file_ready(struct fs_file *file, fs_wait_cb callback_fn, void *callback_arg)  in fs_is_file_ready()  argument
157   if (file != NULL) {  in fs_is_file_ready()
160     if (!fs_canread_custom(file)) {  in fs_is_file_ready()
161       if (fs_wait_read_custom(file, callback_fn, callback_arg)) {  in fs_is_file_ready()
176 fs_bytes_left(struct fs_file *file)  in fs_bytes_left()  argument
178   return file->len - file->index;  in fs_bytes_left()