62 static ssize_t hmcdrv_cache_get(const struct hmcdrv_ftp_cmdspec *ftp)  in hmcdrv_cache_get()  argument
67 	if ((ftp->id != hmcdrv_cache_file.id) ||  in hmcdrv_cache_get()
68 	    strcmp(hmcdrv_cache_file.fname, ftp->fname))  in hmcdrv_cache_get()
71 	if (ftp->ofs >= hmcdrv_cache_file.fsize) /* EOF ? */  in hmcdrv_cache_get()
81 	len = hmcdrv_cache_file.fsize - ftp->ofs;  in hmcdrv_cache_get()
83 	if (len > ftp->len)  in hmcdrv_cache_get()
84 		len = ftp->len;  in hmcdrv_cache_get()
89 	pos = ftp->ofs - hmcdrv_cache_file.ofs;  in hmcdrv_cache_get()
94 		memcpy(ftp->buf,  in hmcdrv_cache_get()
114 static ssize_t hmcdrv_cache_do(const struct hmcdrv_ftp_cmdspec *ftp,  in hmcdrv_cache_do()  argument
124 	if ((ftp->len > 0) && (hmcdrv_cache_file.len >= ftp->len)) {  in hmcdrv_cache_do()
130 		struct hmcdrv_ftp_cmdspec cftp = *ftp; /* make a copy */  in hmcdrv_cache_do()
138 				 len, ftp->fname);  in hmcdrv_cache_do()
140 			if (len > ftp->len)  in hmcdrv_cache_do()
141 				len = ftp->len;  in hmcdrv_cache_do()
143 			hmcdrv_cache_file.ofs = ftp->ofs;  in hmcdrv_cache_do()
146 			memcpy(ftp->buf, hmcdrv_cache_file.content, len);  in hmcdrv_cache_do()
149 		len = func(ftp, &hmcdrv_cache_file.fsize);  in hmcdrv_cache_do()
157 		strscpy(hmcdrv_cache_file.fname, ftp->fname,  in hmcdrv_cache_do()
159 		hmcdrv_cache_file.id = ftp->id;  in hmcdrv_cache_do()
161 			 ftp->id, hmcdrv_cache_file.fsize, ftp->fname);  in hmcdrv_cache_do()
177 ssize_t hmcdrv_cache_cmd(const struct hmcdrv_ftp_cmdspec *ftp,  in hmcdrv_cache_cmd()  argument
182 	if ((ftp->id == HMCDRV_FTP_DIR) || /* read cache */  in hmcdrv_cache_cmd()
183 	    (ftp->id == HMCDRV_FTP_NLIST) ||  in hmcdrv_cache_cmd()
184 	    (ftp->id == HMCDRV_FTP_GET)) {  in hmcdrv_cache_cmd()
186 		len = hmcdrv_cache_get(ftp);  in hmcdrv_cache_cmd()
191 		len = hmcdrv_cache_do(ftp, func);  in hmcdrv_cache_cmd()
197 		len = func(ftp, NULL); /* simply do original command */  in hmcdrv_cache_cmd()