FreeCalypso > hg > freecalypso-sw
view rvinterf/etmsync/fsbasics.c @ 280:f304f9bcde3b
fc-fsio: single command invokation implemented
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 24 Feb 2014 07:42:40 +0000 |
parents | 36ad667341fc |
children | 517e8a428fde |
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/* * Basic FFS2 operations */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "etm.h" #include "ffs.h" #include "tmffs2.h" #include "limits.h" #include "exitcodes.h" extern u_char rvi_msg[]; extern int rvi_msg_len; cmd_ffs2ver() { u_char cmdpkt[4]; int rc; cmdpkt[1] = ETM_FFS2; cmdpkt[2] = TMFFS_VERSION; rc = etm_pkt_exch(cmdpkt, 2); if (rc) return(rc); if (rvi_msg[3]) { printf("FFS2 error %d\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != 7) { printf("error: FFS2 version response has wrong length\n"); return(ERROR_TARGET); } printf("FFS2 version: %02X.%02X\n", rvi_msg[5], rvi_msg[4]); return(0); } do_opendir(pathname, statertn, countrtn) char *pathname; u_char *statertn; int *countrtn; { u_char cmdpkt[MAX_PKT_TO_TARGET], *dp; int rc, slen; slen = strlen(pathname); if (slen >= TMFFS_STRING_SIZE) { printf("error: pathname arg exceeds string length limit\n"); return(ERROR_USAGE); } dp = cmdpkt + 1; *dp++ = ETM_FFS2; *dp++ = TMFFS_OPENDIR; *dp++ = slen + 1; strcpy(dp, pathname); dp += slen + 1; rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1); if (rc) return(rc); if (rvi_msg[3]) { printf("opendir: FFS error %d\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len != 11 || rvi_msg[5] != 4) { printf("error: opendir response has wrong length\n"); return(ERROR_TARGET); } *countrtn = rvi_msg[4]; bcopy(rvi_msg + 6, statertn, 4); return(0); } do_readdir(state, namebuf) u_char *state; char *namebuf; { u_char cmdpkt[10]; int rc, slen; cmdpkt[1] = ETM_FFS2; cmdpkt[2] = TMFFS_READDIR; cmdpkt[3] = 4; bcopy(state, cmdpkt+4, 4); cmdpkt[8] = TMFFS_STRING_SIZE; rc = etm_pkt_exch(cmdpkt, 8); if (rc) return(rc); if (rvi_msg[3]) { printf("readdir: FFS error %d\n", rvi_msg[3]); return(ERROR_TARGET); } if (rvi_msg_len < 14) { malformed: printf("error: readdir response is malformed\n"); return(ERROR_TARGET); } if (rvi_msg[5] != 4) goto malformed; slen = rvi_msg[10]; if (slen < 2 || slen > TMFFS_STRING_SIZE) goto malformed; if (rvi_msg[11 + slen - 1]) /* must be terminating NUL */ goto malformed; bcopy(rvi_msg + 6, state, 4); strcpy(namebuf, rvi_msg + 11); return(0); } cmd_ls(argc, argv) char **argv; { u_char state[4]; char namebuf[TMFFS_STRING_SIZE]; int nument, i, rc; rc = do_opendir(argv[1], state, &nument); if (rc) return(rc); if (!nument) { printf("<empty dir>\n"); return(0); } for (i = 0; i < nument; i++) { rc = do_readdir(state, namebuf); if (rc) return(rc); printf("%s\n", namebuf); } return(0); }