FreeCalypso > hg > freecalypso-sw

annotate rvinterf/etmsync/fsbasics.c @ 289:244f08f58e51

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fc-fsio: error decoding implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Fri, 28 Feb 2014 23:12:52 +0000
parents 517e8a428fde
children 3dd74b16df82
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1 /*
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2 * Basic FFS2 operations
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include "etm.h"
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11 #include "ffs.h"
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12 #include "tmffs2.h"
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13 #include "limits.h"
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14 #include "localtypes.h"
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15 #include "localstruct.h"
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16 #include "exitcodes.h"
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17
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18 extern u_char rvi_msg[];
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19 extern int rvi_msg_len;
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20
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21 cmd_ffs2ver()
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22 {
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23 u_char cmdpkt[4];
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24 int rc;
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25
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26 cmdpkt[1] = ETM_FFS2;
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27 cmdpkt[2] = TMFFS_VERSION;
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28 rc = etm_pkt_exch(cmdpkt, 2);
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29 if (rc)
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30 return(rc);
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31 if (rvi_msg[3]) {
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32 printf("FFS2 error %d\n", rvi_msg[3]);
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33 return(ERROR_TARGET);
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34 }
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35 if (rvi_msg_len != 7) {
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36 printf("error: FFS2 version response has wrong length\n");
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37 return(ERROR_TARGET);
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38 }
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39 printf("FFS2 version: %02X.%02X\n", rvi_msg[5], rvi_msg[4]);
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40 return(0);
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41 }
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42
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43 do_opendir(pathname, statertn, countrtn)
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44 char *pathname;
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45 u_char *statertn;
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46 int *countrtn;
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47 {
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48 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
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49 int rc, slen;
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50
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51 slen = strlen(pathname);
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52 if (slen >= TMFFS_STRING_SIZE) {
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53 printf("error: pathname arg exceeds string length limit\n");
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54 return(ERROR_USAGE);
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55 }
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56 dp = cmdpkt + 1;
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57 *dp++ = ETM_FFS2;
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58 *dp++ = TMFFS_OPENDIR;
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59 *dp++ = slen + 1;
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60 strcpy(dp, pathname);
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61 dp += slen + 1;
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62 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
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63 if (rc)
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64 return(rc);
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65 if (rvi_msg[3]) {
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66 report_ffs_err("opendir", rvi_msg[3]);
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67 return(ERROR_TARGET);
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68 }
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69 if (rvi_msg_len != 11 || rvi_msg[5] != 4) {
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70 printf("error: opendir response has wrong length\n");
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71 return(ERROR_TARGET);
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72 }
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73 *countrtn = rvi_msg[4];
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74 bcopy(rvi_msg + 6, statertn, 4);
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75 return(0);
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76 }
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77
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78 do_readdir(state, namebuf)
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79 u_char *state;
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80 char *namebuf;
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81 {
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82 u_char cmdpkt[10];
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83 int rc, slen;
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84
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85 cmdpkt[1] = ETM_FFS2;
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86 cmdpkt[2] = TMFFS_READDIR;
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87 cmdpkt[3] = 4;
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88 bcopy(state, cmdpkt+4, 4);
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89 cmdpkt[8] = TMFFS_STRING_SIZE;
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90 rc = etm_pkt_exch(cmdpkt, 8);
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91 if (rc)
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92 return(rc);
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93 if (rvi_msg[3]) {
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94 report_ffs_err("readdir", rvi_msg[3]);
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95 return(ERROR_TARGET);
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96 }
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97 if (rvi_msg_len < 14) {
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98 malformed: printf("error: readdir response is malformed\n");
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99 return(ERROR_TARGET);
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100 }
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101 if (rvi_msg[5] != 4)
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102 goto malformed;
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103 slen = rvi_msg[10];
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104 if (slen < 2 || slen > TMFFS_STRING_SIZE)
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105 goto malformed;
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106 if (rvi_msg[11 + slen - 1]) /* must be terminating NUL */
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107 goto malformed;
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108 bcopy(rvi_msg + 6, state, 4);
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109 strcpy(namebuf, rvi_msg + 11);
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110 return(0);
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111 }
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112
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113 cmd_ls(argc, argv)
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114 char **argv;
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115 {
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116 u_char state[4];
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117 char namebuf[TMFFS_STRING_SIZE];
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118 int nument, i, rc;
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119
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120 rc = do_opendir(argv[1], state, &nument);
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121 if (rc)
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122 return(rc);
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123 if (!nument) {
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124 printf("<empty dir>\n");
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125 return(0);
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126 }
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127 for (i = 0; i < nument; i++) {
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128 rc = do_readdir(state, namebuf);
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129 if (rc)
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130 return(rc);
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131 printf("%s\n", namebuf);
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132 }
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133 return(0);
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134 }
282
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135
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136 do_xlstat(pathname, result)
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137 char *pathname;
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138 struct stat_info *result;
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139 {
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parents: 279
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140 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
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141 int rc, slen;
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142
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143 slen = strlen(pathname);
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144 if (slen >= TMFFS_STRING_SIZE) {
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145 printf("error: pathname arg exceeds string length limit\n");
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146 return(ERROR_USAGE);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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147 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
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148 dp = cmdpkt + 1;
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149 *dp++ = ETM_FFS2;
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150 *dp++ = TMFFS_XLSTAT;
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151 *dp++ = slen + 1;
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152 strcpy(dp, pathname);
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153 dp += slen + 1;
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154 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
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parents: 279
diff changeset
155 if (rc)
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parents: 279
diff changeset
156 return(rc);
517e8a428fde fc-fsio: xlstat operation implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
157 if (rvi_msg[3]) {
289
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 282
diff changeset
158 report_ffs_err("xlstat", rvi_msg[3]);
282
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diff changeset
159 return(ERROR_TARGET);
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parents: 279
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160 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
161 if (rvi_msg_len != 30 || rvi_msg[4] != 24) {
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parents: 279
diff changeset
162 printf("error: xlstat response has wrong length\n");
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parents: 279
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163 return(ERROR_TARGET);
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parents: 279
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164 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
165 result->type = rvi_msg[5];
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
166 result->flags = rvi_msg[6];
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
167 result->inode = rvi_msg[7] | rvi_msg[8] << 8;
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parents: 279
diff changeset
168 result->size = rvi_msg[9] | rvi_msg[10] << 8 | rvi_msg[11] << 16 |
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parents: 279
diff changeset
169 rvi_msg[12] << 24;
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parents: 279
diff changeset
170 result->space = rvi_msg[13] | rvi_msg[14] << 8 | rvi_msg[15] << 16 |
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parents: 279
diff changeset
171 rvi_msg[16] << 24;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
172 result->location = rvi_msg[17] | rvi_msg[18] << 8 | rvi_msg[19] << 16 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
173 rvi_msg[20] << 24;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
174 result->block = rvi_msg[22];
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
175 result->sequence = rvi_msg[23] | rvi_msg[24] << 8;
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parents: 279
diff changeset
176 result->updates = rvi_msg[25] | rvi_msg[26] << 8;
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parents: 279
diff changeset
177 return(0);
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parents: 279
diff changeset
178 }
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parents: 279
diff changeset
179
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
180 cmd_stat(argc, argv)
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parents: 279
diff changeset
181 char **argv;
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parents: 279
diff changeset
182 {
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parents: 279
diff changeset
183 struct stat_info stat;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
184 int rc;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
185 char *type;
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parents: 279
diff changeset
186
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parents: 279
diff changeset
187 rc = do_xlstat(argv[1], &stat);
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parents: 279
diff changeset
188 if (rc)
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parents: 279
diff changeset
189 return(rc);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
190 switch (stat.type) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
191 case OT_FILE:
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
192 type = "file";
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
193 break;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
194 case OT_DIR:
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
195 type = "directory";
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
196 break;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
197 case OT_LINK:
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
198 type = "symlink";
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
199 break;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
200 default:
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
201 type = "???";
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
202 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
203 printf("Type: %s%s\n", type,
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
204 stat.flags & OF_READONLY ? ", read-only" : "");
517e8a428fde fc-fsio: xlstat operation implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
205 printf("inode %x\n", stat.inode);
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parents: 279
diff changeset
206 printf("size %u, space %u\n", stat.size, stat.space);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
207 printf("location=%x, block %d\n", stat.location, stat.block);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
208 return(0);
517e8a428fde fc-fsio: xlstat operation implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 279
diff changeset
209 }