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annotate rvinterf/etmsync/fswrite.c @ 293:ffeea2f9d149

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fc-fsio: fwrite from file implemented, but no 0 length file handling yet
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 01 Mar 2014 03:53:49 +0000
parents 3aa03b9519c0
children 797468042b32
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1 /*
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2 * FFS write operation commands
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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 <ctype.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include "etm.h"
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12 #include "ffs.h"
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13 #include "ffserr.h"
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14 #include "tmffs2.h"
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15 #include "limits.h"
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16 #include "localtypes.h"
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17 #include "localstruct.h"
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18 #include "exitcodes.h"
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19
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20 extern u_char rvi_msg[];
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21 extern int rvi_msg_len;
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22
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23 do_mkdir_existok(pathname)
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24 char *pathname;
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25 {
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26 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
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27 int rc, slen;
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28 struct stat_info stat;
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29
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30 slen = strlen(pathname);
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31 if (slen >= TMFFS_STRING_SIZE) {
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32 printf("error: pathname arg exceeds string length limit\n");
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33 return(ERROR_USAGE);
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34 }
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35 dp = cmdpkt + 1;
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36 *dp++ = ETM_FFS2;
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37 *dp++ = TMFFS_MKDIR;
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38 *dp++ = slen + 1;
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39 strcpy(dp, pathname);
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40 dp += slen + 1;
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41 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
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42 if (rc)
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43 return(rc);
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44 if (rvi_msg_len != 5) {
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45 printf("error: mkdir response has wrong length\n");
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46 return(ERROR_TARGET);
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47 }
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48 if (!rvi_msg[3]) /* success */
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49 return(0);
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50 if (rvi_msg[3] != TMFFS_ERR_EXISTS) {
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51 report_ffs_err("mkdir", rvi_msg[3]);
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52 return(ERROR_TARGET);
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53 }
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54 /* object already exists: OK if it's a directory, error otherwise */
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55 rc = do_xlstat(pathname, &stat);
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56 if (rc)
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57 return(rc);
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58 if (stat.type == OT_DIR)
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59 return(0);
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60 else {
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61 printf("error: %s exists and is not a directory\n", pathname);
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62 return(ERROR_TARGET);
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63 }
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64 }
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65
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66 cmd_mkdir(argc, argv)
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67 char **argv;
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68 {
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69 return do_mkdir_existok(argv[1]);
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70 }
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71
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72 cmd_delete(argc, argv)
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73 char **argv;
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74 {
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75 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
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76 int rc, slen;
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77
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78 slen = strlen(argv[1]);
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79 if (slen >= TMFFS_STRING_SIZE) {
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80 printf("error: pathname arg exceeds string length limit\n");
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81 return(ERROR_USAGE);
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82 }
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83 dp = cmdpkt + 1;
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84 *dp++ = ETM_FFS2;
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85 *dp++ = TMFFS_REMOVE;
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86 *dp++ = slen + 1;
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87 strcpy(dp, argv[1]);
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88 dp += slen + 1;
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89 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
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90 if (rc)
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91 return(rc);
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92 if (rvi_msg_len != 5) {
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93 printf("error: TMFFS_REMOVE response has wrong length\n");
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94 return(ERROR_TARGET);
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95 }
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96 if (rvi_msg[3]) {
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97 report_ffs_err("ffs_remove", rvi_msg[3]);
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98 return(ERROR_TARGET);
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99 }
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100 return(0);
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101 }
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102
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103 hexdigit(c)
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104 {
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105 if (isdigit(c))
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106 return(c - '0');
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107 else if (isupper(c))
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108 return(c - 'A' + 10);
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109 else
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110 return(c - 'a' + 10);
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111 }
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112
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113 fwrite_hex_string(pathname, strarg)
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114 char *pathname, *strarg;
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115 {
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116 u_char buf[256];
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117 int maxlen, len;
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118 char *cp;
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119
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120 maxlen = max_short_file_write(pathname);
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121 for (cp = strarg, len = 0; ; cp += 2) {
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122 while (isspace(*cp))
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123 cp++;
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124 if (!*cp)
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125 break;
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126 if (!isxdigit(cp[0]) || !isxdigit(cp[1])) {
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127 fprintf(stderr, "error: invalid hex string argument\n");
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128 return(ERROR_USAGE);
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129 }
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130 if (len >= maxlen) {
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131 fprintf(stderr,
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132 "error: hex string exceeds write packet limit\n");
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diff changeset
133 return(ERROR_USAGE);
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134 }
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parents: 291
diff changeset
135 buf[len++] = hexdigit(cp[0]) << 4 | hexdigit(cp[1]);
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diff changeset
136 }
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parents: 291
diff changeset
137 return do_short_fwrite(pathname, buf, len);
291
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parents: 290
diff changeset
138 }
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parents: 290
diff changeset
139
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parents: 290
diff changeset
140 fwrite_from_file(pathname, srcfile)
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parents: 290
diff changeset
141 char *pathname, *srcfile;
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parents: 290
diff changeset
142 {
293
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parents: 292
diff changeset
143 u_char buf[240];
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parents: 292
diff changeset
144 FILE *srcf;
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parents: 292
diff changeset
145 int rc, cc, first, tfd;
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parents: 292
diff changeset
146
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parents: 292
diff changeset
147 srcf = fopen(srcfile, "r");
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parents: 292
diff changeset
148 if (!srcf) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
149 perror(srcfile);
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parents: 292
diff changeset
150 return(ERROR_UNIX);
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parents: 292
diff changeset
151 }
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parents: 292
diff changeset
152 for (first = 1; cc = fread(buf, 1, sizeof buf, srcf); first = 0) {
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parents: 292
diff changeset
153 if (first) {
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parents: 292
diff changeset
154 if (cc < sizeof buf &&
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
155 cc <= max_short_file_write(pathname)) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
156 fclose(srcf);
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parents: 292
diff changeset
157 return do_short_fwrite(pathname, buf, cc);
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parents: 292
diff changeset
158 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
159 rc = fd_open(pathname,
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parents: 292
diff changeset
160 FFS_O_WRONLY | FFS_O_CREATE | FFS_O_TRUNC,
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parents: 292
diff changeset
161 &tfd);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
162 if (rc) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
163 fclose(srcf);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
164 return(rc);
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parents: 292
diff changeset
165 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
166 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
167 rc = fd_write(tfd, buf, cc);
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parents: 292
diff changeset
168 if (rc) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
169 fclose(srcf);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
170 fd_close(tfd);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
171 return(rc);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
172 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
173 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
174 fclose(srcf);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
175 if (first)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
176 return(0);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
177 else
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
diff changeset
178 return fd_close(tfd);
291
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
179 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
180
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
181 cmd_fwrite(argc, argv)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
182 char **argv;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
183 {
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
184 if (!strcmp(argv[2], "ascii"))
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
185 return do_short_fwrite(argv[1], argv[3], strlen(argv[3]));
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
186 else if (!strcmp(argv[2], "hex"))
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
187 return fwrite_hex_string(argv[1], argv[3]);
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
188 else if (!strcmp(argv[2], "file"))
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
189 return fwrite_from_file(argv[1], argv[3]);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
190 else {
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
191 fprintf(stderr,
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
192 "error: middle argument to fwrite cmd must be \"ascii\", \"hex\" or \"file\"\n"
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
193 );
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
194 return(ERROR_USAGE);
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
195 }
69e8ae2b5ba2 fc-fsio: fwrite implementation started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 290
diff changeset
196 }