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annotate rvinterf/etmsync/fswrite.c @ 959:21be17067eb2

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c139explore: dump command added
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 04 Nov 2015 20:54:23 +0000
parents d1333db6385f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 cmd_mkdir(argc, argv)
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24 char **argv;
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25 {
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26 return do_mkdir_existok(argv[1]);
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27 }
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28
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29 cmd_delete(argc, argv)
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30 char **argv;
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31 {
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32 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
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33 int rc, slen;
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34
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35 slen = strlen(argv[1]);
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36 if (slen >= TMFFS_STRING_SIZE) {
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37 printf("error: pathname arg exceeds string length limit\n");
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38 return(ERROR_USAGE);
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39 }
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40 dp = cmdpkt + 1;
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41 *dp++ = ETM_FFS2;
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42 *dp++ = TMFFS_REMOVE;
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43 *dp++ = slen + 1;
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44 strcpy(dp, argv[1]);
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45 dp += slen + 1;
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46 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
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47 if (rc)
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48 return(rc);
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49 if (rvi_msg_len != 5) {
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50 printf("error: TMFFS_REMOVE response has wrong length\n");
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51 return(ERROR_TARGET);
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52 }
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53 if (rvi_msg[3]) {
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54 report_ffs_err("ffs_remove", rvi_msg[3]);
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55 return(ERROR_TARGET);
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56 }
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57 return(0);
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58 }
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59
292
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60 hexdigit(c)
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61 {
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62 if (isdigit(c))
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63 return(c - '0');
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64 else if (isupper(c))
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65 return(c - 'A' + 10);
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66 else
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67 return(c - 'a' + 10);
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68 }
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69
291
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70 fwrite_hex_string(pathname, strarg)
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71 char *pathname, *strarg;
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72 {
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73 u_char buf[256];
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74 int maxlen, len;
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75 char *cp;
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76
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77 maxlen = max_short_file_write(pathname);
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78 for (cp = strarg, len = 0; ; cp += 2) {
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79 while (isspace(*cp))
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80 cp++;
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81 if (!*cp)
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82 break;
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83 if (!isxdigit(cp[0]) || !isxdigit(cp[1])) {
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84 fprintf(stderr, "error: invalid hex string argument\n");
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85 return(ERROR_USAGE);
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86 }
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87 if (len >= maxlen) {
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88 fprintf(stderr,
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89 "error: hex string exceeds write packet limit\n");
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90 return(ERROR_USAGE);
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91 }
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92 buf[len++] = hexdigit(cp[0]) << 4 | hexdigit(cp[1]);
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93 }
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94 return do_short_fwrite(pathname, buf, len);
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95 }
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96
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97 fwrite_from_file(pathname, srcfile)
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98 char *pathname, *srcfile;
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99 {
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100 u_char buf[240];
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101 FILE *srcf;
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102 int rc, cc, first, tfd;
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103
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104 srcf = fopen(srcfile, "r");
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105 if (!srcf) {
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106 perror(srcfile);
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107 return(ERROR_UNIX);
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108 }
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109 for (first = 1; cc = fread(buf, 1, sizeof buf, srcf); first = 0) {
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110 if (first) {
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111 if (cc < sizeof buf &&
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112 cc <= max_short_file_write(pathname)) {
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113 fclose(srcf);
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114 return do_short_fwrite(pathname, buf, cc);
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115 }
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116 rc = fd_open(pathname,
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117 FFS_O_WRONLY | FFS_O_CREATE | FFS_O_TRUNC,
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118 &tfd);
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119 if (rc) {
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120 fclose(srcf);
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121 return(rc);
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122 }
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123 }
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124 rc = fd_write(tfd, buf, cc);
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125 if (rc) {
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126 fclose(srcf);
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127 fd_close(tfd);
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128 return(rc);
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129 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 292
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130 }
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parents: 292
diff changeset
131 fclose(srcf);
294
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diff changeset
132 if (first) {
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133 /* 0 length file: do an open-for-write to create it */
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parents: 293
diff changeset
134 rc = fd_open(pathname,
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parents: 293
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135 FFS_O_WRONLY | FFS_O_CREATE | FFS_O_TRUNC,
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parents: 293
diff changeset
136 &tfd);
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parents: 293
diff changeset
137 if (rc)
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parents: 293
diff changeset
138 return(rc);
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parents: 293
diff changeset
139 }
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parents: 293
diff changeset
140 return fd_close(tfd);
291
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parents: 290
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141 }
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parents: 290
diff changeset
142
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parents: 290
diff changeset
143 cmd_fwrite(argc, argv)
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parents: 290
diff changeset
144 char **argv;
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diff changeset
145 {
295
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parents: 294
diff changeset
146 if (strlen(argv[1]) >= TMFFS_STRING_SIZE) {
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parents: 294
diff changeset
147 fprintf(stderr,
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parents: 294
diff changeset
148 "error: pathname arg exceeds string length limit\n");
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parents: 294
diff changeset
149 return(ERROR_USAGE);
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parents: 294
diff changeset
150 }
291
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parents: 290
diff changeset
151 if (!strcmp(argv[2], "ascii"))
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parents: 290
diff changeset
152 return do_short_fwrite(argv[1], argv[3], strlen(argv[3]));
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parents: 290
diff changeset
153 else if (!strcmp(argv[2], "hex"))
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parents: 290
diff changeset
154 return fwrite_hex_string(argv[1], argv[3]);
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parents: 290
diff changeset
155 else if (!strcmp(argv[2], "file"))
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parents: 290
diff changeset
156 return fwrite_from_file(argv[1], argv[3]);
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parents: 290
diff changeset
157 else {
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parents: 290
diff changeset
158 fprintf(stderr,
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parents: 290
diff changeset
159 "error: middle argument to fwrite cmd must be \"ascii\", \"hex\" or \"file\"\n"
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parents: 290
diff changeset
160 );
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parents: 290
diff changeset
161 return(ERROR_USAGE);
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parents: 290
diff changeset
162 }
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parents: 290
diff changeset
163 }