FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/fswrite.c @ 731:d89b72f2181b

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doc/TIFFS-IVA-usage: new decode facility documented
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 28 Aug 2020 05:56:13 +0000
parents a0754c98fc2b
children
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0
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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 {
592
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32 char *pathname;
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33 int minusf_mode;
0
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34
592
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35 if (argc == 2) {
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36 pathname = argv[1];
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37 minusf_mode = 0;
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38 } else {
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39 if (strcmp(argv[1], "-f")) {
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40 fprintf(stderr, "usage: rm [-f] ffs_pathname\n");
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41 return(ERROR_USAGE);
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42 }
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43 pathname = argv[2];
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44 minusf_mode = 1;
0
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45 }
592
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46 return do_ffs_remove(pathname, minusf_mode);
0
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47 }
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48
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49 hexdigit(c)
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50 {
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51 if (isdigit(c))
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52 return(c - '0');
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53 else if (isupper(c))
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54 return(c - 'A' + 10);
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55 else
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56 return(c - 'a' + 10);
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57 }
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58
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59 fwrite_hex_string(pathname, strarg)
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60 char *pathname, *strarg;
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61 {
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62 u_char buf[256];
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63 int maxlen, len;
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64 char *cp;
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65
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66 maxlen = max_short_file_write(pathname);
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67 for (cp = strarg, len = 0; ; cp += 2) {
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68 while (isspace(*cp))
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69 cp++;
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70 if (!*cp)
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71 break;
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72 if (!isxdigit(cp[0]) || !isxdigit(cp[1])) {
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73 fprintf(stderr, "error: invalid hex string argument\n");
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74 return(ERROR_USAGE);
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75 }
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76 if (len >= maxlen) {
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77 fprintf(stderr,
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78 "error: hex string exceeds write packet limit\n");
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79 return(ERROR_USAGE);
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80 }
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81 buf[len++] = hexdigit(cp[0]) << 4 | hexdigit(cp[1]);
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82 }
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83 return do_short_fwrite(pathname, buf, len);
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84 }
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85
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86 fwrite_from_file(pathname, srcfile)
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87 char *pathname, *srcfile;
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88 {
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89 u_char buf[240];
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90 FILE *srcf;
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91 int rc, cc, first, tfd;
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92
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93 srcf = fopen(srcfile, "r");
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94 if (!srcf) {
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95 perror(srcfile);
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96 return(ERROR_UNIX);
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97 }
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98 for (first = 1; cc = fread(buf, 1, sizeof buf, srcf); first = 0) {
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99 if (first) {
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100 if (cc < sizeof buf &&
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101 cc <= max_short_file_write(pathname)) {
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102 fclose(srcf);
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103 return do_short_fwrite(pathname, buf, cc);
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104 }
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105 rc = fd_open(pathname,
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106 FFS_O_WRONLY | FFS_O_CREATE | FFS_O_TRUNC,
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107 &tfd);
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108 if (rc) {
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109 fclose(srcf);
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110 return(rc);
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111 }
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112 }
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113 rc = fd_write(tfd, buf, cc);
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114 if (rc) {
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115 fclose(srcf);
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116 fd_close(tfd);
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117 return(rc);
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diff changeset
118 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 fclose(srcf);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 if (first) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 /* 0 length file: do an open-for-write to create it */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 rc = fd_open(pathname,
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 FFS_O_WRONLY | FFS_O_CREATE | FFS_O_TRUNC,
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 &tfd);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 if (rc)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 return(rc);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 return fd_close(tfd);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 cmd_fwrite(argc, argv)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 char **argv;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 if (strlen(argv[1]) >= TMFFS_STRING_SIZE) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 fprintf(stderr,
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 "error: pathname arg exceeds string length limit\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 return(ERROR_USAGE);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 if (!strcmp(argv[2], "ascii"))
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 return do_short_fwrite(argv[1], argv[3], strlen(argv[3]));
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 else if (!strcmp(argv[2], "hex"))
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 return fwrite_hex_string(argv[1], argv[3]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 else if (!strcmp(argv[2], "file"))
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 return fwrite_from_file(argv[1], argv[3]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 else {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 fprintf(stderr,
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 "error: middle argument to fwrite cmd must be \"ascii\", \"hex\" or \"file\"\n"
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 );
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 return(ERROR_USAGE);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 }
306
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
153
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
154 write_buf_to_file(pathname, data, datalen)
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
155 char *pathname;
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
156 u_char *data;
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
157 {
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
158 int tfd, rc, chunk, remain;
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
159
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
160 if (datalen <= max_short_file_write(pathname))
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
161 return do_short_fwrite(pathname, data, datalen);
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
162 /* do it the long way */
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
163 rc = fd_open(pathname, FFS_O_WRONLY | FFS_O_CREATE | FFS_O_TRUNC, &tfd);
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
164 if (rc)
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
165 return(rc);
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
166 for (remain = datalen; remain; remain -= chunk) {
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
167 chunk = remain;
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
168 if (chunk > 240)
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
169 chunk = 240;
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
170 rc = fd_write(tfd, data, chunk);
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
171 if (rc) {
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
172 fd_close(tfd);
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
173 return(rc);
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
174 }
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
175 data += chunk;
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
176 }
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
177 return fd_close(tfd);
8136fb5eb292 fc-fsio: write_buf_to_file() function made global in prep for upload-rf-table
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
178 }