FreeCalypso > hg > freecalypso-tools

annotate rvinterf/etmsync/symlink.c @ 995:74024eb17e04

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fc-loadtool help: improve language regarding 16 MiB flash chips In FC project history, 16 MiB flash originally meant Pirelli DP-L10. Then we got FCDEV3B with the same flash (our own design), but now we are discovering more Calypso devices that used such large flash, both late Calypso era (Sony Ericsson K2x0) as well as much earlier ones (FIC FLUID devices.txt file with 2004 dates, Leonardo+ rev 5). Hence we need to migrate to more generic or neutral language in associated documentation, without giving elevated status to specific examples that drove our early project history.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Dec 2023 21:11:12 +0000
parents e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * Commands for experimenting with FFS symlinks
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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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Mychaela Falconia <falcon@freecalypso.org>
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9 #include <strings.h>
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Mychaela Falconia <falcon@freecalypso.org>
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10 #include "etm.h"
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Mychaela Falconia <falcon@freecalypso.org>
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11 #include "ffs.h"
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Mychaela Falconia <falcon@freecalypso.org>
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12 #include "tmffs2.h"
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Mychaela Falconia <falcon@freecalypso.org>
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13 #include "limits.h"
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14 #include "ffslimits.h"
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15 #include "localtypes.h"
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Mychaela Falconia <falcon@freecalypso.org>
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16 #include "localstruct.h"
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Mychaela Falconia <falcon@freecalypso.org>
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17 #include "exitcodes.h"
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18
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19 extern u_char rvi_msg[];
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20 extern int rvi_msg_len;
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21
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22 do_symlink(target, realobj)
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Mychaela Falconia <falcon@freecalypso.org>
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23 char *target, *realobj;
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24 {
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25 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
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Mychaela Falconia <falcon@freecalypso.org>
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26 int rc, targlen, reallen;
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27
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28 reallen = strlen(realobj);
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29 if (reallen >= TMFFS_STRING_SIZE) {
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30 printf("error: pathname arg exceeds string length limit\n");
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31 return(ERROR_USAGE);
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32 }
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33 targlen = strlen(target);
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34 if (3 + (reallen+2) + (targlen+2) + 1 > MAX_PKT_TO_TARGET) {
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Mychaela Falconia <falcon@freecalypso.org>
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35 printf("error: symlink request fails to fit into packet\n");
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36 return(ERROR_USAGE);
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37 }
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Mychaela Falconia <falcon@freecalypso.org>
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38 dp = cmdpkt + 1;
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Mychaela Falconia <falcon@freecalypso.org>
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39 *dp++ = ETM_FFS2;
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Mychaela Falconia <falcon@freecalypso.org>
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40 *dp++ = TMFFS_SYMLINK;
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Mychaela Falconia <falcon@freecalypso.org>
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41 *dp++ = reallen + 1;
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parents:
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42 strcpy(dp, realobj);
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43 dp += reallen + 1;
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44 *dp++ = targlen + 1;
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parents:
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45 strcpy(dp, target);
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46 dp += targlen + 1;
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47 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
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48 if (rc)
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49 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
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50 if (rvi_msg_len != 5) {
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Mychaela Falconia <falcon@freecalypso.org>
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51 printf("error: TMFFS_SYMLINK response has wrong length\n");
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Mychaela Falconia <falcon@freecalypso.org>
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52 return(ERROR_TARGET);
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53 }
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54 if (rvi_msg[3]) {
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Mychaela Falconia <falcon@freecalypso.org>
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55 report_ffs_err("symlink", rvi_msg[3]);
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56 return(ERROR_TARGET);
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57 }
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58 return(0);
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59 }
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60
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61 cmd_symlink(argc, argv)
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62 char **argv;
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63 {
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64 return do_symlink(argv[1], argv[2]);
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65 }
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66
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Mychaela Falconia <falcon@freecalypso.org>
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67 do_readlink(pathname, databuf, rdret)
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68 char *pathname;
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69 u_char *databuf;
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70 int *rdret;
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71 {
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72 u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
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Mychaela Falconia <falcon@freecalypso.org>
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73 int rc, slen, sz;
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74
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75 slen = strlen(pathname);
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76 if (slen >= TMFFS_STRING_SIZE) {
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77 printf("error: pathname arg exceeds string length limit\n");
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78 return(ERROR_USAGE);
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79 }
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80 dp = cmdpkt + 1;
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81 *dp++ = ETM_FFS2;
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82 *dp++ = TMFFS_READLINK;
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Mychaela Falconia <falcon@freecalypso.org>
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83 *dp++ = slen + 1;
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84 strcpy(dp, pathname);
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85 dp += slen + 1;
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86 *dp++ = 0; /* dummy 2nd buffer */
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87 rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
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Mychaela Falconia <falcon@freecalypso.org>
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88 if (rc)
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89 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
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90 if (rvi_msg[3]) {
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Mychaela Falconia <falcon@freecalypso.org>
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91 report_ffs_err("readlink", rvi_msg[3]);
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92 return(ERROR_TARGET);
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93 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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94 if (rvi_msg_len < 6) {
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Mychaela Falconia <falcon@freecalypso.org>
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95 *rdret = 0;
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96 return(0);
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97 }
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Mychaela Falconia <falcon@freecalypso.org>
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98 sz = rvi_msg[4];
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Mychaela Falconia <falcon@freecalypso.org>
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99 if (rvi_msg_len != sz + 6) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 printf("error: readlink response has wrong length\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 return(ERROR_TARGET);
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Mychaela Falconia <falcon@freecalypso.org>
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102 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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103 bcopy(rvi_msg + 5, databuf, sz);
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Mychaela Falconia <falcon@freecalypso.org>
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104 *rdret = sz;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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105 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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106 }
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Mychaela Falconia <falcon@freecalypso.org>
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107
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Mychaela Falconia <falcon@freecalypso.org>
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108 cmd_readlink(argc, argv)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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109 char **argv;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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110 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 u_char databuf[256];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 int rc, sz, off, l;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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114 rc = do_readlink(argv[1], databuf, &sz);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 if (rc)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 return(rc);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 printf("%d bytes read\n", sz);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 for (off = 0; off < sz; off += 16) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 l = sz - off;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 if (l > 16)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 l = 16;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 hexdump_line(off, databuf + off, l);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 return(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 do_readlink_sancheck(pathname, databuf)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 char *pathname;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 u_char *databuf;
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 int rc, sz;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 rc = do_readlink(pathname, databuf, &sz);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 if (rc)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 return(rc);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 if (sz < 2 || databuf[sz-1]) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 printf("error: readlink on %s returned garbage\n", pathname);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 return(ERROR_TARGET);
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 return(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 }