FreeCalypso > hg > freecalypso-tools
comparison rvinterf/etmsync/fdcmd.c @ 0:e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 11 Jun 2016 00:13:35 +0000 |
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-1:000000000000 | 0:e7502631a0f9 |
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1 /* | |
2 * File descriptor debug commands | |
3 */ | |
4 | |
5 #include <sys/types.h> | |
6 #include <stdio.h> | |
7 #include <stdlib.h> | |
8 #include <string.h> | |
9 #include <strings.h> | |
10 #include "etm.h" | |
11 #include "ffs.h" | |
12 #include "tmffs2.h" | |
13 #include "limits.h" | |
14 #include "localtypes.h" | |
15 #include "localstruct.h" | |
16 #include "cmdtab.h" | |
17 #include "exitcodes.h" | |
18 | |
19 cmd_fd_open(argc, argv) | |
20 char **argv; | |
21 { | |
22 int rc, fd; | |
23 | |
24 rc = fd_open(argv[1], strtoul(argv[2], 0, 16), &fd); | |
25 if (rc) | |
26 return(rc); | |
27 printf("%d\n", fd); | |
28 return(0); | |
29 } | |
30 | |
31 cmd_fd_read(argc, argv) | |
32 char **argv; | |
33 { | |
34 u_char databuf[MAX_READ_DATA]; | |
35 int rc, sz, off, l; | |
36 | |
37 rc = fd_read(strtoul(argv[1], 0, 0), databuf, strtoul(argv[2], 0, 0), | |
38 &sz); | |
39 if (rc) | |
40 return(rc); | |
41 printf("%d bytes read\n", sz); | |
42 for (off = 0; off < sz; off += 16) { | |
43 l = sz - off; | |
44 if (l > 16) | |
45 l = 16; | |
46 hexdump_line(off, databuf + off, l); | |
47 } | |
48 return(0); | |
49 } | |
50 | |
51 cmd_fd_close(argc, argv) | |
52 char **argv; | |
53 { | |
54 return fd_close(strtoul(argv[1], 0, 0)); | |
55 } | |
56 | |
57 struct cmdtab fd_cmds[] = { | |
58 {"close", 1, 1, cmd_fd_close}, | |
59 {"open", 2, 2, cmd_fd_open}, | |
60 {"read", 2, 2, cmd_fd_read}, | |
61 {0, 0, 0, 0} | |
62 }; | |
63 | |
64 cmd_fd(argc, argv) | |
65 char **argv; | |
66 { | |
67 struct cmdtab *tp; | |
68 int extargs; | |
69 | |
70 for (tp = fd_cmds; tp->cmd; tp++) | |
71 if (!strcmp(tp->cmd, argv[1])) | |
72 break; | |
73 if (!tp->func) { | |
74 fprintf(stderr, "error: no such fd command\n"); | |
75 return(ERROR_USAGE); | |
76 } | |
77 extargs = argc - 2; | |
78 if (extargs > tp->maxargs) { | |
79 fprintf(stderr, "error: too many arguments\n"); | |
80 return(ERROR_USAGE); | |
81 } | |
82 if (extargs < tp->minargs) { | |
83 fprintf(stderr, "error: too few arguments\n"); | |
84 return(ERROR_USAGE); | |
85 } | |
86 return tp->func(argc - 1, argv + 1); | |
87 } |