1 #include "a.h"
2 
3 enum
4 {
5 	EPLAN9 = 0x19283745	/* see /usr/local/plan9/src/lib9/errstr.c */
6 };
7 
8 typedef struct Error Error;
9 struct Error
10 {
11 	char *text;
12 	int err;
13 	int len;
14 };
15 
16 static Error errortab[] = {
17 	{ "permitted", EPERM },
18 	{ "permission", EACCES },
19 	{ "access", EACCES },
20 	{ "exists", EEXIST },
21 	{ "exist", ENOENT },
22 	{ "no such", ENOENT },
23 	{ "not found", ENOENT },
24 	{ "input/output", EIO },
25 	{ "timeout", ETIMEDOUT },
26 	{ "timed out", ETIMEDOUT },
27 	{ "i/o", EIO },
28 	{ "too long", E2BIG },
29 	{ "interrupt", EINTR },
30 	{ "no such", ENODEV },
31 	{ "bad file", EBADF },
32 	{ " fid ", EBADF },
33 	{ "temporar", EAGAIN },
34 	{ "memory", ENOMEM },
35 	{ "is a directory", EISDIR },
36 	{ "directory", ENOTDIR },
37 	{ "argument", EINVAL },
38 	{ "pipe", EPIPE },
39 	{ "in use", EBUSY },
40 	{ "busy", EBUSY },
41 	{ "illegal", EINVAL },
42 	{ "invalid", EINVAL },
43 	{ "read-only", EROFS },
44 	{ "read only", EROFS },
45 #ifdef EPROTO
46 	{ "proto", EPROTO },
47 #else
48 	{ "proto", EINVAL },
49 #endif
50 	{ "entry", ENOENT },
51 };
52 
53 int
54 errstr2errno(void)
55 {
56 	char e[ERRMAX];
57 	int i, len;
58 	
59 	if(errno != EPLAN9)
60 		return errno;
61 
62 	if(errortab[0].len == 0)
63 		for(i=0; i<nelem(errortab); i++)
64 			errortab[i].len = strlen(errortab[i].text);
65 
66 	rerrstr(e, sizeof e);
67 	len = strlen(e);
68 	for(i=0; i<nelem(errortab); i++)
69 		if(errortab[i].len <= len && cistrstr(e, errortab[i].text))
70 			return errortab[i].err;
71 	return ERANGE;	/* who knows - be blatantly wrong */
72 }
73