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 	{ "read-only", EROFS },
43 	{ "read only", EROFS },
44 #ifdef EPROTO
45 	{ "proto", EPROTO },
46 #else
47 	{ "proto", EINVAL },
48 #endif
49 	{ "entry", ENOENT },
50 };
51 
52 int
53 errstr2errno(void)
54 {
55 	char e[ERRMAX];
56 	int i, len;
57 	
58 	if(errno != EPLAN9)
59 		return errno;
60 
61 	if(errortab[0].len == 0)
62 		for(i=0; i<nelem(errortab); i++)
63 			errortab[i].len = strlen(errortab[i].text);
64 
65 	rerrstr(e, sizeof e);
66 	len = strlen(e);
67 	for(i=0; i<nelem(errortab); i++)
68 		if(errortab[i].len <= len && cistrstr(e, errortab[i].text))
69 			return errortab[i].err;
70 	return ERANGE;	/* who knows - be blatantly wrong */
71 }
72