10 #include "regerror.ih"
14 = #define REG_NOMATCH 1
15 = #define REG_BADPAT 2
16 = #define REG_ECOLLATE 3
17 = #define REG_ECTYPE 4
18 = #define REG_EESCAPE 5
19 = #define REG_ESUBREG 6
20 = #define REG_EBRACK 7
21 = #define REG_EPAREN 8
22 = #define REG_EBRACE 9
23 = #define REG_BADBR 10
24 = #define REG_ERANGE 11
25 = #define REG_ESPACE 12
26 = #define REG_BADRPT 13
27 = #define REG_EMPTY 14
28 = #define REG_ASSERT 15
29 = #define REG_INVARG 16
30 = #define REG_ATOI 255 // convert name to number (!)
31 = #define REG_ITOA 0400 // convert number to name (!)
38 { REG_OKAY
, "REG_OKAY", "no errors detected" },
39 { REG_NOMATCH
, "REG_NOMATCH", "regexec() failed to match" },
40 { REG_BADPAT
, "REG_BADPAT", "invalid regular expression" },
41 { REG_ECOLLATE
, "REG_ECOLLATE", "invalid collating element" },
42 { REG_ECTYPE
, "REG_ECTYPE", "invalid character class" },
43 { REG_EESCAPE
, "REG_EESCAPE", "trailing backslash (\\)" },
44 { REG_ESUBREG
, "REG_ESUBREG", "invalid backreference number" },
45 { REG_EBRACK
, "REG_EBRACK", "brackets ([ ]) not balanced" },
46 { REG_EPAREN
, "REG_EPAREN", "parentheses not balanced" },
47 { REG_EBRACE
, "REG_EBRACE", "braces not balanced" },
48 { REG_BADBR
, "REG_BADBR", "invalid repetition count(s)" },
49 { REG_ERANGE
, "REG_ERANGE", "invalid character range" },
50 { REG_ESPACE
, "REG_ESPACE", "out of memory" },
51 { REG_BADRPT
, "REG_BADRPT", "repetition-operator operand invalid" },
52 { REG_EMPTY
, "REG_EMPTY", "empty (sub)expression" },
53 { REG_ASSERT
, "REG_ASSERT", "\"can't happen\" -- you found a bug" },
54 { REG_INVARG
, "REG_INVARG", "invalid argument to regex routine" },
55 { -1, "", "*** unknown regexp error code ***" },
59 - regerror - the interface to error numbers
60 = extern size_t regerror(int, const regex_t *, char *, size_t);
64 regerror(errcode
, preg
, errbuf
, errbuf_size
)
70 register struct rerr
*r
;
72 register int target
= errcode
&~ REG_ITOA
;
76 if (errcode
== REG_ATOI
)
77 s
= regatoi(preg
, convbuf
);
79 for (r
= rerrs
; r
->code
>= 0; r
++)
80 if (r
->code
== target
)
83 if (errcode
®_ITOA
) {
85 (void) strcpy(convbuf
, r
->name
);
87 sprintf(convbuf
, "REG_0x%x", target
);
88 assert(strlen(convbuf
) < sizeof(convbuf
));
95 if (errbuf_size
> 0) {
96 if (errbuf_size
> len
)
97 (void) strcpy(errbuf
, s
);
99 (void) strncpy(errbuf
, s
, errbuf_size
-1);
100 errbuf
[errbuf_size
-1] = '\0';
108 - regatoi - internal routine to implement REG_ATOI
109 == static char *regatoi(const regex_t *preg, char *localbuf);
112 regatoi(preg
, localbuf
)
116 register struct rerr
*r
;
118 for (r
= rerrs
; r
->code
>= 0; r
++)
119 if (strcmp(r
->name
, preg
->re_endp
) == 0)
124 sprintf(localbuf
, "%d", r
->code
);