diff options
Diffstat (limited to 'libpwdgrp/pwd_grp_internal.c')
-rw-r--r-- | libpwdgrp/pwd_grp_internal.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libpwdgrp/pwd_grp_internal.c b/libpwdgrp/pwd_grp_internal.c new file mode 100644 index 000000000..866ed3699 --- /dev/null +++ b/libpwdgrp/pwd_grp_internal.c | |||
@@ -0,0 +1,62 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* Copyright (C) 2003 Manuel Novoa III | ||
3 | * | ||
4 | * Licensed under GPL v2, or later. See file LICENSE in this tarball. | ||
5 | */ | ||
6 | |||
7 | /* Nov 6, 2003 Initial version. | ||
8 | * | ||
9 | * NOTE: This implementation is quite strict about requiring all | ||
10 | * field seperators. It also does not allow leading whitespace | ||
11 | * except when processing the numeric fields. glibc is more | ||
12 | * lenient. See the various glibc difference comments below. | ||
13 | * | ||
14 | * TODO: | ||
15 | * Move to dynamic allocation of (currently statically allocated) | ||
16 | * buffers; especially for the group-related functions since | ||
17 | * large group member lists will cause error returns. | ||
18 | * | ||
19 | */ | ||
20 | |||
21 | #ifndef GETXXKEY_R_FUNC | ||
22 | #error GETXXKEY_R_FUNC is not defined! | ||
23 | #endif | ||
24 | |||
25 | int GETXXKEY_R_FUNC(DO_GETXXKEY_R_KEYTYPE key, | ||
26 | GETXXKEY_R_ENTTYPE *__restrict resultbuf, | ||
27 | char *__restrict buffer, size_t buflen, | ||
28 | GETXXKEY_R_ENTTYPE **__restrict result) | ||
29 | { | ||
30 | FILE *stream; | ||
31 | int rv; | ||
32 | |||
33 | *result = NULL; | ||
34 | |||
35 | stream = fopen(DO_GETXXKEY_R_PATHNAME, "r"); | ||
36 | if (!stream) | ||
37 | return errno; | ||
38 | while (1) { | ||
39 | rv = __pgsreader(GETXXKEY_R_PARSER, resultbuf, buffer, buflen, stream); | ||
40 | if (!rv) { | ||
41 | if (GETXXKEY_R_TEST(resultbuf)) { /* Found key? */ | ||
42 | *result = resultbuf; | ||
43 | break; | ||
44 | } | ||
45 | } else { | ||
46 | if (rv == ENOENT) { /* end-of-file encountered. */ | ||
47 | rv = 0; | ||
48 | } | ||
49 | break; | ||
50 | } | ||
51 | } | ||
52 | fclose(stream); | ||
53 | |||
54 | return rv; | ||
55 | } | ||
56 | |||
57 | #undef GETXXKEY_R_FUNC | ||
58 | #undef GETXXKEY_R_PARSER | ||
59 | #undef GETXXKEY_R_ENTTYPE | ||
60 | #undef GETXXKEY_R_TEST | ||
61 | #undef DO_GETXXKEY_R_KEYTYPE | ||
62 | #undef DO_GETXXKEY_R_PATHNAME | ||