hush/libpwdgrp/pwd_grp_internal.c
Denis Vlasenko 5415c856ea libbb: [x]fopen_for_{read,write} introduced and used.
(by Valdimir)

function                                             old     new   delta
config_open2                                           -      41     +41
config_read                                          507     542     +35
find_pair                                            169     187     +18
fopen_for_write                                        -      14     +14
fopen_for_read                                         -      14     +14
find_main                                            406     418     +12
xfopen_for_write                                       -      10     +10
xfopen_for_read                                        -      10     +10
popstring                                            134     140      +6
parse_inittab                                        396     401      +5
next_token                                           923     928      +5
pack_gzip                                           1659    1661      +2
bb__parsespent                                       117     119      +2
fallbackSort                                        1719    1717      -2
evalvar                                             1376    1374      -2
qrealloc                                              36      33      -3
...
...
...
...
singlemount                                         4579    4569     -10
process_stdin                                        443     433     -10
patch_main                                          1111    1101     -10
ifupdown_main                                       2175    2165     -10
file_action_grep                                      90      80     -10
uuidcache_init                                       649     637     -12
hush_main                                            797     785     -12
read_config                                          230     217     -13
dpkg_main                                           3835    3820     -15
read_line_input                                     3134    3110     -24
sysctl_main                                          232     203     -29
config_open                                           40      10     -30
WARN_BAD_LINE                                         44       -     -44
login_main                                          1714    1575    -139
------------------------------------------------------------------------------
(add/remove: 5/1 grow/shrink: 8/74 up/down: 174/-737)        Total: -563 bytes
2008-07-21 23:05:26 +00:00

63 lines
1.5 KiB
C

/* vi: set sw=4 ts=4: */
/* Copyright (C) 2003 Manuel Novoa III
*
* Licensed under GPL v2, or later. See file LICENSE in this tarball.
*/
/* Nov 6, 2003 Initial version.
*
* NOTE: This implementation is quite strict about requiring all
* field seperators. It also does not allow leading whitespace
* except when processing the numeric fields. glibc is more
* lenient. See the various glibc difference comments below.
*
* TODO:
* Move to dynamic allocation of (currently statically allocated)
* buffers; especially for the group-related functions since
* large group member lists will cause error returns.
*
*/
#ifndef GETXXKEY_R_FUNC
#error GETXXKEY_R_FUNC is not defined!
#endif
int GETXXKEY_R_FUNC(GETXXKEY_R_KEYTYPE key,
GETXXKEY_R_ENTTYPE *__restrict resultbuf,
char *__restrict buffer, size_t buflen,
GETXXKEY_R_ENTTYPE **__restrict result)
{
FILE *stream;
int rv;
*result = NULL;
stream = fopen_for_read(GETXXKEY_R_PATHNAME);
if (!stream)
return errno;
while (1) {
rv = bb__pgsreader(GETXXKEY_R_PARSER, resultbuf, buffer, buflen, stream);
if (!rv) {
if (GETXXKEY_R_TEST(resultbuf)) { /* Found key? */
*result = resultbuf;
break;
}
} else {
if (rv == ENOENT) { /* end-of-file encountered. */
rv = 0;
}
break;
}
}
fclose(stream);
return rv;
}
#undef GETXXKEY_R_FUNC
#undef GETXXKEY_R_PARSER
#undef GETXXKEY_R_ENTTYPE
#undef GETXXKEY_R_TEST
#undef GETXXKEY_R_KEYTYPE
#undef GETXXKEY_R_PATHNAME