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author | Jeremy Allison <jra@samba.org> | 2008-12-18 15:40:05 -0800 |
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committer | Jeremy Allison <jra@samba.org> | 2008-12-18 15:40:05 -0800 |
commit | 4283ae489b6e227beba196e8a315a9727f03cc07 (patch) | |
tree | 7308561653b9e52eab8fc13181c0ad41ae2da208 /lib/tevent/tevent_util.c | |
parent | f9bb8fbe832409893b17f2113d7b35b9ffe91540 (diff) | |
parent | d031472227b44d040698e6dff52dc79028fde854 (diff) | |
download | samba-4283ae489b6e227beba196e8a315a9727f03cc07.tar.gz samba-4283ae489b6e227beba196e8a315a9727f03cc07.tar.bz2 samba-4283ae489b6e227beba196e8a315a9727f03cc07.zip |
Merge branch 'master' of ssh://jra@git.samba.org/data/git/samba
Diffstat (limited to 'lib/tevent/tevent_util.c')
-rw-r--r-- | lib/tevent/tevent_util.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/lib/tevent/tevent_util.c b/lib/tevent/tevent_util.c new file mode 100644 index 0000000000..cfcca9185d --- /dev/null +++ b/lib/tevent/tevent_util.c @@ -0,0 +1,86 @@ +/* + Unix SMB/CIFS implementation. + + Copyright (C) Andrew Tridgell 2005 + Copyright (C) Jelmer Vernooij 2005 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "talloc.h" +#include "tevent.h" +#include "tevent_internal.h" +#include "tevent_util.h" +#include <fcntl.h> + +/** + return the number of elements in a string list +*/ +static size_t str_list_length(const char **list) +{ + size_t ret; + for (ret=0;list && list[ret];ret++) /* noop */ ; + return ret; +} + +/** + add an entry to a string list +*/ +const char **ev_str_list_add(const char **list, const char *s) +{ + size_t len = str_list_length(list); + const char **ret; + + ret = talloc_realloc(NULL, list, const char *, len+2); + if (ret == NULL) return NULL; + + ret[len] = talloc_strdup(ret, s); + if (ret[len] == NULL) return NULL; + + ret[len+1] = NULL; + + return ret; +} + + +/** + Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available, + else + if SYSV use O_NDELAY + if BSD use FNDELAY +**/ + +int ev_set_blocking(int fd, bool set) +{ + int val; +#ifdef O_NONBLOCK +#define FLAG_TO_SET O_NONBLOCK +#else +#ifdef SYSV +#define FLAG_TO_SET O_NDELAY +#else /* BSD */ +#define FLAG_TO_SET FNDELAY +#endif +#endif + + if((val = fcntl(fd, F_GETFL, 0)) == -1) + return -1; + if(set) /* Turn blocking on - ie. clear nonblock flag */ + val &= ~FLAG_TO_SET; + else + val |= FLAG_TO_SET; + return fcntl( fd, F_SETFL, val); +#undef FLAG_TO_SET +} |