[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen master] libxl: fix _SC_GETPW_R_SIZE_MAX usage
commit 2155a0ec7d693a05553e515ce1a1d3783fdc8e53 Author: Roger Pau Monne <roger.pau@xxxxxxxxxx> AuthorDate: Thu Jan 14 16:06:50 2016 +0100 Commit: Ian Campbell <ian.campbell@xxxxxxxxxx> CommitDate: Fri Jan 15 10:32:24 2016 +0000 libxl: fix _SC_GETPW_R_SIZE_MAX usage If sysconf(_SC_GETPW_R_SIZE_MAX) fails for any reason just use an initial buffer size of 2048. This is not a critical failure, and the code that makes use of this buffer is able to expand it later if required. Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> --- tools/libxl/libxl_dm.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c index 0aaefd9..a088d71 100644 --- a/tools/libxl/libxl_dm.c +++ b/tools/libxl/libxl_dm.c @@ -730,9 +730,10 @@ static int libxl__dm_runas_helper(libxl__gc *gc, const char *username) buf_size = sysconf(_SC_GETPW_R_SIZE_MAX); if (buf_size < 0) { - LOGE(ERROR, "sysconf(_SC_GETPW_R_SIZE_MAX) returned error %ld", - buf_size); - return ERROR_FAIL; + buf_size = 2048; + LOG(DEBUG, +"sysconf(_SC_GETPW_R_SIZE_MAX) failed, setting the initial buffer size to %ld", + buf_size); } while (1) { -- generated by git-patchbot for /home/xen/git/xen.git#master _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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