diff options
Diffstat (limited to 'source4/heimdal/lib/krb5/store_fd.c')
| -rw-r--r-- | source4/heimdal/lib/krb5/store_fd.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/source4/heimdal/lib/krb5/store_fd.c b/source4/heimdal/lib/krb5/store_fd.c index fe3c513ee9..38d67ae4d3 100644 --- a/source4/heimdal/lib/krb5/store_fd.c +++ b/source4/heimdal/lib/krb5/store_fd.c @@ -34,8 +34,6 @@ #include "krb5_locl.h" #include "store-int.h" -RCSID("$Id$"); - typedef struct fd_storage { int fd; } fd_storage; @@ -60,12 +58,33 @@ fd_seek(krb5_storage * sp, off_t offset, int whence) return lseek(FD(sp), offset, whence); } +static int +fd_trunc(krb5_storage * sp, off_t offset) +{ + if (ftruncate(FD(sp), offset) == -1) + return errno; + return 0; +} + static void fd_free(krb5_storage * sp) { close(FD(sp)); } +/** + * + * + * @return A krb5_storage on success, or NULL on out of memory error. + * + * @ingroup krb5_storage + * + * @sa krb5_storage_from_emem() + * @sa krb5_storage_from_mem() + * @sa krb5_storage_from_readonly_mem() + * @sa krb5_storage_from_data() + */ + krb5_storage * KRB5_LIB_FUNCTION krb5_storage_from_fd(int fd) { @@ -93,6 +112,7 @@ krb5_storage_from_fd(int fd) sp->fetch = fd_fetch; sp->store = fd_store; sp->seek = fd_seek; + sp->trunc = fd_trunc; sp->free = fd_free; return sp; } |