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author | Ulrich Drepper <drepper@redhat.com> | 2006-07-31 23:33:04 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2006-07-31 23:33:04 +0000 |
commit | cb62745abd33d661c39c80e3a755532770a527c9 (patch) | |
tree | 886794aea47627406c1604ac42a3d9f9818f7b0d /nis/nss_compat/compat-grp.c | |
parent | b894c2ea7e9dbf9d777555a2e1a917f5abcbb550 (diff) | |
download | glibc-cb62745abd33d661c39c80e3a755532770a527c9.zip glibc-cb62745abd33d661c39c80e3a755532770a527c9.tar.gz glibc-cb62745abd33d661c39c80e3a755532770a527c9.tar.bz2 |
Avoid unnecessary setXXent calls into the backend NSS module. If backend setXXent call failed, don't have internal_setXXent fail. Just remember this until it is needed.
Diffstat (limited to 'nis/nss_compat/compat-grp.c')
-rw-r--r-- | nis/nss_compat/compat-grp.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/nis/nss_compat/compat-grp.c b/nis/nss_compat/compat-grp.c index 093876f..f2f7195 100644 --- a/nis/nss_compat/compat-grp.c +++ b/nis/nss_compat/compat-grp.c @@ -59,12 +59,13 @@ struct blacklist_t struct ent_t { bool_t files; + enum nss_status setent_status; FILE *stream; struct blacklist_t blacklist; }; typedef struct ent_t ent_t; -static ent_t ext_ent = {TRUE, NULL, {NULL, 0, 0}}; +static ent_t ext_ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }}; /* Protect global state against multiple changers. */ __libc_lock_define_initialized (static, lock) @@ -89,7 +90,7 @@ init_nss_interface (void) } static enum nss_status -internal_setgrent (ent_t *ent, int stayopen) +internal_setgrent (ent_t *ent, int stayopen, int needent) { enum nss_status status = NSS_STATUS_SUCCESS; @@ -137,12 +138,8 @@ internal_setgrent (ent_t *ent, int stayopen) else rewind (ent->stream); - if (status == NSS_STATUS_SUCCESS && nss_setgrent) - { - status = nss_setgrent (stayopen); - if (status == NSS_STATUS_UNAVAIL) - status = NSS_STATUS_SUCCESS; - } + if (needent && status == NSS_STATUS_SUCCESS && nss_setgrent) + ent->setent_status = nss_setgrent (stayopen); return status; } @@ -158,7 +155,7 @@ _nss_compat_setgrent (int stayopen) if (ni == NULL) init_nss_interface (); - result = internal_setgrent (&ext_ent, stayopen); + result = internal_setgrent (&ext_ent, stayopen, 1); __libc_lock_unlock (lock); @@ -212,6 +209,10 @@ getgrent_next_nss (struct group *result, ent_t *ent, char *buffer, if (!nss_getgrent_r) return NSS_STATUS_UNAVAIL; + /* If the setgrent call failed, say so. */ + if (ent->setent_status != NSS_STATUS_SUCCESS) + return ent->setent_status; + do { enum nss_status status; @@ -363,7 +364,7 @@ _nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen, init_nss_interface (); if (ext_ent.stream == NULL) - result = internal_setgrent (&ext_ent, 1); + result = internal_setgrent (&ext_ent, 1, 1); if (result == NSS_STATUS_SUCCESS) { @@ -485,7 +486,7 @@ enum nss_status _nss_compat_getgrnam_r (const char *name, struct group *grp, char *buffer, size_t buflen, int *errnop) { - ent_t ent = {TRUE, NULL, {NULL, 0, 0}}; + ent_t ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }}; enum nss_status result; if (name[0] == '-' || name[0] == '+') @@ -498,7 +499,7 @@ _nss_compat_getgrnam_r (const char *name, struct group *grp, __libc_lock_unlock (lock); - result = internal_setgrent (&ent, 0); + result = internal_setgrent (&ent, 0, 0); if (result == NSS_STATUS_SUCCESS) result = internal_getgrnam_r (name, grp, &ent, buffer, buflen, errnop); @@ -613,7 +614,7 @@ enum nss_status _nss_compat_getgrgid_r (gid_t gid, struct group *grp, char *buffer, size_t buflen, int *errnop) { - ent_t ent = {TRUE, NULL, {NULL, 0, 0}}; + ent_t ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }}; enum nss_status result; __libc_lock_lock (lock); @@ -623,7 +624,7 @@ _nss_compat_getgrgid_r (gid_t gid, struct group *grp, __libc_lock_unlock (lock); - result = internal_setgrent (&ent, 0); + result = internal_setgrent (&ent, 0, 0); if (result == NSS_STATUS_SUCCESS) result = internal_getgrgid_r (gid, grp, &ent, buffer, buflen, errnop); |