diff options
Diffstat (limited to 'nscd/nscd_getgr_r.c')
| -rw-r--r-- | nscd/nscd_getgr_r.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/nscd/nscd_getgr_r.c b/nscd/nscd_getgr_r.c index 85ebb0dc60..ec4f5a1297 100644 --- a/nscd/nscd_getgr_r.c +++ b/nscd/nscd_getgr_r.c @@ -99,6 +99,8 @@ __nscd_getgr_r (const char *key, request_type type, struct group *resultbuf, request_header req; gr_response_header gr_resp; ssize_t nbytes; + size_t maxiov; + size_t sum; if (sock == -1) { @@ -232,18 +234,21 @@ __nscd_getgr_r (const char *key, request_type type, struct group *resultbuf, *p++ = '\0'; } - while (i > UIO_MAXIOV) +#ifdef UIO_MAXIOV + maxiov = UIO_MAXIOV; +#else + maxiov = sysconf (_SC_UIO_MAXIOV); +#endif + + sum = 0; + while (i > maxiov) { - if (__readv (sock, vec, UIO_MAXIOV) != total_len) - { - __close (sock); - return -1; - } - vec += UIO_MAXIOV; - i -= UIO_MAXIOV; + sum += __readv (sock, vec, maxiov); + vec += maxiov; + i -= maxiov; } - if (__readv (sock, vec, i) != total_len) + if (sum + __readv (sock, vec, i) != total_len) { __close (sock); return -1; |