diff options
Diffstat (limited to 'nis/nss_nis/nis-network.c')
| -rw-r--r-- | nis/nss_nis/nis-network.c | 115 |
1 files changed, 56 insertions, 59 deletions
diff --git a/nis/nss_nis/nis-network.c b/nis/nss_nis/nis-network.c index ed8439c814..9b02302e0b 100644 --- a/nis/nss_nis/nis-network.c +++ b/nis/nss_nis/nis-network.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996-2000, 2001, 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1996-2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996. @@ -73,28 +73,32 @@ internal_nis_getnetent_r (struct netent *net, char *buffer, size_t buflen, int *errnop, int *herrnop) { struct parser_data *data = (void *) buffer; - char *domain, *result, *outkey; - int len, keylen, parse_res; - if (yp_get_default_domain (&domain)) + char *domain; + if (__builtin_expect (yp_get_default_domain (&domain), 0)) return NSS_STATUS_UNAVAIL; /* Get the next entry until we found a correct one. */ + int parse_res; do { - enum nss_status retval; - char *p; + char *result; + char *outkey; + int len; + int keylen; + int yperr; if (new_start) - retval = yperr2nss (yp_first (domain, "networks.byname", - &outkey, &keylen, &result, &len)); + yperr = yp_first (domain, "networks.byname", &outkey, &keylen, &result, + &len); else - retval = yperr2nss ( yp_next (domain, "networks.byname", - oldkey, oldkeylen, - &outkey, &keylen, &result, &len)); + yperr = yp_next (domain, "networks.byname", oldkey, oldkeylen, &outkey, + &keylen, &result, &len); - if (retval != NSS_STATUS_SUCCESS) + if (__builtin_expect (yperr != YPERR_SUCCESS, 0)) { + enum nss_status retval = yperr2nss (yperr); + if (retval == NSS_STATUS_TRYAGAIN) { *herrnop = NETDB_INTERNAL; @@ -103,7 +107,7 @@ internal_nis_getnetent_r (struct netent *net, char *buffer, size_t buflen, return retval; } - if ((size_t) (len + 1) > buflen) + if (__builtin_expect ((size_t) (len + 1) > buflen, 0)) { free (result); *errnop = ERANGE; @@ -111,14 +115,14 @@ internal_nis_getnetent_r (struct netent *net, char *buffer, size_t buflen, return NSS_STATUS_TRYAGAIN; } - p = strncpy (buffer, result, len); + char *p = strncpy (buffer, result, len); buffer[len] = '\0'; while (isspace (*p)) ++p; free (result); parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop); - if (parse_res == -1) + if (__builtin_expect (parse_res == -1, 0)) { free (outkey); *herrnop = NETDB_INTERNAL; @@ -155,11 +159,6 @@ enum nss_status _nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer, size_t buflen, int *errnop, int *herrnop) { - enum nss_status retval; - struct parser_data *data = (void *) buffer; - char *domain, *result, *p; - int len, parse_res; - if (name == NULL) { *errnop = EINVAL; @@ -167,33 +166,36 @@ _nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer, return NSS_STATUS_UNAVAIL; } - if (yp_get_default_domain (&domain)) + char *domain; + if (__builtin_expect (yp_get_default_domain (&domain), 0)) return NSS_STATUS_UNAVAIL; + struct parser_data *data = (void *) buffer; if (buflen < sizeof *data + 1) { *herrnop = NETDB_INTERNAL; *errnop = ERANGE; return NSS_STATUS_TRYAGAIN; } - else - { - /* Convert name to lowercase. */ - size_t namlen = strlen (name); - char name2[namlen + 1]; - size_t i; - for (i = 0; i < namlen; ++i) - name2[i] = _tolower (name[i]); - name2[i] = '\0'; + /* Convert name to lowercase. */ + size_t namlen = strlen (name); + char name2[namlen + 1]; + size_t i; - retval = yperr2nss (yp_match (domain, "networks.byname", name2, - namlen, &result, &len)); - } + for (i = 0; i < namlen; ++i) + name2[i] = _tolower (name[i]); + name2[i] = '\0'; + char *result; + int len; + int yperr = yp_match (domain, "networks.byname", name2, namlen, &result, + &len); - if (retval != NSS_STATUS_SUCCESS) + if (__builtin_expect (yperr != YPERR_SUCCESS, 0)) { + enum nss_status retval = yperr2nss (yperr); + if (retval == NSS_STATUS_TRYAGAIN) { *errnop = errno; @@ -202,7 +204,7 @@ _nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer, return retval; } - if ((size_t) (len + 1) > buflen) + if (__builtin_expect ((size_t) (len + 1) > buflen, 0)) { free (result); *errnop = ERANGE; @@ -210,15 +212,15 @@ _nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer, return NSS_STATUS_TRYAGAIN; } - p = strncpy (buffer, result, len); + char *p = strncpy (buffer, result, len); buffer[len] = '\0'; while (isspace (*p)) ++p; free (result); - parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop); + int parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop); - if (parse_res < 1) + if (__builtin_expect (parse_res < 1, 0)) { *herrnop = NETDB_INTERNAL; if (parse_res == -1) @@ -235,32 +237,26 @@ _nss_nis_getnetbyaddr_r (uint32_t addr, int type, struct netent *net, char *buffer, size_t buflen, int *errnop, int *herrnop) { - struct parser_data *data = (void *) buffer; char *domain; - char *result; - int len; - char buf[256]; - int blen; - struct in_addr in; - char *p; - - if (yp_get_default_domain (&domain)) + if (__builtin_expect (yp_get_default_domain (&domain), 0)) return NSS_STATUS_UNAVAIL; - in = inet_makeaddr (addr, 0); - strcpy (buf, inet_ntoa (in)); - blen = strlen (buf); + struct in_addr in = inet_makeaddr (addr, 0); + char *buf = inet_ntoa (in); + size_t blen = strlen (buf); while (1) { - enum nss_status retval; - int parse_res; + char *result; + int len; - retval = yperr2nss (yp_match (domain, "networks.byaddr", buf, - strlen (buf), &result, &len)); + int yperr = yp_match (domain, "networks.byaddr", buf, blen, &result, + &len); - if (retval != NSS_STATUS_SUCCESS) + if (__builtin_expect (yperr != YPERR_SUCCESS, 0)) { + enum nss_status retval = yperr2nss (yperr); + if (retval == NSS_STATUS_NOTFOUND) { if (buf[blen - 2] == '.' && buf[blen - 1] == '0') @@ -282,7 +278,7 @@ _nss_nis_getnetbyaddr_r (uint32_t addr, int type, struct netent *net, } } - if ((size_t) (len + 1) > buflen) + if (__builtin_expect ((size_t) (len + 1) > buflen, 0)) { free (result); *errnop = ERANGE; @@ -290,15 +286,16 @@ _nss_nis_getnetbyaddr_r (uint32_t addr, int type, struct netent *net, return NSS_STATUS_TRYAGAIN; } - p = strncpy (buffer, result, len); + char *p = strncpy (buffer, result, len); buffer[len] = '\0'; while (isspace (*p)) ++p; free (result); - parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop); + int parse_res = _nss_files_parse_netent (p, net, (void *) buffer, + buflen, errnop); - if (parse_res < 1) + if (__builtin_expect (parse_res < 1, 0)) { *herrnop = NETDB_INTERNAL; if (parse_res == -1) |