diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/inet/resolv.c | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c index f4e6cac4f..5d3e2d871 100644 --- a/libc/inet/resolv.c +++ b/libc/inet/resolv.c @@ -146,6 +146,7 @@ #include <netinet/in.h> #include <arpa/inet.h> #include <stdlib.h> +#include <malloc.h> #include <unistd.h> #include <resolv.h> #include <netdb.h> @@ -1122,13 +1123,17 @@ void attribute_hidden __close_nameservers(void) struct hostent *gethostbyname(const char *name) { - static struct hostent h; - static char buf[sizeof(struct in_addr) + + static struct { + struct hostent h; + char buf[sizeof(struct in_addr) + sizeof(struct in_addr *)*2 + sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */]; + } *sp; struct hostent *hp; - gethostbyname_r(name, &h, buf, sizeof(buf), &hp, &h_errno); + free(sp); + sp = __uc_malloc(sizeof(*sp)); + gethostbyname_r(name, &sp->h, sp->buf, sizeof(sp->buf), &hp, &h_errno); return hp; } @@ -1142,13 +1147,17 @@ struct hostent *gethostbyname2(const char *name, int family) #ifndef __UCLIBC_HAS_IPV6__ return family == AF_INET ? gethostbyname(name) : (struct hostent*)0; #else /* __UCLIBC_HAS_IPV6__ */ - static struct hostent h; - static char buf[sizeof(struct in6_addr) + + static struct { + struct hostent h; + char buf[sizeof(struct in6_addr) + sizeof(struct in6_addr *)*2 + sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */]; + } *sp; struct hostent *hp; - gethostbyname2_r(name, family, &h, buf, sizeof(buf), &hp, &h_errno); + free(sp); + sp = __uc_malloc(sizeof(*sp)); + gethostbyname2_r(name, family, &sp->h, sp->buf, sizeof(sp->buf), &hp, &h_errno); return hp; #endif /* __UCLIBC_HAS_IPV6__ */ @@ -1496,17 +1505,21 @@ libc_hidden_def(res_querydomain) #ifdef L_gethostbyaddr struct hostent *gethostbyaddr (const void *addr, socklen_t len, int type) { - static struct hostent h; - static char buf[ + static struct { + struct hostent h; + char buf[ #ifndef __UCLIBC_HAS_IPV6__ sizeof(struct in_addr) + sizeof(struct in_addr *)*2 + #else sizeof(struct in6_addr) + sizeof(struct in6_addr *)*2 + #endif /* __UCLIBC_HAS_IPV6__ */ sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */]; + } *sp; struct hostent *hp; - gethostbyaddr_r(addr, len, type, &h, buf, sizeof(buf), &hp, &h_errno); + free(sp); + sp = __uc_malloc(sizeof(*sp)); + gethostbyaddr_r(addr, len, type, &sp->h, sp->buf, sizeof(sp->buf), &hp, &h_errno); return hp; } @@ -1725,8 +1738,9 @@ libc_hidden_def(gethostent_r) struct hostent *gethostent (void) { - static struct hostent h; - static char buf[ + static struct { + struct hostent h; + char buf[ #ifndef __UCLIBC_HAS_IPV6__ sizeof(struct in_addr) + sizeof(struct in_addr *)*2 + #else @@ -1734,10 +1748,13 @@ struct hostent *gethostent (void) #endif /* __UCLIBC_HAS_IPV6__ */ sizeof(char *)*(ALIAS_DIM) + 80/*namebuffer*/ + 2/* margin */]; + } *sp; struct hostent *host; + free(sp); + sp = __uc_malloc(sizeof(*sp)); __UCLIBC_MUTEX_LOCK(mylock); - gethostent_r(&h, buf, sizeof(buf), &host, &h_errno); + gethostent_r(&sp->h, sp->buf, sizeof(sp->buf), &host, &h_errno); __UCLIBC_MUTEX_UNLOCK(mylock); return(host); } |