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authorGuillaume Cottenceau <gc@mandriva.com>2001-05-14 13:46:55 +0000
committerGuillaume Cottenceau <gc@mandriva.com>2001-05-14 13:46:55 +0000
commit3e3a822d182adc09a3969f4f37489c07755c52f8 (patch)
treeb1b085cdcbbd6e9cabb8ed0ea5009cf550a53308 /mdk-stage1/dietlibc/libcruft/gethostbyname.c
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v0_8
Diffstat (limited to 'mdk-stage1/dietlibc/libcruft/gethostbyname.c')
-rw-r--r--mdk-stage1/dietlibc/libcruft/gethostbyname.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libcruft/gethostbyname.c b/mdk-stage1/dietlibc/libcruft/gethostbyname.c
new file mode 100644
index 000000000..5db5bf3c5
--- /dev/null
+++ b/mdk-stage1/dietlibc/libcruft/gethostbyname.c
@@ -0,0 +1,39 @@
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+#include <sys/poll.h>
+#include <unistd.h>
+#include <errno.h>
+
+extern int h_errno;
+
+struct hostent* gethostbyname (const char *host)
+{
+ static struct hostent hostbuf;
+ struct hostent *hp;
+ size_t hstbuflen;
+ char *tmphstbuf;
+ int res;
+ int herr;
+
+ hstbuflen = 1024;
+ /* Allocate buffer, remember to free it to avoid a memory leakage. */
+ tmphstbuf = malloc (hstbuflen);
+
+ while ((res = gethostbyname_r (host, &hostbuf, tmphstbuf, hstbuflen,
+ &hp, &herr)) == ERANGE)
+ {
+ /* Enlarge the buffer. */
+ hstbuflen *= 2;
+ tmphstbuf = realloc (tmphstbuf, hstbuflen);
+ }
+ /* Check for errors. */
+ if (res || hp == NULL)
+ return NULL;
+ return hp;
+}
+