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Add a function that's missing from musl, use autotools machinery to
use it when needed
https://bugs.gentoo.org/880341
--- a/configure.in
+++ b/configure.in
@@ -191,6 +191,8 @@
[Define to unsigned int if you dont have it])]
)
+AC_REPLACE_FUNCS([inet_nsap_ntoa])
+
AC_MSG_CHECKING([whether our compiler supports __func__])
AC_TRY_COMPILE([],
[void foo() { const char *cp = __func__; }],
--- a/inet_nsap_ntoa.c
+++ b/inet_nsap_ntoa.c
@@ -0,0 +1,50 @@
+/* taken from glibc source */
+/*
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if !defined(HAVE_INET_NSAP_NTOA)
+#include <sys/types.h>
+
+char *
+inet_nsap_ntoa(int binlen, const u_char *binary, char *ascii) {
+ int nib;
+ int i;
+ static char tmpbuf[255*2 + 128];
+ char *start;
+
+ if (ascii)
+ start = ascii;
+ else {
+ ascii = tmpbuf;
+ start = tmpbuf;
+ }
+
+ if (binlen > 255)
+ binlen = 255;
+
+ for (i = 0; i < binlen; i++) {
+ nib = *binary >> 4;
+ *ascii++ = nib + (nib < 10 ? '0' : '7');
+ nib = *binary++ & 0x0f;
+ *ascii++ = nib + (nib < 10 ? '0' : '7');
+ if (((i % 2) == 0 && (i + 1) < binlen))
+ *ascii++ = '.';
+ }
+ *ascii = '\0';
+ return (start);
+}
+#endif
--- a/res_debug.c
+++ b/res_debug.c
@@ -94,6 +94,10 @@
#include "dnsres-internal.h"
#include "resolv.h"
+#if !defined(HAVE_INET_NSAP_NTOA)
+char *inet_nsap_ntoa(int binlen, const u_char *binary, char *ascii);
+#endif
+
/* Signatures */
/* Size of a mod or exp in bits */
#define MIN_MD5RSA_KEY_PART_BITS 512
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