kc3-lang/libbsd

diff --git a/COPYING b/COPYING
index a3b2cd9..7814d8f 100644
--- a/COPYING
+++ b/COPYING
@@ -3,7 +3,7 @@ Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Files:
  *
 Copyright:
- Copyright © 2004-2006, 2008-2022 Guillem Jover <guillem@hadrons.org>
+ Copyright © 2004-2024 Guillem Jover <guillem@hadrons.org>
 License: BSD-3-clause
 
 Files:
diff --git a/configure.ac b/configure.ac
index c00aa0f..1df73de 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,6 +44,7 @@ is_windows=no
 abi_accmode=unknown
 abi_arc4random=unknown
 abi_arc4random_stir=unknown
+abi_asprintf=unknown
 abi_bsd_getopt=unknown
 abi_closefrom=unknown
 abi_err=unknown
@@ -89,6 +90,7 @@ AS_CASE([$host_os],
     #abi_arc4random=no
     abi_arc4random=yes
     abi_arc4random_stir=yes
+    abi_asprintf=no
     abi_bsd_getopt=yes
     # DROP: On glibc >= 2.34.
     #abi_closefrom=no
@@ -145,6 +147,7 @@ AS_CASE([$host_os],
     abi_accmode=yes
     abi_arc4random=yes
     abi_arc4random_stir=yes
+    abi_asprintf=no
     # DROP: On musl >= 0.9.7, optreset got implemented.
     #abi_bsd_getopt=no
     abi_bsd_getopt=yes
@@ -208,6 +211,7 @@ AS_CASE([$host_os],
     abi_accmode=no
     abi_arc4random=no
     abi_arc4random_stir=no
+    abi_asprintf=no
     abi_bsd_getopt=no
     abi_closefrom=yes
     abi_err=no
@@ -253,6 +257,7 @@ AS_CASE([$host_os],
     abi_accmode=yes
     abi_arc4random=no
     abi_arc4random_stir=no
+    abi_asprintf=no
     abi_bsd_getopt=yes
     abi_closefrom=no
     abi_err=no
@@ -465,6 +470,8 @@ LIBBSD_CHECK_PROGNAME
 LIBBSD_CHECK_REGISTER_ATFORK
 
 AC_CHECK_FUNCS([\
+  vasprintf \
+  asprintf \
   clearenv \
   dirfd \
   flock \
@@ -490,6 +497,7 @@ AM_CONDITIONAL([HAVE_GETENTROPY], [test "x$ac_cv_func_getentropy" = "xyes"])
 LIBBSD_SELECT_ABI([accmode], [setmode()/getmode()])
 LIBBSD_SELECT_ABI([arc4random], [arc4random() API])
 LIBBSD_SELECT_ABI([arc4random_stir], [arc4random_stir()/arc4random_addrandom()])
+LIBBSD_SELECT_ABI([asprintf], [vasprintf()/asprintf()])
 LIBBSD_SELECT_ABI([bsd_getopt], [BSD getopt()])
 LIBBSD_SELECT_ABI([closefrom], [closefrom()])
 LIBBSD_SELECT_ABI([err], [err API])
diff --git a/include/bsd/stdio.h b/include/bsd/stdio.h
index 4b69983..d67aab1 100644
--- a/include/bsd/stdio.h
+++ b/include/bsd/stdio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2004-2005, 2009, 2011-2013 Guillem Jover <guillem@hadrons.org>
+ * Copyright © 2004-2024 Guillem Jover <guillem@hadrons.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -44,8 +44,18 @@
 #include <bsd/sys/cdefs.h>
 #endif
 #include <sys/types.h>
+#if defined(_AIX)
+#include <stdarg.h>
+#endif
 
 __BEGIN_DECLS
+#if defined(_AIX)
+int asprintf(char **strp, char const *fmt, ...)
+	__printflike(2, 3);
+int vasprintf(char **strp, char const *fmt, va_list args)
+	__printflike(2, 0);
+#endif
+
 const char *fmtcheck(const char *, const char *);
 
 /* XXX: The function requires cooperation from the system libc to store the
diff --git a/src/Makefile.am b/src/Makefile.am
index a85b705..00181bd 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -103,6 +103,13 @@ libbsd_la_SOURCES += \
 	# EOL
 endif
 
+if ABI_ASPRINTF
+libbsd_la_SOURCES += \
+	asprintf.c \
+	vasprintf.c \
+	# EOL
+endif
+
 if ABI_BSD_GETOPT
 libbsd_la_SOURCES += \
 	bsd_getopt.c \
diff --git a/src/asprintf.c b/src/asprintf.c
new file mode 100644
index 0000000..23576e3
--- /dev/null
+++ b/src/asprintf.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright © 2010-2024 Guillem Jover <guillem@hadrons.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdio.h>
+
+int
+asprintf(char **strp, char const *fmt, ...)
+{
+	va_list args;
+	int n;
+
+	va_start(args, fmt);
+	n = vasprintf(strp, fmt, args);
+	va_end(args);
+
+	return n;
+}
diff --git a/src/libbsd.map.in b/src/libbsd.map.in
index 81e431f..9670d4c 100644
--- a/src/libbsd.map.in
+++ b/src/libbsd.map.in
@@ -299,3 +299,10 @@ LIBBSD_0.11.0 {
     group_from_gid;
 #endif
 } LIBBSD_0.10.0;
+
+LIBBSD_0.12.0 {
+#if LIBBSD_ABI_ASPRINTF
+    vasprintf;
+    asprintf;
+#endif
+} LIBBSD_0.11.0;
diff --git a/src/vasprintf.c b/src/vasprintf.c
new file mode 100644
index 0000000..d9ae8bb
--- /dev/null
+++ b/src/vasprintf.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright © 2010-2024 Guillem Jover <guillem@hadrons.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+vasprintf(char **strp, char const *fmt, va_list args)
+{
+	va_list args_copy;
+	int needed, n;
+	char *str;
+
+	va_copy(args_copy, args);
+	needed = vsnprintf(NULL, 0, fmt, args_copy);
+	va_end(args_copy);
+
+	if (needed < 0) {
+		*strp = NULL;
+		return -1;
+	}
+
+	str = malloc(needed + 1);
+	if (str == NULL) {
+		*strp = NULL;
+		return -1;
+	}
+
+	n = vsnprintf(str, needed + 1, fmt, args);
+	if (n < 0) {
+		free(str);
+		str = NULL;
+	}
+
+	*strp = str;
+
+	return n;
+}