# Optional functions
AC_CHECK_FUNCS_ONCE([ \
gai_strerror getaddrinfo getnameinfo inet_aton sigaction sigprocmask \
- snprintf vsnprintf strdup strlcpy strlcat strtok_r waitpid])
+ snprintf vsnprintf strdup strndup strlcpy strlcat strtok_r waitpid])
# -- Configuration options --
noinst_LIBRARIES = libngportab.a
-libngportab_a_SOURCES = strdup.c strlcpy.c strtok_r.c vsnprintf.c waitpid.c
+libngportab_a_SOURCES = strdup.c strndup.c strlcpy.c strtok_r.c vsnprintf.c waitpid.c
check_PROGRAMS = portabtest
extern char * strdup PARAMS(( const char *s ));
#endif
+#ifndef HAVE_STRNDUP
+extern char * strndup PARAMS((const char *s, size_t maxlen));
+#endif
+
#ifndef HAVE_STRTOK_R
extern char * strtok_r PARAMS((char *str, const char *delim, char **saveptr));
#endif
--- /dev/null
+/*
+ * ngIRCd -- The Next Generation IRC Daemon
+ */
+
+#include "portab.h"
+
+/**
+ * @file
+ * strndup() implementation. Public domain.
+ */
+
+#ifndef HAVE_STRNDUP
+
+#include "imp.h"
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include "exp.h"
+
+GLOBAL char *
+strndup(const char *s, size_t maxlen)
+{
+ char *dup;
+ size_t len = strlen(s);
+
+ if (len > maxlen)
+ len = maxlen;
+ len++;
+ dup = malloc(len);
+ if (dup)
+ strlcpy(dup, s, len);
+ return dup;
+}
+
+#endif
+