1 files changed, 44 insertions, 0 deletions
diff --git a/misc/strdup.c b/misc/strdup.c
new file mode 100644
index 000000000..9236fe7db
--- /dev/null
+++ b/misc/strdup.c
@@ -0,0 +1,44 @@
+/*
+ * Author: Tim Mooney <mooney@plains.nodak.edu>
+ * Copyright: This file is in the public domain.
+ *
+ * a replacement for strdup() for those platforms that don't have it,
+ * like Ultrix.
+ *
+ * Requires: malloc(), strlen(), strcpy().
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#if defined(HAVE_STDLIB_H) || defined(STDC_HEADERS)
+# include <stdlib.h>
+#else
+extern void *malloc(size_t);
+#endif
+
+#if defined(HAVE_STRING_H) || defined(STDC_HEADERS)
+# include <string.h>
+#else
+extern size_t strlen(const char *);
+extern char *strcpy(char *, const char *);
+#endif
+
+char * strdup(const char *s) {
+	void *p = NULL;
+
+	p = malloc(strlen(s)+1);
+	if (!p) {
+		return NULL;
+	}
+
+	strcpy( (char *) p, s);
+	return (char *) p;
+}
+