1 files changed, 70 insertions, 0 deletions
diff --git a/mprintf.c b/mprintf.c
new file mode 100644
index 0000000..581d9ae
--- /dev/null
+++ b/mprintf.c
@@ -0,0 +1,70 @@
+#include <config.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "mprintf.h"
+
+// TODO: check for asprintf in configure and
+// write a replacement for such situations.
+
+char * mprintf(const char *fmt, ...) {
+	char *p;
+	int r;
+	va_list va;
+
+	va_start(va, fmt);
+	r = vasprintf(&p, fmt, va);
+	va_end(va);
+	/* return NULL both when r is < 0 and when NULL was returned */
+	if (r < 0)
+		return NULL;
+	else
+		return p;
+}
+
+char * vmprintf(const char *fmt, va_list va) {
+	char *p;
+	int r;
+
+	r = vasprintf(&p, fmt, va);
+	/* return NULL both when r is < 0 and when NULL was returned */
+	if (r < 0)
+		return NULL;
+	else
+		return p;
+}
+
+#ifndef HAVE_DPRINTF
+int dprintf(int fd, const char *format, ...){
+	char *buffer;
+	int ret;
+
+	va_list va;
+
+	va_start(va, format);
+	buffer = vmprintf(format, va);
+	va_end(va);
+	if (buffer == NULL)
+		return -1;
+	ret = write(fd, buffer, strlen(buffer));
+	free(buffer);
+	return ret;
+}
+#endif
+
+#ifndef HAVE_STRNDUP
+/* That's not the best possible strndup implementation, but it suffices for what
+ * it is used here */
+char *strndup(const char *str, size_t n) {
+	char *r = malloc(n+1);
+	if (r == NULL)
+		return r;
+	memcpy(r, str, n);
+	r[n] = '\0';
+	return r;
+}
+#endif