liblash

commit 8b8512d425f039b9391eeebbc51ab9e1b63cc293
parent 1a7da42e0adac827e83507d10d4f1bfc72f5c6b8
Author: nolash <dev@holbrook.no>
Date:   Sun,  9 Feb 2020 21:23:56 +0100

Add random data generator

Diffstat:
M
Makefile.am
 | 
8
++++++--
M
hex.c
 | 
2
+-
A
include/test.h
 | 
7
+++++++
A
test.c
 | 
35
+++++++++++++++++++++++++++++++++++

4 files changed, 49 insertions(+), 3 deletions(-)
diff --git a/Makefile.am b/Makefile.am
@@ -1,12 +1,16 @@
 AM_CFLAGS = -I$(top_srcdir)/include
 
-noinst_LTLIBRARIES = liblash.la libbtree.la libdebug.la
-liblash_la_SOURCES = hex.c endian.c tree.c
+noinst_LTLIBRARIES = liblash.la libbtree.la libdebug.la liblashtest.la
+
+liblash_la_SOURCES = hex.c endian.c tree.c 
 liblash_la_CFLAGS = -I./include
 
 libbtree_la_SOURCES = tree.c
 libbtree_la_CFLAGS = -I./include
 
+liblashtest_la_SOURCES = test.c
+liblashtest_la_CFLAGS = -I./include
+
 libdebug_la_SOURCES = debug_log.c debug_timer.c
 libdebug_la_CFLAGS = -I./include
 
diff --git a/hex.c b/hex.c
@@ -56,7 +56,7 @@ size_t hex2bin(const char *hex, unsigned char *out) {
 		return 0;
 	len /= 2;
 
-	//memset(out, 'A', len);
+	memset(out, 'A', len);
 	for (i=0; i<len; i++) {
 		if (!hexchr2bin(hex[i*2], &b1) || !hexchr2bin(hex[i*2+1], &b2)) {
 			return 0;
diff --git a/include/test.h b/include/test.h
@@ -0,0 +1,7 @@
+#ifndef LASH_TEST_H_
+#define LASH_TEST_H_
+
+int randomData(void *buf, size_t l);
+int randomDataHex(void *buf, ssize_t l);
+
+#endif
diff --git a/test.c b/test.c
@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <sys/random.h>
+
+#include "hex.h"
+
+int randomData(void *buf, size_t l) {
+	ssize_t r;
+
+	r = getrandom(buf, l, 0);
+	if (r != l) {
+		return 1;
+	}
+	return 0;
+}
+
+int randomDataHex(void *buf, ssize_t l) {
+	ssize_t lr;
+	int r;
+	char *rbuf;
+
+	lr = l / 2;
+	rbuf = calloc(sizeof(char), lr);
+	r = randomData(rbuf, lr);
+	if (r) {
+		free(rbuf);
+		return r;
+	}
+	r = toHex(rbuf, lr, (unsigned char*)buf, &l);
+	if (r) {
+		free(rbuf);
+		return 3;
+	}
+	free(rbuf);
+	return 0;
+}