1 files changed, 81 insertions, 0 deletions
diff --git a/custom_mutators/radamsa/libradamsa-test.c b/custom_mutators/radamsa/libradamsa-test.c
new file mode 100644
index 00000000..8a45f9b2
--- /dev/null
+++ b/custom_mutators/radamsa/libradamsa-test.c
@@ -0,0 +1,81 @@
+#include <radamsa.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+size_t filesize(char *filename) {
+
+  struct stat st;
+  stat(filename, &st);
+  return st.st_size;
+
+}
+
+#define BUFSIZE 1024 * 1024
+
+void fail(char *why) {
+
+  printf("fail: %s\n", why);
+  exit(1);
+
+}
+
+void write_output(char *data, size_t len, int num) {
+
+  char path[32];
+  int  fd;
+  int  wrote;
+  sprintf(path, "/tmp/libradamsa-%d.fuzz", num);
+  fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
+  printf("Opened %s -> %d\n", path, fd);
+  if (fd < 0) { fail("failed to open output file"); }
+  wrote = write(fd, data, len);
+  printf("wrote %d of %zu bytes\n", wrote, len);
+  if (wrote != len) { fail("failed to write all of output at once"); }
+  close(fd);
+  printf("Wrote %zu bytes to %s\n", len, path);
+
+}
+
+int main(int nargs, char **argv) {
+
+  char * spath = argv[1];
+  int    fd = open(spath, O_RDONLY, 0);
+  size_t len;
+  char * input;
+  char * output;
+  int    seed = 0;
+  if (fd < 0) { fail("cannot open input file"); }
+  len = filesize(spath);
+  input = malloc(len);
+  output = malloc(BUFSIZE);
+  if (!input || !output) { fail("failed to allocate buffers\n"); }
+  radamsa_init();
+  if (len != read(fd, input, len)) {
+
+    fail("failed to read the entire sample at once");
+
+  }
+
+  while (seed++ < 100) {
+
+    size_t n;
+    n = radamsa((uint8_t *)input, len, (uint8_t *)output, BUFSIZE, seed);
+    write_output(output, n, seed);
+    printf("Fuzzed %zu -> %zu bytes\n", len, n);
+
+  }
+
+  printf("library test passed\n");
+  free(output);
+  free(input);
+  return 0;
+
+}
+