1 files changed, 75 insertions, 0 deletions
diff --git a/src/third_party/libradamsa/libradamsa-test.c b/src/third_party/libradamsa/libradamsa-test.c
new file mode 100644
index 00000000..793c059d
--- /dev/null
+++ b/src/third_party/libradamsa/libradamsa-test.c
@@ -0,0 +1,75 @@
+#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");
+   }
+   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;
+}
+