[sanitizer] Intercept getline, getdelim.

llvm-svn: 193730

2 files changed, 32 insertions, 0 deletions

diff --git a/compiler-rt/lib/msan/lit_tests/getline.cc b/compiler-rt/lib/msan/lit_tests/getline.cc
new file mode 100644
index 00000000000..27168a88560
--- /dev/null
+++ b/compiler-rt/lib/msan/lit_tests/getline.cc
@@ -0,0 +1,30 @@
+// RUN: %clangxx_msan -O0 %s -o %t && %t %p
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main(int argc, char **argv) {
+  assert(argc == 2);
+  char buf[1024];
+  snprintf(buf, sizeof(buf), "%s/%s", argv[1], "getline_test_data");
+
+  FILE *fp = fopen(buf, "r");
+  assert(fp);
+
+  char *line = 0;
+  size_t len = 0;
+  int n = getline(&line, &len, fp);
+  assert(n == 6);
+  assert(strcmp(line, "abcde\n") == 0);
+
+  n = getline(&line, &len, fp);
+  assert(n == 6);
+  assert(strcmp(line, "12345\n") == 0);
+  
+  free(line);
+  fclose(fp);
+
+  return 0;
+}
diff --git a/compiler-rt/lib/msan/lit_tests/getline_test_data b/compiler-rt/lib/msan/lit_tests/getline_test_data
new file mode 100644
index 00000000000..5ba1d4cec0d
--- /dev/null
+++ b/compiler-rt/lib/msan/lit_tests/getline_test_data
@@ -0,0 +1,2 @@
+abcde
+12345