test/hotspot/gtest/logging/logTestUtils.inline.hpp

rev 50967 : 8206977: Minor improvements of runtime code.

*** 93,102 ****
--- 93,103 ----
  static inline char* read_line(FILE* fp) {
    assert(fp != NULL, "invalid fp");
    int buflen = 512;
    char* buf = NEW_RESOURCE_ARRAY(char, buflen);
    long pos = ftell(fp);
+   if (pos < 0) return NULL;
  
    char* ret = fgets(buf, buflen, fp);
    while (ret != NULL && buf[strlen(buf) - 1] != '\n' && !feof(fp)) {
      // retry with a larger buffer
      buf = REALLOC_RESOURCE_ARRAY(char, buf, buflen, buflen * 2);