src/os/bsd/vm/os_bsd.cpp

rev 12906 : 8171508: os::jvm_path -XXaltjvm processing error after 8066474
Reviewed-by:

*** 1761,1779 ****
      return;
    }
  
    if (Arguments::sun_java_launcher_is_altjvm()) {
      // Support for the java launcher's '-XXaltjvm=<path>' option. Typical
!     // value for buf is "<JAVA_HOME>/jre/lib/<arch>/<vmtype>/libjvm.so"
      // or "<JAVA_HOME>/jre/lib/<vmtype>/libjvm.dylib". If "/jre/lib/"
      // appears at the right place in the string, then assume we are
      // installed in a JDK and we're done. Otherwise, check for a
      // JAVA_HOME environment variable and construct a path to the JVM
      // being overridden.
  
      const char *p = buf + strlen(buf) - 1;
!     for (int count = 0; p > buf && count < 5; ++count) {
        for (--p; p > buf && *p != '/'; --p)
          /* empty */ ;
      }
  
      if (strncmp(p, "/jre/lib/", 9) != 0) {
--- 1761,1779 ----
      return;
    }
  
    if (Arguments::sun_java_launcher_is_altjvm()) {
      // Support for the java launcher's '-XXaltjvm=<path>' option. Typical
!     // value for buf is "<JAVA_HOME>/jre/lib/<vmtype>/libjvm.so"
      // or "<JAVA_HOME>/jre/lib/<vmtype>/libjvm.dylib". If "/jre/lib/"
      // appears at the right place in the string, then assume we are
      // installed in a JDK and we're done. Otherwise, check for a
      // JAVA_HOME environment variable and construct a path to the JVM
      // being overridden.
  
      const char *p = buf + strlen(buf) - 1;
!     for (int count = 0; p > buf && count < 4; ++count) {
        for (--p; p > buf && *p != '/'; --p)
          /* empty */ ;
      }
  
      if (strncmp(p, "/jre/lib/", 9) != 0) {