misc cleanups

This change touches several subsystems, tools and experiments
(sal, util, cmake, import-trace, generic-tracing, nanojpeg), and
changes details not worth separate commits.

Change-Id: Icd1d664d1be5cfc2212dbf77801c271183214d08

src/core/sal/CPU.cc

@@ -22,6 +22,7 @@ void CPUArchitecture::m_addRegister(Register* reg, RegisterType type)
 Register* CPUArchitecture::getRegister(size_t i) const
 {
 	assert(i < m_Registers.size() && "FATAL ERROR: Invalid index provided!");
+	assert(m_Registers[i]->getId() == i && "FATAL ERROR: Register index mismatch");
 	return m_Registers[i];
 }
 

src/core/sal/CPU.hpp

@@ -13,7 +13,7 @@ namespace fail {
 /**
  * \class CPUArchitecture
  * This is the base class for CPU architectures that can be used to merge information and
- * functionallity that every backend with the same target architecture will share. The classes
+ * functionality that every backend with the same target architecture will share.  The classes
  * directly derived from this are especially meant to be usable in campaigns, so they shouldn't
  * contain any backend specific code.
  */

src/core/sal/Register.hpp

@@ -102,7 +102,7 @@ public:
 	 */
 	iterator begin() { return m_Regs.begin(); }
 	/**
-	 * Returns an iterator to the end of the interal data structure.
+	 * Returns an iterator to the end of the internal data structure.
 	 * \code
 	 * [1|2| ... |n]X
 	 *              ^

src/core/util/Database.cc

@@ -217,7 +217,7 @@ void Database::cmdline_setup() {
 	HOSTNAME	  = cmd.addOption("H", "hostname", Arg::Required,
 								  "-h/--hostname \tMYSQL Hostname (default: taken from ~/.my.cnf)");
 	USERNAME	  = cmd.addOption("u", "username", Arg::Required,
-								  "-u/--username \tMYSQL Username (default: taken from ~/.my.cnf, or your current user)");
+								  "-u/--username \tMYSQL Username (default: taken from ~/.my.cnf, or your current user)\n");
 }
 
 Database * Database::cmdline_connect() {