[RISU 1/9] Use bool for tracing variables

[Richard Henderson]

Signed-off-by: Richard Henderson <address@hidden>
---
 risu.h    | 3 ++-
 reginfo.c | 2 +-
 risu.c    | 8 ++++----
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/risu.h b/risu.h
index 8d2d646..e2b4508 100644
--- a/risu.h
+++ b/risu.h
@@ -17,6 +17,7 @@
 #include <ucontext.h>
 #include <stdio.h>
 #include <getopt.h>
+#include <stdbool.h>
 
 /* Extra option processing for architectures */
 extern const struct option * const arch_long_opts;
@@ -96,7 +97,7 @@ int recv_and_compare_register_info(read_fn read_fn,
  * Should return 0 if it was a good match (ie end of test)
  * and 1 for a mismatch.
  */
-int report_match_status(int trace);
+int report_match_status(bool trace);
 
 /* Interface provided by CPU-specific code: */
 
diff --git a/reginfo.c b/reginfo.c
index dd42ae2..1b2a821 100644
--- a/reginfo.c
+++ b/reginfo.c
@@ -141,7 +141,7 @@ int recv_and_compare_register_info(read_fn read_fn,
  * Should return 0 if it was a good match (ie end of test)
  * and 1 for a mismatch.
  */
-int report_match_status(int trace)
+int report_match_status(bool trace)
 {
     int resp = 0;
     fprintf(stderr, "match status...\n");
diff --git a/risu.c b/risu.c
index 01525d2..79b1092 100644
--- a/risu.c
+++ b/risu.c
@@ -31,7 +31,7 @@
 void *memblock;
 
 int apprentice_fd, master_fd;
-int trace;
+bool trace;
 size_t signal_count;
 
 #ifdef HAVE_ZLIB
@@ -228,7 +228,7 @@ int master(void)
                     signal_count);
             return 0;
         } else {
-            return report_match_status(0);
+            return report_match_status(false);
         }
     }
     set_sigill_handler(&master_sigill);
@@ -250,7 +250,7 @@ int apprentice(void)
 #endif
         close(apprentice_fd);
         fprintf(stderr, "finished early after %zd checkpoints\n", 
signal_count);
-        return report_match_status(1);
+        return report_match_status(true);
     }
     set_sigill_handler(&apprentice_sigill);
     fprintf(stderr, "starting apprentice image at 0x%"PRIxPTR"\n",
@@ -344,7 +344,7 @@ int main(int argc, char **argv)
             break;
         case 't':
             trace_fn = optarg;
-            trace = 1;
+            trace = true;
             break;
         case 'h':
             hostname = optarg;
-- 
2.20.1