cmdhf14b.c: fixing a crash in the crc computation when missing data (e.g. with 'hf...

[proxmark3-svn] / client / ui.c

diff --git a/client/ui.c b/client/ui.c
index 1eb877d84e1a8875f203f53910bd5d1d910f1de4..c0d01bc32983a2efb313f99640d745ce3af8cde9 100644 (file)
--- a/client/ui.c
+++ b/client/ui.c
@@ -14,12 +14,15 @@
 #include <stdio.h>
 #include <time.h>
 #include <readline/readline.h>
+#include <pthread.h>
 
 #include "ui.h"
 
 double CursorScaleFactor;
-int PlotGridX, PlotGridY;
+int PlotGridX, PlotGridY, PlotGridXdefault= 64, PlotGridYdefault= 64;
 int offline;
+int flushAfterWrite = 0;  //buzzy
+extern pthread_mutex_t print_lock;
 
 static char *logfilename = "proxmark3.log";
 
@@ -27,17 +30,20 @@ void PrintAndLog(char *fmt, ...)
 {
        char *saved_line;
        int saved_point;
-  va_list argptr, argptr2;
-  static FILE *logfile = NULL;
-  static int logging=1;
+       va_list argptr, argptr2;
+       static FILE *logfile = NULL;
+       static int logging=1;
 
-  if (logging && !logfile) {
-    logfile=fopen(logfilename, "a");
-    if (!logfile) {
-      fprintf(stderr, "Can't open logfile, logging disabled!\n");
-      logging=0;
-    }
-  }
+       // lock this section to avoid interlacing prints from different threats
+       pthread_mutex_lock(&print_lock);
+  
+       if (logging && !logfile) {
+               logfile=fopen(logfilename, "a");
+               if (!logfile) {
+                       fprintf(stderr, "Can't open logfile, logging disabled!\n");
+                       logging=0;
+               }
+       }
        
        int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
 
@@ -49,12 +55,12 @@ void PrintAndLog(char *fmt, ...)
                rl_redisplay();
        }
        
-  va_start(argptr, fmt);
-  va_copy(argptr2, argptr);
-  vprintf(fmt, argptr);
-  vprintf("          ", 0); // cleaning prompt
-  va_end(argptr);
-  printf("\n");
+       va_start(argptr, fmt);
+       va_copy(argptr2, argptr);
+       vprintf(fmt, argptr);
+       printf("          "); // cleaning prompt
+       va_end(argptr);
+       printf("\n");
 
        if (need_hack) {
                rl_restore_prompt();
@@ -64,14 +70,22 @@ void PrintAndLog(char *fmt, ...)
                free(saved_line);
        }
        
-  if (logging && logfile) {
-    vfprintf(logfile, fmt, argptr2);
-    fprintf(logfile,"\n");
-    fflush(logfile);
-  }
-  va_end(argptr2);
+       if (logging && logfile) {
+               vfprintf(logfile, fmt, argptr2);
+               fprintf(logfile,"\n");
+               fflush(logfile);
+       }
+       va_end(argptr2);
+
+       if (flushAfterWrite == 1)  //buzzy
+       {
+               fflush(NULL);
+       }
+       //release lock
+       pthread_mutex_unlock(&print_lock);  
 }
 
+
 void SetLogFilename(char *fn)
 {
   logfilename = fn;