Import SQLite 3.10.2.

third_party/sqlite/src/tool/showwal.c

 /*
 ** A utility for printing content from a write-ahead log file.
 */
 #include <stdio.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 
+#define ISDIGIT(X)  isdigit((unsigned char)(X))
+#define ISPRINT(X)  isprint((unsigned char)(X))
+
 #if !defined(_MSC_VER)
 #include <unistd.h>
 #else
 #include <io.h>
 #endif
 
 #include <stdlib.h>
 #include <string.h>
 
 
@@ skipping 132 matching lines @@
       if( i+j>nByte ){
         fprintf(stdout, "   ");
       }else{
         fprintf(stdout,"%02x ", aData[i+j]);
       }
     }
     for(j=0; j<perLine; j++){
       if( i+j>nByte ){
         fprintf(stdout, " ");
       }else{
-        fprintf(stdout,"%c", isprint(aData[i+j]) ? aData[i+j] : '.');
+        fprintf(stdout,"%c", ISPRINT(aData[i+j]) ? aData[i+j] : '.');
       }
     }
     fprintf(stdout,"\n");
   }
 }
 
 /* Print a line of decode output showing a 4-byte integer.
 */
 static void print_decode_line(
   unsigned char *aData,      /* Content being decoded */
@@ skipping 370 matching lines @@
     }
   }else{
     int i;
     for(i=2; i<argc; i++){
       int iStart, iEnd;
       char *zLeft;
       if( strcmp(argv[i], "header")==0 ){
         print_wal_header(0);
         continue;
       }
-      if( !isdigit(argv[i][0]) ){
+      if( !ISDIGIT(argv[i][0]) ){
         fprintf(stderr, "%s: unknown option: [%s]\n", argv[0], argv[i]);
         continue;
       }
       iStart = strtol(argv[i], &zLeft, 0);
       if( zLeft && strcmp(zLeft,"..end")==0 ){
         iEnd = mxFrame;
       }else if( zLeft && zLeft[0]=='.' && zLeft[1]=='.' ){
         iEnd = strtol(&zLeft[2], 0, 0);
       }else if( zLeft && zLeft[0]=='b' ){
         int ofst, nByte, hdrSize;
@@ skipping 23 matching lines @@
       }
       while( iStart<=iEnd ){
         print_frame(iStart);
         iStart++;
       }
     }
   }
   close(fd);
   return 0;
 }