1 files changed, 133 insertions, 0 deletions
diff --git a/tests/wc.c b/tests/wc.c
new file mode 100644
index 0000000..08b93ca
--- /dev/null
+++ b/tests/wc.c
@@ -0,0 +1,133 @@
+
+#include <stdio.h>
+#include <ctype.h>
+
+int   lflag;			/* Want count lines */
+int   wflag;			/* Want count words */
+int   cflag;			/* Want count characters */
+
+long  lcount;			/* File count of lines */
+long  wcount;			/* File count of words */
+long  ccount;			/* File count of characters */
+
+long  ltotal;			/* Total count of lines */
+long  wtotal;			/* Total count of words */
+long  ctotal;			/* Total count of characters */
+
+int
+main(argc, argv)
+int   argc;
+char **argv;
+{
+   char *p;
+   int   ar;
+
+   if (argc > 1 && argv[1][0] == '-')
+   {
+      for (p = argv[1] + 1; *p; p++)
+      {
+	 switch (*p)
+	 {
+	 case 'l':
+	    lflag++;
+	    break;
+	 case 'w':
+	    wflag++;
+	    break;
+	 case 'c':
+	    cflag++;
+	    break;
+	 default:
+	    Usage();
+	 }
+      }
+      argc--;
+      argv++;
+   }
+
+   /* If no flags are set, treat as wc -lwc. */
+   if (!lflag && !wflag && !cflag)
+      lflag = wflag = cflag = 1;
+
+   /* No filename, use stdin */
+   if (argc == 1)
+   {
+      count(stdin, "");
+      exit(0);
+   }
+
+   /* There is an explicit list of files.  Loop on files. */
+   for (ar = 1; ar < argc; ar++)
+   {
+      FILE *f;
+
+      if ((f = fopen(argv[ar], "r")) == NULL)
+	 fprintf(stderr, "wc: cannot open %s\n", argv[ar]);
+      else
+      {
+	 count(f, argv[ar]);
+	 fclose(f);
+      }
+   }
+
+   if (argc > 2)
+   {
+      if (lflag)
+	 printf("%7ld ", ltotal);
+      if (wflag)
+	 printf("%7ld ", wtotal);
+      if (cflag)
+	 printf("%7ld ", ctotal);
+      printf("total\n");
+   }
+   exit(0);
+}
+
+count(f, fname)
+FILE *f;
+char *fname;
+{
+   register int c;
+   register int inword = 0;
+
+   lcount = 0;
+   wcount = 0;
+   ccount = 0;
+
+   while ((c = getc(f)) != EOF)
+   {
+      ccount++;
+
+      if (isspace(c))
+      {
+	 if (inword)
+	    wcount++;
+	 inword = 0;
+      }
+      else
+	 inword = 1;
+
+      if (c == '\n' || c == '\f')
+	 lcount++;
+   }
+
+   ltotal += lcount;
+   wtotal += wcount;
+   ctotal += ccount;
+
+   if (lflag)
+      printf("%7ld ", lcount);
+   if (wflag)
+      printf("%7ld ", wcount);
+   if (cflag)
+      printf("%7ld ", ccount);
+   if (fname && *fname)
+      printf("%s", fname);
+   printf("\n");
+}
+
+Usage()
+{
+   fprintf(stderr, "Usage: wc [-lwc] [name ...]\n");
+   exit(1);
+}