Move everything into a new repo.

1 files changed, 106 insertions, 0 deletions

diff --git a/userland/minibox/utilities/wc.c b/userland/minibox/utilities/wc.c
new file mode 100644
index 0000000..886eb9e
--- /dev/null
+++ b/userland/minibox/utilities/wc.c
@@ -0,0 +1,106 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include "include.h"
+
+int cmode, wmode, lmode;
+
+void output(const char * str, size_t lines, size_t words, size_t chars)
+{
+	if(lmode)
+		printf("%d", lines);
+
+	if(wmode)
+	{
+		if(lmode) putchar(' ');
+
+		printf("%d", words);
+	}
+
+	if(cmode)
+	{
+		if(lmode) putchar(' ');
+
+		printf("%d", chars);
+	}
+
+	if(str) printf(" %s", str);
+
+	putchar('\n');
+}
+
+void wc(int argc, char ** argv)
+{
+	int fd = fd_stdin;
+	size_t total_chars, total_words, total_lines;
+	total_chars = total_words = total_lines = 0;
+
+	if(NULL == *argv)
+		goto read_stdin;
+
+
+	for(;*argv;argv++)
+	{
+        int new_word = 1;
+		size_t chars = 0,
+				words = chars,
+				lines = chars;
+
+		fd = open(*argv, O_RDONLY, 0);
+read_stdin:
+		for(char c;read(fd, &c, 1);)
+		{
+			if(cmode)
+				chars++;
+
+			if(wmode)
+			{
+                if(isspace(c)) {
+                    new_word = 1;
+                } else if(new_word) {
+                    words++;
+                    new_word = 0;
+                }
+			}
+
+			if(lmode)
+				if('\n' == c)
+					lines++;
+		}
+		close(fd);
+		if(lmode) total_lines += lines;
+		if(wmode) total_words += words;
+		if(cmode) total_chars += chars;
+
+		output(*argv, lines, words, chars);
+		if(NULL == *argv) return; // We read from stdin
+	}
+
+	if(argc > 1) output("total", total_lines, total_words, total_chars);
+}
+
+int wc_main(int argc, char ** argv)
+{
+	cmode = wmode = lmode = 0;
+	for(argc--;*++argv && '-' == **argv;argc--)
+		switch(*(*argv+1))
+		{
+		case 'l':
+			lmode = 1;
+			break;
+		case 'w':
+			wmode = 1;
+			break;
+		case 'c':
+			cmode = 1;
+			break;
+		}
+
+	if(!(lmode || cmode || wmode))
+		cmode = wmode = lmode = 1;
+
+	wc(argc, argv);
+	return 0;
+}