Remove strcmp. Add manpages for overwrite and vis.

README

@@ -6,7 +6,6 @@
   highly portable and to cover common problems that can't be easily solved with
   shell.
 
-    -strcmp: Exits with 0 if the provided pair of strings differs. Otherwise, 1. [done]
     -vis: Replaces non-printing and non-ASCII characters with octal values. [done]
     -unfold: Exactly what it sounds like. unfold will attempt to merge lines
              with fewer than the provided number of characters with the next

doc/overwrite.1

@@ -0,0 +1,30 @@
+.TH overwrite 1 2021-11-21 me-utils "Extended Userland"
+
+.SH NAME
+overwrite \- Overwrite named file(s) with stdin
+.PP
+.SH SYNOPSIS
+.PP
+overwrite [ files ... ]
+.SH DESCRIPTION
+.PP
+Overwrite is an extension to the standard userland that reads standard input
+into an internal buffer before writing that internal buffer to each named file.
+.SH OPTIONS
+.PP
+Overwrite accepts no arguments. 
+.SH ENVIRONMENT
+This program requires a C89 compiler.
+.SH FILES
+/usr/src/me-utils/src/overwrite.c
+.SH CONFORMING TO
+.PP
+Non-standard tool.
+.SH NOTES
+.PP
+Nothing to note.
+.SH BUGS
+.PP
+No bugs known. Please report any to <midfavila@sdf.org>.
+.SH SEE ALSO
+tee(1p)

doc/vis.1

@@ -0,0 +1,30 @@
+.TH vis 1 2021-11-21 me-utils "Extended Userland"
+
+.SH NAME
+vis \- Print octal values of invisible characters
+.PP
+.SH SYNOPSIS
+.PP
+vis
+.SH DESCRIPTION
+.PP
+Vis is an extension to the standard userland that reads standard input
+and replaces any non-printing or blank characters with their octal values.
+.SH OPTIONS
+.PP
+Vis accepts no arguments. 
+.SH ENVIRONMENT
+This program requires a C89 compiler.
+.SH FILES
+/usr/src/me-utils/src/vis.c
+.SH CONFORMING TO
+.PP
+Non-standard tool.
+.SH NOTES
+.PP
+Nothing to note.
+.SH BUGS
+.PP
+No bugs known. Please report any to <midfavila@sdf.org>.
+.SH SEE ALSO
+od(1p), printf(1p), echo(1p)

src/Makefile

@@ -5,7 +5,6 @@ PREFIX = /usr
 
 BINS = \
 	overwrite \
-	strcmp    \
 	vis
 
 all: $(BINS)

src/strcmp.c

@@ -1,45 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdbool.h>
-
-#include "support.h"
-
-int shortestword(const char* word1, const char* word2)
-    {
-    int len = 0;
-
-    for(;;)
-	{
-	if(!word1[len])
-	    {
-	    return 0;
-	    }
-	else if(!word2[len++])
-	    {
-	    return 1;
-	    }
-	}
-    }
-
-int main(int argc, char **argv)
-    {
-    int swl = 0;
-
-    /* modify the program to support comparison of an arbitrary number of strings */
-    if(argc != 3)
-	{
-	throw(NEEDARG_FAIL, mastrcat(argv[0], " str1 str2"));
-	}
-
-    if(!shortestword(argv[1], argv[2]))
-	{
-	swl = (int) strlen(argv[1]);
-	}
-    else
-	{
-	swl = (int) strlen(argv[2]);
-	}
-
-    return(strncmp(argv[1], argv[2], swl));
-    }