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-rw-r--r--toys/cmp.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/toys/cmp.c b/toys/cmp.c
deleted file mode 100644
index 0afca381..00000000
--- a/toys/cmp.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* vi: set sw=4 ts=4:
- *
- * cmp.c - Compare two files.
- *
- * Copyright 2012 Timothy Elliott <tle@holymonkey.com>
- *
- * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/cmp.html
-
-USE_CMP(NEWTOY(cmp, "<2>2ls", TOYFLAG_USR|TOYFLAG_BIN))
-
-config CMP
- bool "cmp"
- default y
- help
- usage: cmp [-l] [-s] FILE1 FILE2
-
- Compare the contents of two files.
-
- -l show all differing bytes
- -s silent
-*/
-
-#include "toys.h"
-
-#define FLAG_s 1
-#define FLAG_l 2
-
-DEFINE_GLOBALS(
- int fd;
- char *name;
-)
-
-#define TT this.cmp
-
-// This handles opening the file and
-
-void do_cmp(int fd, char *name)
-{
- int i, len1, len2, min_len, size = sizeof(toybuf)/2;
- long byte_no = 1, line_no = 1;
- char *buf2 = toybuf+size;
-
- // First time through, cache the data and return.
- if (!TT.fd) {
- TT.name = name;
- // On return the old filehandle is closed, and this assures that even
- // if we were called with stdin closed, the new filehandle != 0.
- TT.fd = dup(fd);
- return;
- }
-
- for (;;) {
- len1 = readall(TT.fd, toybuf, size);
- len2 = readall(fd, buf2, size);
-
- min_len = len1 < len2 ? len1 : len2;
- for (i=0; i<min_len; i++) {
- if (toybuf[i] != buf2[i]) {
- toys.exitval = 1;
- if (toys.optflags & FLAG_l)
- printf("%ld %o %o\n", byte_no, toybuf[i], buf2[i]);
- else {
- if (!(toys.optflags & FLAG_s)) {
- printf("%s %s differ: char %ld, line %ld\n",
- TT.name, name, byte_no, line_no);
- toys.exitval++;
- }
- goto out;
- }
- }
- byte_no++;
- if (toybuf[i] == '\n') line_no++;
- }
- if (len1 != len2) {
- if (!(toys.optflags & FLAG_s)) {
- fprintf(stderr, "cmp: EOF on %s\n",
- len1 < len2 ? TT.name : name);
- }
- toys.exitval = 1;
- break;
- }
- if (len1 < 1) break;
- }
-out:
- if (CFG_TOYBOX_FREE) close(TT.fd);
-}
-
-void cmp_main(void)
-{
- loopfiles_rw(toys.optargs, O_RDONLY, 0, toys.optflags&FLAG_s, do_cmp);
-}
-