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git://git.suckless.org/sbase
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add ln, util.a
This commit is contained in:
parent
026e63c005
commit
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17
Makefile
17
Makefile
@ -1,22 +1,27 @@
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include config.mk
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SRC = basename.c cat.c date.c echo.c false.c grep.c pwd.c rm.c sleep.c tee.c touch.c true.c wc.c
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OBJ = $(SRC:.c=.o) util.o
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LIB = util/enmasse.o util/eprintf.o
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SRC = basename.c cat.c date.c echo.c false.c grep.c ln.c pwd.c rm.c sleep.c tee.c touch.c true.c wc.c
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OBJ = $(SRC:.c=.o) $(LIB)
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BIN = $(SRC:.c=)
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MAN = $(SRC:.c=.1)
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all: $(BIN)
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$(OBJ): util.h
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$(BIN): util.o
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$(BIN): util.a
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.o:
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@echo CC -o $@
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@$(CC) -o $@ $< util.o $(LDFLAGS)
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@$(CC) -o $@ $< util.a $(LDFLAGS)
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.c.o:
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@echo CC -c $<
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@$(CC) -c $< $(CFLAGS)
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@$(CC) -c -o $@ $< $(CFLAGS)
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util.a: $(LIB)
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@echo AR rc $@
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@$(AR) rc $@ $(LIB)
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dist: clean
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@echo creating dist tarball
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@ -28,4 +33,4 @@ dist: clean
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clean:
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@echo cleaning
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@rm -f $(BIN) $(OBJ)
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@rm -f $(BIN) $(OBJ) $(LIB) util.a
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@ -4,6 +4,8 @@ VERSION = 0.0
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#CC = cc
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CC = musl-gcc
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AR = ar
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CPPFLAGS = -D_BSD_SOURCE
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CFLAGS = -Os -ansi -Wall -pedantic $(CPPFLAGS)
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LDFLAGS = -s -static
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22
ln.1
Normal file
22
ln.1
Normal file
@ -0,0 +1,22 @@
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.TH LN 1 sbase\-VERSION
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.SH NAME
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ln \- make links between files
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.SH SYNOPSIS
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.B ln
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.RB [ \-s ]
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.I file
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.RI [ name ]
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.P
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.B ln
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.RB [ \-s ]
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.RI [ files ...]
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.RI [ directory ]
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.SH DESCRIPTION
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.B ln
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creates a hard link to a given file, with the given name. If no name is given
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it is linked into the current directory. If multiple files are listed they will
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be linked into the given directory.
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.SH OPTIONS
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.TP
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.B \-s
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create a symbolic link.
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23
ln.c
Normal file
23
ln.c
Normal file
@ -0,0 +1,23 @@
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/* See LICENSE file for copyright and license details. */
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#include <stdbool.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "util.h"
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int
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main(int argc, char *argv[])
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{
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bool sflag = false;
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char c;
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while((c = getopt(argc, argv, "s")) != -1)
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switch(c) {
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case 's':
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sflag = true;
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break;
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default:
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exit(EXIT_FAILURE);
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}
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enmasse(argc - optind, &argv[optind], sflag ? symlink : link);
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return EXIT_SUCCESS;
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}
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1
util.h
1
util.h
@ -1,3 +1,4 @@
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/* See LICENSE file for copyright and license details. */
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void enmasse(int, char **, int (*)(const char *, const char *));
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void eprintf(const char *, ...);
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38
util/enmasse.c
Normal file
38
util/enmasse.c
Normal file
@ -0,0 +1,38 @@
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/* See LICENSE file for copyright and license details. */
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include "../util.h"
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void
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enmasse(int argc, char **argv, int (*fn)(const char *, const char *))
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{
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char *buf, *dir;
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int i;
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long size;
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struct stat st;
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if(argc == 2 && !(stat(argv[1], &st) == 0 && S_ISDIR(st.st_mode))) {
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if(fn(argv[0], argv[1]) != 0)
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eprintf("%s:", argv[1]);
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return;
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}
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else if(argc == 1)
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dir = ".";
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else
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dir = argv[--argc];
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if((size = pathconf(dir, _PC_PATH_MAX)) < 0)
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size = BUFSIZ;
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if(!(buf = malloc(size)))
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eprintf("malloc:");
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for(i = 0; i < argc; i++) {
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snprintf(buf, size, "%s/%s", dir, basename(argv[i]));
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if(fn(argv[i], buf) != 0)
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eprintf("%s:", buf);
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}
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free(buf);
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}
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@ -3,7 +3,7 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "util.h"
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#include "../util.h"
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void
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eprintf(const char *fmt, ...)
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