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	mkbox - sbase - suckless unix tools
	git clone git://git.suckless.org/sbase
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	---
	mkbox (1723B)
	---
	1 #!/bin/sh
	2
	3 trap "rm -rf build" INT QUIT TERM
	4
	5 rm -rf build
	6 mkdir -p build
	7
	8 cp *.h build
	9
	10 cat > build/sbase-box.c <<EOF
	11 #include <unistd.h>
	12
	13 #include <libgen.h>
	14 #include <errno.h>
	15 #include <stdio.h>
	16 #include <stdlib.h>
	17 #include <string.h>
	18
	19 #include "util.h"
	20 #include "sbase-box.h"
	21
	22 struct cmd {
	23 char *name;
	24 int (fn)(int, char *);
	25 } cmds[] = {
	26 {"install", xinstall_main},
	27 {"[", test_main},
	28 $(grep -l ^main *.c \|
	29 while read f
	30 do
	31 sed -n '
	32 /^main/ {
	33 s/main/'${f%.c}'_main/
	34 s/-/_/g
	35 w build/'$f'
	36 s/$^.$(.)/ {"'${f%.c}'", \1},/p
	37 d
	38 }
	39 w 'build/$f $f
	40 done)
	41 {NULL},
	42 };
	43
	44 static void
	45 install(char *path)
	46 {
	47 int r;
	48 struct cmd *bp;
	49 char fname[FILENAME_MAX];
	50
	51 if (path == NULL) {
	52 fputs("sbase-box [-i path] [command]\n", stderr);
	53 exit(1);
	54 }
	55
	56 for (bp = cmds; bp->name; ++bp) {
	57 r = snprintf(fname, sizeof(fname), "%s/%s", path, bp->na…
	58 if (r < 0 \|\| r >= sizeof(fname)) {
	59 fprintf(stderr,
	60 "sbase-box: destination path truncated f…
	61 bp->name);
	62 exit(1);
	63 }
	64 remove(fname);
	65 if (symlink("sbase-box", fname) < 0) {
	66 fprintf(stderr,
	67 "sbase-box: %s: %s\n",
	68 bp->name, strerror(errno));
	69 exit(1);
	70 }
	71 }
	72 }
	73
	74 int
	75 main(int argc, char *argv[])
	76 {
	77 char *s = basename(argv[0]);
	78 struct cmd *bp;
	79
	80 if (!strcmp(s, "sbase-box") && argc > 1) {
	81 argc--; argv++;
	82 if (strcmp(argv[0], "-i") == 0) {
	83 install(argv[1]);
	84 exit(0);
	85 }
	86 s = basename(argv[0]);
	87 }
	88
	89 for (bp = cmds; bp->name; ++bp) {
	90 if (strcmp(bp->name, s) == 0)
	91 return (*bp->fn)(argc, argv);
	92 }
	93
	94 for (bp = cmds; bp->name; ++bp)
	95 printf("%s ", bp->name);
	96 putchar('\n');
	97
	98 return 0;
	99 }
	100 EOF
	101
	102 sed -n 's/.* $._main$./int \1(int, char **);/p'\
	103 build/sbase-box.c > build/sbase-box.h