[hackers] [sbase] add test.c (thanks Random832) || Connor Lane Smith

From: <hg_AT_suckless.org>
Date: Tue, 8 Nov 2011 19:35:46 +0100 (CET)

changeset: 98:dcb29ce4485f
tag: tip
user: Connor Lane Smith <cls_AT_lubutu.com>
date: Tue Nov 08 19:35:38 2011 +0100
files: Makefile config.mk test.c
description:
add test.c (thanks Random832)


diff -r 2f259700e4f2 -r dcb29ce4485f Makefile
--- a/Makefile Sat Jun 25 18:49:32 2011 +0100
+++ b/Makefile Tue Nov 08 19:35:38 2011 +0100
_AT_@ -41,6 +41,7 @@
         sort.c \
         tail.c \
         tee.c \
+ test.c \
         touch.c \
         true.c \
         tty.c \
diff -r 2f259700e4f2 -r dcb29ce4485f config.mk
--- a/config.mk Sat Jun 25 18:49:32 2011 +0100
+++ b/config.mk Tue Nov 08 19:35:38 2011 +0100
_AT_@ -9,7 +9,7 @@
 #CC = musl-gcc
 LD = $(CC)
 CPPFLAGS = -D_POSIX_C_SOURCE=200112L
-CFLAGS = -Os -ansi -Wall -Wextra -pedantic $(CPPFLAGS)
+CFLAGS = -Os -ansi -Wall -pedantic $(CPPFLAGS)
 LDFLAGS = -static #-s
 
 #CC = tcc
diff -r 2f259700e4f2 -r dcb29ce4485f test.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test.c Tue Nov 08 19:35:38 2011 +0100
_AT_@ -0,0 +1,123 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include "util.h"
+
+static bool unary(const char *, const char *);
+static void usage(void);
+static bool binary(const char *, const char *, const char *);
+
+static const char *progname;
+
+int
+main(int argc, char *argv[])
+{
+ bool ret, not = false;
+
+ progname = argv[0];
+
+ /* [ ... ] alias */
+ if(!strcmp(argv[0], "[")) {
+ if(strcmp(argv[argc-1], "]") != 0)
+ usage();
+ argc--;
+ }
+ if(argc > 1 && !strcmp(argv[1], "!")) {
+ not = true;
+ argv++;
+ argc--;
+ }
+ switch(argc) {
+ case 2:
+ ret = *argv[1] != '\0';
+ break;
+ case 3:
+ ret = unary(argv[1], argv[2]);
+ break;
+ case 4:
+ ret = binary(argv[1], argv[2], argv[3]);
+ break;
+ default:
+ usage();
+ }
+ if(not)
+ ret = !ret;
+ return ret ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+bool
+unary(const char *op, const char *arg)
+{
+ struct stat st;
+ int r;
+
+ if(op[0] != '-' || op[1] == '\0' || op[2] != '\0')
+ usage();
+ switch(op[1]) {
+ case 'b': case 'c': case 'd': case 'e': case 'f':
+ case 'g': case 'p': case 'S': case 's': case 'u':
+ if((r = stat(arg, &st)) == -1)
+ return false; /* -e */
+ switch(op[1]) {
+ case 'b':
+ return S_ISBLK(st.st_mode);
+ case 'c':
+ return S_ISCHR(st.st_mode);
+ case 'd':
+ return S_ISDIR(st.st_mode);
+ case 'e':
+ return true;
+ case 'f':
+ return S_ISREG(st.st_mode);
+ case 'g':
+ return st.st_mode & S_ISGID;
+ case 'p':
+ return S_ISFIFO(st.st_mode);
+ case 'S':
+ return S_ISSOCK(st.st_mode);
+ case 's':
+ return st.st_size > 0;
+ case 'u':
+ return st.st_mode & S_ISUID;
+ }
+ case 'h': case 'L':
+ return lstat(arg, &st) == 0 && S_ISLNK(st.st_mode);
+ case 'n':
+ return arg[0] != '\0';
+ case 't':
+ return isatty((int)estrtol(arg, 0));
+ case 'r':
+ return access(arg, R_OK) == 0;
+ case 'w':
+ return access(arg, W_OK) == 0;
+ case 'x':
+ return access(arg, X_OK) == 0;
+ case 'z':
+ return arg[0] == '\0';
+ default:
+ usage();
+ }
+ return false; /* should not reach */
+}
+
+void
+usage(void)
+{
+ const char *ket = (progname[0] == '[') ? " ]" : "";
+
+ fprintf(stderr, "usage: %s string%s\n", progname, ket);
+ fprintf(stderr, " %s [!] [-bcdefghLnprSstuwxz] string%s\n", progname, ket);
+ fprintf(stderr, " %s [!] string1 comparison-op string2%s\n", progname, ket);
+ exit(EXIT_FAILURE);
+}
+
+bool
+binary(const char *arg1, const char *op, const char *arg2)
+{
+ eprintf("not yet implemented\n");
+ return false;
+}
Received on Tue Nov 08 2011 - 19:35:46 CET