Initial revision0_29alpha2

1 files changed, 230 insertions, 0 deletions

diff --git a/busybox.c b/busybox.c
new file mode 100644
index 0000000..b7b2b60
--- /dev/null
+++ b/busybox.c
@@ -0,0 +1,230 @@
+#include "internal.h"
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+static int been_there_done_that = 0;
+
+static const struct Applet applets[] = {
+
+#ifdef BB_BUSYBOX		//bin
+    {"busybox", busybox_main},
+#endif
+#ifdef BB_BLOCK_DEVICE		//sbin
+    {"block_device", block_device_main},
+#endif
+#ifdef BB_CAT			//bin
+    {"cat", cat_more_main},
+#endif
+#ifdef BB_CHGRP			//bin
+    {"chgrp", chgrp_main},
+#endif
+#ifdef BB_CHMOD			//bin
+    {"chmod", chmod_main},
+#endif
+#ifdef BB_CHOWN			//bin
+    {"chown", chown_main},
+#endif
+#ifdef BB_CHROOT		//sbin
+    {"chroot", chroot_main},
+#endif
+#ifdef BB_CLEAR			//usr/bin
+    {"clear", clear_main},
+#endif
+#ifdef BB_CP			//bin
+    {"cp", dyadic_main},
+#endif
+#ifdef BB_DATE			//bin
+    {"date", date_main},
+#endif
+#ifdef BB_DD			//bin
+    {"dd", dd_main},
+#endif
+#ifdef BB_DF			//bin
+    {"df", df_main},
+#endif
+#ifdef BB_DMESG			//bin
+    {"dmesg", dmesg_main},
+#endif
+#ifdef BB_DUTMP			//usr/sbin
+    {"dutmp", cat_more_main},
+#endif
+#ifdef BB_FALSE			//bin
+    {"false", false_main},
+#endif
+#ifdef BB_FDFLUSH		//bin
+    {"fdflush", monadic_main},
+#endif
+#ifdef BB_FIND			//usr/bin
+    {"find", find_main},
+#endif
+#ifdef BB_GREP			//bin
+    {"grep", grep_main},
+#endif
+#ifdef BB_HALT			//sbin
+    {"halt", halt_main},
+#endif
+#ifdef BB_INIT			//sbin
+    {"init", init_main},
+#endif
+#ifdef BB_KILL			//bin
+    {"kill", kill_main},
+#endif
+#ifdef BB_LENGTH		//usr/bin
+    {"length", length_main},
+#endif
+#ifdef BB_LN			//bin
+    {"ln", dyadic_main},
+#endif
+#ifdef BB_LOADKMAP		//sbin
+    {"loadkmap", loadkmap_main},
+#endif
+#ifdef BB_LOSETUP		//sbin
+    {"losetup", losetup_main},
+#endif
+#ifdef BB_LS			//bin
+    {"ls", ls_main},
+#endif
+#ifdef BB_MAKEDEVS		//sbin
+    {"makedevs", makedevs_main},
+#endif
+#ifdef BB_MATH			//usr/bin
+    {"math", math_main},
+#endif
+#ifdef BB_MKDIR			//bin
+    {"mkdir", monadic_main},
+#endif
+#ifdef BB_MKNOD			//bin
+    {"mknod", mknod_main},
+#endif
+#ifdef BB_MKSWAP		//sbin
+    {"mkswap", mkswap_main},
+#endif
+#ifdef BB_MNC			//usr/bin
+    {"mnc", mnc_main},
+#endif
+#ifdef BB_MORE			//bin
+    {"more", cat_more_main},
+#endif
+#ifdef BB_MOUNT			//bin
+    {"mount", mount_main},
+#endif
+#ifdef BB_MT			//bin
+    {"mt", mt_main},
+#endif
+#ifdef BB_MV			//bin
+    {"mv", dyadic_main},
+#endif
+#ifdef BB_PRINTF		//usr/bin
+    {"printf", printf_main},
+#endif
+#ifdef BB_PWD			//bin
+    {"pwd", pwd_main},
+#endif
+#ifdef BB_REBOOT		//sbin
+    {"reboot", reboot_main},
+#endif
+#ifdef BB_RM			//bin
+    {"rm", rm_main},
+#endif
+#ifdef BB_RMDIR			//bin
+    {"rmdir", monadic_main},
+#endif
+#ifdef BB_SLEEP			//bin
+    {"sleep", sleep_main},
+#endif
+#ifdef BB_TAR			//bin
+    {"tar", tar_main},
+#endif
+#ifdef BB_SWAPOFF		//sbin
+    {"swapoff", monadic_main},
+#endif
+#ifdef BB_SWAPON		//sbin
+    {"swapon", monadic_main},
+#endif
+#ifdef BB_SYNC			//bin
+    {"sync", sync_main},
+#endif
+#ifdef BB_TOUCH			//usr/bin
+    {"touch", monadic_main},
+#endif
+#ifdef BB_TRUE			//bin
+    {"true", true_main},
+#endif
+#ifdef BB_UMOUNT		//bin
+    {"umount", umount_main},
+#endif
+#ifdef BB_UPDATE		//sbin
+    {"update", update_main},
+#endif
+#ifdef BB_ZCAT			//bin
+    {"zcat", zcat_main},
+    {"gunzip", zcat_main},
+#endif
+#ifdef BB_GZIP			//bin
+    {"gzip", gzip_main},
+#endif
+    {0}
+};
+
+int main(int argc, char **argv)
+{
+    char *s = argv[0];
+    char *name = argv[0];
+    const struct Applet *a = applets;
+
+    while (*s != '\0') {
+	if (*s++ == '/')
+	    name = s;
+    }
+
+    while (a->name != 0) {
+	if (strcmp(name, a->name) == 0) {
+	    int status;
+
+	    status = ((*(a->main)) (argc, argv));
+	    if (status < 0) {
+		fprintf(stderr, "%s: %s\n", a->name, strerror(errno));
+	    }
+	    fprintf(stderr, "\n");
+	    exit(status);
+	}
+	a++;
+    }
+    return (busybox_main(argc, argv));
+}
+
+
+int busybox_main(int argc, char **argv)
+{
+    argc--;
+    argv++;
+
+    /* If we've already been here once, exit now */
+    if (been_there_done_that == 1)
+	return -1;
+    been_there_done_that = 1;
+
+    if (argc < 1) {
+	const struct Applet *a = applets;
+	fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n",
+		BB_VER, BB_BT);
+	fprintf(stderr, "Usage: busybox [function] [arguments]...\n");
+	fprintf(stderr,
+		"\n\tMost people will create a symlink to busybox for each\n"
+		"\tfunction name, and busybox will act like whatever you invoke it as.\n");
+	fprintf(stderr, "\nCurrently defined functions:\n");
+
+	if (a->name != 0) {
+	    fprintf(stderr, "%s", a->name);
+	    a++;
+	}
+	while (a->name != 0) {
+	    fprintf(stderr, ", %s", a->name);
+	    a++;
+	}
+	fprintf(stderr, "\n\n");
+	exit(-1);
+    } else
+	return (main(argc, argv));
+}