#include "busybox.h"
#include <stdio.h>
#include <string.h>
+#include <unistd.h>
#include <errno.h>
+#include <stdlib.h>
+
+#undef APPLET
+#undef APPLET_NOUSAGE
+#undef PROTOTYPES
#include "applets.h"
#define bb_need_full_version
#include "messages.c"
static int been_there_done_that = 0;
-
-
const char *applet_name;
#ifdef BB_FEATURE_INSTALLER
if (len != -1) {
path[len] = 0;
} else {
- errorMsg("%s: %s\n", proc, strerror(errno));
+ perror_msg("%s", proc);
return NULL;
}
return strdup(path);
int i;
int rc;
- if (use_symbolic_links) Link = symlink;
+ if (use_symbolic_links)
+ Link = symlink;
for (i = 0; applets[i].name != NULL; i++) {
sprintf ( command, "%s/%s",
- install_dir[applets[i].location],
- applets[i].name);
+ install_dir[applets[i].location], applets[i].name);
rc = Link(busybox, command);
if (rc) {
- errorMsg("%s: %s\n", command, strerror(errno));
+ perror_msg("%s", command);
}
}
}
#endif /* BB_FEATURE_INSTALLER */
-static int applet_name_compare(const void *x, const void *y)
+int main(int argc, char **argv)
{
- const struct BB_applet *applet1 = x;
- const struct BB_applet *applet2 = y;
+ struct BB_applet *applet;
+ const char *s;
+
+ for (s = applet_name = argv[0]; *s != '\0';) {
+ if (*s++ == '/')
+ applet_name = s;
+ }
+
+#ifdef BB_SH
+ /* Add in a special case hack -- whenever **argv == '-'
+ * (i.e. '-su' or '-sh') always invoke the shell */
+ if (**argv == '-' && *(*argv+1)!= '-') {
+ exit(((*(shell_main)) (argc, argv)));
+ }
+#endif
- return strcmp(applet1->name, applet2->name);
+ /* Do a binary search to find the applet entry given the name. */
+ if ((applet = find_applet_by_name(applet_name)) != NULL) {
+ if (applet->usage && argv[1] && strcmp(argv[1], "--help") == 0)
+ usage(applet->usage);
+ exit((*(applet->main)) (argc, argv));
+ }
+
+ error_msg_and_die("applet not found");
}
-int main(int argc, char **argv)
+
+int busybox_main(int argc, char **argv)
{
- struct BB_applet search_applet, *applet;
- const char *s;
- applet_name = "busybox";
+ int col = 0, len, i;
#ifdef BB_FEATURE_INSTALLER
/*
}
#endif /* BB_FEATURE_INSTALLER */
- for (s = applet_name = argv[0]; *s != '\0';) {
- if (*s++ == '/')
- applet_name = s;
- }
-
- *argv = (char*)applet_name;
-
-#ifdef BB_SH
- /* Add in a special case hack -- whenever **argv == '-'
- * (i.e. '-su' or '-sh') always invoke the shell */
- if (**argv == '-' && *(*argv+1)!= '-') {
- exit(((*(shell_main)) (argc, argv)));
- }
-#endif
-
- /* Do a binary search to find the applet entry given the name. */
- search_applet.name = applet_name;
- applet = bsearch(&search_applet, applets, NUM_APPLETS,
- sizeof(struct BB_applet), applet_name_compare);
- if (applet != NULL)
- exit((*(applet->main)) (argc, argv));
-
- return(busybox_main(argc, argv));
-}
-
-
-int busybox_main(int argc, char **argv)
-{
- int col = 0;
-
argc--;
- argv++;
+ /* If we've already been here once, exit now */
if (been_there_done_that == 1 || argc < 1) {
const struct BB_applet *a = applets;
fprintf(stderr, "\n\n");
exit(-1);
}
- /* If we've already been here once, exit now */
+
+ /* Flag that we've been here already */
been_there_done_that = 1;
+
+ /* Move the command line down a notch */
+ len = argv[argc] + strlen(argv[argc]) - argv[1];
+ memmove(argv[0], argv[1], len);
+ memset(argv[0] + len, 0, argv[1] - argv[0]);
+
+ /* Fix up the argv pointers */
+ len = argv[1] - argv[0];
+ memmove(argv, argv + 1, sizeof(char *) * (argc + 1));
+ for (i = 0; i < argc; i++)
+ argv[i] -= len;
+
return (main(argc, argv));
}