blob: 915da440cebd70ce9363a09f23a69b78b798a930 [file] [log] [blame] [edit]
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main(int, char **);
static int toolbox_main(int argc, char **argv)
{
// "toolbox foo ..." is equivalent to "foo ..."
if (argc > 1) {
return main(argc - 1, argv + 1);
} else {
printf("Toolbox!\n");
return 0;
}
}
#define TOOL(name) int name##_main(int, char**);
#include "tools.h"
#undef TOOL
static struct
{
const char *name;
int (*func)(int, char**);
} tools[] = {
{ "toolbox", toolbox_main },
#define TOOL(name) { #name, name##_main },
#include "tools.h"
#undef TOOL
{ 0, 0 },
};
static void SIGPIPE_handler(int signal) {
// Those desktop Linux tools that catch SIGPIPE seem to agree that it's
// a successful way to exit, not a failure. (Which makes sense --- we were
// told to stop by a reader, rather than failing to continue ourselves.)
_exit(0);
}
int main(int argc, char **argv)
{
int i;
char *name = argv[0];
// Let's assume that none of this code handles broken pipes. At least ls,
// ps, and top were broken (though I'd previously added this fix locally
// to top). We exit rather than use SIG_IGN because tools like top will
// just keep on writing to nowhere forever if we don't stop them.
signal(SIGPIPE, SIGPIPE_handler);
if((argc > 1) && (argv[1][0] == '@')) {
name = argv[1] + 1;
argc--;
argv++;
} else {
char *cmd = strrchr(argv[0], '/');
if (cmd)
name = cmd + 1;
}
for(i = 0; tools[i].name; i++){
if(!strcmp(tools[i].name, name)){
return tools[i].func(argc, argv);
}
}
printf("%s: no such tool\n", argv[0]);
return -1;
}