#include <stdio.h> #include <stdlib.h> #include <string.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 }, }; int main(int argc, char **argv) { int i; char *name = argv[0]; 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; }