Annotation of dietlibc/t.c, revision 1.129
1.56 fefe 1: #define _GNU_SOURCE
1.47 fefe 2: #define _FILE_OFFSET_BITS 64
1.1 cvs 3: #include <unistd.h>
4: #include <endian.h>
5: #include <stdlib.h>
6: #include <dirent.h>
7: #include <pwd.h>
1.40 fefe 8: #include <shadow.h>
1.1 cvs 9: #include <stdio.h>
10: #include <assert.h>
11: #include <sys/mount.h>
1.7 fefe 12: #include <time.h>
1.9 fefe 13: #include <sys/stat.h>
1.10 fefe 14: #include <stdio.h>
1.12 fefe 15: #include <arpa/inet.h>
1.13 fefe 16: #include <sys/sem.h>
1.14 fefe 17: #include <sys/shm.h>
1.17 fefe 18: #include <math.h>
1.20 fefe 19: #include <termios.h>
1.22 fefe 20: #include <netdb.h>
1.38 fefe 21: #include <sys/mman.h>
1.45 fefe 22: #include <ctype.h>
1.49 fefe 23: #include <mntent.h>
1.53 fefe 24: #include <regex.h>
1.56 fefe 25: #include <sys/types.h>
26: #include <sys/msg.h>
1.63 fefe 27: #include <string.h>
1.76 fefe 28: #include <sys/socket.h>
29: #include <netdb.h>
1.86 fefe 30: #include <signal.h>
1.88 fefe 31: #include <sys/io.h>
1.97 fefe 32: #include <getopt.h>
1.101 fefe 33: #include <arpa/nameser.h>
34: #include <resolv.h>
1.102 fefe 35: #include <fnmatch.h>
1.109 fefe 36: #include <stdarg.h>
1.118 fefe 37: #include <sys/wait.h>
1.71 fefe 38:
1.121 fefe 39: #include <errno.h>
40: #include <syslog.h>
41: #include <sys/un.h>
42: #include <fcntl.h>
43:
44: #if 0
45: static const char* Ident;
46: static int Option;
47: static int Facility;
48: static struct sockaddr_un sock;
49: static int fd=-1;
50:
51: static void syslogconnect(void) {
52: sock.sun_family=AF_UNIX;
53: strcpy(sock.sun_path,"/dev/log");
54: if ((fd=socket(AF_UNIX,SOCK_STREAM,0))==-1) return;
55: if (connect(fd,(struct sockaddr*)&sock,sizeof(sock))==-1) {
56: int save=errno;
57: close(fd);
58: fd=-1;
1.109 fefe 59: }
1.121 fefe 60: fcntl(fd,F_SETFL,FD_CLOEXEC); /* doesn't work? too bad */
1.109 fefe 61: }
1.107 fefe 62:
1.121 fefe 63: void openlog(const char *ident, int option, int facility) {
64: Ident=ident;
65: Option=option;
66: Facility=facility;
67: syslogconnect();
1.116 fefe 68: }
69:
1.121 fefe 70: void syslog(int priority, const char *format, ...) {
71: /* write(fd,"<13>Jun 29 19:21:32 leitner: fnord",...) */
72: }
73:
74: void closelog(void) {
75: }
76: #endif
77:
1.97 fefe 78: int main(int argc,char *argv[]) {
1.129 ! fefe 79: #if 0
! 80: printf("0x%8.7lx\n",0xfefe);
! 81: #endif
! 82: #if 0
1.128 fefe 83: puts(ttyname(0));
1.129 ! fefe 84: #endif
1.125 fefe 85: #if 0
86: char buf[1024];
87: struct hostent* r;
88: while (r=gethostent_r(buf,1024)) {
89: if (r && r->h_name) {
90: printf("name %s\n", r->h_name);
91: }
92: if (r && (r->h_addr_list)[0]) {
93: struct in_addr address;
94: address = *((struct in_addr *) (r->h_addr_list)[0]);
95: printf("addr %s\n", inet_ntoa(address));
96: }
97: }
98: #endif
99: #if 0
1.124 fefe 100: char *tmp;
101: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 102: #endif
1.128 fefe 103: #if 0
1.123 fefe 104: struct mntent* me;
1.127 fefe 105: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 106: while (me=getmntent(f)) {
107: printf("%s %s %s %s %d %d\n",me->mnt_fsname,me->mnt_dir,me->mnt_type,me->mnt_opts,me->mnt_freq,me->mnt_passno);
108: }
1.124 fefe 109: #endif
1.123 fefe 110: #if 0
111: char *tmp;
112: printf("%x\n",strtol("0Xffff",&tmp,16));
113: #endif
1.122 fefe 114: // putchar('c');
115: // write(1,"fnord\n",6);
1.120 fefe 116: #if 0
1.121 fefe 117: struct addrinfo *ai;
118: getaddrinfo("ftp.fu-berlin.de","ftp",0,&ai);
119: #endif
1.122 fefe 120: #if 0
1.121 fefe 121: struct hostent host,*res;
122: char buf[4096];
123: int fnord;
124:
125: gethostbyname2_r("knuth",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 126: #endif
1.121 fefe 127: #if 0
1.119 fefe 128: char buf[128];
1.120 fefe 129: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 130: printf("%d\n",mkdtemp(buf));
131: printf("%s\n",buf);
1.120 fefe 132: #endif
1.119 fefe 133: #if 0
1.118 fefe 134: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 135: #endif
1.113 fefe 136: #if 0
1.109 fefe 137: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 138: assert(0);
1.113 fefe 139: #endif
1.105 fefe 140: #if 0
141: printf("%hd %hhd\n",-5,-1234567);
142: #endif
1.103 fefe 143: #if 0
1.102 fefe 144: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
145: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 146: #endif
1.102 fefe 147: #if 0
1.101 fefe 148: char buf[1024];
149: int len;
150: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 151: #endif
1.114 fefe 152: #if 0
1.100 fefe 153: regex_t t;
154: regmatch_t rm;
1.103 fefe 155: // regcomp(&t,"^ *read",0);
1.113 fefe 156: regcomp(&t,"\\<foo\\>",0);
157: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 158: printf("ofs %d\n",rm.rm_so);
1.101 fefe 159: #endif
1.100 fefe 160: #if 0
1.98 fefe 161: char buf[100];
1.99 fefe 162: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 163: #endif
1.99 fefe 164: #if 0
165: char buf[100];
1.98 fefe 166: memset(buf,17,100);
167: buf[0]=0;
168: strncat(buf,"foobarbaz23",10);
169: puts(buf);
1.99 fefe 170: #endif
1.98 fefe 171: #if 0
1.97 fefe 172: int aflag = 0;
173: int bflag = 0;
174: char *cvalue = NULL;
175: int index;
176: int c;
177:
178: opterr = 1;
179:
180: while ((c = getopt (argc, argv, "abc:")) != -1)
181: switch (c)
182: {
183: case 'a':
184: aflag = 1;
185: break;
186: case 'b':
187: bflag = 1;
188: break;
189: case 'c':
190: cvalue = optarg;
191: break;
192: case '?':
193: if (isprint (optopt))
194: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
195: else
196: fprintf (stderr,
197: "Unknown option character `\\x%x'.\n",
198: optopt);
199: return 1;
200: default:
201: abort ();
202: }
1.96 fefe 203:
1.97 fefe 204: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
205: aflag, bflag, cvalue);
206:
207: for (index = optind; index < argc; index++)
208: printf ("Non-option argument %s\n", argv[index]);
209: return 0;
1.98 fefe 210: #endif
1.97 fefe 211: #if 0
1.96 fefe 212: char *t="foobar";
213: char *c;
214: char buf[1000];
215: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 216: #endif
1.89 fefe 217: #if 0
218: struct netent* n=getnetbyname("loopback");
219: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
220: #endif
221: #if 0
1.88 fefe 222: fprintf(stdout,"foo\n");
223: sleep(1);
224: fprintf(stdout,"bar");
225: fprintf(stderr,"blonk");
226: sleep(1);
227: fprintf(stdout,"\rbz");
228: sleep(1);
229: fprintf(stdout,"\n");
230: sleep(1);
1.89 fefe 231: #endif
1.87 fefe 232: #if 0
1.86 fefe 233: sigset_t s; /* sigsetops */
234:
235: sigemptyset(&s);
236: sigaddset(&s,SIGCHLD);
237: sigaddset(&s,SIGHUP);
238: sigsuspend(&s);
1.87 fefe 239: #endif
1.85 fefe 240: #if 0
1.84 fefe 241: char buf[1024];
242: FILE *f=popen("uname -srm","r");
243: fgets(buf,1023,f);
244: pclose(f);
245: write(1,buf,strlen(buf));
1.85 fefe 246: #endif
1.84 fefe 247: #if 0
1.82 fefe 248: char type[64];
1.83 fefe 249: char filename[256];
250: int major,minor;
1.82 fefe 251: int len;
1.83 fefe 252: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
253: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 254: #endif
1.82 fefe 255: #if 0
1.81 fefe 256: char buf[100];
257: char ip[16];
258: memset(ip,0,16);
259: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
260: puts(buf);
1.82 fefe 261: #endif
1.127 fefe 262: #if 0
1.76 fefe 263: struct addrinfo *ai;
1.78 fefe 264: struct addrinfo hints;
1.79 fefe 265: char buf[16];
1.78 fefe 266: hints.ai_family = AF_UNSPEC;
1.79 fefe 267: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 268: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 269: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 270: while (ai) {
271: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
272: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
273: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
274: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
275: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 276: {
277: char buf[100];
278: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
279: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
280: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
281: printf(" %s\n",buf);
282: }
1.76 fefe 283: ai=ai->ai_next;
284: }
1.81 fefe 285: #endif
1.76 fefe 286: #if 0
1.71 fefe 287: int i=foo;
1.75 fefe 288: printf("load average is %3.2f\n",0.0);
1.76 fefe 289: #endif
1.70 fefe 290: #if 0
1.69 fefe 291: struct dirent **namelist;
292: int n;
1.16 fefe 293:
1.69 fefe 294: n = scandir(".", &namelist, 0, alphasort);
295: if (n < 0)
296: perror("scandir");
297: else {
298: while(n--) {
299: printf("%s\n", namelist[n]->d_name);
300: free(namelist[n]);
301: }
302: free(namelist);
303: }
1.70 fefe 304: #endif
1.68 fefe 305: #if 0
1.67 fefe 306: char foo[10]="none,zlib";
307: char *tmp,*tmp2=foo;
308: while (tmp=strsep(&tmp2,",")) {
309: puts(tmp);
310: }
1.68 fefe 311: #endif
1.65 fefe 312: #if 0
1.61 fefe 313: char foo[10];
1.64 fefe 314: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 315: strcpy(foo,"foo");
316: strncat(foo,"barbaz",3);
317: foo[6]=0;
318: puts(foo);
1.65 fefe 319: #endif
1.115 fefe 320: #if 0
1.58 fefe 321: struct hostent * host;
322: struct in_addr i;
1.57 fefe 323:
1.110 fefe 324: host = gethostbyname2("knuth",AF_INET);
1.57 fefe 325:
1.58 fefe 326: if (!host)
327: printf("host null\n");
1.57 fefe 328:
1.58 fefe 329: if (host && host->h_name) {
330: printf("name %s\n", host->h_name);
331: }
332: if (host && (host->h_addr_list)[0]) {
333: struct in_addr address;
334: address = *((struct in_addr *) (host->h_addr_list)[0]);
335: printf("addr %s\n", inet_ntoa(address));
336: }
1.59 fefe 337: #endif
1.57 fefe 338: #if 0
1.56 fefe 339: struct msgbuf bla;
340: bla.mtype=0;
341: bla.mtext[0]='x';
342: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 343: #endif
1.55 fefe 344: #if 0
1.54 fefe 345: char buf[PATH_MAX];
346: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 347: #endif
1.73 fefe 348: #if 0
1.53 fefe 349: regex_t t;
1.68 fefe 350: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 351: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 352: #endif
1.53 fefe 353: #if 0
1.52 fefe 354: float my_float = 9.2334;
355: char buffer[100];
356:
357: sprintf(buffer, "%.2f", my_float);
358: fprintf(stdout, "%s", buffer);
1.53 fefe 359: #endif
1.52 fefe 360: #if 0
1.51 fefe 361: printf("%d\n",setenv("foo","bar",0));
362: printf("%d\n",setenv("foo","bar",1));
363: execlp("printenv","printenv","foo",0);
1.52 fefe 364: #endif
1.106 fefe 365: #if 0
1.59 fefe 366: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 367: if (!fnmatch("s*", "sub", 0))
368: printf("s* sub\n");
369: if (!fnmatch("s*", "glob", 0))
370: printf("s* glob\n");
371: if (!fnmatch("s*b", "sub", 0))
372: printf("s*b sub\n");
373: if (!fnmatch("s*h", "sub", 0))
374: printf("s*h sub\n");
1.51 fefe 375: #endif
1.49 fefe 376: #if 0
1.48 fefe 377: char*tmp;
378: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
379: write(1,tmp,n);
380: free(tmp);
1.49 fefe 381: #endif
1.41 fefe 382: #if 0
1.40 fefe 383: struct passwd *p=getpwnam("leitner");
1.41 fefe 384: struct spwd *s=getspnam("leitner");
1.39 fefe 385: printf("%g\n",30.0123);
1.41 fefe 386: #endif
1.43 fefe 387: #if 0
1.42 fefe 388: initgroups("root",100);
1.43 fefe 389: #endif
1.38 fefe 390: #if 0
1.37 fefe 391: time_t t=time(0);
392: puts(asctime(localtime(&t)));
1.38 fefe 393: #endif
1.37 fefe 394: #if 0
1.36 fefe 395: struct servent *foo=getservbyname("ident","tcp");
396: if (foo)
397: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 398: #endif
1.121 fefe 399: #if 0
1.33 fefe 400: char buf[128];
1.120 fefe 401: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 402: printf("%d\n",mkstemp(buf));
1.34 fefe 403: printf("%s\n",buf);
404: unlink(buf);
1.35 fefe 405: #endif
1.33 fefe 406: #if 0
1.32 fefe 407: char buf[512]="foo";
408: strncat(buf,"barbaz",3);
409: puts(buf);
1.33 fefe 410: #endif
1.32 fefe 411: #if 0
1.31 fefe 412: time_t oink=time(0);
413: struct tm *duh=localtime(&oink);
414: strftime(buf,512,"%A %B %Y\n",duh);
415: puts(buf);
1.32 fefe 416: #endif
1.126 fefe 417: #if 0
1.28 fefe 418: struct in_addr bar;
419: struct hostent *foo;
1.125 fefe 420: inet_aton("160.45.10.8",&bar);
421: /* foo=gethostbyname("zeit.fu-berlin.de"); */
422: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 423: if (foo)
424: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 425: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 426: #endif
1.18 fefe 427: #if 0
1.17 fefe 428: double d=0.0;
429: long long t=0x12345678ABCDEF01;
430: d/=0.0;
431: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 432: #endif
1.17 fefe 433: #if 0
1.16 fefe 434: int i,j;
435: long a,b,c;
436: int *res;
437: printf("%p\n",malloc(0));
438: qsort(array,2,sizeof(int),compint);
439: for (i=0; i<SIZE; ++i)
440: array[i]=rand();
441: rdtscl(a);
442: qsort(array,SIZE,sizeof(int),compint);
443: rdtscl(b);
444: j=array[LOOKFOR];
445: res=bsearch(&j,array,SIZE,sizeof(int),compint);
446: rdtscl(c);
447: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
448: for (i=0; i<SIZE-1; ++i)
449: if (array[i]>array[i+1]) {
450: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
451: return 1;
452: }
453: if (*res!=j)
454: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
455: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 456: #endif
1.13 fefe 457: #if 0
1.12 fefe 458: struct in_addr duh;
459: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
460: printf("%x\n",duh.s_addr);
1.13 fefe 461: #endif
1.12 fefe 462: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 463: #if 0
1.10 fefe 464: char buf[100];
465: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
466: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 467: #endif
1.9 fefe 468: #if 0
1.7 fefe 469: struct tm duh;
470: time_t t;
1.8 fefe 471: time(&t);
472: gmtime_r(&t,&duh);
473: printf("%s\n",asctime(&duh));
1.9 fefe 474: #endif
1.8 fefe 475: #if 0
1.7 fefe 476: char buf[30];
477: duh.tm_sec=42;
478: duh.tm_min=23;
479: duh.tm_hour=17;
480: duh.tm_mday=2;
481: duh.tm_mon=7;
482: duh.tm_year=100;
483: t=mktime(&duh);
484: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 485: #endif
1.2 fefe 486: #if 0
1.1 cvs 487: int i;
488: for (i=0; i<5; i++) {
489: fprintf(stdout,"first message\n");
490: fprintf(stdout,"second message\n");
491: fprintf(stdout,"third message\n");
492: printf("foo %d\n",i);
493: }
1.2 fefe 494: #endif
1.1 cvs 495: #if 0
496: char buf[1024];
497: sscanf("foo bar","%s",buf);
498: printf("%s\n",buf);
499: #endif
500: #if 0
501: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
502: perror("mount");
503: #endif
504: #if 0
505: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
506: int i=strtol(t+1,&t,10);
507: printf("%d %s\n",i,t);
508: #endif
509: #if 0
510: char **tmp;
1.115 fefe 511: putenv("A=foo");
1.1 cvs 512: for (tmp=environ; *tmp; tmp++)
513: puts(*tmp);
514: #endif
515: #if 0
516: char buf[1024];
517: printf("%d\n",fprintf(stderr,"duh\n"));
518: #endif
519: #if 0
520: struct passwd *p=getpwuid(100);
521: puts(p->pw_name);
522: #endif
523: #if 0
524: int pid;
525: char name[32];
526: sscanf("1 (init","%d (%15c",&pid,name);
527: printf("pid %d name %s\n",pid,name);
528: #endif
1.109 fefe 529: #if 0
1.1 cvs 530: DIR *d=opendir("/proc");
531: if (d) {
532: struct dirent *D;
533: while (D=readdir(d))
534: puts(D->d_name);
535: closedir(d);
536: }
537: #endif
538: #if 0
539: char buf[1024];
540: int fd=open("/etc/passwd",0);
541: pread(fd,buf,30,32);
542: close(fd);
543: write(1,buf,32);
544: #endif
545: #if 0
546: char *argv[] = {"echo","foo",0};
547: char buf[100];
548: buf[5]='x';
549: sprintf(buf,"foo\n");
550: if (buf[5] == 'x')
551: exit(0);
552: else
553: exit(1);
554: execvp(argv[0],argv);
555: #endif
1.10 fefe 556: #if 0
1.1 cvs 557: struct stat64 f;
558: char buf[128];
559: fstat64(0,&f);
560: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
561: return 0;
562: #endif
563: #if 0
564: FILE *f=fopen("foo","w");
565: fputc('a',f);
566: fputc('b',f);
567: fputc('c',f);
568: #endif
569: /* fprintf(stdout,"foo\n"); */
570: }
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