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