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