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