Annotation of dietlibc/t.c, revision 1.108
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>
1.71 fefe 36:
1.107 fefe 37: extern int errno;
38:
1.97 fefe 39: int main(int argc,char *argv[]) {
1.105 fefe 40: #if 0
41: printf("%hd %hhd\n",-5,-1234567);
42: #endif
1.103 fefe 43: #if 0
1.102 fefe 44: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
45: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 46: #endif
1.102 fefe 47: #if 0
1.101 fefe 48: char buf[1024];
49: int len;
50: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 51: #endif
1.104 fefe 52: #if 0
1.100 fefe 53: regex_t t;
54: regmatch_t rm;
1.103 fefe 55: // regcomp(&t,"^ *read",0);
56: regcomp(&t,"^ *read",0);
57: printf("%d\n",regexec(&t," read",1,&rm,0));
1.100 fefe 58: printf("ofs %d\n",rm.rm_so);
1.101 fefe 59: #endif
1.100 fefe 60: #if 0
1.98 fefe 61: char buf[100];
1.99 fefe 62: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 63: #endif
1.99 fefe 64: #if 0
65: char buf[100];
1.98 fefe 66: memset(buf,17,100);
67: buf[0]=0;
68: strncat(buf,"foobarbaz23",10);
69: puts(buf);
1.99 fefe 70: #endif
1.98 fefe 71: #if 0
1.97 fefe 72: int aflag = 0;
73: int bflag = 0;
74: char *cvalue = NULL;
75: int index;
76: int c;
77:
78: opterr = 1;
79:
80: while ((c = getopt (argc, argv, "abc:")) != -1)
81: switch (c)
82: {
83: case 'a':
84: aflag = 1;
85: break;
86: case 'b':
87: bflag = 1;
88: break;
89: case 'c':
90: cvalue = optarg;
91: break;
92: case '?':
93: if (isprint (optopt))
94: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
95: else
96: fprintf (stderr,
97: "Unknown option character `\\x%x'.\n",
98: optopt);
99: return 1;
100: default:
101: abort ();
102: }
1.96 fefe 103:
1.97 fefe 104: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
105: aflag, bflag, cvalue);
106:
107: for (index = optind; index < argc; index++)
108: printf ("Non-option argument %s\n", argv[index]);
109: return 0;
1.98 fefe 110: #endif
1.97 fefe 111: #if 0
1.96 fefe 112: char *t="foobar";
113: char *c;
114: char buf[1000];
115: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 116: #endif
1.89 fefe 117: #if 0
118: struct netent* n=getnetbyname("loopback");
119: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
120: #endif
121: #if 0
1.88 fefe 122: fprintf(stdout,"foo\n");
123: sleep(1);
124: fprintf(stdout,"bar");
125: fprintf(stderr,"blonk");
126: sleep(1);
127: fprintf(stdout,"\rbz");
128: sleep(1);
129: fprintf(stdout,"\n");
130: sleep(1);
1.89 fefe 131: #endif
1.87 fefe 132: #if 0
1.86 fefe 133: sigset_t s; /* sigsetops */
134:
135: sigemptyset(&s);
136: sigaddset(&s,SIGCHLD);
137: sigaddset(&s,SIGHUP);
138: sigsuspend(&s);
1.87 fefe 139: #endif
1.85 fefe 140: #if 0
1.84 fefe 141: char buf[1024];
142: FILE *f=popen("uname -srm","r");
143: fgets(buf,1023,f);
144: pclose(f);
145: write(1,buf,strlen(buf));
1.85 fefe 146: #endif
1.84 fefe 147: #if 0
1.82 fefe 148: char type[64];
1.83 fefe 149: char filename[256];
150: int major,minor;
1.82 fefe 151: int len;
1.83 fefe 152: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
153: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 154: #endif
1.82 fefe 155: #if 0
1.81 fefe 156: char buf[100];
157: char ip[16];
158: memset(ip,0,16);
159: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
160: puts(buf);
1.82 fefe 161: #endif
1.107 fefe 162: #if 0
1.76 fefe 163: struct addrinfo *ai;
1.78 fefe 164: struct addrinfo hints;
1.79 fefe 165: char buf[16];
1.78 fefe 166: hints.ai_family = AF_UNSPEC;
1.79 fefe 167: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 168: hints.ai_socktype = SOCK_STREAM;
1.106 fefe 169: printf("%d\n",getaddrinfo("ftp.fu-berlin.de","ftp",0,&ai));
1.76 fefe 170: while (ai) {
171: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
172: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
173: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
174: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
175: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 176: {
177: char buf[100];
178: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
179: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
180: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
181: printf(" %s\n",buf);
182: }
1.76 fefe 183: ai=ai->ai_next;
184: }
1.81 fefe 185: #endif
1.76 fefe 186: #if 0
1.71 fefe 187: int i=foo;
1.75 fefe 188: printf("load average is %3.2f\n",0.0);
1.76 fefe 189: #endif
1.70 fefe 190: #if 0
1.69 fefe 191: struct dirent **namelist;
192: int n;
1.16 fefe 193:
1.69 fefe 194: n = scandir(".", &namelist, 0, alphasort);
195: if (n < 0)
196: perror("scandir");
197: else {
198: while(n--) {
199: printf("%s\n", namelist[n]->d_name);
200: free(namelist[n]);
201: }
202: free(namelist);
203: }
1.70 fefe 204: #endif
1.68 fefe 205: #if 0
1.67 fefe 206: char foo[10]="none,zlib";
207: char *tmp,*tmp2=foo;
208: while (tmp=strsep(&tmp2,",")) {
209: puts(tmp);
210: }
1.68 fefe 211: #endif
1.65 fefe 212: #if 0
1.61 fefe 213: char foo[10];
1.64 fefe 214: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 215: strcpy(foo,"foo");
216: strncat(foo,"barbaz",3);
217: foo[6]=0;
218: puts(foo);
1.65 fefe 219: #endif
1.91 fefe 220: #if 0
1.58 fefe 221: struct hostent * host;
222: struct in_addr i;
1.57 fefe 223:
1.90 fefe 224: host = gethostbyname2("borg",AF_INET6);
1.57 fefe 225:
1.58 fefe 226: if (!host)
227: printf("host null\n");
1.57 fefe 228:
1.58 fefe 229: if (host && host->h_name) {
230: printf("name %s\n", host->h_name);
231: }
232: if (host && (host->h_addr_list)[0]) {
233: struct in_addr address;
234: address = *((struct in_addr *) (host->h_addr_list)[0]);
235: printf("addr %s\n", inet_ntoa(address));
236: }
1.59 fefe 237: #endif
1.57 fefe 238: #if 0
1.56 fefe 239: struct msgbuf bla;
240: bla.mtype=0;
241: bla.mtext[0]='x';
242: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 243: #endif
1.55 fefe 244: #if 0
1.54 fefe 245: char buf[PATH_MAX];
246: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 247: #endif
1.73 fefe 248: #if 0
1.53 fefe 249: regex_t t;
1.68 fefe 250: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 251: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 252: #endif
1.53 fefe 253: #if 0
1.52 fefe 254: float my_float = 9.2334;
255: char buffer[100];
256:
257: sprintf(buffer, "%.2f", my_float);
258: fprintf(stdout, "%s", buffer);
1.53 fefe 259: #endif
1.52 fefe 260: #if 0
1.51 fefe 261: printf("%d\n",setenv("foo","bar",0));
262: printf("%d\n",setenv("foo","bar",1));
263: execlp("printenv","printenv","foo",0);
1.52 fefe 264: #endif
1.106 fefe 265: #if 0
1.59 fefe 266: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 267: if (!fnmatch("s*", "sub", 0))
268: printf("s* sub\n");
269: if (!fnmatch("s*", "glob", 0))
270: printf("s* glob\n");
271: if (!fnmatch("s*b", "sub", 0))
272: printf("s*b sub\n");
273: if (!fnmatch("s*h", "sub", 0))
274: printf("s*h sub\n");
1.51 fefe 275: #endif
1.49 fefe 276: #if 0
1.48 fefe 277: char*tmp;
278: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
279: write(1,tmp,n);
280: free(tmp);
1.49 fefe 281: #endif
1.41 fefe 282: #if 0
1.40 fefe 283: struct passwd *p=getpwnam("leitner");
1.41 fefe 284: struct spwd *s=getspnam("leitner");
1.39 fefe 285: printf("%g\n",30.0123);
1.41 fefe 286: #endif
1.43 fefe 287: #if 0
1.42 fefe 288: initgroups("root",100);
1.43 fefe 289: #endif
1.38 fefe 290: #if 0
1.37 fefe 291: time_t t=time(0);
292: puts(asctime(localtime(&t)));
1.38 fefe 293: #endif
1.37 fefe 294: #if 0
1.36 fefe 295: struct servent *foo=getservbyname("ident","tcp");
296: if (foo)
297: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 298: #endif
1.35 fefe 299: #if 0
1.33 fefe 300: char buf[128];
301: strcpy(buf,"/tmp/foo.XXXXXXX");
302: printf("%d\n",mkstemp(buf));
1.34 fefe 303: printf("%s\n",buf);
304: unlink(buf);
1.35 fefe 305: #endif
1.33 fefe 306: #if 0
1.32 fefe 307: char buf[512]="foo";
308: strncat(buf,"barbaz",3);
309: puts(buf);
1.33 fefe 310: #endif
1.32 fefe 311: #if 0
1.31 fefe 312: time_t oink=time(0);
313: struct tm *duh=localtime(&oink);
314: strftime(buf,512,"%A %B %Y\n",duh);
315: puts(buf);
1.32 fefe 316: #endif
1.31 fefe 317: #if 0
1.28 fefe 318: struct in_addr bar;
319: struct hostent *foo;
1.29 fefe 320: /* inet_aton("160.45.10.8",&bar); */
321: foo=gethostbyname("zeit.fu-berlin.de");
322: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 323: if (foo)
324: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 325: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 326: #endif
1.18 fefe 327: #if 0
1.17 fefe 328: double d=0.0;
329: long long t=0x12345678ABCDEF01;
330: d/=0.0;
331: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 332: #endif
1.17 fefe 333: #if 0
1.16 fefe 334: int i,j;
335: long a,b,c;
336: int *res;
337: printf("%p\n",malloc(0));
338: qsort(array,2,sizeof(int),compint);
339: for (i=0; i<SIZE; ++i)
340: array[i]=rand();
341: rdtscl(a);
342: qsort(array,SIZE,sizeof(int),compint);
343: rdtscl(b);
344: j=array[LOOKFOR];
345: res=bsearch(&j,array,SIZE,sizeof(int),compint);
346: rdtscl(c);
347: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
348: for (i=0; i<SIZE-1; ++i)
349: if (array[i]>array[i+1]) {
350: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
351: return 1;
352: }
353: if (*res!=j)
354: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
355: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 356: #endif
1.13 fefe 357: #if 0
1.12 fefe 358: struct in_addr duh;
359: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
360: printf("%x\n",duh.s_addr);
1.13 fefe 361: #endif
1.12 fefe 362: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 363: #if 0
1.10 fefe 364: char buf[100];
365: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
366: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 367: #endif
1.9 fefe 368: #if 0
1.7 fefe 369: struct tm duh;
370: time_t t;
1.8 fefe 371: time(&t);
372: gmtime_r(&t,&duh);
373: printf("%s\n",asctime(&duh));
1.9 fefe 374: #endif
1.8 fefe 375: #if 0
1.7 fefe 376: char buf[30];
377: duh.tm_sec=42;
378: duh.tm_min=23;
379: duh.tm_hour=17;
380: duh.tm_mday=2;
381: duh.tm_mon=7;
382: duh.tm_year=100;
383: t=mktime(&duh);
384: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 385: #endif
1.2 fefe 386: #if 0
1.1 cvs 387: int i;
388: for (i=0; i<5; i++) {
389: fprintf(stdout,"first message\n");
390: fprintf(stdout,"second message\n");
391: fprintf(stdout,"third message\n");
392: printf("foo %d\n",i);
393: }
1.2 fefe 394: #endif
1.1 cvs 395: #if 0
396: char buf[1024];
397: sscanf("foo bar","%s",buf);
398: printf("%s\n",buf);
399: #endif
400: #if 0
401: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
402: perror("mount");
403: #endif
404: #if 0
405: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
406: int i=strtol(t+1,&t,10);
407: printf("%d %s\n",i,t);
408: #endif
409: #if 0
410: char **tmp;
411: putenv("FOO");
412: assert(1==2);
413: for (tmp=environ; *tmp; tmp++)
414: puts(*tmp);
415: #endif
416: #if 0
417: char buf[1024];
418: printf("%d\n",fprintf(stderr,"duh\n"));
419: #endif
420: #if 0
421: struct passwd *p=getpwuid(100);
422: puts(p->pw_name);
423: #endif
424: #if 0
425: int pid;
426: char name[32];
427: sscanf("1 (init","%d (%15c",&pid,name);
428: printf("pid %d name %s\n",pid,name);
429: #endif
1.108 ! fefe 430: #if 1
1.1 cvs 431: DIR *d=opendir("/proc");
432: if (d) {
433: struct dirent *D;
434: while (D=readdir(d))
435: puts(D->d_name);
436: closedir(d);
437: }
438: #endif
439: #if 0
440: char buf[1024];
441: int fd=open("/etc/passwd",0);
442: pread(fd,buf,30,32);
443: close(fd);
444: write(1,buf,32);
445: #endif
446: #if 0
447: char *argv[] = {"echo","foo",0};
448: char buf[100];
449: buf[5]='x';
450: sprintf(buf,"foo\n");
451: if (buf[5] == 'x')
452: exit(0);
453: else
454: exit(1);
455: execvp(argv[0],argv);
456: #endif
1.10 fefe 457: #if 0
1.1 cvs 458: struct stat64 f;
459: char buf[128];
460: fstat64(0,&f);
461: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
462: return 0;
463: #endif
464: #if 0
465: FILE *f=fopen("foo","w");
466: fputc('a',f);
467: fputc('b',f);
468: fputc('c',f);
469: #endif
470: /* fprintf(stdout,"foo\n"); */
471: }
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