Annotation of dietlibc/t.c, revision 1.98
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>
1.1 cvs 33:
1.71 fefe 34: int foo;
35:
1.97 fefe 36: int main(int argc,char *argv[]) {
1.98 ! fefe 37: char buf[100];
! 38: memset(buf,17,100);
! 39: buf[0]=0;
! 40: strncat(buf,"foobarbaz23",10);
! 41: puts(buf);
! 42: #if 0
1.97 fefe 43: int aflag = 0;
44: int bflag = 0;
45: char *cvalue = NULL;
46: int index;
47: int c;
48:
49: opterr = 1;
50:
51: while ((c = getopt (argc, argv, "abc:")) != -1)
52: switch (c)
53: {
54: case 'a':
55: aflag = 1;
56: break;
57: case 'b':
58: bflag = 1;
59: break;
60: case 'c':
61: cvalue = optarg;
62: break;
63: case '?':
64: if (isprint (optopt))
65: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
66: else
67: fprintf (stderr,
68: "Unknown option character `\\x%x'.\n",
69: optopt);
70: return 1;
71: default:
72: abort ();
73: }
1.96 fefe 74:
1.97 fefe 75: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
76: aflag, bflag, cvalue);
77:
78: for (index = optind; index < argc; index++)
79: printf ("Non-option argument %s\n", argv[index]);
80: return 0;
1.98 ! fefe 81: #endif
1.97 fefe 82: #if 0
1.96 fefe 83: char *t="foobar";
84: char *c;
85: char buf[1000];
86: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 87: #endif
1.89 fefe 88: #if 0
89: struct netent* n=getnetbyname("loopback");
90: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
91: #endif
92: #if 0
1.88 fefe 93: fprintf(stdout,"foo\n");
94: sleep(1);
95: fprintf(stdout,"bar");
96: fprintf(stderr,"blonk");
97: sleep(1);
98: fprintf(stdout,"\rbz");
99: sleep(1);
100: fprintf(stdout,"\n");
101: sleep(1);
1.89 fefe 102: #endif
1.87 fefe 103: #if 0
1.86 fefe 104: sigset_t s; /* sigsetops */
105:
106: sigemptyset(&s);
107: sigaddset(&s,SIGCHLD);
108: sigaddset(&s,SIGHUP);
109: sigsuspend(&s);
1.87 fefe 110: #endif
1.85 fefe 111: #if 0
1.84 fefe 112: char buf[1024];
113: FILE *f=popen("uname -srm","r");
114: fgets(buf,1023,f);
115: pclose(f);
116: write(1,buf,strlen(buf));
1.85 fefe 117: #endif
1.84 fefe 118: #if 0
1.82 fefe 119: char type[64];
1.83 fefe 120: char filename[256];
121: int major,minor;
1.82 fefe 122: int len;
1.83 fefe 123: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
124: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 125: #endif
1.82 fefe 126: #if 0
1.81 fefe 127: char buf[100];
128: char ip[16];
129: memset(ip,0,16);
130: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
131: puts(buf);
1.82 fefe 132: #endif
1.92 fefe 133: #if 0
1.76 fefe 134: struct addrinfo *ai;
1.78 fefe 135: struct addrinfo hints;
1.79 fefe 136: char buf[16];
1.78 fefe 137: hints.ai_family = AF_UNSPEC;
1.79 fefe 138: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 139: hints.ai_socktype = SOCK_STREAM;
1.91 fefe 140: printf("%d\n",getaddrinfo("borg","ssh",&hints,&ai));
1.76 fefe 141: while (ai) {
142: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
143: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
144: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
145: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
146: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 147: {
148: char buf[100];
149: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
150: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
151: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
152: printf(" %s\n",buf);
153: }
1.76 fefe 154: ai=ai->ai_next;
155: }
1.81 fefe 156: #endif
1.76 fefe 157: #if 0
1.71 fefe 158: int i=foo;
1.75 fefe 159: printf("load average is %3.2f\n",0.0);
1.76 fefe 160: #endif
1.70 fefe 161: #if 0
1.69 fefe 162: struct dirent **namelist;
163: int n;
1.16 fefe 164:
1.69 fefe 165: n = scandir(".", &namelist, 0, alphasort);
166: if (n < 0)
167: perror("scandir");
168: else {
169: while(n--) {
170: printf("%s\n", namelist[n]->d_name);
171: free(namelist[n]);
172: }
173: free(namelist);
174: }
1.70 fefe 175: #endif
1.68 fefe 176: #if 0
1.67 fefe 177: char foo[10]="none,zlib";
178: char *tmp,*tmp2=foo;
179: while (tmp=strsep(&tmp2,",")) {
180: puts(tmp);
181: }
1.68 fefe 182: #endif
1.65 fefe 183: #if 0
1.61 fefe 184: char foo[10];
1.64 fefe 185: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 186: strcpy(foo,"foo");
187: strncat(foo,"barbaz",3);
188: foo[6]=0;
189: puts(foo);
1.65 fefe 190: #endif
1.91 fefe 191: #if 0
1.58 fefe 192: struct hostent * host;
193: struct in_addr i;
1.57 fefe 194:
1.90 fefe 195: host = gethostbyname2("borg",AF_INET6);
1.57 fefe 196:
1.58 fefe 197: if (!host)
198: printf("host null\n");
1.57 fefe 199:
1.58 fefe 200: if (host && host->h_name) {
201: printf("name %s\n", host->h_name);
202: }
203: if (host && (host->h_addr_list)[0]) {
204: struct in_addr address;
205: address = *((struct in_addr *) (host->h_addr_list)[0]);
206: printf("addr %s\n", inet_ntoa(address));
207: }
1.59 fefe 208: #endif
1.57 fefe 209: #if 0
1.56 fefe 210: struct msgbuf bla;
211: bla.mtype=0;
212: bla.mtext[0]='x';
213: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 214: #endif
1.55 fefe 215: #if 0
1.54 fefe 216: char buf[PATH_MAX];
217: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 218: #endif
1.73 fefe 219: #if 0
1.53 fefe 220: regex_t t;
1.68 fefe 221: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 222: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 223: #endif
1.53 fefe 224: #if 0
1.52 fefe 225: float my_float = 9.2334;
226: char buffer[100];
227:
228: sprintf(buffer, "%.2f", my_float);
229: fprintf(stdout, "%s", buffer);
1.53 fefe 230: #endif
1.52 fefe 231: #if 0
1.51 fefe 232: printf("%d\n",setenv("foo","bar",0));
233: printf("%d\n",setenv("foo","bar",1));
234: execlp("printenv","printenv","foo",0);
1.52 fefe 235: #endif
1.60 fefe 236: #if 0
1.59 fefe 237: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 238: if (!fnmatch("s*", "sub", 0))
239: printf("s* sub\n");
240: if (!fnmatch("s*", "glob", 0))
241: printf("s* glob\n");
242: if (!fnmatch("s*b", "sub", 0))
243: printf("s*b sub\n");
244: if (!fnmatch("s*h", "sub", 0))
245: printf("s*h sub\n");
1.51 fefe 246: #endif
1.49 fefe 247: #if 0
1.48 fefe 248: char*tmp;
249: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
250: write(1,tmp,n);
251: free(tmp);
1.49 fefe 252: #endif
1.41 fefe 253: #if 0
1.40 fefe 254: struct passwd *p=getpwnam("leitner");
1.41 fefe 255: struct spwd *s=getspnam("leitner");
1.39 fefe 256: printf("%g\n",30.0123);
1.41 fefe 257: #endif
1.43 fefe 258: #if 0
1.42 fefe 259: initgroups("root",100);
1.43 fefe 260: #endif
1.38 fefe 261: #if 0
1.37 fefe 262: time_t t=time(0);
263: puts(asctime(localtime(&t)));
1.38 fefe 264: #endif
1.37 fefe 265: #if 0
1.36 fefe 266: struct servent *foo=getservbyname("ident","tcp");
267: if (foo)
268: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 269: #endif
1.35 fefe 270: #if 0
1.33 fefe 271: char buf[128];
272: strcpy(buf,"/tmp/foo.XXXXXXX");
273: printf("%d\n",mkstemp(buf));
1.34 fefe 274: printf("%s\n",buf);
275: unlink(buf);
1.35 fefe 276: #endif
1.33 fefe 277: #if 0
1.32 fefe 278: char buf[512]="foo";
279: strncat(buf,"barbaz",3);
280: puts(buf);
1.33 fefe 281: #endif
1.32 fefe 282: #if 0
1.31 fefe 283: time_t oink=time(0);
284: struct tm *duh=localtime(&oink);
285: strftime(buf,512,"%A %B %Y\n",duh);
286: puts(buf);
1.32 fefe 287: #endif
1.31 fefe 288: #if 0
1.28 fefe 289: struct in_addr bar;
290: struct hostent *foo;
1.29 fefe 291: /* inet_aton("160.45.10.8",&bar); */
292: foo=gethostbyname("zeit.fu-berlin.de");
293: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 294: if (foo)
295: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 296: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 297: #endif
1.18 fefe 298: #if 0
1.17 fefe 299: double d=0.0;
300: long long t=0x12345678ABCDEF01;
301: d/=0.0;
302: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 303: #endif
1.17 fefe 304: #if 0
1.16 fefe 305: int i,j;
306: long a,b,c;
307: int *res;
308: printf("%p\n",malloc(0));
309: qsort(array,2,sizeof(int),compint);
310: for (i=0; i<SIZE; ++i)
311: array[i]=rand();
312: rdtscl(a);
313: qsort(array,SIZE,sizeof(int),compint);
314: rdtscl(b);
315: j=array[LOOKFOR];
316: res=bsearch(&j,array,SIZE,sizeof(int),compint);
317: rdtscl(c);
318: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
319: for (i=0; i<SIZE-1; ++i)
320: if (array[i]>array[i+1]) {
321: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
322: return 1;
323: }
324: if (*res!=j)
325: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
326: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 327: #endif
1.13 fefe 328: #if 0
1.12 fefe 329: struct in_addr duh;
330: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
331: printf("%x\n",duh.s_addr);
1.13 fefe 332: #endif
1.12 fefe 333: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 334: #if 0
1.10 fefe 335: char buf[100];
336: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
337: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 338: #endif
1.9 fefe 339: #if 0
1.7 fefe 340: struct tm duh;
341: time_t t;
1.8 fefe 342: time(&t);
343: gmtime_r(&t,&duh);
344: printf("%s\n",asctime(&duh));
1.9 fefe 345: #endif
1.8 fefe 346: #if 0
1.7 fefe 347: char buf[30];
348: duh.tm_sec=42;
349: duh.tm_min=23;
350: duh.tm_hour=17;
351: duh.tm_mday=2;
352: duh.tm_mon=7;
353: duh.tm_year=100;
354: t=mktime(&duh);
355: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 356: #endif
1.2 fefe 357: #if 0
1.1 cvs 358: int i;
359: for (i=0; i<5; i++) {
360: fprintf(stdout,"first message\n");
361: fprintf(stdout,"second message\n");
362: fprintf(stdout,"third message\n");
363: printf("foo %d\n",i);
364: }
1.2 fefe 365: #endif
1.1 cvs 366: #if 0
367: char buf[1024];
368: sscanf("foo bar","%s",buf);
369: printf("%s\n",buf);
370: #endif
371: #if 0
372: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
373: perror("mount");
374: #endif
375: #if 0
376: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
377: int i=strtol(t+1,&t,10);
378: printf("%d %s\n",i,t);
379: #endif
380: #if 0
381: char **tmp;
382: putenv("FOO");
383: assert(1==2);
384: for (tmp=environ; *tmp; tmp++)
385: puts(*tmp);
386: #endif
387: #if 0
388: char buf[1024];
389: printf("%d\n",fprintf(stderr,"duh\n"));
390: #endif
391: #if 0
392: struct passwd *p=getpwuid(100);
393: puts(p->pw_name);
394: #endif
395: #if 0
396: int pid;
397: char name[32];
398: sscanf("1 (init","%d (%15c",&pid,name);
399: printf("pid %d name %s\n",pid,name);
400: #endif
401: #if 0
402: DIR *d=opendir("/proc");
403: if (d) {
404: struct dirent *D;
405: while (D=readdir(d))
406: puts(D->d_name);
407: closedir(d);
408: }
409: #endif
410: #if 0
411: char buf[1024];
412: int fd=open("/etc/passwd",0);
413: pread(fd,buf,30,32);
414: close(fd);
415: write(1,buf,32);
416: #endif
417: #if 0
418: char *argv[] = {"echo","foo",0};
419: char buf[100];
420: buf[5]='x';
421: sprintf(buf,"foo\n");
422: if (buf[5] == 'x')
423: exit(0);
424: else
425: exit(1);
426: execvp(argv[0],argv);
427: #endif
1.10 fefe 428: #if 0
1.1 cvs 429: struct stat64 f;
430: char buf[128];
431: fstat64(0,&f);
432: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
433: return 0;
434: #endif
435: #if 0
436: FILE *f=fopen("foo","w");
437: fputc('a',f);
438: fputc('b',f);
439: fputc('c',f);
440: #endif
441: /* fprintf(stdout,"foo\n"); */
442: }
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