Annotation of dietlibc/t.c, revision 1.115
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>
1.71 fefe 37:
1.109 fefe 38: void fnord(char*x,...) {
39: int i;
40: va_list v;
41: va_start(v,x);
42: for (i=0; i<10; ++i) {
43: char *tmp=va_arg(v,char*);
44: if (!tmp) break;
45: write(1,tmp,strlen(tmp));
46: }
47: }
1.107 fefe 48:
1.97 fefe 49: int main(int argc,char *argv[]) {
1.113 fefe 50: #if 0
1.109 fefe 51: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 52: assert(0);
1.113 fefe 53: #endif
1.105 fefe 54: #if 0
55: printf("%hd %hhd\n",-5,-1234567);
56: #endif
1.103 fefe 57: #if 0
1.102 fefe 58: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
59: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 60: #endif
1.102 fefe 61: #if 0
1.101 fefe 62: char buf[1024];
63: int len;
64: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 65: #endif
1.114 fefe 66: #if 0
1.100 fefe 67: regex_t t;
68: regmatch_t rm;
1.103 fefe 69: // regcomp(&t,"^ *read",0);
1.113 fefe 70: regcomp(&t,"\\<foo\\>",0);
71: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 72: printf("ofs %d\n",rm.rm_so);
1.101 fefe 73: #endif
1.100 fefe 74: #if 0
1.98 fefe 75: char buf[100];
1.99 fefe 76: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 77: #endif
1.99 fefe 78: #if 0
79: char buf[100];
1.98 fefe 80: memset(buf,17,100);
81: buf[0]=0;
82: strncat(buf,"foobarbaz23",10);
83: puts(buf);
1.99 fefe 84: #endif
1.98 fefe 85: #if 0
1.97 fefe 86: int aflag = 0;
87: int bflag = 0;
88: char *cvalue = NULL;
89: int index;
90: int c;
91:
92: opterr = 1;
93:
94: while ((c = getopt (argc, argv, "abc:")) != -1)
95: switch (c)
96: {
97: case 'a':
98: aflag = 1;
99: break;
100: case 'b':
101: bflag = 1;
102: break;
103: case 'c':
104: cvalue = optarg;
105: break;
106: case '?':
107: if (isprint (optopt))
108: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
109: else
110: fprintf (stderr,
111: "Unknown option character `\\x%x'.\n",
112: optopt);
113: return 1;
114: default:
115: abort ();
116: }
1.96 fefe 117:
1.97 fefe 118: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
119: aflag, bflag, cvalue);
120:
121: for (index = optind; index < argc; index++)
122: printf ("Non-option argument %s\n", argv[index]);
123: return 0;
1.98 fefe 124: #endif
1.97 fefe 125: #if 0
1.96 fefe 126: char *t="foobar";
127: char *c;
128: char buf[1000];
129: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 130: #endif
1.89 fefe 131: #if 0
132: struct netent* n=getnetbyname("loopback");
133: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
134: #endif
135: #if 0
1.88 fefe 136: fprintf(stdout,"foo\n");
137: sleep(1);
138: fprintf(stdout,"bar");
139: fprintf(stderr,"blonk");
140: sleep(1);
141: fprintf(stdout,"\rbz");
142: sleep(1);
143: fprintf(stdout,"\n");
144: sleep(1);
1.89 fefe 145: #endif
1.87 fefe 146: #if 0
1.86 fefe 147: sigset_t s; /* sigsetops */
148:
149: sigemptyset(&s);
150: sigaddset(&s,SIGCHLD);
151: sigaddset(&s,SIGHUP);
152: sigsuspend(&s);
1.87 fefe 153: #endif
1.85 fefe 154: #if 0
1.84 fefe 155: char buf[1024];
156: FILE *f=popen("uname -srm","r");
157: fgets(buf,1023,f);
158: pclose(f);
159: write(1,buf,strlen(buf));
1.85 fefe 160: #endif
1.84 fefe 161: #if 0
1.82 fefe 162: char type[64];
1.83 fefe 163: char filename[256];
164: int major,minor;
1.82 fefe 165: int len;
1.83 fefe 166: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
167: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 168: #endif
1.82 fefe 169: #if 0
1.81 fefe 170: char buf[100];
171: char ip[16];
172: memset(ip,0,16);
173: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
174: puts(buf);
1.82 fefe 175: #endif
1.107 fefe 176: #if 0
1.76 fefe 177: struct addrinfo *ai;
1.78 fefe 178: struct addrinfo hints;
1.79 fefe 179: char buf[16];
1.78 fefe 180: hints.ai_family = AF_UNSPEC;
1.79 fefe 181: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 182: hints.ai_socktype = SOCK_STREAM;
1.106 fefe 183: printf("%d\n",getaddrinfo("ftp.fu-berlin.de","ftp",0,&ai));
1.76 fefe 184: while (ai) {
185: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
186: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
187: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
188: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
189: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 190: {
191: char buf[100];
192: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
193: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
194: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
195: printf(" %s\n",buf);
196: }
1.76 fefe 197: ai=ai->ai_next;
198: }
1.81 fefe 199: #endif
1.76 fefe 200: #if 0
1.71 fefe 201: int i=foo;
1.75 fefe 202: printf("load average is %3.2f\n",0.0);
1.76 fefe 203: #endif
1.70 fefe 204: #if 0
1.69 fefe 205: struct dirent **namelist;
206: int n;
1.16 fefe 207:
1.69 fefe 208: n = scandir(".", &namelist, 0, alphasort);
209: if (n < 0)
210: perror("scandir");
211: else {
212: while(n--) {
213: printf("%s\n", namelist[n]->d_name);
214: free(namelist[n]);
215: }
216: free(namelist);
217: }
1.70 fefe 218: #endif
1.68 fefe 219: #if 0
1.67 fefe 220: char foo[10]="none,zlib";
221: char *tmp,*tmp2=foo;
222: while (tmp=strsep(&tmp2,",")) {
223: puts(tmp);
224: }
1.68 fefe 225: #endif
1.65 fefe 226: #if 0
1.61 fefe 227: char foo[10];
1.64 fefe 228: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 229: strcpy(foo,"foo");
230: strncat(foo,"barbaz",3);
231: foo[6]=0;
232: puts(foo);
1.65 fefe 233: #endif
1.115 ! fefe 234: #if 0
1.58 fefe 235: struct hostent * host;
236: struct in_addr i;
1.57 fefe 237:
1.110 fefe 238: host = gethostbyname2("knuth",AF_INET);
1.57 fefe 239:
1.58 fefe 240: if (!host)
241: printf("host null\n");
1.57 fefe 242:
1.58 fefe 243: if (host && host->h_name) {
244: printf("name %s\n", host->h_name);
245: }
246: if (host && (host->h_addr_list)[0]) {
247: struct in_addr address;
248: address = *((struct in_addr *) (host->h_addr_list)[0]);
249: printf("addr %s\n", inet_ntoa(address));
250: }
1.59 fefe 251: #endif
1.57 fefe 252: #if 0
1.56 fefe 253: struct msgbuf bla;
254: bla.mtype=0;
255: bla.mtext[0]='x';
256: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 257: #endif
1.55 fefe 258: #if 0
1.54 fefe 259: char buf[PATH_MAX];
260: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 261: #endif
1.73 fefe 262: #if 0
1.53 fefe 263: regex_t t;
1.68 fefe 264: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 265: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 266: #endif
1.53 fefe 267: #if 0
1.52 fefe 268: float my_float = 9.2334;
269: char buffer[100];
270:
271: sprintf(buffer, "%.2f", my_float);
272: fprintf(stdout, "%s", buffer);
1.53 fefe 273: #endif
1.52 fefe 274: #if 0
1.51 fefe 275: printf("%d\n",setenv("foo","bar",0));
276: printf("%d\n",setenv("foo","bar",1));
277: execlp("printenv","printenv","foo",0);
1.52 fefe 278: #endif
1.106 fefe 279: #if 0
1.59 fefe 280: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 281: if (!fnmatch("s*", "sub", 0))
282: printf("s* sub\n");
283: if (!fnmatch("s*", "glob", 0))
284: printf("s* glob\n");
285: if (!fnmatch("s*b", "sub", 0))
286: printf("s*b sub\n");
287: if (!fnmatch("s*h", "sub", 0))
288: printf("s*h sub\n");
1.51 fefe 289: #endif
1.49 fefe 290: #if 0
1.48 fefe 291: char*tmp;
292: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
293: write(1,tmp,n);
294: free(tmp);
1.49 fefe 295: #endif
1.41 fefe 296: #if 0
1.40 fefe 297: struct passwd *p=getpwnam("leitner");
1.41 fefe 298: struct spwd *s=getspnam("leitner");
1.39 fefe 299: printf("%g\n",30.0123);
1.41 fefe 300: #endif
1.43 fefe 301: #if 0
1.42 fefe 302: initgroups("root",100);
1.43 fefe 303: #endif
1.38 fefe 304: #if 0
1.37 fefe 305: time_t t=time(0);
306: puts(asctime(localtime(&t)));
1.38 fefe 307: #endif
1.37 fefe 308: #if 0
1.36 fefe 309: struct servent *foo=getservbyname("ident","tcp");
310: if (foo)
311: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 312: #endif
1.35 fefe 313: #if 0
1.33 fefe 314: char buf[128];
315: strcpy(buf,"/tmp/foo.XXXXXXX");
316: printf("%d\n",mkstemp(buf));
1.34 fefe 317: printf("%s\n",buf);
318: unlink(buf);
1.35 fefe 319: #endif
1.33 fefe 320: #if 0
1.32 fefe 321: char buf[512]="foo";
322: strncat(buf,"barbaz",3);
323: puts(buf);
1.33 fefe 324: #endif
1.32 fefe 325: #if 0
1.31 fefe 326: time_t oink=time(0);
327: struct tm *duh=localtime(&oink);
328: strftime(buf,512,"%A %B %Y\n",duh);
329: puts(buf);
1.32 fefe 330: #endif
1.115 ! fefe 331: #if 1
1.28 fefe 332: struct in_addr bar;
333: struct hostent *foo;
1.29 fefe 334: /* inet_aton("160.45.10.8",&bar); */
335: foo=gethostbyname("zeit.fu-berlin.de");
336: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 337: if (foo)
338: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 339: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 340: #endif
1.18 fefe 341: #if 0
1.17 fefe 342: double d=0.0;
343: long long t=0x12345678ABCDEF01;
344: d/=0.0;
345: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 346: #endif
1.17 fefe 347: #if 0
1.16 fefe 348: int i,j;
349: long a,b,c;
350: int *res;
351: printf("%p\n",malloc(0));
352: qsort(array,2,sizeof(int),compint);
353: for (i=0; i<SIZE; ++i)
354: array[i]=rand();
355: rdtscl(a);
356: qsort(array,SIZE,sizeof(int),compint);
357: rdtscl(b);
358: j=array[LOOKFOR];
359: res=bsearch(&j,array,SIZE,sizeof(int),compint);
360: rdtscl(c);
361: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
362: for (i=0; i<SIZE-1; ++i)
363: if (array[i]>array[i+1]) {
364: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
365: return 1;
366: }
367: if (*res!=j)
368: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
369: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 370: #endif
1.13 fefe 371: #if 0
1.12 fefe 372: struct in_addr duh;
373: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
374: printf("%x\n",duh.s_addr);
1.13 fefe 375: #endif
1.12 fefe 376: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 377: #if 0
1.10 fefe 378: char buf[100];
379: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
380: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 381: #endif
1.9 fefe 382: #if 0
1.7 fefe 383: struct tm duh;
384: time_t t;
1.8 fefe 385: time(&t);
386: gmtime_r(&t,&duh);
387: printf("%s\n",asctime(&duh));
1.9 fefe 388: #endif
1.8 fefe 389: #if 0
1.7 fefe 390: char buf[30];
391: duh.tm_sec=42;
392: duh.tm_min=23;
393: duh.tm_hour=17;
394: duh.tm_mday=2;
395: duh.tm_mon=7;
396: duh.tm_year=100;
397: t=mktime(&duh);
398: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 399: #endif
1.2 fefe 400: #if 0
1.1 cvs 401: int i;
402: for (i=0; i<5; i++) {
403: fprintf(stdout,"first message\n");
404: fprintf(stdout,"second message\n");
405: fprintf(stdout,"third message\n");
406: printf("foo %d\n",i);
407: }
1.2 fefe 408: #endif
1.1 cvs 409: #if 0
410: char buf[1024];
411: sscanf("foo bar","%s",buf);
412: printf("%s\n",buf);
413: #endif
414: #if 0
415: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
416: perror("mount");
417: #endif
418: #if 0
419: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
420: int i=strtol(t+1,&t,10);
421: printf("%d %s\n",i,t);
422: #endif
423: #if 0
424: char **tmp;
1.115 ! fefe 425: putenv("A=foo");
1.1 cvs 426: for (tmp=environ; *tmp; tmp++)
427: puts(*tmp);
428: #endif
429: #if 0
430: char buf[1024];
431: printf("%d\n",fprintf(stderr,"duh\n"));
432: #endif
433: #if 0
434: struct passwd *p=getpwuid(100);
435: puts(p->pw_name);
436: #endif
437: #if 0
438: int pid;
439: char name[32];
440: sscanf("1 (init","%d (%15c",&pid,name);
441: printf("pid %d name %s\n",pid,name);
442: #endif
1.109 fefe 443: #if 0
1.1 cvs 444: DIR *d=opendir("/proc");
445: if (d) {
446: struct dirent *D;
447: while (D=readdir(d))
448: puts(D->d_name);
449: closedir(d);
450: }
451: #endif
452: #if 0
453: char buf[1024];
454: int fd=open("/etc/passwd",0);
455: pread(fd,buf,30,32);
456: close(fd);
457: write(1,buf,32);
458: #endif
459: #if 0
460: char *argv[] = {"echo","foo",0};
461: char buf[100];
462: buf[5]='x';
463: sprintf(buf,"foo\n");
464: if (buf[5] == 'x')
465: exit(0);
466: else
467: exit(1);
468: execvp(argv[0],argv);
469: #endif
1.10 fefe 470: #if 0
1.1 cvs 471: struct stat64 f;
472: char buf[128];
473: fstat64(0,&f);
474: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
475: return 0;
476: #endif
477: #if 0
478: FILE *f=fopen("foo","w");
479: fputc('a',f);
480: fputc('b',f);
481: fputc('c',f);
482: #endif
483: /* fprintf(stdout,"foo\n"); */
484: }
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