Annotation of dietlibc/t.c, revision 1.189
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>
1.133 fefe 38: #include <libgen.h>
1.144 fefe 39: #include <math.h>
1.121 fefe 40: #include <errno.h>
41: #include <syslog.h>
42: #include <sys/un.h>
43: #include <fcntl.h>
1.150 fefe 44: #include <iconv.h>
1.166 fefe 45: #include <features.h>
46: #ifdef __dietlibc__
47: #include <md5.h>
1.170 fefe 48: #include <write12.h>
1.166 fefe 49: #endif
1.121 fefe 50:
51: #if 0
52: static const char* Ident;
53: static int Option;
54: static int Facility;
55: static struct sockaddr_un sock;
56: static int fd=-1;
57:
58: static void syslogconnect(void) {
59: sock.sun_family=AF_UNIX;
60: strcpy(sock.sun_path,"/dev/log");
61: if ((fd=socket(AF_UNIX,SOCK_STREAM,0))==-1) return;
62: if (connect(fd,(struct sockaddr*)&sock,sizeof(sock))==-1) {
63: int save=errno;
64: close(fd);
65: fd=-1;
1.109 fefe 66: }
1.121 fefe 67: fcntl(fd,F_SETFL,FD_CLOEXEC); /* doesn't work? too bad */
1.109 fefe 68: }
1.107 fefe 69:
1.121 fefe 70: void openlog(const char *ident, int option, int facility) {
71: Ident=ident;
72: Option=option;
73: Facility=facility;
74: syslogconnect();
1.116 fefe 75: }
76:
1.121 fefe 77: void syslog(int priority, const char *format, ...) {
78: /* write(fd,"<13>Jun 29 19:21:32 leitner: fnord",...) */
79: }
80:
81: void closelog(void) {
82: }
83: #endif
84:
1.139 fefe 85: void foo(int tmp,...) {
86: long long l;
87: va_list va;
88: va_start(va,tmp);
89: l=va_arg(va,long long);
90: if (l!=-1) write(2,"kaputt\n",7);
91: }
92:
1.176 fefe 93: int compint(const void *a, const void *b) {
1.179 fefe 94: register const int* A=a;
95: register const int* B=b;
1.176 fefe 96: return *B-*A;
97: }
98:
1.164 fefe 99: extern char* strcpy2(char*a,char*b);
100:
101: #define rdtscl(low) \
102: __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
103:
1.97 fefe 104: int main(int argc,char *argv[]) {
1.189 ! fefe 105: tzset();
! 106: printf("%d\n",daylight);
! 107: #if 0
1.188 fefe 108: struct in_addr addr;
109: inet_aton("10.0.0.100\t",&addr);
110: printf("%s\n",inet_ntoa(addr));
1.189 ! fefe 111: #endif
1.168 fefe 112: #if 0
1.169 fefe 113: printf("%u\n",getuid32());
114: #endif
115: #if 0
1.167 fefe 116: FILE *f;
117: int i;
118: char addr6p[8][5];
119: int plen, scope, dad_status, if_idx;
120: char addr6[40], devname[20];
121: if ((f = fopen("/proc/net/if_inet6", "r")) != NULL) {
122: while ((i=fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
123: addr6p[0], addr6p[1], addr6p[2], addr6p[3],
124: addr6p[4], addr6p[5], addr6p[6], addr6p[7],
125: &if_idx, &plen, &scope, &dad_status, devname)) != EOF) {
126: printf("i=%d\n",i);
127: }
128: }
1.168 fefe 129: #endif
1.169 fefe 130: #if 0
1.166 fefe 131: printf("%s\n",crypt("test","$1$"));
1.167 fefe 132: #endif
1.173 fefe 133: #if 0
1.166 fefe 134: MD5_CTX x;
135: unsigned char md5[16];
136: MD5Init(&x);
1.167 fefe 137: MD5Update(&x,"a",1);
1.166 fefe 138: MD5Final(md5,&x);
139: {
140: int i;
141: for (i=0; i<16; ++i) {
142: printf("%02x",md5[i]);
143: }
144: putchar('\n');
145: }
146: #endif
1.164 fefe 147: #if 0
148: long a,b,c;
1.161 fefe 149: char buf[20]="fnord";
1.164 fefe 150: strcpy(buf,"Fnordhausen");
151: strcpy2(buf,"Fnordhausen");
152: rdtscl(a);
153: strcpy(buf,"Fnordhausen");
154: rdtscl(b);
155: strcpy2(buf,"Fnordhausen");
156: rdtscl(c);
157: printf("C: %d ticks, asm: %d ticks\n",b-a,c-b);
158: #endif
159:
1.163 fefe 160: /* printf("%d\n",strcmp(buf,"fnord")); */
1.157 fefe 161: #if 0
162: regex_t r;
163: // printf("regcomp %d\n",regcomp(&r,"^(re([\\[0-9\\]+])*|aw):[ \t]*",REG_EXTENDED));
164: printf("regcomp %d\n",regcomp(&r,"^([A-Za-z ]+>|[]>:|}-][]>:|}-]*)",REG_EXTENDED));
165: printf("regexec %d\n",regexec(&r,"Marketing-Laufbahn hinterdir.",1,0,REG_NOSUB));
166: #endif
167: #if 0
1.156 fefe 168: FILE *f=fopen("/home/leitner/Mail/outbox","r");
169: char buf[1024];
170: int i=0;
171: if (f) {
172: while (fgets(buf,1023,f)) {
173: ++i;
174: printf("%d %lu %s",i,ftell(f),buf);
175: }
176: }
1.157 fefe 177: #endif
1.152 fefe 178: #if 0
1.151 fefe 179: char template[]="/tmp/duh/fnord-XXXXXX";
180: printf("%d\n",mkdtemp(template));
1.152 fefe 181: #endif
1.151 fefe 182: #if 0
1.150 fefe 183: char *inbuf="\xe2\x89\xa0";
184: // char *inbuf="\xc2\xa9";
185: char outbuf[100];
186: char *obptr=&outbuf;
187: size_t iblen=strlen(inbuf);
188: size_t oblen=100;
189: iconv_t i=iconv_open("utf-8","utf-8");
190: iconv(i,&inbuf,&iblen,&obptr,&oblen);
191: iconv_close(i);
192: outbuf[100-oblen]=0;
193: puts(outbuf);
1.151 fefe 194: #endif
1.150 fefe 195: #if 0
1.149 fefe 196: printf("%c %c\n",tolower('C'),toupper('c'));
1.150 fefe 197: #endif
1.147 fefe 198: #if 0
1.145 fefe 199: printf("foo\n");
1.146 fefe 200: #endif
1.145 fefe 201: #if 0
202: char strport[10];
203: int i;
204: for (i=0; i<10; ++i) strport[i]=i+'0';
205: snprintf( strport, sizeof(strport), "%d", 80 );
206: puts(strport);
207: #endif
1.179 fefe 208: #if 0
1.145 fefe 209: struct addrinfo *ai;
210: struct addrinfo hints;
211: char buf[16];
212: memset(&hints,0,sizeof(hints));
1.157 fefe 213: #if 0
1.145 fefe 214: hints.ai_family = AF_UNSPEC;
215: hints.ai_flags = AI_PASSIVE;
216: hints.ai_socktype = SOCK_STREAM;
1.157 fefe 217: #endif
218: hints.ai_family=0;
219: hints.ai_flags=0;
220: hints.ai_socktype=1;
221: hints.ai_protocol=0;
222: hints.ai_addrlen=0;
223: hints.ai_addr=0;
224: hints.ai_canonname=0;
225: hints.ai_next=0;
226: printf("%d\n",getaddrinfo("news.fu-berlin.de","119",&hints,&ai));
1.145 fefe 227: while (ai) {
228: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
229: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
230: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
231: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
232: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
233: {
234: char buf[100];
235: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
236: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
237: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
238: printf(" %s\n",buf);
239: }
240: ai=ai->ai_next;
241: }
242: #endif
1.144 fefe 243: #if 0
244: char buf[101];
245: __dtostr(M_PI,buf,100,6);
246: #endif
1.145 fefe 247: #if 0
1.144 fefe 248: printf("%d\n",strcasecmp("foo","FOO"));
1.145 fefe 249: #endif
1.144 fefe 250: #if 0
1.143 fefe 251: printf("%.24s", "Sun Jan 2 08:29:13 1994\n");
1.144 fefe 252: #endif
1.143 fefe 253: #if 0
254: printf("%.*s\n",13,"fnord");
255: #endif
1.141 fefe 256: #if 0
1.140 fefe 257: double d=strtod(argv[1],0);
258: printf("%g|\n",d);
1.141 fefe 259: #endif
1.140 fefe 260: #if 0
1.139 fefe 261: char buf[100];
262: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
263: puts(buf);
1.140 fefe 264: #endif
265: #if 0
1.139 fefe 266: printf("%lld\n",-1ll);
267: #endif
1.143 fefe 268: #if 0
1.139 fefe 269: char *str="e";
270: setbuf(stdout,0);
271: printf("foo\n");
272: fputc(toupper(*str++),stdout);
273: printf("bar\n");
1.138 fefe 274: #endif
1.137 fefe 275: #if 0
1.136 fefe 276: fwrite("foobar",6,1,stdout);
1.137 fefe 277: #endif
1.136 fefe 278: #if 0
1.135 fefe 279: char x[5];
280: x[4]='x';
281: fgets(x,4,stdin);
282: puts(x);
283: printf("%c\n",x[4]);
1.136 fefe 284: #endif
1.134 fefe 285: #if 0
1.133 fefe 286: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
287: char* want[]={"/usr","/",".","/",".","."};
288: int i;
289: for (i=0; i<6; ++i) {
290: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
291: }
1.134 fefe 292: #endif
1.133 fefe 293: #if 0
294: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
295: char* want[]={"lib","usr","usr","/",".",".."};
296: int i;
297: for (i=0; i<6; ++i) {
298: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
299: }
300: #endif
301: #if 0
1.132 fefe 302: int i;
303: for (i=0; i<255; ++i) {
304: int a=isalpha(i);
305: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
306: if (a!=b) printf("%d: %d %d\n",i,a,b);
307: }
1.133 fefe 308: #endif
1.131 fefe 309: #if 0
1.130 fefe 310: char* name;
311: int ptyfd,ttyfd;
312: int i=openpty(&ptyfd,&ttyfd,0,0,0);
313: if (i<0) perror("openpty");
314: printf("%d %d\n",ptyfd,ttyfd);
315: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 316: #endif
1.129 fefe 317: #if 0
318: printf("0x%8.7lx\n",0xfefe);
319: #endif
320: #if 0
1.128 fefe 321: puts(ttyname(0));
1.129 fefe 322: #endif
1.185 fefe 323: #if 0
1.125 fefe 324: char buf[1024];
325: struct hostent* r;
1.184 fefe 326: r=gethostbyname("www.convergence.de");
1.174 fefe 327: if (!r) {
328: printf("dns error: %s\n",hstrerror(h_errno));
329: }
1.152 fefe 330: {
331: /* while (r=gethostent_r(buf,1024)) { */
1.125 fefe 332: if (r && r->h_name) {
1.152 fefe 333: int i;
334: printf("name \"%s\"; ", r->h_name);
335: for (i=0; i<8; ++i)
336: if (r->h_aliases[i]) {
337: printf("alias \"%s\"; ",r->h_aliases[i]);
1.174 fefe 338: } else break;
1.152 fefe 339: if ((r->h_addr_list)[0]) {
340: struct in_addr address;
341: address = *((struct in_addr *) (r->h_addr_list)[0]);
342: printf("addr %s; ", inet_ntoa(address));
343: }
344: putchar('\n');
1.125 fefe 345: }
346: }
347: #endif
348: #if 0
1.124 fefe 349: char *tmp;
350: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 351: #endif
1.128 fefe 352: #if 0
1.123 fefe 353: struct mntent* me;
1.127 fefe 354: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 355: while (me=getmntent(f)) {
1.139 fefe 356: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 357: 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);
1.139 fefe 358: break;
1.123 fefe 359: }
1.124 fefe 360: #endif
1.123 fefe 361: #if 0
362: char *tmp;
363: printf("%x\n",strtol("0Xffff",&tmp,16));
364: #endif
1.155 fefe 365: /* putchar('c');
366: write(1,"fnord\n",6); */
1.176 fefe 367: #if 0
1.121 fefe 368: struct addrinfo *ai;
1.175 fefe 369: // getaddrinfo("xorn","22",0,&ai);
370: puts(gai_strerror(getaddrinfo("xorn","22",0,&ai)));
1.121 fefe 371: #endif
1.122 fefe 372: #if 0
1.121 fefe 373: struct hostent host,*res;
374: char buf[4096];
375: int fnord;
376:
1.131 fefe 377: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 378: #endif
1.121 fefe 379: #if 0
1.119 fefe 380: char buf[128];
1.120 fefe 381: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 382: printf("%d\n",mkdtemp(buf));
383: printf("%s\n",buf);
1.120 fefe 384: #endif
1.119 fefe 385: #if 0
1.118 fefe 386: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 387: #endif
1.113 fefe 388: #if 0
1.109 fefe 389: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 390: assert(0);
1.113 fefe 391: #endif
1.105 fefe 392: #if 0
393: printf("%hd %hhd\n",-5,-1234567);
394: #endif
1.103 fefe 395: #if 0
1.102 fefe 396: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
397: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 398: #endif
1.102 fefe 399: #if 0
1.101 fefe 400: char buf[1024];
401: int len;
402: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 403: #endif
1.114 fefe 404: #if 0
1.100 fefe 405: regex_t t;
406: regmatch_t rm;
1.103 fefe 407: // regcomp(&t,"^ *read",0);
1.113 fefe 408: regcomp(&t,"\\<foo\\>",0);
409: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 410: printf("ofs %d\n",rm.rm_so);
1.101 fefe 411: #endif
1.100 fefe 412: #if 0
1.98 fefe 413: char buf[100];
1.99 fefe 414: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 415: #endif
1.99 fefe 416: #if 0
417: char buf[100];
1.98 fefe 418: memset(buf,17,100);
419: buf[0]=0;
420: strncat(buf,"foobarbaz23",10);
421: puts(buf);
1.99 fefe 422: #endif
1.98 fefe 423: #if 0
1.97 fefe 424: int aflag = 0;
425: int bflag = 0;
426: char *cvalue = NULL;
427: int index;
428: int c;
429:
430: opterr = 1;
431:
432: while ((c = getopt (argc, argv, "abc:")) != -1)
433: switch (c)
434: {
435: case 'a':
436: aflag = 1;
437: break;
438: case 'b':
439: bflag = 1;
440: break;
441: case 'c':
442: cvalue = optarg;
443: break;
444: case '?':
445: if (isprint (optopt))
446: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
447: else
448: fprintf (stderr,
449: "Unknown option character `\\x%x'.\n",
450: optopt);
451: return 1;
452: default:
453: abort ();
454: }
1.96 fefe 455:
1.97 fefe 456: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
457: aflag, bflag, cvalue);
458:
459: for (index = optind; index < argc; index++)
460: printf ("Non-option argument %s\n", argv[index]);
461: return 0;
1.98 fefe 462: #endif
1.97 fefe 463: #if 0
1.96 fefe 464: char *t="foobar";
465: char *c;
466: char buf[1000];
467: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 468: #endif
1.89 fefe 469: #if 0
470: struct netent* n=getnetbyname("loopback");
471: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
472: #endif
473: #if 0
1.88 fefe 474: fprintf(stdout,"foo\n");
475: sleep(1);
476: fprintf(stdout,"bar");
477: fprintf(stderr,"blonk");
478: sleep(1);
479: fprintf(stdout,"\rbz");
480: sleep(1);
481: fprintf(stdout,"\n");
482: sleep(1);
1.89 fefe 483: #endif
1.87 fefe 484: #if 0
1.86 fefe 485: sigset_t s; /* sigsetops */
486:
487: sigemptyset(&s);
488: sigaddset(&s,SIGCHLD);
489: sigaddset(&s,SIGHUP);
490: sigsuspend(&s);
1.87 fefe 491: #endif
1.85 fefe 492: #if 0
1.84 fefe 493: char buf[1024];
494: FILE *f=popen("uname -srm","r");
495: fgets(buf,1023,f);
496: pclose(f);
497: write(1,buf,strlen(buf));
1.85 fefe 498: #endif
1.84 fefe 499: #if 0
1.82 fefe 500: char type[64];
1.83 fefe 501: char filename[256];
502: int major,minor;
1.82 fefe 503: int len;
1.83 fefe 504: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
505: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 506: #endif
1.82 fefe 507: #if 0
1.81 fefe 508: char buf[100];
509: char ip[16];
510: memset(ip,0,16);
511: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
512: puts(buf);
1.82 fefe 513: #endif
1.127 fefe 514: #if 0
1.76 fefe 515: struct addrinfo *ai;
1.78 fefe 516: struct addrinfo hints;
1.79 fefe 517: char buf[16];
1.78 fefe 518: hints.ai_family = AF_UNSPEC;
1.79 fefe 519: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 520: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 521: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 522: while (ai) {
523: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
524: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
525: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
526: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
527: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 528: {
529: char buf[100];
530: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
531: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
532: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
533: printf(" %s\n",buf);
534: }
1.76 fefe 535: ai=ai->ai_next;
536: }
1.81 fefe 537: #endif
1.76 fefe 538: #if 0
1.71 fefe 539: int i=foo;
1.75 fefe 540: printf("load average is %3.2f\n",0.0);
1.76 fefe 541: #endif
1.70 fefe 542: #if 0
1.69 fefe 543: struct dirent **namelist;
544: int n;
1.16 fefe 545:
1.69 fefe 546: n = scandir(".", &namelist, 0, alphasort);
547: if (n < 0)
548: perror("scandir");
549: else {
550: while(n--) {
551: printf("%s\n", namelist[n]->d_name);
552: free(namelist[n]);
553: }
554: free(namelist);
555: }
1.70 fefe 556: #endif
1.68 fefe 557: #if 0
1.67 fefe 558: char foo[10]="none,zlib";
559: char *tmp,*tmp2=foo;
560: while (tmp=strsep(&tmp2,",")) {
561: puts(tmp);
562: }
1.68 fefe 563: #endif
1.65 fefe 564: #if 0
1.61 fefe 565: char foo[10];
1.64 fefe 566: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 567: strcpy(foo,"foo");
568: strncat(foo,"barbaz",3);
569: foo[6]=0;
570: puts(foo);
1.65 fefe 571: #endif
1.115 fefe 572: #if 0
1.58 fefe 573: struct hostent * host;
574: struct in_addr i;
1.57 fefe 575:
1.131 fefe 576: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 577:
1.58 fefe 578: if (!host)
579: printf("host null\n");
1.57 fefe 580:
1.58 fefe 581: if (host && host->h_name) {
582: printf("name %s\n", host->h_name);
583: }
584: if (host && (host->h_addr_list)[0]) {
585: struct in_addr address;
586: address = *((struct in_addr *) (host->h_addr_list)[0]);
587: printf("addr %s\n", inet_ntoa(address));
588: }
1.59 fefe 589: #endif
1.57 fefe 590: #if 0
1.56 fefe 591: struct msgbuf bla;
592: bla.mtype=0;
593: bla.mtext[0]='x';
594: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 595: #endif
1.55 fefe 596: #if 0
1.54 fefe 597: char buf[PATH_MAX];
598: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 599: #endif
1.73 fefe 600: #if 0
1.53 fefe 601: regex_t t;
1.68 fefe 602: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 603: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 604: #endif
1.53 fefe 605: #if 0
1.52 fefe 606: float my_float = 9.2334;
607: char buffer[100];
608:
609: sprintf(buffer, "%.2f", my_float);
610: fprintf(stdout, "%s", buffer);
1.53 fefe 611: #endif
1.52 fefe 612: #if 0
1.51 fefe 613: printf("%d\n",setenv("foo","bar",0));
614: printf("%d\n",setenv("foo","bar",1));
615: execlp("printenv","printenv","foo",0);
1.52 fefe 616: #endif
1.106 fefe 617: #if 0
1.59 fefe 618: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 619: if (!fnmatch("s*", "sub", 0))
620: printf("s* sub\n");
621: if (!fnmatch("s*", "glob", 0))
622: printf("s* glob\n");
623: if (!fnmatch("s*b", "sub", 0))
624: printf("s*b sub\n");
625: if (!fnmatch("s*h", "sub", 0))
626: printf("s*h sub\n");
1.51 fefe 627: #endif
1.49 fefe 628: #if 0
1.48 fefe 629: char*tmp;
630: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
631: write(1,tmp,n);
632: free(tmp);
1.49 fefe 633: #endif
1.41 fefe 634: #if 0
1.40 fefe 635: struct passwd *p=getpwnam("leitner");
1.41 fefe 636: struct spwd *s=getspnam("leitner");
1.39 fefe 637: printf("%g\n",30.0123);
1.41 fefe 638: #endif
1.43 fefe 639: #if 0
1.42 fefe 640: initgroups("root",100);
1.43 fefe 641: #endif
1.38 fefe 642: #if 0
1.37 fefe 643: time_t t=time(0);
644: puts(asctime(localtime(&t)));
1.38 fefe 645: #endif
1.135 fefe 646: #if 0
1.134 fefe 647: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 648: if (foo)
649: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 650: #endif
1.121 fefe 651: #if 0
1.33 fefe 652: char buf[128];
1.120 fefe 653: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 654: printf("%d\n",mkstemp(buf));
1.34 fefe 655: printf("%s\n",buf);
656: unlink(buf);
1.35 fefe 657: #endif
1.33 fefe 658: #if 0
1.32 fefe 659: char buf[512]="foo";
660: strncat(buf,"barbaz",3);
661: puts(buf);
1.33 fefe 662: #endif
1.32 fefe 663: #if 0
1.31 fefe 664: time_t oink=time(0);
665: struct tm *duh=localtime(&oink);
666: strftime(buf,512,"%A %B %Y\n",duh);
667: puts(buf);
1.32 fefe 668: #endif
1.126 fefe 669: #if 0
1.28 fefe 670: struct in_addr bar;
671: struct hostent *foo;
1.125 fefe 672: inet_aton("160.45.10.8",&bar);
673: /* foo=gethostbyname("zeit.fu-berlin.de"); */
674: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 675: if (foo)
676: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 677: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 678: #endif
1.18 fefe 679: #if 0
1.17 fefe 680: double d=0.0;
681: long long t=0x12345678ABCDEF01;
682: d/=0.0;
683: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 684: #endif
1.177 fefe 685: #if 0
1.176 fefe 686: #define SIZE 1000
687: int array[SIZE],array2[SIZE];
1.16 fefe 688: int i,j;
689: long a,b,c;
1.176 fefe 690: int *k;
691: for (i=0; i<SIZE; ++i) array[i]=rand();
692: memcpy(array2,array,sizeof(array));
693: qsort(array,SIZE,sizeof(int),compint);
694: for (i=0; i<SIZE-1; ++i)
695: assert(array[i]>array[i+1]);
696: k=bsearch(array+10,array,SIZE,sizeof(int),compint);
697: printf("%d\n",*k);
698: #endif
699: #if 0
1.16 fefe 700: printf("%p\n",malloc(0));
701: qsort(array,2,sizeof(int),compint);
702: for (i=0; i<SIZE; ++i)
703: array[i]=rand();
704: rdtscl(a);
705: qsort(array,SIZE,sizeof(int),compint);
706: rdtscl(b);
707: j=array[LOOKFOR];
708: res=bsearch(&j,array,SIZE,sizeof(int),compint);
709: rdtscl(c);
710: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
711: for (i=0; i<SIZE-1; ++i)
712: if (array[i]>array[i+1]) {
713: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
714: return 1;
715: }
716: if (*res!=j)
717: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
718: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 719: #endif
1.13 fefe 720: #if 0
1.12 fefe 721: struct in_addr duh;
722: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
723: printf("%x\n",duh.s_addr);
1.13 fefe 724: #endif
1.12 fefe 725: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 726: #if 0
1.10 fefe 727: char buf[100];
728: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
729: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 730: #endif
1.9 fefe 731: #if 0
1.7 fefe 732: struct tm duh;
733: time_t t;
1.8 fefe 734: time(&t);
735: gmtime_r(&t,&duh);
736: printf("%s\n",asctime(&duh));
1.9 fefe 737: #endif
1.8 fefe 738: #if 0
1.7 fefe 739: char buf[30];
740: duh.tm_sec=42;
741: duh.tm_min=23;
742: duh.tm_hour=17;
743: duh.tm_mday=2;
744: duh.tm_mon=7;
745: duh.tm_year=100;
746: t=mktime(&duh);
747: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 748: #endif
1.2 fefe 749: #if 0
1.1 cvs 750: int i;
751: for (i=0; i<5; i++) {
752: fprintf(stdout,"first message\n");
753: fprintf(stdout,"second message\n");
754: fprintf(stdout,"third message\n");
755: printf("foo %d\n",i);
756: }
1.2 fefe 757: #endif
1.1 cvs 758: #if 0
759: char buf[1024];
760: sscanf("foo bar","%s",buf);
761: printf("%s\n",buf);
762: #endif
763: #if 0
764: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
765: perror("mount");
766: #endif
767: #if 0
768: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
769: int i=strtol(t+1,&t,10);
770: printf("%d %s\n",i,t);
771: #endif
772: #if 0
773: char **tmp;
1.115 fefe 774: putenv("A=foo");
1.1 cvs 775: for (tmp=environ; *tmp; tmp++)
776: puts(*tmp);
777: #endif
778: #if 0
779: char buf[1024];
780: printf("%d\n",fprintf(stderr,"duh\n"));
781: #endif
782: #if 0
783: struct passwd *p=getpwuid(100);
784: puts(p->pw_name);
785: #endif
786: #if 0
787: int pid;
788: char name[32];
789: sscanf("1 (init","%d (%15c",&pid,name);
790: printf("pid %d name %s\n",pid,name);
791: #endif
1.109 fefe 792: #if 0
1.1 cvs 793: DIR *d=opendir("/proc");
794: if (d) {
795: struct dirent *D;
796: while (D=readdir(d))
797: puts(D->d_name);
798: closedir(d);
799: }
800: #endif
801: #if 0
802: char buf[1024];
803: int fd=open("/etc/passwd",0);
804: pread(fd,buf,30,32);
805: close(fd);
806: write(1,buf,32);
807: #endif
808: #if 0
809: char *argv[] = {"echo","foo",0};
810: char buf[100];
811: buf[5]='x';
812: sprintf(buf,"foo\n");
813: if (buf[5] == 'x')
814: exit(0);
815: else
816: exit(1);
817: execvp(argv[0],argv);
818: #endif
1.10 fefe 819: #if 0
1.1 cvs 820: struct stat64 f;
821: char buf[128];
822: fstat64(0,&f);
823: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
824: return 0;
825: #endif
826: #if 0
827: FILE *f=fopen("foo","w");
828: fputc('a',f);
829: fputc('b',f);
830: fputc('c',f);
831: #endif
832: /* fprintf(stdout,"foo\n"); */
833: }
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