Annotation of dietlibc/t.c, revision 1.191
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[]) {
1.191 ! fefe 105: char buf[1024];
! 106: time_t t1=time(0);
! 107: struct tm* t=localtime(&t1);
! 108: printf("%d %s\n",strftime(buf,sizeof buf,"%b %d %H:%M",t),buf);
1.190 fefe 109: #if 0
1.189 fefe 110: tzset();
111: printf("%d\n",daylight);
1.190 fefe 112: #endif
1.189 fefe 113: #if 0
1.188 fefe 114: struct in_addr addr;
115: inet_aton("10.0.0.100\t",&addr);
116: printf("%s\n",inet_ntoa(addr));
1.189 fefe 117: #endif
1.168 fefe 118: #if 0
1.169 fefe 119: printf("%u\n",getuid32());
120: #endif
121: #if 0
1.167 fefe 122: FILE *f;
123: int i;
124: char addr6p[8][5];
125: int plen, scope, dad_status, if_idx;
126: char addr6[40], devname[20];
127: if ((f = fopen("/proc/net/if_inet6", "r")) != NULL) {
128: while ((i=fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
129: addr6p[0], addr6p[1], addr6p[2], addr6p[3],
130: addr6p[4], addr6p[5], addr6p[6], addr6p[7],
131: &if_idx, &plen, &scope, &dad_status, devname)) != EOF) {
132: printf("i=%d\n",i);
133: }
134: }
1.168 fefe 135: #endif
1.169 fefe 136: #if 0
1.166 fefe 137: printf("%s\n",crypt("test","$1$"));
1.167 fefe 138: #endif
1.173 fefe 139: #if 0
1.166 fefe 140: MD5_CTX x;
141: unsigned char md5[16];
142: MD5Init(&x);
1.167 fefe 143: MD5Update(&x,"a",1);
1.166 fefe 144: MD5Final(md5,&x);
145: {
146: int i;
147: for (i=0; i<16; ++i) {
148: printf("%02x",md5[i]);
149: }
150: putchar('\n');
151: }
152: #endif
1.164 fefe 153: #if 0
154: long a,b,c;
1.161 fefe 155: char buf[20]="fnord";
1.164 fefe 156: strcpy(buf,"Fnordhausen");
157: strcpy2(buf,"Fnordhausen");
158: rdtscl(a);
159: strcpy(buf,"Fnordhausen");
160: rdtscl(b);
161: strcpy2(buf,"Fnordhausen");
162: rdtscl(c);
163: printf("C: %d ticks, asm: %d ticks\n",b-a,c-b);
164: #endif
165:
1.163 fefe 166: /* printf("%d\n",strcmp(buf,"fnord")); */
1.157 fefe 167: #if 0
168: regex_t r;
169: // printf("regcomp %d\n",regcomp(&r,"^(re([\\[0-9\\]+])*|aw):[ \t]*",REG_EXTENDED));
170: printf("regcomp %d\n",regcomp(&r,"^([A-Za-z ]+>|[]>:|}-][]>:|}-]*)",REG_EXTENDED));
171: printf("regexec %d\n",regexec(&r,"Marketing-Laufbahn hinterdir.",1,0,REG_NOSUB));
172: #endif
173: #if 0
1.156 fefe 174: FILE *f=fopen("/home/leitner/Mail/outbox","r");
175: char buf[1024];
176: int i=0;
177: if (f) {
178: while (fgets(buf,1023,f)) {
179: ++i;
180: printf("%d %lu %s",i,ftell(f),buf);
181: }
182: }
1.157 fefe 183: #endif
1.152 fefe 184: #if 0
1.151 fefe 185: char template[]="/tmp/duh/fnord-XXXXXX";
186: printf("%d\n",mkdtemp(template));
1.152 fefe 187: #endif
1.151 fefe 188: #if 0
1.150 fefe 189: char *inbuf="\xe2\x89\xa0";
190: // char *inbuf="\xc2\xa9";
191: char outbuf[100];
192: char *obptr=&outbuf;
193: size_t iblen=strlen(inbuf);
194: size_t oblen=100;
195: iconv_t i=iconv_open("utf-8","utf-8");
196: iconv(i,&inbuf,&iblen,&obptr,&oblen);
197: iconv_close(i);
198: outbuf[100-oblen]=0;
199: puts(outbuf);
1.151 fefe 200: #endif
1.150 fefe 201: #if 0
1.149 fefe 202: printf("%c %c\n",tolower('C'),toupper('c'));
1.150 fefe 203: #endif
1.147 fefe 204: #if 0
1.145 fefe 205: printf("foo\n");
1.146 fefe 206: #endif
1.145 fefe 207: #if 0
208: char strport[10];
209: int i;
210: for (i=0; i<10; ++i) strport[i]=i+'0';
211: snprintf( strport, sizeof(strport), "%d", 80 );
212: puts(strport);
213: #endif
1.179 fefe 214: #if 0
1.145 fefe 215: struct addrinfo *ai;
216: struct addrinfo hints;
217: char buf[16];
218: memset(&hints,0,sizeof(hints));
1.157 fefe 219: #if 0
1.145 fefe 220: hints.ai_family = AF_UNSPEC;
221: hints.ai_flags = AI_PASSIVE;
222: hints.ai_socktype = SOCK_STREAM;
1.157 fefe 223: #endif
224: hints.ai_family=0;
225: hints.ai_flags=0;
226: hints.ai_socktype=1;
227: hints.ai_protocol=0;
228: hints.ai_addrlen=0;
229: hints.ai_addr=0;
230: hints.ai_canonname=0;
231: hints.ai_next=0;
232: printf("%d\n",getaddrinfo("news.fu-berlin.de","119",&hints,&ai));
1.145 fefe 233: while (ai) {
234: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
235: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
236: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
237: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
238: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
239: {
240: char buf[100];
241: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
242: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
243: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
244: printf(" %s\n",buf);
245: }
246: ai=ai->ai_next;
247: }
248: #endif
1.144 fefe 249: #if 0
250: char buf[101];
251: __dtostr(M_PI,buf,100,6);
252: #endif
1.145 fefe 253: #if 0
1.144 fefe 254: printf("%d\n",strcasecmp("foo","FOO"));
1.145 fefe 255: #endif
1.144 fefe 256: #if 0
1.143 fefe 257: printf("%.24s", "Sun Jan 2 08:29:13 1994\n");
1.144 fefe 258: #endif
1.143 fefe 259: #if 0
260: printf("%.*s\n",13,"fnord");
261: #endif
1.141 fefe 262: #if 0
1.140 fefe 263: double d=strtod(argv[1],0);
264: printf("%g|\n",d);
1.141 fefe 265: #endif
1.140 fefe 266: #if 0
1.139 fefe 267: char buf[100];
268: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
269: puts(buf);
1.140 fefe 270: #endif
271: #if 0
1.139 fefe 272: printf("%lld\n",-1ll);
273: #endif
1.143 fefe 274: #if 0
1.139 fefe 275: char *str="e";
276: setbuf(stdout,0);
277: printf("foo\n");
278: fputc(toupper(*str++),stdout);
279: printf("bar\n");
1.138 fefe 280: #endif
1.137 fefe 281: #if 0
1.136 fefe 282: fwrite("foobar",6,1,stdout);
1.137 fefe 283: #endif
1.136 fefe 284: #if 0
1.135 fefe 285: char x[5];
286: x[4]='x';
287: fgets(x,4,stdin);
288: puts(x);
289: printf("%c\n",x[4]);
1.136 fefe 290: #endif
1.134 fefe 291: #if 0
1.133 fefe 292: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
293: char* want[]={"/usr","/",".","/",".","."};
294: int i;
295: for (i=0; i<6; ++i) {
296: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
297: }
1.134 fefe 298: #endif
1.133 fefe 299: #if 0
300: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
301: char* want[]={"lib","usr","usr","/",".",".."};
302: int i;
303: for (i=0; i<6; ++i) {
304: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
305: }
306: #endif
307: #if 0
1.132 fefe 308: int i;
309: for (i=0; i<255; ++i) {
310: int a=isalpha(i);
311: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
312: if (a!=b) printf("%d: %d %d\n",i,a,b);
313: }
1.133 fefe 314: #endif
1.131 fefe 315: #if 0
1.130 fefe 316: char* name;
317: int ptyfd,ttyfd;
318: int i=openpty(&ptyfd,&ttyfd,0,0,0);
319: if (i<0) perror("openpty");
320: printf("%d %d\n",ptyfd,ttyfd);
321: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 322: #endif
1.129 fefe 323: #if 0
324: printf("0x%8.7lx\n",0xfefe);
325: #endif
326: #if 0
1.128 fefe 327: puts(ttyname(0));
1.129 fefe 328: #endif
1.185 fefe 329: #if 0
1.125 fefe 330: char buf[1024];
331: struct hostent* r;
1.184 fefe 332: r=gethostbyname("www.convergence.de");
1.174 fefe 333: if (!r) {
334: printf("dns error: %s\n",hstrerror(h_errno));
335: }
1.152 fefe 336: {
337: /* while (r=gethostent_r(buf,1024)) { */
1.125 fefe 338: if (r && r->h_name) {
1.152 fefe 339: int i;
340: printf("name \"%s\"; ", r->h_name);
341: for (i=0; i<8; ++i)
342: if (r->h_aliases[i]) {
343: printf("alias \"%s\"; ",r->h_aliases[i]);
1.174 fefe 344: } else break;
1.152 fefe 345: if ((r->h_addr_list)[0]) {
346: struct in_addr address;
347: address = *((struct in_addr *) (r->h_addr_list)[0]);
348: printf("addr %s; ", inet_ntoa(address));
349: }
350: putchar('\n');
1.125 fefe 351: }
352: }
353: #endif
354: #if 0
1.124 fefe 355: char *tmp;
356: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 357: #endif
1.128 fefe 358: #if 0
1.123 fefe 359: struct mntent* me;
1.127 fefe 360: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 361: while (me=getmntent(f)) {
1.139 fefe 362: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 363: 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 364: break;
1.123 fefe 365: }
1.124 fefe 366: #endif
1.123 fefe 367: #if 0
368: char *tmp;
369: printf("%x\n",strtol("0Xffff",&tmp,16));
370: #endif
1.155 fefe 371: /* putchar('c');
372: write(1,"fnord\n",6); */
1.176 fefe 373: #if 0
1.121 fefe 374: struct addrinfo *ai;
1.175 fefe 375: // getaddrinfo("xorn","22",0,&ai);
376: puts(gai_strerror(getaddrinfo("xorn","22",0,&ai)));
1.121 fefe 377: #endif
1.122 fefe 378: #if 0
1.121 fefe 379: struct hostent host,*res;
380: char buf[4096];
381: int fnord;
382:
1.131 fefe 383: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 384: #endif
1.121 fefe 385: #if 0
1.119 fefe 386: char buf[128];
1.120 fefe 387: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 388: printf("%d\n",mkdtemp(buf));
389: printf("%s\n",buf);
1.120 fefe 390: #endif
1.119 fefe 391: #if 0
1.118 fefe 392: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 393: #endif
1.113 fefe 394: #if 0
1.109 fefe 395: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 396: assert(0);
1.113 fefe 397: #endif
1.105 fefe 398: #if 0
399: printf("%hd %hhd\n",-5,-1234567);
400: #endif
1.103 fefe 401: #if 0
1.102 fefe 402: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
403: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 404: #endif
1.102 fefe 405: #if 0
1.101 fefe 406: char buf[1024];
407: int len;
408: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 409: #endif
1.114 fefe 410: #if 0
1.100 fefe 411: regex_t t;
412: regmatch_t rm;
1.103 fefe 413: // regcomp(&t,"^ *read",0);
1.113 fefe 414: regcomp(&t,"\\<foo\\>",0);
415: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 416: printf("ofs %d\n",rm.rm_so);
1.101 fefe 417: #endif
1.100 fefe 418: #if 0
1.98 fefe 419: char buf[100];
1.99 fefe 420: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 421: #endif
1.99 fefe 422: #if 0
423: char buf[100];
1.98 fefe 424: memset(buf,17,100);
425: buf[0]=0;
426: strncat(buf,"foobarbaz23",10);
427: puts(buf);
1.99 fefe 428: #endif
1.98 fefe 429: #if 0
1.97 fefe 430: int aflag = 0;
431: int bflag = 0;
432: char *cvalue = NULL;
433: int index;
434: int c;
435:
436: opterr = 1;
437:
438: while ((c = getopt (argc, argv, "abc:")) != -1)
439: switch (c)
440: {
441: case 'a':
442: aflag = 1;
443: break;
444: case 'b':
445: bflag = 1;
446: break;
447: case 'c':
448: cvalue = optarg;
449: break;
450: case '?':
451: if (isprint (optopt))
452: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
453: else
454: fprintf (stderr,
455: "Unknown option character `\\x%x'.\n",
456: optopt);
457: return 1;
458: default:
459: abort ();
460: }
1.96 fefe 461:
1.97 fefe 462: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
463: aflag, bflag, cvalue);
464:
465: for (index = optind; index < argc; index++)
466: printf ("Non-option argument %s\n", argv[index]);
467: return 0;
1.98 fefe 468: #endif
1.97 fefe 469: #if 0
1.96 fefe 470: char *t="foobar";
471: char *c;
472: char buf[1000];
473: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 474: #endif
1.89 fefe 475: #if 0
476: struct netent* n=getnetbyname("loopback");
477: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
478: #endif
479: #if 0
1.88 fefe 480: fprintf(stdout,"foo\n");
481: sleep(1);
482: fprintf(stdout,"bar");
483: fprintf(stderr,"blonk");
484: sleep(1);
485: fprintf(stdout,"\rbz");
486: sleep(1);
487: fprintf(stdout,"\n");
488: sleep(1);
1.89 fefe 489: #endif
1.87 fefe 490: #if 0
1.86 fefe 491: sigset_t s; /* sigsetops */
492:
493: sigemptyset(&s);
494: sigaddset(&s,SIGCHLD);
495: sigaddset(&s,SIGHUP);
496: sigsuspend(&s);
1.87 fefe 497: #endif
1.85 fefe 498: #if 0
1.84 fefe 499: char buf[1024];
500: FILE *f=popen("uname -srm","r");
501: fgets(buf,1023,f);
502: pclose(f);
503: write(1,buf,strlen(buf));
1.85 fefe 504: #endif
1.84 fefe 505: #if 0
1.82 fefe 506: char type[64];
1.83 fefe 507: char filename[256];
508: int major,minor;
1.82 fefe 509: int len;
1.83 fefe 510: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
511: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 512: #endif
1.82 fefe 513: #if 0
1.81 fefe 514: char buf[100];
515: char ip[16];
516: memset(ip,0,16);
517: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
518: puts(buf);
1.82 fefe 519: #endif
1.127 fefe 520: #if 0
1.76 fefe 521: struct addrinfo *ai;
1.78 fefe 522: struct addrinfo hints;
1.79 fefe 523: char buf[16];
1.78 fefe 524: hints.ai_family = AF_UNSPEC;
1.79 fefe 525: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 526: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 527: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 528: while (ai) {
529: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
530: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
531: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
532: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
533: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 534: {
535: char buf[100];
536: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
537: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
538: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
539: printf(" %s\n",buf);
540: }
1.76 fefe 541: ai=ai->ai_next;
542: }
1.81 fefe 543: #endif
1.76 fefe 544: #if 0
1.71 fefe 545: int i=foo;
1.75 fefe 546: printf("load average is %3.2f\n",0.0);
1.76 fefe 547: #endif
1.70 fefe 548: #if 0
1.69 fefe 549: struct dirent **namelist;
550: int n;
1.16 fefe 551:
1.69 fefe 552: n = scandir(".", &namelist, 0, alphasort);
553: if (n < 0)
554: perror("scandir");
555: else {
556: while(n--) {
557: printf("%s\n", namelist[n]->d_name);
558: free(namelist[n]);
559: }
560: free(namelist);
561: }
1.70 fefe 562: #endif
1.68 fefe 563: #if 0
1.67 fefe 564: char foo[10]="none,zlib";
565: char *tmp,*tmp2=foo;
566: while (tmp=strsep(&tmp2,",")) {
567: puts(tmp);
568: }
1.68 fefe 569: #endif
1.65 fefe 570: #if 0
1.61 fefe 571: char foo[10];
1.64 fefe 572: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 573: strcpy(foo,"foo");
574: strncat(foo,"barbaz",3);
575: foo[6]=0;
576: puts(foo);
1.65 fefe 577: #endif
1.115 fefe 578: #if 0
1.58 fefe 579: struct hostent * host;
580: struct in_addr i;
1.57 fefe 581:
1.131 fefe 582: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 583:
1.58 fefe 584: if (!host)
585: printf("host null\n");
1.57 fefe 586:
1.58 fefe 587: if (host && host->h_name) {
588: printf("name %s\n", host->h_name);
589: }
590: if (host && (host->h_addr_list)[0]) {
591: struct in_addr address;
592: address = *((struct in_addr *) (host->h_addr_list)[0]);
593: printf("addr %s\n", inet_ntoa(address));
594: }
1.59 fefe 595: #endif
1.57 fefe 596: #if 0
1.56 fefe 597: struct msgbuf bla;
598: bla.mtype=0;
599: bla.mtext[0]='x';
600: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 601: #endif
1.55 fefe 602: #if 0
1.54 fefe 603: char buf[PATH_MAX];
604: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 605: #endif
1.73 fefe 606: #if 0
1.53 fefe 607: regex_t t;
1.68 fefe 608: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 609: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 610: #endif
1.53 fefe 611: #if 0
1.52 fefe 612: float my_float = 9.2334;
613: char buffer[100];
614:
615: sprintf(buffer, "%.2f", my_float);
616: fprintf(stdout, "%s", buffer);
1.53 fefe 617: #endif
1.52 fefe 618: #if 0
1.51 fefe 619: printf("%d\n",setenv("foo","bar",0));
620: printf("%d\n",setenv("foo","bar",1));
621: execlp("printenv","printenv","foo",0);
1.52 fefe 622: #endif
1.106 fefe 623: #if 0
1.59 fefe 624: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 625: if (!fnmatch("s*", "sub", 0))
626: printf("s* sub\n");
627: if (!fnmatch("s*", "glob", 0))
628: printf("s* glob\n");
629: if (!fnmatch("s*b", "sub", 0))
630: printf("s*b sub\n");
631: if (!fnmatch("s*h", "sub", 0))
632: printf("s*h sub\n");
1.51 fefe 633: #endif
1.49 fefe 634: #if 0
1.48 fefe 635: char*tmp;
636: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
637: write(1,tmp,n);
638: free(tmp);
1.49 fefe 639: #endif
1.41 fefe 640: #if 0
1.40 fefe 641: struct passwd *p=getpwnam("leitner");
1.41 fefe 642: struct spwd *s=getspnam("leitner");
1.39 fefe 643: printf("%g\n",30.0123);
1.41 fefe 644: #endif
1.43 fefe 645: #if 0
1.42 fefe 646: initgroups("root",100);
1.43 fefe 647: #endif
1.38 fefe 648: #if 0
1.37 fefe 649: time_t t=time(0);
650: puts(asctime(localtime(&t)));
1.38 fefe 651: #endif
1.135 fefe 652: #if 0
1.134 fefe 653: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 654: if (foo)
655: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 656: #endif
1.121 fefe 657: #if 0
1.33 fefe 658: char buf[128];
1.120 fefe 659: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 660: printf("%d\n",mkstemp(buf));
1.34 fefe 661: printf("%s\n",buf);
662: unlink(buf);
1.35 fefe 663: #endif
1.33 fefe 664: #if 0
1.32 fefe 665: char buf[512]="foo";
666: strncat(buf,"barbaz",3);
667: puts(buf);
1.33 fefe 668: #endif
1.32 fefe 669: #if 0
1.31 fefe 670: time_t oink=time(0);
671: struct tm *duh=localtime(&oink);
672: strftime(buf,512,"%A %B %Y\n",duh);
673: puts(buf);
1.32 fefe 674: #endif
1.126 fefe 675: #if 0
1.28 fefe 676: struct in_addr bar;
677: struct hostent *foo;
1.125 fefe 678: inet_aton("160.45.10.8",&bar);
679: /* foo=gethostbyname("zeit.fu-berlin.de"); */
680: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 681: if (foo)
682: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 683: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 684: #endif
1.18 fefe 685: #if 0
1.17 fefe 686: double d=0.0;
687: long long t=0x12345678ABCDEF01;
688: d/=0.0;
689: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 690: #endif
1.177 fefe 691: #if 0
1.176 fefe 692: #define SIZE 1000
693: int array[SIZE],array2[SIZE];
1.16 fefe 694: int i,j;
695: long a,b,c;
1.176 fefe 696: int *k;
697: for (i=0; i<SIZE; ++i) array[i]=rand();
698: memcpy(array2,array,sizeof(array));
699: qsort(array,SIZE,sizeof(int),compint);
700: for (i=0; i<SIZE-1; ++i)
701: assert(array[i]>array[i+1]);
702: k=bsearch(array+10,array,SIZE,sizeof(int),compint);
703: printf("%d\n",*k);
704: #endif
705: #if 0
1.16 fefe 706: printf("%p\n",malloc(0));
707: qsort(array,2,sizeof(int),compint);
708: for (i=0; i<SIZE; ++i)
709: array[i]=rand();
710: rdtscl(a);
711: qsort(array,SIZE,sizeof(int),compint);
712: rdtscl(b);
713: j=array[LOOKFOR];
714: res=bsearch(&j,array,SIZE,sizeof(int),compint);
715: rdtscl(c);
716: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
717: for (i=0; i<SIZE-1; ++i)
718: if (array[i]>array[i+1]) {
719: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
720: return 1;
721: }
722: if (*res!=j)
723: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
724: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 725: #endif
1.13 fefe 726: #if 0
1.12 fefe 727: struct in_addr duh;
728: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
729: printf("%x\n",duh.s_addr);
1.13 fefe 730: #endif
1.12 fefe 731: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 732: #if 0
1.10 fefe 733: char buf[100];
734: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
735: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 736: #endif
1.9 fefe 737: #if 0
1.7 fefe 738: struct tm duh;
739: time_t t;
1.8 fefe 740: time(&t);
741: gmtime_r(&t,&duh);
742: printf("%s\n",asctime(&duh));
1.9 fefe 743: #endif
1.8 fefe 744: #if 0
1.7 fefe 745: char buf[30];
746: duh.tm_sec=42;
747: duh.tm_min=23;
748: duh.tm_hour=17;
749: duh.tm_mday=2;
750: duh.tm_mon=7;
751: duh.tm_year=100;
752: t=mktime(&duh);
753: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 754: #endif
1.2 fefe 755: #if 0
1.1 cvs 756: int i;
757: for (i=0; i<5; i++) {
758: fprintf(stdout,"first message\n");
759: fprintf(stdout,"second message\n");
760: fprintf(stdout,"third message\n");
761: printf("foo %d\n",i);
762: }
1.2 fefe 763: #endif
1.1 cvs 764: #if 0
765: char buf[1024];
766: sscanf("foo bar","%s",buf);
767: printf("%s\n",buf);
768: #endif
769: #if 0
770: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
771: perror("mount");
772: #endif
773: #if 0
774: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
775: int i=strtol(t+1,&t,10);
776: printf("%d %s\n",i,t);
777: #endif
778: #if 0
779: char **tmp;
1.115 fefe 780: putenv("A=foo");
1.1 cvs 781: for (tmp=environ; *tmp; tmp++)
782: puts(*tmp);
783: #endif
784: #if 0
785: char buf[1024];
786: printf("%d\n",fprintf(stderr,"duh\n"));
787: #endif
788: #if 0
789: struct passwd *p=getpwuid(100);
790: puts(p->pw_name);
791: #endif
792: #if 0
793: int pid;
794: char name[32];
795: sscanf("1 (init","%d (%15c",&pid,name);
796: printf("pid %d name %s\n",pid,name);
797: #endif
1.109 fefe 798: #if 0
1.1 cvs 799: DIR *d=opendir("/proc");
800: if (d) {
801: struct dirent *D;
802: while (D=readdir(d))
803: puts(D->d_name);
804: closedir(d);
805: }
806: #endif
807: #if 0
808: char buf[1024];
809: int fd=open("/etc/passwd",0);
810: pread(fd,buf,30,32);
811: close(fd);
812: write(1,buf,32);
813: #endif
814: #if 0
815: char *argv[] = {"echo","foo",0};
816: char buf[100];
817: buf[5]='x';
818: sprintf(buf,"foo\n");
819: if (buf[5] == 'x')
820: exit(0);
821: else
822: exit(1);
823: execvp(argv[0],argv);
824: #endif
1.10 fefe 825: #if 0
1.1 cvs 826: struct stat64 f;
827: char buf[128];
828: fstat64(0,&f);
829: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
830: return 0;
831: #endif
832: #if 0
833: FILE *f=fopen("foo","w");
834: fputc('a',f);
835: fputc('b',f);
836: fputc('c',f);
837: #endif
838: /* fprintf(stdout,"foo\n"); */
839: }
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