Annotation of dietlibc/t.c, revision 1.177
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) {
94: register int* A=a;
95: register int* B=b;
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:
1.174 fefe 104: #if 0
1.171 fefe 105: int traverse(const char* file, const struct stat* sb, int flag) {
106: __write1("found ");
107: __write1(file);
108: __write1("\n");
109: return 0;
110: }
1.174 fefe 111: #endif
1.171 fefe 112:
1.97 fefe 113: int main(int argc,char *argv[]) {
1.172 fefe 114: #if 0
1.171 fefe 115: ftw("/tmp",traverse,10);
1.172 fefe 116: #endif
1.168 fefe 117: #if 0
1.169 fefe 118: printf("%u\n",getuid32());
119: #endif
120: #if 0
1.167 fefe 121: FILE *f;
122: int i;
123: char addr6p[8][5];
124: int plen, scope, dad_status, if_idx;
125: char addr6[40], devname[20];
126: if ((f = fopen("/proc/net/if_inet6", "r")) != NULL) {
127: while ((i=fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
128: addr6p[0], addr6p[1], addr6p[2], addr6p[3],
129: addr6p[4], addr6p[5], addr6p[6], addr6p[7],
130: &if_idx, &plen, &scope, &dad_status, devname)) != EOF) {
131: printf("i=%d\n",i);
132: }
133: }
1.168 fefe 134: #endif
1.169 fefe 135: #if 0
1.166 fefe 136: printf("%s\n",crypt("test","$1$"));
1.167 fefe 137: #endif
1.173 fefe 138: #if 0
1.166 fefe 139: MD5_CTX x;
140: unsigned char md5[16];
141: MD5Init(&x);
1.167 fefe 142: MD5Update(&x,"a",1);
1.166 fefe 143: MD5Final(md5,&x);
144: {
145: int i;
146: for (i=0; i<16; ++i) {
147: printf("%02x",md5[i]);
148: }
149: putchar('\n');
150: }
1.167 fefe 151: #endif
152: #if 0
1.165 fefe 153: printf("%d\n",memchr("aaaa",'x',4));
1.166 fefe 154: #endif
1.164 fefe 155: #if 0
156: long a,b,c;
1.161 fefe 157: char buf[20]="fnord";
1.164 fefe 158: strcpy(buf,"Fnordhausen");
159: strcpy2(buf,"Fnordhausen");
160: rdtscl(a);
161: strcpy(buf,"Fnordhausen");
162: rdtscl(b);
163: strcpy2(buf,"Fnordhausen");
164: rdtscl(c);
165: printf("C: %d ticks, asm: %d ticks\n",b-a,c-b);
166: #endif
167:
1.163 fefe 168: /* printf("%d\n",strcmp(buf,"fnord")); */
1.157 fefe 169: #if 0
170: regex_t r;
171: // printf("regcomp %d\n",regcomp(&r,"^(re([\\[0-9\\]+])*|aw):[ \t]*",REG_EXTENDED));
172: printf("regcomp %d\n",regcomp(&r,"^([A-Za-z ]+>|[]>:|}-][]>:|}-]*)",REG_EXTENDED));
173: printf("regexec %d\n",regexec(&r,"Marketing-Laufbahn hinterdir.",1,0,REG_NOSUB));
174: #endif
175: #if 0
1.156 fefe 176: FILE *f=fopen("/home/leitner/Mail/outbox","r");
177: char buf[1024];
178: int i=0;
179: if (f) {
180: while (fgets(buf,1023,f)) {
181: ++i;
182: printf("%d %lu %s",i,ftell(f),buf);
183: }
184: }
1.157 fefe 185: #endif
1.152 fefe 186: #if 0
1.151 fefe 187: char template[]="/tmp/duh/fnord-XXXXXX";
188: printf("%d\n",mkdtemp(template));
1.152 fefe 189: #endif
1.151 fefe 190: #if 0
1.150 fefe 191: char *inbuf="\xe2\x89\xa0";
192: // char *inbuf="\xc2\xa9";
193: char outbuf[100];
194: char *obptr=&outbuf;
195: size_t iblen=strlen(inbuf);
196: size_t oblen=100;
197: iconv_t i=iconv_open("utf-8","utf-8");
198: iconv(i,&inbuf,&iblen,&obptr,&oblen);
199: iconv_close(i);
200: outbuf[100-oblen]=0;
201: puts(outbuf);
1.151 fefe 202: #endif
1.150 fefe 203: #if 0
1.149 fefe 204: printf("%c %c\n",tolower('C'),toupper('c'));
1.150 fefe 205: #endif
1.147 fefe 206: #if 0
1.145 fefe 207: printf("foo\n");
1.146 fefe 208: #endif
1.145 fefe 209: #if 0
210: char strport[10];
211: int i;
212: for (i=0; i<10; ++i) strport[i]=i+'0';
213: snprintf( strport, sizeof(strport), "%d", 80 );
214: puts(strport);
215: #endif
216: #if 0
217: struct addrinfo *ai;
218: struct addrinfo hints;
219: char buf[16];
220: memset(&hints,0,sizeof(hints));
1.157 fefe 221: #if 0
1.145 fefe 222: hints.ai_family = AF_UNSPEC;
223: hints.ai_flags = AI_PASSIVE;
224: hints.ai_socktype = SOCK_STREAM;
1.157 fefe 225: #endif
226: hints.ai_family=0;
227: hints.ai_flags=0;
228: hints.ai_socktype=1;
229: hints.ai_protocol=0;
230: hints.ai_addrlen=0;
231: hints.ai_addr=0;
232: hints.ai_canonname=0;
233: hints.ai_next=0;
234: printf("%d\n",getaddrinfo("news.fu-berlin.de","119",&hints,&ai));
1.145 fefe 235: while (ai) {
236: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
237: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
238: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
239: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
240: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
241: {
242: char buf[100];
243: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
244: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
245: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
246: printf(" %s\n",buf);
247: }
248: ai=ai->ai_next;
249: }
250: #endif
1.144 fefe 251: #if 0
252: char buf[101];
253: __dtostr(M_PI,buf,100,6);
254: #endif
1.145 fefe 255: #if 0
1.144 fefe 256: printf("%d\n",strcasecmp("foo","FOO"));
1.145 fefe 257: #endif
1.144 fefe 258: #if 0
1.143 fefe 259: printf("%.24s", "Sun Jan 2 08:29:13 1994\n");
1.144 fefe 260: #endif
1.143 fefe 261: #if 0
262: printf("%.*s\n",13,"fnord");
263: #endif
1.141 fefe 264: #if 0
1.140 fefe 265: double d=strtod(argv[1],0);
266: printf("%g|\n",d);
1.141 fefe 267: #endif
1.140 fefe 268: #if 0
1.139 fefe 269: char buf[100];
270: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
271: puts(buf);
1.140 fefe 272: #endif
273: #if 0
1.139 fefe 274: printf("%lld\n",-1ll);
275: #endif
1.143 fefe 276: #if 0
1.139 fefe 277: char *str="e";
278: setbuf(stdout,0);
279: printf("foo\n");
280: fputc(toupper(*str++),stdout);
281: printf("bar\n");
1.138 fefe 282: #endif
1.137 fefe 283: #if 0
1.136 fefe 284: fwrite("foobar",6,1,stdout);
1.137 fefe 285: #endif
1.136 fefe 286: #if 0
1.135 fefe 287: char x[5];
288: x[4]='x';
289: fgets(x,4,stdin);
290: puts(x);
291: printf("%c\n",x[4]);
1.136 fefe 292: #endif
1.134 fefe 293: #if 0
1.133 fefe 294: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
295: char* want[]={"/usr","/",".","/",".","."};
296: int i;
297: for (i=0; i<6; ++i) {
298: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
299: }
1.134 fefe 300: #endif
1.133 fefe 301: #if 0
302: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
303: char* want[]={"lib","usr","usr","/",".",".."};
304: int i;
305: for (i=0; i<6; ++i) {
306: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
307: }
308: #endif
309: #if 0
1.132 fefe 310: int i;
311: for (i=0; i<255; ++i) {
312: int a=isalpha(i);
313: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
314: if (a!=b) printf("%d: %d %d\n",i,a,b);
315: }
1.133 fefe 316: #endif
1.131 fefe 317: #if 0
1.130 fefe 318: char* name;
319: int ptyfd,ttyfd;
320: int i=openpty(&ptyfd,&ttyfd,0,0,0);
321: if (i<0) perror("openpty");
322: printf("%d %d\n",ptyfd,ttyfd);
323: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 324: #endif
1.129 fefe 325: #if 0
326: printf("0x%8.7lx\n",0xfefe);
327: #endif
328: #if 0
1.128 fefe 329: puts(ttyname(0));
1.129 fefe 330: #endif
1.177 ! fefe 331: #if 1
1.125 fefe 332: char buf[1024];
333: struct hostent* r;
1.177 ! fefe 334: r=gethostbyname("line.org");
1.174 fefe 335: if (!r) {
336: printf("dns error: %s\n",hstrerror(h_errno));
337: }
1.152 fefe 338: {
339: /* while (r=gethostent_r(buf,1024)) { */
1.125 fefe 340: if (r && r->h_name) {
1.152 fefe 341: int i;
342: printf("name \"%s\"; ", r->h_name);
343: for (i=0; i<8; ++i)
344: if (r->h_aliases[i]) {
345: printf("alias \"%s\"; ",r->h_aliases[i]);
1.174 fefe 346: } else break;
1.152 fefe 347: if ((r->h_addr_list)[0]) {
348: struct in_addr address;
349: address = *((struct in_addr *) (r->h_addr_list)[0]);
350: printf("addr %s; ", inet_ntoa(address));
351: }
352: putchar('\n');
1.125 fefe 353: }
354: }
355: #endif
356: #if 0
1.124 fefe 357: char *tmp;
358: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 359: #endif
1.128 fefe 360: #if 0
1.123 fefe 361: struct mntent* me;
1.127 fefe 362: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 363: while (me=getmntent(f)) {
1.139 fefe 364: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 365: 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 366: break;
1.123 fefe 367: }
1.124 fefe 368: #endif
1.123 fefe 369: #if 0
370: char *tmp;
371: printf("%x\n",strtol("0Xffff",&tmp,16));
372: #endif
1.155 fefe 373: /* putchar('c');
374: write(1,"fnord\n",6); */
1.176 fefe 375: #if 0
1.121 fefe 376: struct addrinfo *ai;
1.175 fefe 377: // getaddrinfo("xorn","22",0,&ai);
378: puts(gai_strerror(getaddrinfo("xorn","22",0,&ai)));
1.121 fefe 379: #endif
1.122 fefe 380: #if 0
1.121 fefe 381: struct hostent host,*res;
382: char buf[4096];
383: int fnord;
384:
1.131 fefe 385: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 386: #endif
1.121 fefe 387: #if 0
1.119 fefe 388: char buf[128];
1.120 fefe 389: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 390: printf("%d\n",mkdtemp(buf));
391: printf("%s\n",buf);
1.120 fefe 392: #endif
1.119 fefe 393: #if 0
1.118 fefe 394: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 395: #endif
1.113 fefe 396: #if 0
1.109 fefe 397: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 398: assert(0);
1.113 fefe 399: #endif
1.105 fefe 400: #if 0
401: printf("%hd %hhd\n",-5,-1234567);
402: #endif
1.103 fefe 403: #if 0
1.102 fefe 404: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
405: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 406: #endif
1.102 fefe 407: #if 0
1.101 fefe 408: char buf[1024];
409: int len;
410: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 411: #endif
1.114 fefe 412: #if 0
1.100 fefe 413: regex_t t;
414: regmatch_t rm;
1.103 fefe 415: // regcomp(&t,"^ *read",0);
1.113 fefe 416: regcomp(&t,"\\<foo\\>",0);
417: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 418: printf("ofs %d\n",rm.rm_so);
1.101 fefe 419: #endif
1.100 fefe 420: #if 0
1.98 fefe 421: char buf[100];
1.99 fefe 422: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 423: #endif
1.99 fefe 424: #if 0
425: char buf[100];
1.98 fefe 426: memset(buf,17,100);
427: buf[0]=0;
428: strncat(buf,"foobarbaz23",10);
429: puts(buf);
1.99 fefe 430: #endif
1.98 fefe 431: #if 0
1.97 fefe 432: int aflag = 0;
433: int bflag = 0;
434: char *cvalue = NULL;
435: int index;
436: int c;
437:
438: opterr = 1;
439:
440: while ((c = getopt (argc, argv, "abc:")) != -1)
441: switch (c)
442: {
443: case 'a':
444: aflag = 1;
445: break;
446: case 'b':
447: bflag = 1;
448: break;
449: case 'c':
450: cvalue = optarg;
451: break;
452: case '?':
453: if (isprint (optopt))
454: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
455: else
456: fprintf (stderr,
457: "Unknown option character `\\x%x'.\n",
458: optopt);
459: return 1;
460: default:
461: abort ();
462: }
1.96 fefe 463:
1.97 fefe 464: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
465: aflag, bflag, cvalue);
466:
467: for (index = optind; index < argc; index++)
468: printf ("Non-option argument %s\n", argv[index]);
469: return 0;
1.98 fefe 470: #endif
1.97 fefe 471: #if 0
1.96 fefe 472: char *t="foobar";
473: char *c;
474: char buf[1000];
475: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 476: #endif
1.89 fefe 477: #if 0
478: struct netent* n=getnetbyname("loopback");
479: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
480: #endif
481: #if 0
1.88 fefe 482: fprintf(stdout,"foo\n");
483: sleep(1);
484: fprintf(stdout,"bar");
485: fprintf(stderr,"blonk");
486: sleep(1);
487: fprintf(stdout,"\rbz");
488: sleep(1);
489: fprintf(stdout,"\n");
490: sleep(1);
1.89 fefe 491: #endif
1.87 fefe 492: #if 0
1.86 fefe 493: sigset_t s; /* sigsetops */
494:
495: sigemptyset(&s);
496: sigaddset(&s,SIGCHLD);
497: sigaddset(&s,SIGHUP);
498: sigsuspend(&s);
1.87 fefe 499: #endif
1.85 fefe 500: #if 0
1.84 fefe 501: char buf[1024];
502: FILE *f=popen("uname -srm","r");
503: fgets(buf,1023,f);
504: pclose(f);
505: write(1,buf,strlen(buf));
1.85 fefe 506: #endif
1.84 fefe 507: #if 0
1.82 fefe 508: char type[64];
1.83 fefe 509: char filename[256];
510: int major,minor;
1.82 fefe 511: int len;
1.83 fefe 512: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
513: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 514: #endif
1.82 fefe 515: #if 0
1.81 fefe 516: char buf[100];
517: char ip[16];
518: memset(ip,0,16);
519: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
520: puts(buf);
1.82 fefe 521: #endif
1.127 fefe 522: #if 0
1.76 fefe 523: struct addrinfo *ai;
1.78 fefe 524: struct addrinfo hints;
1.79 fefe 525: char buf[16];
1.78 fefe 526: hints.ai_family = AF_UNSPEC;
1.79 fefe 527: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 528: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 529: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 530: while (ai) {
531: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
532: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
533: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
534: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
535: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 536: {
537: char buf[100];
538: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
539: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
540: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
541: printf(" %s\n",buf);
542: }
1.76 fefe 543: ai=ai->ai_next;
544: }
1.81 fefe 545: #endif
1.76 fefe 546: #if 0
1.71 fefe 547: int i=foo;
1.75 fefe 548: printf("load average is %3.2f\n",0.0);
1.76 fefe 549: #endif
1.70 fefe 550: #if 0
1.69 fefe 551: struct dirent **namelist;
552: int n;
1.16 fefe 553:
1.69 fefe 554: n = scandir(".", &namelist, 0, alphasort);
555: if (n < 0)
556: perror("scandir");
557: else {
558: while(n--) {
559: printf("%s\n", namelist[n]->d_name);
560: free(namelist[n]);
561: }
562: free(namelist);
563: }
1.70 fefe 564: #endif
1.68 fefe 565: #if 0
1.67 fefe 566: char foo[10]="none,zlib";
567: char *tmp,*tmp2=foo;
568: while (tmp=strsep(&tmp2,",")) {
569: puts(tmp);
570: }
1.68 fefe 571: #endif
1.65 fefe 572: #if 0
1.61 fefe 573: char foo[10];
1.64 fefe 574: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 575: strcpy(foo,"foo");
576: strncat(foo,"barbaz",3);
577: foo[6]=0;
578: puts(foo);
1.65 fefe 579: #endif
1.115 fefe 580: #if 0
1.58 fefe 581: struct hostent * host;
582: struct in_addr i;
1.57 fefe 583:
1.131 fefe 584: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 585:
1.58 fefe 586: if (!host)
587: printf("host null\n");
1.57 fefe 588:
1.58 fefe 589: if (host && host->h_name) {
590: printf("name %s\n", host->h_name);
591: }
592: if (host && (host->h_addr_list)[0]) {
593: struct in_addr address;
594: address = *((struct in_addr *) (host->h_addr_list)[0]);
595: printf("addr %s\n", inet_ntoa(address));
596: }
1.59 fefe 597: #endif
1.57 fefe 598: #if 0
1.56 fefe 599: struct msgbuf bla;
600: bla.mtype=0;
601: bla.mtext[0]='x';
602: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 603: #endif
1.55 fefe 604: #if 0
1.54 fefe 605: char buf[PATH_MAX];
606: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 607: #endif
1.73 fefe 608: #if 0
1.53 fefe 609: regex_t t;
1.68 fefe 610: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 611: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 612: #endif
1.53 fefe 613: #if 0
1.52 fefe 614: float my_float = 9.2334;
615: char buffer[100];
616:
617: sprintf(buffer, "%.2f", my_float);
618: fprintf(stdout, "%s", buffer);
1.53 fefe 619: #endif
1.52 fefe 620: #if 0
1.51 fefe 621: printf("%d\n",setenv("foo","bar",0));
622: printf("%d\n",setenv("foo","bar",1));
623: execlp("printenv","printenv","foo",0);
1.52 fefe 624: #endif
1.106 fefe 625: #if 0
1.59 fefe 626: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 627: if (!fnmatch("s*", "sub", 0))
628: printf("s* sub\n");
629: if (!fnmatch("s*", "glob", 0))
630: printf("s* glob\n");
631: if (!fnmatch("s*b", "sub", 0))
632: printf("s*b sub\n");
633: if (!fnmatch("s*h", "sub", 0))
634: printf("s*h sub\n");
1.51 fefe 635: #endif
1.49 fefe 636: #if 0
1.48 fefe 637: char*tmp;
638: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
639: write(1,tmp,n);
640: free(tmp);
1.49 fefe 641: #endif
1.41 fefe 642: #if 0
1.40 fefe 643: struct passwd *p=getpwnam("leitner");
1.41 fefe 644: struct spwd *s=getspnam("leitner");
1.39 fefe 645: printf("%g\n",30.0123);
1.41 fefe 646: #endif
1.43 fefe 647: #if 0
1.42 fefe 648: initgroups("root",100);
1.43 fefe 649: #endif
1.38 fefe 650: #if 0
1.37 fefe 651: time_t t=time(0);
652: puts(asctime(localtime(&t)));
1.38 fefe 653: #endif
1.135 fefe 654: #if 0
1.134 fefe 655: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 656: if (foo)
657: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 658: #endif
1.121 fefe 659: #if 0
1.33 fefe 660: char buf[128];
1.120 fefe 661: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 662: printf("%d\n",mkstemp(buf));
1.34 fefe 663: printf("%s\n",buf);
664: unlink(buf);
1.35 fefe 665: #endif
1.33 fefe 666: #if 0
1.32 fefe 667: char buf[512]="foo";
668: strncat(buf,"barbaz",3);
669: puts(buf);
1.33 fefe 670: #endif
1.32 fefe 671: #if 0
1.31 fefe 672: time_t oink=time(0);
673: struct tm *duh=localtime(&oink);
674: strftime(buf,512,"%A %B %Y\n",duh);
675: puts(buf);
1.32 fefe 676: #endif
1.126 fefe 677: #if 0
1.28 fefe 678: struct in_addr bar;
679: struct hostent *foo;
1.125 fefe 680: inet_aton("160.45.10.8",&bar);
681: /* foo=gethostbyname("zeit.fu-berlin.de"); */
682: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 683: if (foo)
684: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 685: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 686: #endif
1.18 fefe 687: #if 0
1.17 fefe 688: double d=0.0;
689: long long t=0x12345678ABCDEF01;
690: d/=0.0;
691: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 692: #endif
1.177 ! fefe 693: #if 0
1.176 fefe 694: #define SIZE 1000
695: int array[SIZE],array2[SIZE];
1.16 fefe 696: int i,j;
697: long a,b,c;
1.176 fefe 698: int *k;
699: for (i=0; i<SIZE; ++i) array[i]=rand();
700: memcpy(array2,array,sizeof(array));
701: qsort(array,SIZE,sizeof(int),compint);
702: for (i=0; i<SIZE-1; ++i)
703: assert(array[i]>array[i+1]);
704: k=bsearch(array+10,array,SIZE,sizeof(int),compint);
705: printf("%d\n",*k);
706: #endif
707: #if 0
1.16 fefe 708: printf("%p\n",malloc(0));
709: qsort(array,2,sizeof(int),compint);
710: for (i=0; i<SIZE; ++i)
711: array[i]=rand();
712: rdtscl(a);
713: qsort(array,SIZE,sizeof(int),compint);
714: rdtscl(b);
715: j=array[LOOKFOR];
716: res=bsearch(&j,array,SIZE,sizeof(int),compint);
717: rdtscl(c);
718: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
719: for (i=0; i<SIZE-1; ++i)
720: if (array[i]>array[i+1]) {
721: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
722: return 1;
723: }
724: if (*res!=j)
725: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
726: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 727: #endif
1.13 fefe 728: #if 0
1.12 fefe 729: struct in_addr duh;
730: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
731: printf("%x\n",duh.s_addr);
1.13 fefe 732: #endif
1.12 fefe 733: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 734: #if 0
1.10 fefe 735: char buf[100];
736: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
737: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 738: #endif
1.9 fefe 739: #if 0
1.7 fefe 740: struct tm duh;
741: time_t t;
1.8 fefe 742: time(&t);
743: gmtime_r(&t,&duh);
744: printf("%s\n",asctime(&duh));
1.9 fefe 745: #endif
1.8 fefe 746: #if 0
1.7 fefe 747: char buf[30];
748: duh.tm_sec=42;
749: duh.tm_min=23;
750: duh.tm_hour=17;
751: duh.tm_mday=2;
752: duh.tm_mon=7;
753: duh.tm_year=100;
754: t=mktime(&duh);
755: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 756: #endif
1.2 fefe 757: #if 0
1.1 cvs 758: int i;
759: for (i=0; i<5; i++) {
760: fprintf(stdout,"first message\n");
761: fprintf(stdout,"second message\n");
762: fprintf(stdout,"third message\n");
763: printf("foo %d\n",i);
764: }
1.2 fefe 765: #endif
1.1 cvs 766: #if 0
767: char buf[1024];
768: sscanf("foo bar","%s",buf);
769: printf("%s\n",buf);
770: #endif
771: #if 0
772: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
773: perror("mount");
774: #endif
775: #if 0
776: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
777: int i=strtol(t+1,&t,10);
778: printf("%d %s\n",i,t);
779: #endif
780: #if 0
781: char **tmp;
1.115 fefe 782: putenv("A=foo");
1.1 cvs 783: for (tmp=environ; *tmp; tmp++)
784: puts(*tmp);
785: #endif
786: #if 0
787: char buf[1024];
788: printf("%d\n",fprintf(stderr,"duh\n"));
789: #endif
790: #if 0
791: struct passwd *p=getpwuid(100);
792: puts(p->pw_name);
793: #endif
794: #if 0
795: int pid;
796: char name[32];
797: sscanf("1 (init","%d (%15c",&pid,name);
798: printf("pid %d name %s\n",pid,name);
799: #endif
1.109 fefe 800: #if 0
1.1 cvs 801: DIR *d=opendir("/proc");
802: if (d) {
803: struct dirent *D;
804: while (D=readdir(d))
805: puts(D->d_name);
806: closedir(d);
807: }
808: #endif
809: #if 0
810: char buf[1024];
811: int fd=open("/etc/passwd",0);
812: pread(fd,buf,30,32);
813: close(fd);
814: write(1,buf,32);
815: #endif
816: #if 0
817: char *argv[] = {"echo","foo",0};
818: char buf[100];
819: buf[5]='x';
820: sprintf(buf,"foo\n");
821: if (buf[5] == 'x')
822: exit(0);
823: else
824: exit(1);
825: execvp(argv[0],argv);
826: #endif
1.10 fefe 827: #if 0
1.1 cvs 828: struct stat64 f;
829: char buf[128];
830: fstat64(0,&f);
831: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
832: return 0;
833: #endif
834: #if 0
835: FILE *f=fopen("foo","w");
836: fputc('a',f);
837: fputc('b',f);
838: fputc('c',f);
839: #endif
840: /* fprintf(stdout,"foo\n"); */
841: }
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