Annotation of dietlibc/t.c, revision 1.211
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>
1.201 fefe 46: #include <sys/ioctl.h>
1.204 fefe 47: #include <pty.h>
1.166 fefe 48: #ifdef __dietlibc__
49: #include <md5.h>
1.170 fefe 50: #include <write12.h>
1.166 fefe 51: #endif
1.121 fefe 52:
53: #if 0
54: static const char* Ident;
55: static int Option;
56: static int Facility;
57: static struct sockaddr_un sock;
58: static int fd=-1;
59:
60: static void syslogconnect(void) {
61: sock.sun_family=AF_UNIX;
62: strcpy(sock.sun_path,"/dev/log");
63: if ((fd=socket(AF_UNIX,SOCK_STREAM,0))==-1) return;
64: if (connect(fd,(struct sockaddr*)&sock,sizeof(sock))==-1) {
65: int save=errno;
66: close(fd);
67: fd=-1;
1.109 fefe 68: }
1.121 fefe 69: fcntl(fd,F_SETFL,FD_CLOEXEC); /* doesn't work? too bad */
1.109 fefe 70: }
1.107 fefe 71:
1.121 fefe 72: void openlog(const char *ident, int option, int facility) {
73: Ident=ident;
74: Option=option;
75: Facility=facility;
76: syslogconnect();
1.116 fefe 77: }
78:
1.121 fefe 79: void syslog(int priority, const char *format, ...) {
80: /* write(fd,"<13>Jun 29 19:21:32 leitner: fnord",...) */
81: }
82:
83: void closelog(void) {
84: }
85: #endif
86:
1.139 fefe 87: void foo(int tmp,...) {
88: long long l;
89: va_list va;
90: va_start(va,tmp);
91: l=va_arg(va,long long);
92: if (l!=-1) write(2,"kaputt\n",7);
93: }
94:
1.176 fefe 95: int compint(const void *a, const void *b) {
1.179 fefe 96: register const int* A=a;
97: register const int* B=b;
1.176 fefe 98: return *B-*A;
99: }
100:
1.164 fefe 101: extern char* strcpy2(char*a,char*b);
102:
103: #define rdtscl(low) \
104: __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
105:
1.97 fefe 106: int main(int argc,char *argv[]) {
1.211 ! leitner 107: char* c=strndupa("fnord",3);
! 108: puts(c);
! 109: #if 0
1.210 leitner 110: char buf[100];
1.209 fefe 111: __write2("foo!\n");
1.210 leitner 112: memset(buf,0,200);
1.211 ! leitner 113: #endif
1.208 fefe 114: #if 0
1.207 fefe 115: printf("%+05d\n",500);
1.208 fefe 116: #endif
1.203 fefe 117: #if 0
1.202 fefe 118: char* c;
119: printf("%d\n",asprintf(&c,"foo %d",23));
120: puts(c);
1.203 fefe 121: #endif
1.202 fefe 122: #if 0
1.201 fefe 123: struct winsize ws;
124: if (!ioctl(0, TIOCGWINSZ, &ws)) {
125: printf("%dx%d\n",ws.ws_col,ws.ws_row);
126: }
1.202 fefe 127: #endif
1.201 fefe 128: #if 0
129: struct termios t;
130: if (tcgetattr(1,&t)) { puts("tcgetattr failed!"); return 1; }
131: printf("%d\n",cfgetospeed(&t));
132: #endif
133: #if 0
134: printf("%p\n",malloc(0));
135: #endif
136: #if 0
1.200 fefe 137: char* argv[]={"sh","-i",0};
138: char buf[PATH_MAX+100];
139: int i;
140: for (i=0; i<PATH_MAX+20; ++i) buf[i]='a';
141: memmove(buf,"PATH=/",6);
142: strcpy(buf+i,"/bin:/bin");
143: putenv(buf);
144: execvp("sh",argv);
145: printf("%d\n",islower('ü'));
1.201 fefe 146: #endif
1.200 fefe 147: #if 0
1.198 fefe 148: char buf[101];
149: __dtostr(-123456789.456,buf,100,6,2);
150: puts(buf);
1.199 fefe 151: return 0;
1.200 fefe 152: #endif
1.198 fefe 153: #if 0
1.197 fefe 154: time_t t=1009921588;
155: puts(asctime(localtime(&t)));
1.198 fefe 156: #endif
1.209 fefe 157: #if 0
1.195 leitner 158: printf("%g\n",atof("30"));
1.196 fefe 159: #endif
1.193 leitner 160: #if 0
1.192 leitner 161: char* buf[]={"FOO=FNORD","A=B","C=D","PATH=/usr/bin:/bin",0};
162: environ=buf;
163: putenv("FOO=BAR");
164: putenv("FOO=BAZ");
165: putenv("BLUB=DUH");
166: system("printenv");
1.193 leitner 167: #endif
1.192 leitner 168: #if 0
1.191 fefe 169: char buf[1024];
170: time_t t1=time(0);
171: struct tm* t=localtime(&t1);
172: printf("%d %s\n",strftime(buf,sizeof buf,"%b %d %H:%M",t),buf);
1.192 leitner 173: #endif
1.190 fefe 174: #if 0
1.189 fefe 175: tzset();
176: printf("%d\n",daylight);
1.190 fefe 177: #endif
1.189 fefe 178: #if 0
1.188 fefe 179: struct in_addr addr;
180: inet_aton("10.0.0.100\t",&addr);
181: printf("%s\n",inet_ntoa(addr));
1.189 fefe 182: #endif
1.168 fefe 183: #if 0
1.169 fefe 184: printf("%u\n",getuid32());
185: #endif
186: #if 0
1.167 fefe 187: FILE *f;
188: int i;
189: char addr6p[8][5];
190: int plen, scope, dad_status, if_idx;
191: char addr6[40], devname[20];
192: if ((f = fopen("/proc/net/if_inet6", "r")) != NULL) {
193: while ((i=fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
194: addr6p[0], addr6p[1], addr6p[2], addr6p[3],
195: addr6p[4], addr6p[5], addr6p[6], addr6p[7],
196: &if_idx, &plen, &scope, &dad_status, devname)) != EOF) {
197: printf("i=%d\n",i);
198: }
199: }
1.168 fefe 200: #endif
1.169 fefe 201: #if 0
1.166 fefe 202: printf("%s\n",crypt("test","$1$"));
1.167 fefe 203: #endif
1.173 fefe 204: #if 0
1.166 fefe 205: MD5_CTX x;
206: unsigned char md5[16];
207: MD5Init(&x);
1.167 fefe 208: MD5Update(&x,"a",1);
1.166 fefe 209: MD5Final(md5,&x);
210: {
211: int i;
212: for (i=0; i<16; ++i) {
213: printf("%02x",md5[i]);
214: }
215: putchar('\n');
216: }
217: #endif
1.164 fefe 218: #if 0
219: long a,b,c;
1.161 fefe 220: char buf[20]="fnord";
1.164 fefe 221: strcpy(buf,"Fnordhausen");
222: strcpy2(buf,"Fnordhausen");
223: rdtscl(a);
224: strcpy(buf,"Fnordhausen");
225: rdtscl(b);
226: strcpy2(buf,"Fnordhausen");
227: rdtscl(c);
228: printf("C: %d ticks, asm: %d ticks\n",b-a,c-b);
229: #endif
230:
1.163 fefe 231: /* printf("%d\n",strcmp(buf,"fnord")); */
1.157 fefe 232: #if 0
233: regex_t r;
234: // printf("regcomp %d\n",regcomp(&r,"^(re([\\[0-9\\]+])*|aw):[ \t]*",REG_EXTENDED));
235: printf("regcomp %d\n",regcomp(&r,"^([A-Za-z ]+>|[]>:|}-][]>:|}-]*)",REG_EXTENDED));
236: printf("regexec %d\n",regexec(&r,"Marketing-Laufbahn hinterdir.",1,0,REG_NOSUB));
237: #endif
238: #if 0
1.156 fefe 239: FILE *f=fopen("/home/leitner/Mail/outbox","r");
240: char buf[1024];
241: int i=0;
242: if (f) {
243: while (fgets(buf,1023,f)) {
244: ++i;
245: printf("%d %lu %s",i,ftell(f),buf);
246: }
247: }
1.157 fefe 248: #endif
1.152 fefe 249: #if 0
1.151 fefe 250: char template[]="/tmp/duh/fnord-XXXXXX";
251: printf("%d\n",mkdtemp(template));
1.152 fefe 252: #endif
1.151 fefe 253: #if 0
1.150 fefe 254: char *inbuf="\xe2\x89\xa0";
255: // char *inbuf="\xc2\xa9";
256: char outbuf[100];
257: char *obptr=&outbuf;
258: size_t iblen=strlen(inbuf);
259: size_t oblen=100;
260: iconv_t i=iconv_open("utf-8","utf-8");
261: iconv(i,&inbuf,&iblen,&obptr,&oblen);
262: iconv_close(i);
263: outbuf[100-oblen]=0;
264: puts(outbuf);
1.151 fefe 265: #endif
1.150 fefe 266: #if 0
1.149 fefe 267: printf("%c %c\n",tolower('C'),toupper('c'));
1.150 fefe 268: #endif
1.147 fefe 269: #if 0
1.145 fefe 270: printf("foo\n");
1.146 fefe 271: #endif
1.145 fefe 272: #if 0
273: char strport[10];
274: int i;
275: for (i=0; i<10; ++i) strport[i]=i+'0';
276: snprintf( strport, sizeof(strport), "%d", 80 );
277: puts(strport);
278: #endif
1.179 fefe 279: #if 0
1.145 fefe 280: struct addrinfo *ai;
281: struct addrinfo hints;
282: char buf[16];
283: memset(&hints,0,sizeof(hints));
1.157 fefe 284: #if 0
1.145 fefe 285: hints.ai_family = AF_UNSPEC;
286: hints.ai_flags = AI_PASSIVE;
287: hints.ai_socktype = SOCK_STREAM;
1.157 fefe 288: #endif
289: hints.ai_family=0;
290: hints.ai_flags=0;
291: hints.ai_socktype=1;
292: hints.ai_protocol=0;
293: hints.ai_addrlen=0;
294: hints.ai_addr=0;
295: hints.ai_canonname=0;
296: hints.ai_next=0;
297: printf("%d\n",getaddrinfo("news.fu-berlin.de","119",&hints,&ai));
1.145 fefe 298: while (ai) {
299: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
300: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
301: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
302: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
303: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
304: {
305: char buf[100];
306: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
307: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
308: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
309: printf(" %s\n",buf);
310: }
311: ai=ai->ai_next;
312: }
313: #endif
1.144 fefe 314: #if 0
315: char buf[101];
316: __dtostr(M_PI,buf,100,6);
317: #endif
1.145 fefe 318: #if 0
1.144 fefe 319: printf("%d\n",strcasecmp("foo","FOO"));
1.145 fefe 320: #endif
1.144 fefe 321: #if 0
1.143 fefe 322: printf("%.24s", "Sun Jan 2 08:29:13 1994\n");
1.144 fefe 323: #endif
1.143 fefe 324: #if 0
325: printf("%.*s\n",13,"fnord");
326: #endif
1.141 fefe 327: #if 0
1.140 fefe 328: double d=strtod(argv[1],0);
329: printf("%g|\n",d);
1.141 fefe 330: #endif
1.140 fefe 331: #if 0
1.139 fefe 332: char buf[100];
333: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
334: puts(buf);
1.140 fefe 335: #endif
336: #if 0
1.139 fefe 337: printf("%lld\n",-1ll);
338: #endif
1.143 fefe 339: #if 0
1.139 fefe 340: char *str="e";
341: setbuf(stdout,0);
342: printf("foo\n");
343: fputc(toupper(*str++),stdout);
344: printf("bar\n");
1.138 fefe 345: #endif
1.137 fefe 346: #if 0
1.136 fefe 347: fwrite("foobar",6,1,stdout);
1.137 fefe 348: #endif
1.136 fefe 349: #if 0
1.135 fefe 350: char x[5];
351: x[4]='x';
352: fgets(x,4,stdin);
353: puts(x);
354: printf("%c\n",x[4]);
1.136 fefe 355: #endif
1.134 fefe 356: #if 0
1.133 fefe 357: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
358: char* want[]={"/usr","/",".","/",".","."};
359: int i;
360: for (i=0; i<6; ++i) {
361: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
362: }
1.134 fefe 363: #endif
1.133 fefe 364: #if 0
365: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
366: char* want[]={"lib","usr","usr","/",".",".."};
367: int i;
368: for (i=0; i<6; ++i) {
369: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
370: }
371: #endif
372: #if 0
1.132 fefe 373: int i;
374: for (i=0; i<255; ++i) {
375: int a=isalpha(i);
376: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
377: if (a!=b) printf("%d: %d %d\n",i,a,b);
378: }
1.133 fefe 379: #endif
1.205 fefe 380: #if 0
1.130 fefe 381: char* name;
382: int ptyfd,ttyfd;
383: int i=openpty(&ptyfd,&ttyfd,0,0,0);
384: if (i<0) perror("openpty");
385: printf("%d %d\n",ptyfd,ttyfd);
386: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 387: #endif
1.129 fefe 388: #if 0
389: printf("0x%8.7lx\n",0xfefe);
390: #endif
391: #if 0
1.128 fefe 392: puts(ttyname(0));
1.129 fefe 393: #endif
1.195 leitner 394: #if 0
1.125 fefe 395: char buf[1024];
396: struct hostent* r;
1.194 leitner 397: int i=0;
398: r=gethostbyname("cyberelks.net");
399: again:
1.174 fefe 400: if (!r) {
401: printf("dns error: %s\n",hstrerror(h_errno));
402: }
1.152 fefe 403: {
404: /* while (r=gethostent_r(buf,1024)) { */
1.125 fefe 405: if (r && r->h_name) {
1.152 fefe 406: int i;
407: printf("name \"%s\"; ", r->h_name);
408: for (i=0; i<8; ++i)
409: if (r->h_aliases[i]) {
410: printf("alias \"%s\"; ",r->h_aliases[i]);
1.174 fefe 411: } else break;
1.152 fefe 412: if ((r->h_addr_list)[0]) {
413: struct in_addr address;
414: address = *((struct in_addr *) (r->h_addr_list)[0]);
415: printf("addr %s; ", inet_ntoa(address));
416: }
417: putchar('\n');
1.125 fefe 418: }
1.194 leitner 419: }
420: if (!i) {
421: i=1;
422: r=gethostbyname("prdownloads.sourceforge.net");
423: goto again;
1.125 fefe 424: }
425: #endif
426: #if 0
1.124 fefe 427: char *tmp;
428: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 429: #endif
1.128 fefe 430: #if 0
1.123 fefe 431: struct mntent* me;
1.127 fefe 432: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 433: while (me=getmntent(f)) {
1.139 fefe 434: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 435: 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 436: break;
1.123 fefe 437: }
1.124 fefe 438: #endif
1.123 fefe 439: #if 0
440: char *tmp;
441: printf("%x\n",strtol("0Xffff",&tmp,16));
442: #endif
1.155 fefe 443: /* putchar('c');
444: write(1,"fnord\n",6); */
1.176 fefe 445: #if 0
1.121 fefe 446: struct addrinfo *ai;
1.175 fefe 447: // getaddrinfo("xorn","22",0,&ai);
448: puts(gai_strerror(getaddrinfo("xorn","22",0,&ai)));
1.121 fefe 449: #endif
1.122 fefe 450: #if 0
1.121 fefe 451: struct hostent host,*res;
452: char buf[4096];
453: int fnord;
454:
1.131 fefe 455: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 456: #endif
1.121 fefe 457: #if 0
1.119 fefe 458: char buf[128];
1.120 fefe 459: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 460: printf("%d\n",mkdtemp(buf));
461: printf("%s\n",buf);
1.120 fefe 462: #endif
1.119 fefe 463: #if 0
1.118 fefe 464: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 465: #endif
1.113 fefe 466: #if 0
1.109 fefe 467: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 468: assert(0);
1.113 fefe 469: #endif
1.105 fefe 470: #if 0
471: printf("%hd %hhd\n",-5,-1234567);
472: #endif
1.103 fefe 473: #if 0
1.102 fefe 474: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
475: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 476: #endif
1.102 fefe 477: #if 0
1.101 fefe 478: char buf[1024];
479: int len;
480: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 481: #endif
1.114 fefe 482: #if 0
1.100 fefe 483: regex_t t;
484: regmatch_t rm;
1.103 fefe 485: // regcomp(&t,"^ *read",0);
1.113 fefe 486: regcomp(&t,"\\<foo\\>",0);
487: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 488: printf("ofs %d\n",rm.rm_so);
1.101 fefe 489: #endif
1.100 fefe 490: #if 0
1.98 fefe 491: char buf[100];
1.99 fefe 492: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 493: #endif
1.99 fefe 494: #if 0
495: char buf[100];
1.98 fefe 496: memset(buf,17,100);
497: buf[0]=0;
498: strncat(buf,"foobarbaz23",10);
499: puts(buf);
1.99 fefe 500: #endif
1.98 fefe 501: #if 0
1.97 fefe 502: int aflag = 0;
503: int bflag = 0;
504: char *cvalue = NULL;
505: int index;
506: int c;
507:
508: opterr = 1;
509:
510: while ((c = getopt (argc, argv, "abc:")) != -1)
511: switch (c)
512: {
513: case 'a':
514: aflag = 1;
515: break;
516: case 'b':
517: bflag = 1;
518: break;
519: case 'c':
520: cvalue = optarg;
521: break;
522: case '?':
523: if (isprint (optopt))
524: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
525: else
526: fprintf (stderr,
527: "Unknown option character `\\x%x'.\n",
528: optopt);
529: return 1;
530: default:
531: abort ();
532: }
1.96 fefe 533:
1.97 fefe 534: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
535: aflag, bflag, cvalue);
536:
537: for (index = optind; index < argc; index++)
538: printf ("Non-option argument %s\n", argv[index]);
539: return 0;
1.98 fefe 540: #endif
1.97 fefe 541: #if 0
1.96 fefe 542: char *t="foobar";
543: char *c;
544: char buf[1000];
545: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 546: #endif
1.89 fefe 547: #if 0
548: struct netent* n=getnetbyname("loopback");
549: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
550: #endif
551: #if 0
1.88 fefe 552: fprintf(stdout,"foo\n");
553: sleep(1);
554: fprintf(stdout,"bar");
555: fprintf(stderr,"blonk");
556: sleep(1);
557: fprintf(stdout,"\rbz");
558: sleep(1);
559: fprintf(stdout,"\n");
560: sleep(1);
1.89 fefe 561: #endif
1.87 fefe 562: #if 0
1.86 fefe 563: sigset_t s; /* sigsetops */
564:
565: sigemptyset(&s);
566: sigaddset(&s,SIGCHLD);
567: sigaddset(&s,SIGHUP);
568: sigsuspend(&s);
1.87 fefe 569: #endif
1.85 fefe 570: #if 0
1.84 fefe 571: char buf[1024];
572: FILE *f=popen("uname -srm","r");
573: fgets(buf,1023,f);
574: pclose(f);
575: write(1,buf,strlen(buf));
1.85 fefe 576: #endif
1.84 fefe 577: #if 0
1.82 fefe 578: char type[64];
1.83 fefe 579: char filename[256];
580: int major,minor;
1.82 fefe 581: int len;
1.83 fefe 582: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
583: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 584: #endif
1.82 fefe 585: #if 0
1.81 fefe 586: char buf[100];
587: char ip[16];
588: memset(ip,0,16);
589: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
590: puts(buf);
1.82 fefe 591: #endif
1.127 fefe 592: #if 0
1.76 fefe 593: struct addrinfo *ai;
1.78 fefe 594: struct addrinfo hints;
1.79 fefe 595: char buf[16];
1.78 fefe 596: hints.ai_family = AF_UNSPEC;
1.79 fefe 597: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 598: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 599: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 600: while (ai) {
601: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
602: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
603: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
604: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
605: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 606: {
607: char buf[100];
608: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
609: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
610: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
611: printf(" %s\n",buf);
612: }
1.76 fefe 613: ai=ai->ai_next;
614: }
1.81 fefe 615: #endif
1.76 fefe 616: #if 0
1.71 fefe 617: int i=foo;
1.75 fefe 618: printf("load average is %3.2f\n",0.0);
1.76 fefe 619: #endif
1.70 fefe 620: #if 0
1.69 fefe 621: struct dirent **namelist;
622: int n;
1.16 fefe 623:
1.69 fefe 624: n = scandir(".", &namelist, 0, alphasort);
625: if (n < 0)
626: perror("scandir");
627: else {
628: while(n--) {
629: printf("%s\n", namelist[n]->d_name);
630: free(namelist[n]);
631: }
632: free(namelist);
633: }
1.70 fefe 634: #endif
1.68 fefe 635: #if 0
1.67 fefe 636: char foo[10]="none,zlib";
637: char *tmp,*tmp2=foo;
638: while (tmp=strsep(&tmp2,",")) {
639: puts(tmp);
640: }
1.68 fefe 641: #endif
1.65 fefe 642: #if 0
1.61 fefe 643: char foo[10];
1.64 fefe 644: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 645: strcpy(foo,"foo");
646: strncat(foo,"barbaz",3);
647: foo[6]=0;
648: puts(foo);
1.65 fefe 649: #endif
1.115 fefe 650: #if 0
1.58 fefe 651: struct hostent * host;
652: struct in_addr i;
1.57 fefe 653:
1.131 fefe 654: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 655:
1.58 fefe 656: if (!host)
657: printf("host null\n");
1.57 fefe 658:
1.58 fefe 659: if (host && host->h_name) {
660: printf("name %s\n", host->h_name);
661: }
662: if (host && (host->h_addr_list)[0]) {
663: struct in_addr address;
664: address = *((struct in_addr *) (host->h_addr_list)[0]);
665: printf("addr %s\n", inet_ntoa(address));
666: }
1.59 fefe 667: #endif
1.57 fefe 668: #if 0
1.56 fefe 669: struct msgbuf bla;
670: bla.mtype=0;
671: bla.mtext[0]='x';
672: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 673: #endif
1.55 fefe 674: #if 0
1.54 fefe 675: char buf[PATH_MAX];
676: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 677: #endif
1.73 fefe 678: #if 0
1.53 fefe 679: regex_t t;
1.68 fefe 680: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 681: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 682: #endif
1.53 fefe 683: #if 0
1.52 fefe 684: float my_float = 9.2334;
685: char buffer[100];
686:
687: sprintf(buffer, "%.2f", my_float);
688: fprintf(stdout, "%s", buffer);
1.53 fefe 689: #endif
1.52 fefe 690: #if 0
1.51 fefe 691: printf("%d\n",setenv("foo","bar",0));
692: printf("%d\n",setenv("foo","bar",1));
693: execlp("printenv","printenv","foo",0);
1.52 fefe 694: #endif
1.106 fefe 695: #if 0
1.59 fefe 696: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 697: if (!fnmatch("s*", "sub", 0))
698: printf("s* sub\n");
699: if (!fnmatch("s*", "glob", 0))
700: printf("s* glob\n");
701: if (!fnmatch("s*b", "sub", 0))
702: printf("s*b sub\n");
703: if (!fnmatch("s*h", "sub", 0))
704: printf("s*h sub\n");
1.51 fefe 705: #endif
1.49 fefe 706: #if 0
1.48 fefe 707: char*tmp;
708: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
709: write(1,tmp,n);
710: free(tmp);
1.49 fefe 711: #endif
1.41 fefe 712: #if 0
1.40 fefe 713: struct passwd *p=getpwnam("leitner");
1.41 fefe 714: struct spwd *s=getspnam("leitner");
1.39 fefe 715: printf("%g\n",30.0123);
1.41 fefe 716: #endif
1.43 fefe 717: #if 0
1.42 fefe 718: initgroups("root",100);
1.43 fefe 719: #endif
1.38 fefe 720: #if 0
1.37 fefe 721: time_t t=time(0);
1.197 fefe 722: printf("%lu\n",t);
1.37 fefe 723: puts(asctime(localtime(&t)));
1.38 fefe 724: #endif
1.135 fefe 725: #if 0
1.134 fefe 726: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 727: if (foo)
728: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 729: #endif
1.121 fefe 730: #if 0
1.33 fefe 731: char buf[128];
1.120 fefe 732: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 733: printf("%d\n",mkstemp(buf));
1.34 fefe 734: printf("%s\n",buf);
735: unlink(buf);
1.35 fefe 736: #endif
1.33 fefe 737: #if 0
1.32 fefe 738: char buf[512]="foo";
739: strncat(buf,"barbaz",3);
740: puts(buf);
1.33 fefe 741: #endif
1.32 fefe 742: #if 0
1.31 fefe 743: time_t oink=time(0);
744: struct tm *duh=localtime(&oink);
745: strftime(buf,512,"%A %B %Y\n",duh);
746: puts(buf);
1.32 fefe 747: #endif
1.126 fefe 748: #if 0
1.28 fefe 749: struct in_addr bar;
750: struct hostent *foo;
1.125 fefe 751: inet_aton("160.45.10.8",&bar);
752: /* foo=gethostbyname("zeit.fu-berlin.de"); */
753: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 754: if (foo)
755: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 756: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 757: #endif
1.18 fefe 758: #if 0
1.17 fefe 759: double d=0.0;
760: long long t=0x12345678ABCDEF01;
761: d/=0.0;
762: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 763: #endif
1.177 fefe 764: #if 0
1.176 fefe 765: #define SIZE 1000
766: int array[SIZE],array2[SIZE];
1.16 fefe 767: int i,j;
768: long a,b,c;
1.176 fefe 769: int *k;
770: for (i=0; i<SIZE; ++i) array[i]=rand();
771: memcpy(array2,array,sizeof(array));
772: qsort(array,SIZE,sizeof(int),compint);
773: for (i=0; i<SIZE-1; ++i)
774: assert(array[i]>array[i+1]);
775: k=bsearch(array+10,array,SIZE,sizeof(int),compint);
776: printf("%d\n",*k);
777: #endif
778: #if 0
1.16 fefe 779: printf("%p\n",malloc(0));
780: qsort(array,2,sizeof(int),compint);
781: for (i=0; i<SIZE; ++i)
782: array[i]=rand();
783: rdtscl(a);
784: qsort(array,SIZE,sizeof(int),compint);
785: rdtscl(b);
786: j=array[LOOKFOR];
787: res=bsearch(&j,array,SIZE,sizeof(int),compint);
788: rdtscl(c);
789: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
790: for (i=0; i<SIZE-1; ++i)
791: if (array[i]>array[i+1]) {
792: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
793: return 1;
794: }
795: if (*res!=j)
796: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
797: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 798: #endif
1.13 fefe 799: #if 0
1.12 fefe 800: struct in_addr duh;
801: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
802: printf("%x\n",duh.s_addr);
1.13 fefe 803: #endif
1.12 fefe 804: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 805: #if 0
1.10 fefe 806: char buf[100];
807: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
808: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 809: #endif
1.9 fefe 810: #if 0
1.7 fefe 811: struct tm duh;
812: time_t t;
1.8 fefe 813: time(&t);
814: gmtime_r(&t,&duh);
815: printf("%s\n",asctime(&duh));
1.9 fefe 816: #endif
1.8 fefe 817: #if 0
1.7 fefe 818: char buf[30];
819: duh.tm_sec=42;
820: duh.tm_min=23;
821: duh.tm_hour=17;
822: duh.tm_mday=2;
823: duh.tm_mon=7;
824: duh.tm_year=100;
825: t=mktime(&duh);
826: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 827: #endif
1.2 fefe 828: #if 0
1.1 cvs 829: int i;
830: for (i=0; i<5; i++) {
831: fprintf(stdout,"first message\n");
832: fprintf(stdout,"second message\n");
833: fprintf(stdout,"third message\n");
834: printf("foo %d\n",i);
835: }
1.2 fefe 836: #endif
1.1 cvs 837: #if 0
838: char buf[1024];
839: sscanf("foo bar","%s",buf);
840: printf("%s\n",buf);
841: #endif
842: #if 0
843: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
844: perror("mount");
845: #endif
846: #if 0
847: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
848: int i=strtol(t+1,&t,10);
849: printf("%d %s\n",i,t);
850: #endif
851: #if 0
852: char **tmp;
1.115 fefe 853: putenv("A=foo");
1.1 cvs 854: for (tmp=environ; *tmp; tmp++)
855: puts(*tmp);
856: #endif
857: #if 0
858: char buf[1024];
859: printf("%d\n",fprintf(stderr,"duh\n"));
860: #endif
861: #if 0
862: struct passwd *p=getpwuid(100);
863: puts(p->pw_name);
864: #endif
865: #if 0
866: int pid;
867: char name[32];
868: sscanf("1 (init","%d (%15c",&pid,name);
869: printf("pid %d name %s\n",pid,name);
870: #endif
1.109 fefe 871: #if 0
1.1 cvs 872: DIR *d=opendir("/proc");
873: if (d) {
874: struct dirent *D;
875: while (D=readdir(d))
876: puts(D->d_name);
877: closedir(d);
878: }
879: #endif
880: #if 0
881: char buf[1024];
882: int fd=open("/etc/passwd",0);
883: pread(fd,buf,30,32);
884: close(fd);
885: write(1,buf,32);
886: #endif
887: #if 0
888: char *argv[] = {"echo","foo",0};
889: char buf[100];
890: buf[5]='x';
891: sprintf(buf,"foo\n");
892: if (buf[5] == 'x')
893: exit(0);
894: else
895: exit(1);
896: execvp(argv[0],argv);
897: #endif
1.10 fefe 898: #if 0
1.1 cvs 899: struct stat64 f;
900: char buf[128];
901: fstat64(0,&f);
902: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
903: return 0;
904: #endif
905: #if 0
906: FILE *f=fopen("foo","w");
907: fputc('a',f);
908: fputc('b',f);
909: fputc('c',f);
910: #endif
911: /* fprintf(stdout,"foo\n"); */
912: }
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