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