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