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