Annotation of dietlibc/t.c, revision 1.172
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:
1.171 fefe 98: int traverse(const char* file, const struct stat* sb, int flag) {
99: __write1("found ");
100: __write1(file);
101: __write1("\n");
102: return 0;
103: }
104:
1.97 fefe 105: int main(int argc,char *argv[]) {
1.172 ! fefe 106: #if 0
1.171 fefe 107: ftw("/tmp",traverse,10);
1.172 ! fefe 108: #endif
1.168 fefe 109: #if 0
1.169 fefe 110: printf("%u\n",getuid32());
111: #endif
112: #if 0
1.167 fefe 113: FILE *f;
114: int i;
115: char addr6p[8][5];
116: int plen, scope, dad_status, if_idx;
117: char addr6[40], devname[20];
118: if ((f = fopen("/proc/net/if_inet6", "r")) != NULL) {
119: while ((i=fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
120: addr6p[0], addr6p[1], addr6p[2], addr6p[3],
121: addr6p[4], addr6p[5], addr6p[6], addr6p[7],
122: &if_idx, &plen, &scope, &dad_status, devname)) != EOF) {
123: printf("i=%d\n",i);
124: }
125: }
1.168 fefe 126: #endif
1.169 fefe 127: #if 0
1.166 fefe 128: printf("%s\n",crypt("test","$1$"));
1.167 fefe 129: #endif
1.172 ! fefe 130: #if 1
1.166 fefe 131: MD5_CTX x;
132: unsigned char md5[16];
133: MD5Init(&x);
1.167 fefe 134: MD5Update(&x,"a",1);
1.166 fefe 135: MD5Final(md5,&x);
136: {
137: int i;
138: for (i=0; i<16; ++i) {
139: printf("%02x",md5[i]);
140: }
141: putchar('\n');
142: }
1.167 fefe 143: #endif
144: #if 0
1.165 fefe 145: printf("%d\n",memchr("aaaa",'x',4));
1.166 fefe 146: #endif
1.164 fefe 147: #if 0
148: long a,b,c;
1.161 fefe 149: char buf[20]="fnord";
1.164 fefe 150: strcpy(buf,"Fnordhausen");
151: strcpy2(buf,"Fnordhausen");
152: rdtscl(a);
153: strcpy(buf,"Fnordhausen");
154: rdtscl(b);
155: strcpy2(buf,"Fnordhausen");
156: rdtscl(c);
157: printf("C: %d ticks, asm: %d ticks\n",b-a,c-b);
158: #endif
159:
1.163 fefe 160: /* printf("%d\n",strcmp(buf,"fnord")); */
1.157 fefe 161: #if 0
162: regex_t r;
163: // printf("regcomp %d\n",regcomp(&r,"^(re([\\[0-9\\]+])*|aw):[ \t]*",REG_EXTENDED));
164: printf("regcomp %d\n",regcomp(&r,"^([A-Za-z ]+>|[]>:|}-][]>:|}-]*)",REG_EXTENDED));
165: printf("regexec %d\n",regexec(&r,"Marketing-Laufbahn hinterdir.",1,0,REG_NOSUB));
166: #endif
167: #if 0
1.156 fefe 168: FILE *f=fopen("/home/leitner/Mail/outbox","r");
169: char buf[1024];
170: int i=0;
171: if (f) {
172: while (fgets(buf,1023,f)) {
173: ++i;
174: printf("%d %lu %s",i,ftell(f),buf);
175: }
176: }
1.157 fefe 177: #endif
1.152 fefe 178: #if 0
1.151 fefe 179: char template[]="/tmp/duh/fnord-XXXXXX";
180: printf("%d\n",mkdtemp(template));
1.152 fefe 181: #endif
1.151 fefe 182: #if 0
1.150 fefe 183: char *inbuf="\xe2\x89\xa0";
184: // char *inbuf="\xc2\xa9";
185: char outbuf[100];
186: char *obptr=&outbuf;
187: size_t iblen=strlen(inbuf);
188: size_t oblen=100;
189: iconv_t i=iconv_open("utf-8","utf-8");
190: iconv(i,&inbuf,&iblen,&obptr,&oblen);
191: iconv_close(i);
192: outbuf[100-oblen]=0;
193: puts(outbuf);
1.151 fefe 194: #endif
1.150 fefe 195: #if 0
1.149 fefe 196: printf("%c %c\n",tolower('C'),toupper('c'));
1.150 fefe 197: #endif
1.147 fefe 198: #if 0
1.145 fefe 199: printf("foo\n");
1.146 fefe 200: #endif
1.145 fefe 201: #if 0
202: char strport[10];
203: int i;
204: for (i=0; i<10; ++i) strport[i]=i+'0';
205: snprintf( strport, sizeof(strport), "%d", 80 );
206: puts(strport);
207: #endif
208: #if 0
209: struct addrinfo *ai;
210: struct addrinfo hints;
211: char buf[16];
212: memset(&hints,0,sizeof(hints));
1.157 fefe 213: #if 0
1.145 fefe 214: hints.ai_family = AF_UNSPEC;
215: hints.ai_flags = AI_PASSIVE;
216: hints.ai_socktype = SOCK_STREAM;
1.157 fefe 217: #endif
218: hints.ai_family=0;
219: hints.ai_flags=0;
220: hints.ai_socktype=1;
221: hints.ai_protocol=0;
222: hints.ai_addrlen=0;
223: hints.ai_addr=0;
224: hints.ai_canonname=0;
225: hints.ai_next=0;
226: printf("%d\n",getaddrinfo("news.fu-berlin.de","119",&hints,&ai));
1.145 fefe 227: while (ai) {
228: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
229: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
230: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
231: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
232: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
233: {
234: char buf[100];
235: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
236: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
237: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
238: printf(" %s\n",buf);
239: }
240: ai=ai->ai_next;
241: }
242: #endif
1.144 fefe 243: #if 0
244: char buf[101];
245: __dtostr(M_PI,buf,100,6);
246: #endif
1.145 fefe 247: #if 0
1.144 fefe 248: printf("%d\n",strcasecmp("foo","FOO"));
1.145 fefe 249: #endif
1.144 fefe 250: #if 0
1.143 fefe 251: printf("%.24s", "Sun Jan 2 08:29:13 1994\n");
1.144 fefe 252: #endif
1.143 fefe 253: #if 0
254: printf("%.*s\n",13,"fnord");
255: #endif
1.141 fefe 256: #if 0
1.140 fefe 257: double d=strtod(argv[1],0);
258: printf("%g|\n",d);
1.141 fefe 259: #endif
1.140 fefe 260: #if 0
1.139 fefe 261: char buf[100];
262: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
263: puts(buf);
1.140 fefe 264: #endif
265: #if 0
1.139 fefe 266: printf("%lld\n",-1ll);
267: #endif
1.143 fefe 268: #if 0
1.139 fefe 269: char *str="e";
270: setbuf(stdout,0);
271: printf("foo\n");
272: fputc(toupper(*str++),stdout);
273: printf("bar\n");
1.138 fefe 274: #endif
1.137 fefe 275: #if 0
1.136 fefe 276: fwrite("foobar",6,1,stdout);
1.137 fefe 277: #endif
1.136 fefe 278: #if 0
1.135 fefe 279: char x[5];
280: x[4]='x';
281: fgets(x,4,stdin);
282: puts(x);
283: printf("%c\n",x[4]);
1.136 fefe 284: #endif
1.134 fefe 285: #if 0
1.133 fefe 286: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
287: char* want[]={"/usr","/",".","/",".","."};
288: int i;
289: for (i=0; i<6; ++i) {
290: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
291: }
1.134 fefe 292: #endif
1.133 fefe 293: #if 0
294: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
295: char* want[]={"lib","usr","usr","/",".",".."};
296: int i;
297: for (i=0; i<6; ++i) {
298: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
299: }
300: #endif
301: #if 0
1.132 fefe 302: int i;
303: for (i=0; i<255; ++i) {
304: int a=isalpha(i);
305: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
306: if (a!=b) printf("%d: %d %d\n",i,a,b);
307: }
1.133 fefe 308: #endif
1.131 fefe 309: #if 0
1.130 fefe 310: char* name;
311: int ptyfd,ttyfd;
312: int i=openpty(&ptyfd,&ttyfd,0,0,0);
313: if (i<0) perror("openpty");
314: printf("%d %d\n",ptyfd,ttyfd);
315: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 316: #endif
1.129 fefe 317: #if 0
318: printf("0x%8.7lx\n",0xfefe);
319: #endif
320: #if 0
1.128 fefe 321: puts(ttyname(0));
1.129 fefe 322: #endif
1.154 fefe 323: #if 0
1.125 fefe 324: char buf[1024];
325: struct hostent* r;
1.153 fefe 326: r=gethostbyname("duh");
1.152 fefe 327: {
328: /* while (r=gethostent_r(buf,1024)) { */
1.125 fefe 329: if (r && r->h_name) {
1.152 fefe 330: int i;
331: printf("name \"%s\"; ", r->h_name);
332: for (i=0; i<8; ++i)
333: if (r->h_aliases[i]) {
334: printf("alias \"%s\"; ",r->h_aliases[i]);
335: }
336: if ((r->h_addr_list)[0]) {
337: struct in_addr address;
338: address = *((struct in_addr *) (r->h_addr_list)[0]);
339: printf("addr %s; ", inet_ntoa(address));
340: }
341: putchar('\n');
1.125 fefe 342: }
343: }
344: #endif
345: #if 0
1.124 fefe 346: char *tmp;
347: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 348: #endif
1.128 fefe 349: #if 0
1.123 fefe 350: struct mntent* me;
1.127 fefe 351: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 352: while (me=getmntent(f)) {
1.139 fefe 353: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 354: 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 355: break;
1.123 fefe 356: }
1.124 fefe 357: #endif
1.123 fefe 358: #if 0
359: char *tmp;
360: printf("%x\n",strtol("0Xffff",&tmp,16));
361: #endif
1.155 fefe 362: /* putchar('c');
363: write(1,"fnord\n",6); */
1.132 fefe 364: #if 0
1.121 fefe 365: struct addrinfo *ai;
1.131 fefe 366: getaddrinfo("nagus","22",0,&ai);
1.121 fefe 367: #endif
1.122 fefe 368: #if 0
1.121 fefe 369: struct hostent host,*res;
370: char buf[4096];
371: int fnord;
372:
1.131 fefe 373: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 374: #endif
1.121 fefe 375: #if 0
1.119 fefe 376: char buf[128];
1.120 fefe 377: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 378: printf("%d\n",mkdtemp(buf));
379: printf("%s\n",buf);
1.120 fefe 380: #endif
1.119 fefe 381: #if 0
1.118 fefe 382: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 383: #endif
1.113 fefe 384: #if 0
1.109 fefe 385: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 386: assert(0);
1.113 fefe 387: #endif
1.105 fefe 388: #if 0
389: printf("%hd %hhd\n",-5,-1234567);
390: #endif
1.103 fefe 391: #if 0
1.102 fefe 392: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
393: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 394: #endif
1.102 fefe 395: #if 0
1.101 fefe 396: char buf[1024];
397: int len;
398: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 399: #endif
1.114 fefe 400: #if 0
1.100 fefe 401: regex_t t;
402: regmatch_t rm;
1.103 fefe 403: // regcomp(&t,"^ *read",0);
1.113 fefe 404: regcomp(&t,"\\<foo\\>",0);
405: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 406: printf("ofs %d\n",rm.rm_so);
1.101 fefe 407: #endif
1.100 fefe 408: #if 0
1.98 fefe 409: char buf[100];
1.99 fefe 410: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 411: #endif
1.99 fefe 412: #if 0
413: char buf[100];
1.98 fefe 414: memset(buf,17,100);
415: buf[0]=0;
416: strncat(buf,"foobarbaz23",10);
417: puts(buf);
1.99 fefe 418: #endif
1.98 fefe 419: #if 0
1.97 fefe 420: int aflag = 0;
421: int bflag = 0;
422: char *cvalue = NULL;
423: int index;
424: int c;
425:
426: opterr = 1;
427:
428: while ((c = getopt (argc, argv, "abc:")) != -1)
429: switch (c)
430: {
431: case 'a':
432: aflag = 1;
433: break;
434: case 'b':
435: bflag = 1;
436: break;
437: case 'c':
438: cvalue = optarg;
439: break;
440: case '?':
441: if (isprint (optopt))
442: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
443: else
444: fprintf (stderr,
445: "Unknown option character `\\x%x'.\n",
446: optopt);
447: return 1;
448: default:
449: abort ();
450: }
1.96 fefe 451:
1.97 fefe 452: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
453: aflag, bflag, cvalue);
454:
455: for (index = optind; index < argc; index++)
456: printf ("Non-option argument %s\n", argv[index]);
457: return 0;
1.98 fefe 458: #endif
1.97 fefe 459: #if 0
1.96 fefe 460: char *t="foobar";
461: char *c;
462: char buf[1000];
463: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 464: #endif
1.89 fefe 465: #if 0
466: struct netent* n=getnetbyname("loopback");
467: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
468: #endif
469: #if 0
1.88 fefe 470: fprintf(stdout,"foo\n");
471: sleep(1);
472: fprintf(stdout,"bar");
473: fprintf(stderr,"blonk");
474: sleep(1);
475: fprintf(stdout,"\rbz");
476: sleep(1);
477: fprintf(stdout,"\n");
478: sleep(1);
1.89 fefe 479: #endif
1.87 fefe 480: #if 0
1.86 fefe 481: sigset_t s; /* sigsetops */
482:
483: sigemptyset(&s);
484: sigaddset(&s,SIGCHLD);
485: sigaddset(&s,SIGHUP);
486: sigsuspend(&s);
1.87 fefe 487: #endif
1.85 fefe 488: #if 0
1.84 fefe 489: char buf[1024];
490: FILE *f=popen("uname -srm","r");
491: fgets(buf,1023,f);
492: pclose(f);
493: write(1,buf,strlen(buf));
1.85 fefe 494: #endif
1.84 fefe 495: #if 0
1.82 fefe 496: char type[64];
1.83 fefe 497: char filename[256];
498: int major,minor;
1.82 fefe 499: int len;
1.83 fefe 500: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
501: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 502: #endif
1.82 fefe 503: #if 0
1.81 fefe 504: char buf[100];
505: char ip[16];
506: memset(ip,0,16);
507: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
508: puts(buf);
1.82 fefe 509: #endif
1.127 fefe 510: #if 0
1.76 fefe 511: struct addrinfo *ai;
1.78 fefe 512: struct addrinfo hints;
1.79 fefe 513: char buf[16];
1.78 fefe 514: hints.ai_family = AF_UNSPEC;
1.79 fefe 515: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 516: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 517: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 518: while (ai) {
519: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
520: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
521: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
522: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
523: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 524: {
525: char buf[100];
526: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
527: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
528: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
529: printf(" %s\n",buf);
530: }
1.76 fefe 531: ai=ai->ai_next;
532: }
1.81 fefe 533: #endif
1.76 fefe 534: #if 0
1.71 fefe 535: int i=foo;
1.75 fefe 536: printf("load average is %3.2f\n",0.0);
1.76 fefe 537: #endif
1.70 fefe 538: #if 0
1.69 fefe 539: struct dirent **namelist;
540: int n;
1.16 fefe 541:
1.69 fefe 542: n = scandir(".", &namelist, 0, alphasort);
543: if (n < 0)
544: perror("scandir");
545: else {
546: while(n--) {
547: printf("%s\n", namelist[n]->d_name);
548: free(namelist[n]);
549: }
550: free(namelist);
551: }
1.70 fefe 552: #endif
1.68 fefe 553: #if 0
1.67 fefe 554: char foo[10]="none,zlib";
555: char *tmp,*tmp2=foo;
556: while (tmp=strsep(&tmp2,",")) {
557: puts(tmp);
558: }
1.68 fefe 559: #endif
1.65 fefe 560: #if 0
1.61 fefe 561: char foo[10];
1.64 fefe 562: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 563: strcpy(foo,"foo");
564: strncat(foo,"barbaz",3);
565: foo[6]=0;
566: puts(foo);
1.65 fefe 567: #endif
1.115 fefe 568: #if 0
1.58 fefe 569: struct hostent * host;
570: struct in_addr i;
1.57 fefe 571:
1.131 fefe 572: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 573:
1.58 fefe 574: if (!host)
575: printf("host null\n");
1.57 fefe 576:
1.58 fefe 577: if (host && host->h_name) {
578: printf("name %s\n", host->h_name);
579: }
580: if (host && (host->h_addr_list)[0]) {
581: struct in_addr address;
582: address = *((struct in_addr *) (host->h_addr_list)[0]);
583: printf("addr %s\n", inet_ntoa(address));
584: }
1.59 fefe 585: #endif
1.57 fefe 586: #if 0
1.56 fefe 587: struct msgbuf bla;
588: bla.mtype=0;
589: bla.mtext[0]='x';
590: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 591: #endif
1.55 fefe 592: #if 0
1.54 fefe 593: char buf[PATH_MAX];
594: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 595: #endif
1.73 fefe 596: #if 0
1.53 fefe 597: regex_t t;
1.68 fefe 598: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 599: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 600: #endif
1.53 fefe 601: #if 0
1.52 fefe 602: float my_float = 9.2334;
603: char buffer[100];
604:
605: sprintf(buffer, "%.2f", my_float);
606: fprintf(stdout, "%s", buffer);
1.53 fefe 607: #endif
1.52 fefe 608: #if 0
1.51 fefe 609: printf("%d\n",setenv("foo","bar",0));
610: printf("%d\n",setenv("foo","bar",1));
611: execlp("printenv","printenv","foo",0);
1.52 fefe 612: #endif
1.106 fefe 613: #if 0
1.59 fefe 614: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 615: if (!fnmatch("s*", "sub", 0))
616: printf("s* sub\n");
617: if (!fnmatch("s*", "glob", 0))
618: printf("s* glob\n");
619: if (!fnmatch("s*b", "sub", 0))
620: printf("s*b sub\n");
621: if (!fnmatch("s*h", "sub", 0))
622: printf("s*h sub\n");
1.51 fefe 623: #endif
1.49 fefe 624: #if 0
1.48 fefe 625: char*tmp;
626: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
627: write(1,tmp,n);
628: free(tmp);
1.49 fefe 629: #endif
1.41 fefe 630: #if 0
1.40 fefe 631: struct passwd *p=getpwnam("leitner");
1.41 fefe 632: struct spwd *s=getspnam("leitner");
1.39 fefe 633: printf("%g\n",30.0123);
1.41 fefe 634: #endif
1.43 fefe 635: #if 0
1.42 fefe 636: initgroups("root",100);
1.43 fefe 637: #endif
1.38 fefe 638: #if 0
1.37 fefe 639: time_t t=time(0);
640: puts(asctime(localtime(&t)));
1.38 fefe 641: #endif
1.135 fefe 642: #if 0
1.134 fefe 643: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 644: if (foo)
645: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 646: #endif
1.121 fefe 647: #if 0
1.33 fefe 648: char buf[128];
1.120 fefe 649: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 650: printf("%d\n",mkstemp(buf));
1.34 fefe 651: printf("%s\n",buf);
652: unlink(buf);
1.35 fefe 653: #endif
1.33 fefe 654: #if 0
1.32 fefe 655: char buf[512]="foo";
656: strncat(buf,"barbaz",3);
657: puts(buf);
1.33 fefe 658: #endif
1.32 fefe 659: #if 0
1.31 fefe 660: time_t oink=time(0);
661: struct tm *duh=localtime(&oink);
662: strftime(buf,512,"%A %B %Y\n",duh);
663: puts(buf);
1.32 fefe 664: #endif
1.126 fefe 665: #if 0
1.28 fefe 666: struct in_addr bar;
667: struct hostent *foo;
1.125 fefe 668: inet_aton("160.45.10.8",&bar);
669: /* foo=gethostbyname("zeit.fu-berlin.de"); */
670: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 671: if (foo)
672: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 673: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 674: #endif
1.18 fefe 675: #if 0
1.17 fefe 676: double d=0.0;
677: long long t=0x12345678ABCDEF01;
678: d/=0.0;
679: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 680: #endif
1.17 fefe 681: #if 0
1.16 fefe 682: int i,j;
683: long a,b,c;
684: int *res;
685: printf("%p\n",malloc(0));
686: qsort(array,2,sizeof(int),compint);
687: for (i=0; i<SIZE; ++i)
688: array[i]=rand();
689: rdtscl(a);
690: qsort(array,SIZE,sizeof(int),compint);
691: rdtscl(b);
692: j=array[LOOKFOR];
693: res=bsearch(&j,array,SIZE,sizeof(int),compint);
694: rdtscl(c);
695: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
696: for (i=0; i<SIZE-1; ++i)
697: if (array[i]>array[i+1]) {
698: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
699: return 1;
700: }
701: if (*res!=j)
702: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
703: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 704: #endif
1.13 fefe 705: #if 0
1.12 fefe 706: struct in_addr duh;
707: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
708: printf("%x\n",duh.s_addr);
1.13 fefe 709: #endif
1.12 fefe 710: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 711: #if 0
1.10 fefe 712: char buf[100];
713: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
714: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 715: #endif
1.9 fefe 716: #if 0
1.7 fefe 717: struct tm duh;
718: time_t t;
1.8 fefe 719: time(&t);
720: gmtime_r(&t,&duh);
721: printf("%s\n",asctime(&duh));
1.9 fefe 722: #endif
1.8 fefe 723: #if 0
1.7 fefe 724: char buf[30];
725: duh.tm_sec=42;
726: duh.tm_min=23;
727: duh.tm_hour=17;
728: duh.tm_mday=2;
729: duh.tm_mon=7;
730: duh.tm_year=100;
731: t=mktime(&duh);
732: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 733: #endif
1.2 fefe 734: #if 0
1.1 cvs 735: int i;
736: for (i=0; i<5; i++) {
737: fprintf(stdout,"first message\n");
738: fprintf(stdout,"second message\n");
739: fprintf(stdout,"third message\n");
740: printf("foo %d\n",i);
741: }
1.2 fefe 742: #endif
1.1 cvs 743: #if 0
744: char buf[1024];
745: sscanf("foo bar","%s",buf);
746: printf("%s\n",buf);
747: #endif
748: #if 0
749: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
750: perror("mount");
751: #endif
752: #if 0
753: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
754: int i=strtol(t+1,&t,10);
755: printf("%d %s\n",i,t);
756: #endif
757: #if 0
758: char **tmp;
1.115 fefe 759: putenv("A=foo");
1.1 cvs 760: for (tmp=environ; *tmp; tmp++)
761: puts(*tmp);
762: #endif
763: #if 0
764: char buf[1024];
765: printf("%d\n",fprintf(stderr,"duh\n"));
766: #endif
767: #if 0
768: struct passwd *p=getpwuid(100);
769: puts(p->pw_name);
770: #endif
771: #if 0
772: int pid;
773: char name[32];
774: sscanf("1 (init","%d (%15c",&pid,name);
775: printf("pid %d name %s\n",pid,name);
776: #endif
1.109 fefe 777: #if 0
1.1 cvs 778: DIR *d=opendir("/proc");
779: if (d) {
780: struct dirent *D;
781: while (D=readdir(d))
782: puts(D->d_name);
783: closedir(d);
784: }
785: #endif
786: #if 0
787: char buf[1024];
788: int fd=open("/etc/passwd",0);
789: pread(fd,buf,30,32);
790: close(fd);
791: write(1,buf,32);
792: #endif
793: #if 0
794: char *argv[] = {"echo","foo",0};
795: char buf[100];
796: buf[5]='x';
797: sprintf(buf,"foo\n");
798: if (buf[5] == 'x')
799: exit(0);
800: else
801: exit(1);
802: execvp(argv[0],argv);
803: #endif
1.10 fefe 804: #if 0
1.1 cvs 805: struct stat64 f;
806: char buf[128];
807: fstat64(0,&f);
808: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
809: return 0;
810: #endif
811: #if 0
812: FILE *f=fopen("foo","w");
813: fputc('a',f);
814: fputc('b',f);
815: fputc('c',f);
816: #endif
817: /* fprintf(stdout,"foo\n"); */
818: }
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