Annotation of dietlibc/t.c, revision 1.214
1.56 fefe 1: #define _GNU_SOURCE
1.47 fefe 2: #define _FILE_OFFSET_BITS 64
1.1 cvs 3: #include <unistd.h>
4: #include <endian.h>
5: #include <stdlib.h>
6: #include <dirent.h>
7: #include <pwd.h>
1.40 fefe 8: #include <shadow.h>
1.1 cvs 9: #include <stdio.h>
10: #include <assert.h>
11: #include <sys/mount.h>
1.7 fefe 12: #include <time.h>
1.9 fefe 13: #include <sys/stat.h>
1.10 fefe 14: #include <stdio.h>
1.12 fefe 15: #include <arpa/inet.h>
1.13 fefe 16: #include <sys/sem.h>
1.14 fefe 17: #include <sys/shm.h>
1.17 fefe 18: #include <math.h>
1.20 fefe 19: #include <termios.h>
1.22 fefe 20: #include <netdb.h>
1.38 fefe 21: #include <sys/mman.h>
1.45 fefe 22: #include <ctype.h>
1.49 fefe 23: #include <mntent.h>
1.53 fefe 24: #include <regex.h>
1.56 fefe 25: #include <sys/types.h>
26: #include <sys/msg.h>
1.63 fefe 27: #include <string.h>
1.76 fefe 28: #include <sys/socket.h>
29: #include <netdb.h>
1.86 fefe 30: #include <signal.h>
1.88 fefe 31: #include <sys/io.h>
1.97 fefe 32: #include <getopt.h>
1.101 fefe 33: #include <arpa/nameser.h>
34: #include <resolv.h>
1.102 fefe 35: #include <fnmatch.h>
1.109 fefe 36: #include <stdarg.h>
1.118 fefe 37: #include <sys/wait.h>
1.133 fefe 38: #include <libgen.h>
1.144 fefe 39: #include <math.h>
1.121 fefe 40: #include <errno.h>
41: #include <syslog.h>
42: #include <sys/un.h>
43: #include <fcntl.h>
1.150 fefe 44: #include <iconv.h>
1.166 fefe 45: #include <features.h>
1.201 fefe 46: #include <sys/ioctl.h>
1.204 fefe 47: #include <pty.h>
1.212 leitner 48: #include <sys/statfs.h>
49: #include <mqueue.h>
1.166 fefe 50: #ifdef __dietlibc__
51: #include <md5.h>
1.170 fefe 52: #include <write12.h>
1.166 fefe 53: #endif
1.121 fefe 54:
55: #if 0
56: static const char* Ident;
57: static int Option;
58: static int Facility;
59: static struct sockaddr_un sock;
60: static int fd=-1;
61:
62: static void syslogconnect(void) {
63: sock.sun_family=AF_UNIX;
64: strcpy(sock.sun_path,"/dev/log");
65: if ((fd=socket(AF_UNIX,SOCK_STREAM,0))==-1) return;
66: if (connect(fd,(struct sockaddr*)&sock,sizeof(sock))==-1) {
67: int save=errno;
68: close(fd);
69: fd=-1;
1.109 fefe 70: }
1.121 fefe 71: fcntl(fd,F_SETFL,FD_CLOEXEC); /* doesn't work? too bad */
1.109 fefe 72: }
1.107 fefe 73:
1.121 fefe 74: void openlog(const char *ident, int option, int facility) {
75: Ident=ident;
76: Option=option;
77: Facility=facility;
78: syslogconnect();
1.116 fefe 79: }
80:
1.121 fefe 81: void syslog(int priority, const char *format, ...) {
82: /* write(fd,"<13>Jun 29 19:21:32 leitner: fnord",...) */
83: }
84:
85: void closelog(void) {
86: }
87: #endif
88:
1.139 fefe 89: void foo(int tmp,...) {
90: long long l;
91: va_list va;
92: va_start(va,tmp);
93: l=va_arg(va,long long);
94: if (l!=-1) write(2,"kaputt\n",7);
95: }
96:
1.176 fefe 97: int compint(const void *a, const void *b) {
1.179 fefe 98: register const int* A=a;
99: register const int* B=b;
1.176 fefe 100: return *B-*A;
101: }
102:
1.164 fefe 103: extern char* strcpy2(char*a,char*b);
104:
105: #define rdtscl(low) \
106: __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
107:
1.214 ! leitner 108: #define malloc(x) ({typeof(x) y=x; (y<0 || (size_t)(y)!=y ? 0 : malloc(y));})
! 109:
1.97 fefe 110: int main(int argc,char *argv[]) {
1.214 ! leitner 111: char* a=malloc(-3);
! 112: char* b=malloc(0xffffffffull+1);
! 113: printf("%p %p\n",a,b);
! 114: #if 0
1.213 leitner 115: struct stat s;
116: time_t t=time(0);
117: struct tm* T;
118: stat("/tmp/nyt.html",&s);
119: T=gmtime(&s.st_mtime);
1.214 ! leitner 120: #endif
1.213 leitner 121: #if 0
1.212 leitner 122: static struct mq_attr x;
123: mqd_t a=mq_open("fnord",O_WRONLY|O_CREAT,0600,&x);
124: mqd_t b=mq_open("fnord",O_RDONLY);
1.213 leitner 125: #endif
1.212 leitner 126: #if 0
127: struct statfs s;
128: if (statfs("/tmp",&s)!=-1) {
129: printf("%llu blocks, %llu free\n",(unsigned long long)s.f_blocks,(unsigned long long)s.f_bfree);
130: }
131: #endif
132: #if 0
1.211 leitner 133: char* c=strndupa("fnord",3);
134: puts(c);
1.212 leitner 135: #endif
1.211 leitner 136: #if 0
1.210 leitner 137: char buf[100];
1.209 fefe 138: __write2("foo!\n");
1.210 leitner 139: memset(buf,0,200);
1.211 leitner 140: #endif
1.208 fefe 141: #if 0
1.207 fefe 142: printf("%+05d\n",500);
1.208 fefe 143: #endif
1.203 fefe 144: #if 0
1.202 fefe 145: char* c;
146: printf("%d\n",asprintf(&c,"foo %d",23));
147: puts(c);
1.203 fefe 148: #endif
1.202 fefe 149: #if 0
1.201 fefe 150: struct winsize ws;
151: if (!ioctl(0, TIOCGWINSZ, &ws)) {
152: printf("%dx%d\n",ws.ws_col,ws.ws_row);
153: }
1.202 fefe 154: #endif
1.201 fefe 155: #if 0
156: struct termios t;
157: if (tcgetattr(1,&t)) { puts("tcgetattr failed!"); return 1; }
158: printf("%d\n",cfgetospeed(&t));
159: #endif
160: #if 0
161: printf("%p\n",malloc(0));
162: #endif
163: #if 0
1.200 fefe 164: char* argv[]={"sh","-i",0};
165: char buf[PATH_MAX+100];
166: int i;
167: for (i=0; i<PATH_MAX+20; ++i) buf[i]='a';
168: memmove(buf,"PATH=/",6);
169: strcpy(buf+i,"/bin:/bin");
170: putenv(buf);
171: execvp("sh",argv);
172: printf("%d\n",islower('ü'));
1.201 fefe 173: #endif
1.200 fefe 174: #if 0
1.198 fefe 175: char buf[101];
176: __dtostr(-123456789.456,buf,100,6,2);
177: puts(buf);
1.199 fefe 178: return 0;
1.200 fefe 179: #endif
1.198 fefe 180: #if 0
1.197 fefe 181: time_t t=1009921588;
182: puts(asctime(localtime(&t)));
1.198 fefe 183: #endif
1.209 fefe 184: #if 0
1.195 leitner 185: printf("%g\n",atof("30"));
1.196 fefe 186: #endif
1.193 leitner 187: #if 0
1.192 leitner 188: char* buf[]={"FOO=FNORD","A=B","C=D","PATH=/usr/bin:/bin",0};
189: environ=buf;
190: putenv("FOO=BAR");
191: putenv("FOO=BAZ");
192: putenv("BLUB=DUH");
193: system("printenv");
1.193 leitner 194: #endif
1.192 leitner 195: #if 0
1.191 fefe 196: char buf[1024];
197: time_t t1=time(0);
198: struct tm* t=localtime(&t1);
199: printf("%d %s\n",strftime(buf,sizeof buf,"%b %d %H:%M",t),buf);
1.192 leitner 200: #endif
1.190 fefe 201: #if 0
1.189 fefe 202: tzset();
203: printf("%d\n",daylight);
1.190 fefe 204: #endif
1.189 fefe 205: #if 0
1.188 fefe 206: struct in_addr addr;
207: inet_aton("10.0.0.100\t",&addr);
208: printf("%s\n",inet_ntoa(addr));
1.189 fefe 209: #endif
1.168 fefe 210: #if 0
1.169 fefe 211: printf("%u\n",getuid32());
212: #endif
213: #if 0
1.167 fefe 214: FILE *f;
215: int i;
216: char addr6p[8][5];
217: int plen, scope, dad_status, if_idx;
218: char addr6[40], devname[20];
219: if ((f = fopen("/proc/net/if_inet6", "r")) != NULL) {
220: while ((i=fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
221: addr6p[0], addr6p[1], addr6p[2], addr6p[3],
222: addr6p[4], addr6p[5], addr6p[6], addr6p[7],
223: &if_idx, &plen, &scope, &dad_status, devname)) != EOF) {
224: printf("i=%d\n",i);
225: }
226: }
1.168 fefe 227: #endif
1.169 fefe 228: #if 0
1.166 fefe 229: printf("%s\n",crypt("test","$1$"));
1.167 fefe 230: #endif
1.173 fefe 231: #if 0
1.166 fefe 232: MD5_CTX x;
233: unsigned char md5[16];
234: MD5Init(&x);
1.167 fefe 235: MD5Update(&x,"a",1);
1.166 fefe 236: MD5Final(md5,&x);
237: {
238: int i;
239: for (i=0; i<16; ++i) {
240: printf("%02x",md5[i]);
241: }
242: putchar('\n');
243: }
244: #endif
1.164 fefe 245: #if 0
246: long a,b,c;
1.161 fefe 247: char buf[20]="fnord";
1.164 fefe 248: strcpy(buf,"Fnordhausen");
249: strcpy2(buf,"Fnordhausen");
250: rdtscl(a);
251: strcpy(buf,"Fnordhausen");
252: rdtscl(b);
253: strcpy2(buf,"Fnordhausen");
254: rdtscl(c);
255: printf("C: %d ticks, asm: %d ticks\n",b-a,c-b);
256: #endif
257:
1.163 fefe 258: /* printf("%d\n",strcmp(buf,"fnord")); */
1.157 fefe 259: #if 0
260: regex_t r;
261: // printf("regcomp %d\n",regcomp(&r,"^(re([\\[0-9\\]+])*|aw):[ \t]*",REG_EXTENDED));
262: printf("regcomp %d\n",regcomp(&r,"^([A-Za-z ]+>|[]>:|}-][]>:|}-]*)",REG_EXTENDED));
263: printf("regexec %d\n",regexec(&r,"Marketing-Laufbahn hinterdir.",1,0,REG_NOSUB));
264: #endif
265: #if 0
1.156 fefe 266: FILE *f=fopen("/home/leitner/Mail/outbox","r");
267: char buf[1024];
268: int i=0;
269: if (f) {
270: while (fgets(buf,1023,f)) {
271: ++i;
272: printf("%d %lu %s",i,ftell(f),buf);
273: }
274: }
1.157 fefe 275: #endif
1.152 fefe 276: #if 0
1.151 fefe 277: char template[]="/tmp/duh/fnord-XXXXXX";
278: printf("%d\n",mkdtemp(template));
1.152 fefe 279: #endif
1.151 fefe 280: #if 0
1.150 fefe 281: char *inbuf="\xe2\x89\xa0";
282: // char *inbuf="\xc2\xa9";
283: char outbuf[100];
284: char *obptr=&outbuf;
285: size_t iblen=strlen(inbuf);
286: size_t oblen=100;
287: iconv_t i=iconv_open("utf-8","utf-8");
288: iconv(i,&inbuf,&iblen,&obptr,&oblen);
289: iconv_close(i);
290: outbuf[100-oblen]=0;
291: puts(outbuf);
1.151 fefe 292: #endif
1.150 fefe 293: #if 0
1.149 fefe 294: printf("%c %c\n",tolower('C'),toupper('c'));
1.150 fefe 295: #endif
1.147 fefe 296: #if 0
1.145 fefe 297: printf("foo\n");
1.146 fefe 298: #endif
1.145 fefe 299: #if 0
300: char strport[10];
301: int i;
302: for (i=0; i<10; ++i) strport[i]=i+'0';
303: snprintf( strport, sizeof(strport), "%d", 80 );
304: puts(strport);
305: #endif
1.179 fefe 306: #if 0
1.145 fefe 307: struct addrinfo *ai;
308: struct addrinfo hints;
309: char buf[16];
310: memset(&hints,0,sizeof(hints));
1.157 fefe 311: #if 0
1.145 fefe 312: hints.ai_family = AF_UNSPEC;
313: hints.ai_flags = AI_PASSIVE;
314: hints.ai_socktype = SOCK_STREAM;
1.157 fefe 315: #endif
316: hints.ai_family=0;
317: hints.ai_flags=0;
318: hints.ai_socktype=1;
319: hints.ai_protocol=0;
320: hints.ai_addrlen=0;
321: hints.ai_addr=0;
322: hints.ai_canonname=0;
323: hints.ai_next=0;
324: printf("%d\n",getaddrinfo("news.fu-berlin.de","119",&hints,&ai));
1.145 fefe 325: while (ai) {
326: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
327: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
328: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
329: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
330: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
331: {
332: char buf[100];
333: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
334: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
335: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
336: printf(" %s\n",buf);
337: }
338: ai=ai->ai_next;
339: }
340: #endif
1.144 fefe 341: #if 0
342: char buf[101];
343: __dtostr(M_PI,buf,100,6);
344: #endif
1.145 fefe 345: #if 0
1.144 fefe 346: printf("%d\n",strcasecmp("foo","FOO"));
1.145 fefe 347: #endif
1.144 fefe 348: #if 0
1.143 fefe 349: printf("%.24s", "Sun Jan 2 08:29:13 1994\n");
1.144 fefe 350: #endif
1.143 fefe 351: #if 0
352: printf("%.*s\n",13,"fnord");
353: #endif
1.141 fefe 354: #if 0
1.140 fefe 355: double d=strtod(argv[1],0);
356: printf("%g|\n",d);
1.141 fefe 357: #endif
1.140 fefe 358: #if 0
1.139 fefe 359: char buf[100];
360: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
361: puts(buf);
1.140 fefe 362: #endif
363: #if 0
1.139 fefe 364: printf("%lld\n",-1ll);
365: #endif
1.143 fefe 366: #if 0
1.139 fefe 367: char *str="e";
368: setbuf(stdout,0);
369: printf("foo\n");
370: fputc(toupper(*str++),stdout);
371: printf("bar\n");
1.138 fefe 372: #endif
1.137 fefe 373: #if 0
1.136 fefe 374: fwrite("foobar",6,1,stdout);
1.137 fefe 375: #endif
1.136 fefe 376: #if 0
1.135 fefe 377: char x[5];
378: x[4]='x';
379: fgets(x,4,stdin);
380: puts(x);
381: printf("%c\n",x[4]);
1.136 fefe 382: #endif
1.134 fefe 383: #if 0
1.133 fefe 384: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
385: char* want[]={"/usr","/",".","/",".","."};
386: int i;
387: for (i=0; i<6; ++i) {
388: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
389: }
1.134 fefe 390: #endif
1.133 fefe 391: #if 0
392: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
393: char* want[]={"lib","usr","usr","/",".",".."};
394: int i;
395: for (i=0; i<6; ++i) {
396: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
397: }
398: #endif
399: #if 0
1.132 fefe 400: int i;
401: for (i=0; i<255; ++i) {
402: int a=isalpha(i);
403: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
404: if (a!=b) printf("%d: %d %d\n",i,a,b);
405: }
1.133 fefe 406: #endif
1.205 fefe 407: #if 0
1.130 fefe 408: char* name;
409: int ptyfd,ttyfd;
410: int i=openpty(&ptyfd,&ttyfd,0,0,0);
411: if (i<0) perror("openpty");
412: printf("%d %d\n",ptyfd,ttyfd);
413: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 414: #endif
1.129 fefe 415: #if 0
416: printf("0x%8.7lx\n",0xfefe);
417: #endif
418: #if 0
1.128 fefe 419: puts(ttyname(0));
1.129 fefe 420: #endif
1.195 leitner 421: #if 0
1.125 fefe 422: char buf[1024];
423: struct hostent* r;
1.194 leitner 424: int i=0;
425: r=gethostbyname("cyberelks.net");
426: again:
1.174 fefe 427: if (!r) {
428: printf("dns error: %s\n",hstrerror(h_errno));
429: }
1.152 fefe 430: {
431: /* while (r=gethostent_r(buf,1024)) { */
1.125 fefe 432: if (r && r->h_name) {
1.152 fefe 433: int i;
434: printf("name \"%s\"; ", r->h_name);
435: for (i=0; i<8; ++i)
436: if (r->h_aliases[i]) {
437: printf("alias \"%s\"; ",r->h_aliases[i]);
1.174 fefe 438: } else break;
1.152 fefe 439: if ((r->h_addr_list)[0]) {
440: struct in_addr address;
441: address = *((struct in_addr *) (r->h_addr_list)[0]);
442: printf("addr %s; ", inet_ntoa(address));
443: }
444: putchar('\n');
1.125 fefe 445: }
1.194 leitner 446: }
447: if (!i) {
448: i=1;
449: r=gethostbyname("prdownloads.sourceforge.net");
450: goto again;
1.125 fefe 451: }
452: #endif
453: #if 0
1.124 fefe 454: char *tmp;
455: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 456: #endif
1.128 fefe 457: #if 0
1.123 fefe 458: struct mntent* me;
1.127 fefe 459: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 460: while (me=getmntent(f)) {
1.139 fefe 461: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 462: 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 463: break;
1.123 fefe 464: }
1.124 fefe 465: #endif
1.123 fefe 466: #if 0
467: char *tmp;
468: printf("%x\n",strtol("0Xffff",&tmp,16));
469: #endif
1.155 fefe 470: /* putchar('c');
471: write(1,"fnord\n",6); */
1.176 fefe 472: #if 0
1.121 fefe 473: struct addrinfo *ai;
1.175 fefe 474: // getaddrinfo("xorn","22",0,&ai);
475: puts(gai_strerror(getaddrinfo("xorn","22",0,&ai)));
1.121 fefe 476: #endif
1.122 fefe 477: #if 0
1.121 fefe 478: struct hostent host,*res;
479: char buf[4096];
480: int fnord;
481:
1.131 fefe 482: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 483: #endif
1.121 fefe 484: #if 0
1.119 fefe 485: char buf[128];
1.120 fefe 486: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 487: printf("%d\n",mkdtemp(buf));
488: printf("%s\n",buf);
1.120 fefe 489: #endif
1.119 fefe 490: #if 0
1.118 fefe 491: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 492: #endif
1.113 fefe 493: #if 0
1.109 fefe 494: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 495: assert(0);
1.113 fefe 496: #endif
1.105 fefe 497: #if 0
498: printf("%hd %hhd\n",-5,-1234567);
499: #endif
1.103 fefe 500: #if 0
1.102 fefe 501: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
502: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 503: #endif
1.102 fefe 504: #if 0
1.101 fefe 505: char buf[1024];
506: int len;
507: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 508: #endif
1.114 fefe 509: #if 0
1.100 fefe 510: regex_t t;
511: regmatch_t rm;
1.103 fefe 512: // regcomp(&t,"^ *read",0);
1.113 fefe 513: regcomp(&t,"\\<foo\\>",0);
514: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 515: printf("ofs %d\n",rm.rm_so);
1.101 fefe 516: #endif
1.100 fefe 517: #if 0
1.98 fefe 518: char buf[100];
1.99 fefe 519: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 520: #endif
1.99 fefe 521: #if 0
522: char buf[100];
1.98 fefe 523: memset(buf,17,100);
524: buf[0]=0;
525: strncat(buf,"foobarbaz23",10);
526: puts(buf);
1.99 fefe 527: #endif
1.98 fefe 528: #if 0
1.97 fefe 529: int aflag = 0;
530: int bflag = 0;
531: char *cvalue = NULL;
532: int index;
533: int c;
534:
535: opterr = 1;
536:
537: while ((c = getopt (argc, argv, "abc:")) != -1)
538: switch (c)
539: {
540: case 'a':
541: aflag = 1;
542: break;
543: case 'b':
544: bflag = 1;
545: break;
546: case 'c':
547: cvalue = optarg;
548: break;
549: case '?':
550: if (isprint (optopt))
551: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
552: else
553: fprintf (stderr,
554: "Unknown option character `\\x%x'.\n",
555: optopt);
556: return 1;
557: default:
558: abort ();
559: }
1.96 fefe 560:
1.97 fefe 561: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
562: aflag, bflag, cvalue);
563:
564: for (index = optind; index < argc; index++)
565: printf ("Non-option argument %s\n", argv[index]);
566: return 0;
1.98 fefe 567: #endif
1.97 fefe 568: #if 0
1.96 fefe 569: char *t="foobar";
570: char *c;
571: char buf[1000];
572: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 573: #endif
1.89 fefe 574: #if 0
575: struct netent* n=getnetbyname("loopback");
576: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
577: #endif
578: #if 0
1.88 fefe 579: fprintf(stdout,"foo\n");
580: sleep(1);
581: fprintf(stdout,"bar");
582: fprintf(stderr,"blonk");
583: sleep(1);
584: fprintf(stdout,"\rbz");
585: sleep(1);
586: fprintf(stdout,"\n");
587: sleep(1);
1.89 fefe 588: #endif
1.87 fefe 589: #if 0
1.86 fefe 590: sigset_t s; /* sigsetops */
591:
592: sigemptyset(&s);
593: sigaddset(&s,SIGCHLD);
594: sigaddset(&s,SIGHUP);
595: sigsuspend(&s);
1.87 fefe 596: #endif
1.85 fefe 597: #if 0
1.84 fefe 598: char buf[1024];
599: FILE *f=popen("uname -srm","r");
600: fgets(buf,1023,f);
601: pclose(f);
602: write(1,buf,strlen(buf));
1.85 fefe 603: #endif
1.84 fefe 604: #if 0
1.82 fefe 605: char type[64];
1.83 fefe 606: char filename[256];
607: int major,minor;
1.82 fefe 608: int len;
1.83 fefe 609: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
610: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 611: #endif
1.82 fefe 612: #if 0
1.81 fefe 613: char buf[100];
614: char ip[16];
615: memset(ip,0,16);
616: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
617: puts(buf);
1.82 fefe 618: #endif
1.127 fefe 619: #if 0
1.76 fefe 620: struct addrinfo *ai;
1.78 fefe 621: struct addrinfo hints;
1.79 fefe 622: char buf[16];
1.78 fefe 623: hints.ai_family = AF_UNSPEC;
1.79 fefe 624: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 625: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 626: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 627: while (ai) {
628: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
629: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
630: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
631: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
632: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 633: {
634: char buf[100];
635: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
636: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
637: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
638: printf(" %s\n",buf);
639: }
1.76 fefe 640: ai=ai->ai_next;
641: }
1.81 fefe 642: #endif
1.76 fefe 643: #if 0
1.71 fefe 644: int i=foo;
1.75 fefe 645: printf("load average is %3.2f\n",0.0);
1.76 fefe 646: #endif
1.70 fefe 647: #if 0
1.69 fefe 648: struct dirent **namelist;
649: int n;
1.16 fefe 650:
1.69 fefe 651: n = scandir(".", &namelist, 0, alphasort);
652: if (n < 0)
653: perror("scandir");
654: else {
655: while(n--) {
656: printf("%s\n", namelist[n]->d_name);
657: free(namelist[n]);
658: }
659: free(namelist);
660: }
1.70 fefe 661: #endif
1.68 fefe 662: #if 0
1.67 fefe 663: char foo[10]="none,zlib";
664: char *tmp,*tmp2=foo;
665: while (tmp=strsep(&tmp2,",")) {
666: puts(tmp);
667: }
1.68 fefe 668: #endif
1.65 fefe 669: #if 0
1.61 fefe 670: char foo[10];
1.64 fefe 671: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 672: strcpy(foo,"foo");
673: strncat(foo,"barbaz",3);
674: foo[6]=0;
675: puts(foo);
1.65 fefe 676: #endif
1.115 fefe 677: #if 0
1.58 fefe 678: struct hostent * host;
679: struct in_addr i;
1.57 fefe 680:
1.131 fefe 681: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 682:
1.58 fefe 683: if (!host)
684: printf("host null\n");
1.57 fefe 685:
1.58 fefe 686: if (host && host->h_name) {
687: printf("name %s\n", host->h_name);
688: }
689: if (host && (host->h_addr_list)[0]) {
690: struct in_addr address;
691: address = *((struct in_addr *) (host->h_addr_list)[0]);
692: printf("addr %s\n", inet_ntoa(address));
693: }
1.59 fefe 694: #endif
1.57 fefe 695: #if 0
1.56 fefe 696: struct msgbuf bla;
697: bla.mtype=0;
698: bla.mtext[0]='x';
699: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 700: #endif
1.55 fefe 701: #if 0
1.54 fefe 702: char buf[PATH_MAX];
703: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 704: #endif
1.73 fefe 705: #if 0
1.53 fefe 706: regex_t t;
1.68 fefe 707: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 708: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 709: #endif
1.53 fefe 710: #if 0
1.52 fefe 711: float my_float = 9.2334;
712: char buffer[100];
713:
714: sprintf(buffer, "%.2f", my_float);
715: fprintf(stdout, "%s", buffer);
1.53 fefe 716: #endif
1.52 fefe 717: #if 0
1.51 fefe 718: printf("%d\n",setenv("foo","bar",0));
719: printf("%d\n",setenv("foo","bar",1));
720: execlp("printenv","printenv","foo",0);
1.52 fefe 721: #endif
1.106 fefe 722: #if 0
1.59 fefe 723: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 724: if (!fnmatch("s*", "sub", 0))
725: printf("s* sub\n");
726: if (!fnmatch("s*", "glob", 0))
727: printf("s* glob\n");
728: if (!fnmatch("s*b", "sub", 0))
729: printf("s*b sub\n");
730: if (!fnmatch("s*h", "sub", 0))
731: printf("s*h sub\n");
1.51 fefe 732: #endif
1.49 fefe 733: #if 0
1.48 fefe 734: char*tmp;
735: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
736: write(1,tmp,n);
737: free(tmp);
1.49 fefe 738: #endif
1.41 fefe 739: #if 0
1.40 fefe 740: struct passwd *p=getpwnam("leitner");
1.41 fefe 741: struct spwd *s=getspnam("leitner");
1.39 fefe 742: printf("%g\n",30.0123);
1.41 fefe 743: #endif
1.43 fefe 744: #if 0
1.42 fefe 745: initgroups("root",100);
1.43 fefe 746: #endif
1.38 fefe 747: #if 0
1.37 fefe 748: time_t t=time(0);
1.197 fefe 749: printf("%lu\n",t);
1.37 fefe 750: puts(asctime(localtime(&t)));
1.38 fefe 751: #endif
1.135 fefe 752: #if 0
1.134 fefe 753: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 754: if (foo)
755: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 756: #endif
1.121 fefe 757: #if 0
1.33 fefe 758: char buf[128];
1.120 fefe 759: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 760: printf("%d\n",mkstemp(buf));
1.34 fefe 761: printf("%s\n",buf);
762: unlink(buf);
1.35 fefe 763: #endif
1.33 fefe 764: #if 0
1.32 fefe 765: char buf[512]="foo";
766: strncat(buf,"barbaz",3);
767: puts(buf);
1.33 fefe 768: #endif
1.32 fefe 769: #if 0
1.31 fefe 770: time_t oink=time(0);
771: struct tm *duh=localtime(&oink);
772: strftime(buf,512,"%A %B %Y\n",duh);
773: puts(buf);
1.32 fefe 774: #endif
1.126 fefe 775: #if 0
1.28 fefe 776: struct in_addr bar;
777: struct hostent *foo;
1.125 fefe 778: inet_aton("160.45.10.8",&bar);
779: /* foo=gethostbyname("zeit.fu-berlin.de"); */
780: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 781: if (foo)
782: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 783: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 784: #endif
1.18 fefe 785: #if 0
1.17 fefe 786: double d=0.0;
787: long long t=0x12345678ABCDEF01;
788: d/=0.0;
789: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 790: #endif
1.177 fefe 791: #if 0
1.176 fefe 792: #define SIZE 1000
793: int array[SIZE],array2[SIZE];
1.16 fefe 794: int i,j;
795: long a,b,c;
1.176 fefe 796: int *k;
797: for (i=0; i<SIZE; ++i) array[i]=rand();
798: memcpy(array2,array,sizeof(array));
799: qsort(array,SIZE,sizeof(int),compint);
800: for (i=0; i<SIZE-1; ++i)
801: assert(array[i]>array[i+1]);
802: k=bsearch(array+10,array,SIZE,sizeof(int),compint);
803: printf("%d\n",*k);
804: #endif
805: #if 0
1.16 fefe 806: printf("%p\n",malloc(0));
807: qsort(array,2,sizeof(int),compint);
808: for (i=0; i<SIZE; ++i)
809: array[i]=rand();
810: rdtscl(a);
811: qsort(array,SIZE,sizeof(int),compint);
812: rdtscl(b);
813: j=array[LOOKFOR];
814: res=bsearch(&j,array,SIZE,sizeof(int),compint);
815: rdtscl(c);
816: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
817: for (i=0; i<SIZE-1; ++i)
818: if (array[i]>array[i+1]) {
819: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
820: return 1;
821: }
822: if (*res!=j)
823: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
824: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 825: #endif
1.13 fefe 826: #if 0
1.12 fefe 827: struct in_addr duh;
828: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
829: printf("%x\n",duh.s_addr);
1.13 fefe 830: #endif
1.12 fefe 831: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 832: #if 0
1.10 fefe 833: char buf[100];
834: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
835: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 836: #endif
1.9 fefe 837: #if 0
1.7 fefe 838: struct tm duh;
839: time_t t;
1.8 fefe 840: time(&t);
841: gmtime_r(&t,&duh);
842: printf("%s\n",asctime(&duh));
1.9 fefe 843: #endif
1.8 fefe 844: #if 0
1.7 fefe 845: char buf[30];
846: duh.tm_sec=42;
847: duh.tm_min=23;
848: duh.tm_hour=17;
849: duh.tm_mday=2;
850: duh.tm_mon=7;
851: duh.tm_year=100;
852: t=mktime(&duh);
853: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 854: #endif
1.2 fefe 855: #if 0
1.1 cvs 856: int i;
857: for (i=0; i<5; i++) {
858: fprintf(stdout,"first message\n");
859: fprintf(stdout,"second message\n");
860: fprintf(stdout,"third message\n");
861: printf("foo %d\n",i);
862: }
1.2 fefe 863: #endif
1.1 cvs 864: #if 0
865: char buf[1024];
866: sscanf("foo bar","%s",buf);
867: printf("%s\n",buf);
868: #endif
869: #if 0
870: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
871: perror("mount");
872: #endif
873: #if 0
874: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
875: int i=strtol(t+1,&t,10);
876: printf("%d %s\n",i,t);
877: #endif
878: #if 0
879: char **tmp;
1.115 fefe 880: putenv("A=foo");
1.1 cvs 881: for (tmp=environ; *tmp; tmp++)
882: puts(*tmp);
883: #endif
884: #if 0
885: char buf[1024];
886: printf("%d\n",fprintf(stderr,"duh\n"));
887: #endif
888: #if 0
889: struct passwd *p=getpwuid(100);
890: puts(p->pw_name);
891: #endif
892: #if 0
893: int pid;
894: char name[32];
895: sscanf("1 (init","%d (%15c",&pid,name);
896: printf("pid %d name %s\n",pid,name);
897: #endif
1.109 fefe 898: #if 0
1.1 cvs 899: DIR *d=opendir("/proc");
900: if (d) {
901: struct dirent *D;
902: while (D=readdir(d))
903: puts(D->d_name);
904: closedir(d);
905: }
906: #endif
907: #if 0
908: char buf[1024];
909: int fd=open("/etc/passwd",0);
910: pread(fd,buf,30,32);
911: close(fd);
912: write(1,buf,32);
913: #endif
914: #if 0
915: char *argv[] = {"echo","foo",0};
916: char buf[100];
917: buf[5]='x';
918: sprintf(buf,"foo\n");
919: if (buf[5] == 'x')
920: exit(0);
921: else
922: exit(1);
923: execvp(argv[0],argv);
924: #endif
1.10 fefe 925: #if 0
1.1 cvs 926: struct stat64 f;
927: char buf[128];
928: fstat64(0,&f);
929: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
930: return 0;
931: #endif
932: #if 0
933: FILE *f=fopen("foo","w");
934: fputc('a',f);
935: fputc('b',f);
936: fputc('c',f);
937: #endif
938: /* fprintf(stdout,"foo\n"); */
939: }
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