Annotation of dietlibc/t.c, revision 1.222
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>
1.219 leitner 50: #include <ucontext.h>
1.166 fefe 51: #ifdef __dietlibc__
52: #include <md5.h>
1.170 fefe 53: #include <write12.h>
1.166 fefe 54: #endif
1.121 fefe 55:
56: #if 0
57: static const char* Ident;
58: static int Option;
59: static int Facility;
60: static struct sockaddr_un sock;
61: static int fd=-1;
62:
63: static void syslogconnect(void) {
64: sock.sun_family=AF_UNIX;
65: strcpy(sock.sun_path,"/dev/log");
66: if ((fd=socket(AF_UNIX,SOCK_STREAM,0))==-1) return;
67: if (connect(fd,(struct sockaddr*)&sock,sizeof(sock))==-1) {
68: int save=errno;
69: close(fd);
70: fd=-1;
1.109 fefe 71: }
1.121 fefe 72: fcntl(fd,F_SETFL,FD_CLOEXEC); /* doesn't work? too bad */
1.109 fefe 73: }
1.107 fefe 74:
1.121 fefe 75: void openlog(const char *ident, int option, int facility) {
76: Ident=ident;
77: Option=option;
78: Facility=facility;
79: syslogconnect();
1.116 fefe 80: }
81:
1.121 fefe 82: void syslog(int priority, const char *format, ...) {
83: /* write(fd,"<13>Jun 29 19:21:32 leitner: fnord",...) */
84: }
85:
86: void closelog(void) {
87: }
88: #endif
89:
1.139 fefe 90: void foo(int tmp,...) {
91: long long l;
92: va_list va;
93: va_start(va,tmp);
94: l=va_arg(va,long long);
95: if (l!=-1) write(2,"kaputt\n",7);
96: }
97:
1.176 fefe 98: int compint(const void *a, const void *b) {
1.179 fefe 99: register const int* A=a;
100: register const int* B=b;
1.176 fefe 101: return *B-*A;
102: }
103:
1.164 fefe 104: extern char* strcpy2(char*a,char*b);
105:
106: #define rdtscl(low) \
1.217 leitner 107: __asm__ __volatile__ ("lfence\nrdtsc" : "=a" (low) : : "ecx","edx")
1.164 fefe 108:
1.214 leitner 109: #define malloc(x) ({typeof(x) y=x; (y<0 || (size_t)(y)!=y ? 0 : malloc(y));})
110:
1.222 ! leitner 111: #include "rand_i.h"
! 112:
1.97 fefe 113: int main(int argc,char *argv[]) {
1.222 ! leitner 114: printf("%d\n",rand_i());
! 115: #if 0
1.220 leitner 116: int i;
117: for (i=0; i<1024; ++i) {
118: printf("%08x%c",arc4random(),(i&15)==15 ? '\n' : ' ');
119: }
1.221 leitner 120: perror("write");
1.222 ! leitner 121: #endif
1.220 leitner 122: #if 0
1.219 leitner 123: int n;
124: struct ucontext uc;
125: n=0;
126: getcontext(&uc);
127: puts("getcontext returned");
128: if (n==0) {
129: ++n;
130: setcontext(&uc);
131: puts("should not get here");
132: exit(1);
133: }
134: puts("all ok");
135: return 0;
1.220 leitner 136: #endif
1.215 leitner 137: #if 0
1.214 leitner 138: char* a=malloc(-3);
139: char* b=malloc(0xffffffffull+1);
140: printf("%p %p\n",a,b);
1.215 leitner 141: #endif
1.219 leitner 142: #if 0
1.215 leitner 143: printf("%u\n",getpagesize());
1.219 leitner 144: #endif
1.214 leitner 145: #if 0
1.213 leitner 146: struct stat s;
147: time_t t=time(0);
148: struct tm* T;
149: stat("/tmp/nyt.html",&s);
150: T=gmtime(&s.st_mtime);
1.214 leitner 151: #endif
1.213 leitner 152: #if 0
1.212 leitner 153: static struct mq_attr x;
154: mqd_t a=mq_open("fnord",O_WRONLY|O_CREAT,0600,&x);
155: mqd_t b=mq_open("fnord",O_RDONLY);
1.213 leitner 156: #endif
1.212 leitner 157: #if 0
158: struct statfs s;
159: if (statfs("/tmp",&s)!=-1) {
160: printf("%llu blocks, %llu free\n",(unsigned long long)s.f_blocks,(unsigned long long)s.f_bfree);
161: }
162: #endif
163: #if 0
1.211 leitner 164: char* c=strndupa("fnord",3);
165: puts(c);
1.212 leitner 166: #endif
1.211 leitner 167: #if 0
1.210 leitner 168: char buf[100];
1.209 fefe 169: __write2("foo!\n");
1.210 leitner 170: memset(buf,0,200);
1.211 leitner 171: #endif
1.208 fefe 172: #if 0
1.207 fefe 173: printf("%+05d\n",500);
1.208 fefe 174: #endif
1.203 fefe 175: #if 0
1.202 fefe 176: char* c;
177: printf("%d\n",asprintf(&c,"foo %d",23));
178: puts(c);
1.203 fefe 179: #endif
1.202 fefe 180: #if 0
1.201 fefe 181: struct winsize ws;
182: if (!ioctl(0, TIOCGWINSZ, &ws)) {
183: printf("%dx%d\n",ws.ws_col,ws.ws_row);
184: }
1.202 fefe 185: #endif
1.201 fefe 186: #if 0
187: struct termios t;
188: if (tcgetattr(1,&t)) { puts("tcgetattr failed!"); return 1; }
189: printf("%d\n",cfgetospeed(&t));
190: #endif
191: #if 0
192: printf("%p\n",malloc(0));
193: #endif
194: #if 0
1.200 fefe 195: char* argv[]={"sh","-i",0};
196: char buf[PATH_MAX+100];
197: int i;
198: for (i=0; i<PATH_MAX+20; ++i) buf[i]='a';
199: memmove(buf,"PATH=/",6);
200: strcpy(buf+i,"/bin:/bin");
201: putenv(buf);
202: execvp("sh",argv);
1.218 leitner 203: printf("%d\n",islower(0xfc));
1.201 fefe 204: #endif
1.200 fefe 205: #if 0
1.198 fefe 206: char buf[101];
207: __dtostr(-123456789.456,buf,100,6,2);
208: puts(buf);
1.199 fefe 209: return 0;
1.200 fefe 210: #endif
1.198 fefe 211: #if 0
1.197 fefe 212: time_t t=1009921588;
213: puts(asctime(localtime(&t)));
1.198 fefe 214: #endif
1.209 fefe 215: #if 0
1.195 leitner 216: printf("%g\n",atof("30"));
1.196 fefe 217: #endif
1.193 leitner 218: #if 0
1.192 leitner 219: char* buf[]={"FOO=FNORD","A=B","C=D","PATH=/usr/bin:/bin",0};
220: environ=buf;
221: putenv("FOO=BAR");
222: putenv("FOO=BAZ");
223: putenv("BLUB=DUH");
224: system("printenv");
1.193 leitner 225: #endif
1.192 leitner 226: #if 0
1.191 fefe 227: char buf[1024];
228: time_t t1=time(0);
229: struct tm* t=localtime(&t1);
230: printf("%d %s\n",strftime(buf,sizeof buf,"%b %d %H:%M",t),buf);
1.192 leitner 231: #endif
1.190 fefe 232: #if 0
1.189 fefe 233: tzset();
234: printf("%d\n",daylight);
1.190 fefe 235: #endif
1.189 fefe 236: #if 0
1.188 fefe 237: struct in_addr addr;
238: inet_aton("10.0.0.100\t",&addr);
239: printf("%s\n",inet_ntoa(addr));
1.189 fefe 240: #endif
1.168 fefe 241: #if 0
1.169 fefe 242: printf("%u\n",getuid32());
243: #endif
244: #if 0
1.167 fefe 245: FILE *f;
246: int i;
247: char addr6p[8][5];
248: int plen, scope, dad_status, if_idx;
249: char addr6[40], devname[20];
250: if ((f = fopen("/proc/net/if_inet6", "r")) != NULL) {
251: while ((i=fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
252: addr6p[0], addr6p[1], addr6p[2], addr6p[3],
253: addr6p[4], addr6p[5], addr6p[6], addr6p[7],
254: &if_idx, &plen, &scope, &dad_status, devname)) != EOF) {
255: printf("i=%d\n",i);
256: }
257: }
1.168 fefe 258: #endif
1.169 fefe 259: #if 0
1.166 fefe 260: printf("%s\n",crypt("test","$1$"));
1.167 fefe 261: #endif
1.173 fefe 262: #if 0
1.166 fefe 263: MD5_CTX x;
264: unsigned char md5[16];
265: MD5Init(&x);
1.167 fefe 266: MD5Update(&x,"a",1);
1.166 fefe 267: MD5Final(md5,&x);
268: {
269: int i;
270: for (i=0; i<16; ++i) {
271: printf("%02x",md5[i]);
272: }
273: putchar('\n');
274: }
275: #endif
1.164 fefe 276: #if 0
277: long a,b,c;
1.161 fefe 278: char buf[20]="fnord";
1.164 fefe 279: strcpy(buf,"Fnordhausen");
280: strcpy2(buf,"Fnordhausen");
281: rdtscl(a);
282: strcpy(buf,"Fnordhausen");
283: rdtscl(b);
284: strcpy2(buf,"Fnordhausen");
285: rdtscl(c);
286: printf("C: %d ticks, asm: %d ticks\n",b-a,c-b);
287: #endif
288:
1.163 fefe 289: /* printf("%d\n",strcmp(buf,"fnord")); */
1.157 fefe 290: #if 0
291: regex_t r;
292: // printf("regcomp %d\n",regcomp(&r,"^(re([\\[0-9\\]+])*|aw):[ \t]*",REG_EXTENDED));
293: printf("regcomp %d\n",regcomp(&r,"^([A-Za-z ]+>|[]>:|}-][]>:|}-]*)",REG_EXTENDED));
294: printf("regexec %d\n",regexec(&r,"Marketing-Laufbahn hinterdir.",1,0,REG_NOSUB));
295: #endif
296: #if 0
1.156 fefe 297: FILE *f=fopen("/home/leitner/Mail/outbox","r");
298: char buf[1024];
299: int i=0;
300: if (f) {
301: while (fgets(buf,1023,f)) {
302: ++i;
303: printf("%d %lu %s",i,ftell(f),buf);
304: }
305: }
1.157 fefe 306: #endif
1.152 fefe 307: #if 0
1.151 fefe 308: char template[]="/tmp/duh/fnord-XXXXXX";
309: printf("%d\n",mkdtemp(template));
1.152 fefe 310: #endif
1.151 fefe 311: #if 0
1.150 fefe 312: char *inbuf="\xe2\x89\xa0";
313: // char *inbuf="\xc2\xa9";
314: char outbuf[100];
315: char *obptr=&outbuf;
316: size_t iblen=strlen(inbuf);
317: size_t oblen=100;
318: iconv_t i=iconv_open("utf-8","utf-8");
319: iconv(i,&inbuf,&iblen,&obptr,&oblen);
320: iconv_close(i);
321: outbuf[100-oblen]=0;
322: puts(outbuf);
1.151 fefe 323: #endif
1.150 fefe 324: #if 0
1.149 fefe 325: printf("%c %c\n",tolower('C'),toupper('c'));
1.150 fefe 326: #endif
1.147 fefe 327: #if 0
1.145 fefe 328: printf("foo\n");
1.146 fefe 329: #endif
1.145 fefe 330: #if 0
331: char strport[10];
332: int i;
333: for (i=0; i<10; ++i) strport[i]=i+'0';
334: snprintf( strport, sizeof(strport), "%d", 80 );
335: puts(strport);
336: #endif
1.179 fefe 337: #if 0
1.145 fefe 338: struct addrinfo *ai;
339: struct addrinfo hints;
340: char buf[16];
341: memset(&hints,0,sizeof(hints));
1.157 fefe 342: #if 0
1.145 fefe 343: hints.ai_family = AF_UNSPEC;
344: hints.ai_flags = AI_PASSIVE;
345: hints.ai_socktype = SOCK_STREAM;
1.157 fefe 346: #endif
347: hints.ai_family=0;
348: hints.ai_flags=0;
349: hints.ai_socktype=1;
350: hints.ai_protocol=0;
351: hints.ai_addrlen=0;
352: hints.ai_addr=0;
353: hints.ai_canonname=0;
354: hints.ai_next=0;
355: printf("%d\n",getaddrinfo("news.fu-berlin.de","119",&hints,&ai));
1.145 fefe 356: while (ai) {
357: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
358: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
359: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
360: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
361: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
362: {
363: char buf[100];
364: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
365: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
366: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
367: printf(" %s\n",buf);
368: }
369: ai=ai->ai_next;
370: }
371: #endif
1.144 fefe 372: #if 0
373: char buf[101];
374: __dtostr(M_PI,buf,100,6);
375: #endif
1.145 fefe 376: #if 0
1.144 fefe 377: printf("%d\n",strcasecmp("foo","FOO"));
1.145 fefe 378: #endif
1.144 fefe 379: #if 0
1.143 fefe 380: printf("%.24s", "Sun Jan 2 08:29:13 1994\n");
1.144 fefe 381: #endif
1.143 fefe 382: #if 0
383: printf("%.*s\n",13,"fnord");
384: #endif
1.141 fefe 385: #if 0
1.140 fefe 386: double d=strtod(argv[1],0);
387: printf("%g|\n",d);
1.141 fefe 388: #endif
1.140 fefe 389: #if 0
1.139 fefe 390: char buf[100];
391: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
392: puts(buf);
1.140 fefe 393: #endif
394: #if 0
1.139 fefe 395: printf("%lld\n",-1ll);
396: #endif
1.143 fefe 397: #if 0
1.139 fefe 398: char *str="e";
399: setbuf(stdout,0);
400: printf("foo\n");
401: fputc(toupper(*str++),stdout);
402: printf("bar\n");
1.138 fefe 403: #endif
1.137 fefe 404: #if 0
1.136 fefe 405: fwrite("foobar",6,1,stdout);
1.137 fefe 406: #endif
1.136 fefe 407: #if 0
1.135 fefe 408: char x[5];
409: x[4]='x';
410: fgets(x,4,stdin);
411: puts(x);
412: printf("%c\n",x[4]);
1.136 fefe 413: #endif
1.134 fefe 414: #if 0
1.133 fefe 415: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
416: char* want[]={"/usr","/",".","/",".","."};
417: int i;
418: for (i=0; i<6; ++i) {
419: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
420: }
1.134 fefe 421: #endif
1.133 fefe 422: #if 0
423: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
424: char* want[]={"lib","usr","usr","/",".",".."};
425: int i;
426: for (i=0; i<6; ++i) {
427: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
428: }
429: #endif
430: #if 0
1.132 fefe 431: int i;
432: for (i=0; i<255; ++i) {
433: int a=isalpha(i);
434: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
435: if (a!=b) printf("%d: %d %d\n",i,a,b);
436: }
1.133 fefe 437: #endif
1.205 fefe 438: #if 0
1.130 fefe 439: char* name;
440: int ptyfd,ttyfd;
441: int i=openpty(&ptyfd,&ttyfd,0,0,0);
442: if (i<0) perror("openpty");
443: printf("%d %d\n",ptyfd,ttyfd);
444: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 445: #endif
1.129 fefe 446: #if 0
447: printf("0x%8.7lx\n",0xfefe);
448: #endif
449: #if 0
1.128 fefe 450: puts(ttyname(0));
1.129 fefe 451: #endif
1.195 leitner 452: #if 0
1.125 fefe 453: char buf[1024];
454: struct hostent* r;
1.194 leitner 455: int i=0;
456: r=gethostbyname("cyberelks.net");
457: again:
1.174 fefe 458: if (!r) {
459: printf("dns error: %s\n",hstrerror(h_errno));
460: }
1.152 fefe 461: {
462: /* while (r=gethostent_r(buf,1024)) { */
1.125 fefe 463: if (r && r->h_name) {
1.152 fefe 464: int i;
465: printf("name \"%s\"; ", r->h_name);
466: for (i=0; i<8; ++i)
467: if (r->h_aliases[i]) {
468: printf("alias \"%s\"; ",r->h_aliases[i]);
1.174 fefe 469: } else break;
1.152 fefe 470: if ((r->h_addr_list)[0]) {
471: struct in_addr address;
472: address = *((struct in_addr *) (r->h_addr_list)[0]);
473: printf("addr %s; ", inet_ntoa(address));
474: }
475: putchar('\n');
1.125 fefe 476: }
1.194 leitner 477: }
478: if (!i) {
479: i=1;
480: r=gethostbyname("prdownloads.sourceforge.net");
481: goto again;
1.125 fefe 482: }
483: #endif
484: #if 0
1.124 fefe 485: char *tmp;
486: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 487: #endif
1.128 fefe 488: #if 0
1.123 fefe 489: struct mntent* me;
1.127 fefe 490: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 491: while (me=getmntent(f)) {
1.139 fefe 492: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 493: 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 494: break;
1.123 fefe 495: }
1.124 fefe 496: #endif
1.123 fefe 497: #if 0
498: char *tmp;
499: printf("%x\n",strtol("0Xffff",&tmp,16));
500: #endif
1.155 fefe 501: /* putchar('c');
502: write(1,"fnord\n",6); */
1.176 fefe 503: #if 0
1.121 fefe 504: struct addrinfo *ai;
1.175 fefe 505: // getaddrinfo("xorn","22",0,&ai);
506: puts(gai_strerror(getaddrinfo("xorn","22",0,&ai)));
1.121 fefe 507: #endif
1.122 fefe 508: #if 0
1.121 fefe 509: struct hostent host,*res;
510: char buf[4096];
511: int fnord;
512:
1.131 fefe 513: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 514: #endif
1.121 fefe 515: #if 0
1.119 fefe 516: char buf[128];
1.120 fefe 517: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 518: printf("%d\n",mkdtemp(buf));
519: printf("%s\n",buf);
1.120 fefe 520: #endif
1.119 fefe 521: #if 0
1.118 fefe 522: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 523: #endif
1.113 fefe 524: #if 0
1.109 fefe 525: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 526: assert(0);
1.113 fefe 527: #endif
1.105 fefe 528: #if 0
529: printf("%hd %hhd\n",-5,-1234567);
530: #endif
1.103 fefe 531: #if 0
1.102 fefe 532: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
533: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 534: #endif
1.102 fefe 535: #if 0
1.101 fefe 536: char buf[1024];
537: int len;
538: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 539: #endif
1.114 fefe 540: #if 0
1.100 fefe 541: regex_t t;
542: regmatch_t rm;
1.103 fefe 543: // regcomp(&t,"^ *read",0);
1.113 fefe 544: regcomp(&t,"\\<foo\\>",0);
545: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 546: printf("ofs %d\n",rm.rm_so);
1.101 fefe 547: #endif
1.100 fefe 548: #if 0
1.98 fefe 549: char buf[100];
1.99 fefe 550: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 551: #endif
1.99 fefe 552: #if 0
553: char buf[100];
1.98 fefe 554: memset(buf,17,100);
555: buf[0]=0;
556: strncat(buf,"foobarbaz23",10);
557: puts(buf);
1.99 fefe 558: #endif
1.98 fefe 559: #if 0
1.97 fefe 560: int aflag = 0;
561: int bflag = 0;
562: char *cvalue = NULL;
563: int index;
564: int c;
565:
566: opterr = 1;
567:
568: while ((c = getopt (argc, argv, "abc:")) != -1)
569: switch (c)
570: {
571: case 'a':
572: aflag = 1;
573: break;
574: case 'b':
575: bflag = 1;
576: break;
577: case 'c':
578: cvalue = optarg;
579: break;
580: case '?':
581: if (isprint (optopt))
582: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
583: else
584: fprintf (stderr,
585: "Unknown option character `\\x%x'.\n",
586: optopt);
587: return 1;
588: default:
589: abort ();
590: }
1.96 fefe 591:
1.97 fefe 592: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
593: aflag, bflag, cvalue);
594:
595: for (index = optind; index < argc; index++)
596: printf ("Non-option argument %s\n", argv[index]);
597: return 0;
1.98 fefe 598: #endif
1.97 fefe 599: #if 0
1.96 fefe 600: char *t="foobar";
601: char *c;
602: char buf[1000];
603: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 604: #endif
1.89 fefe 605: #if 0
606: struct netent* n=getnetbyname("loopback");
607: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
608: #endif
609: #if 0
1.88 fefe 610: fprintf(stdout,"foo\n");
611: sleep(1);
612: fprintf(stdout,"bar");
613: fprintf(stderr,"blonk");
614: sleep(1);
615: fprintf(stdout,"\rbz");
616: sleep(1);
617: fprintf(stdout,"\n");
618: sleep(1);
1.89 fefe 619: #endif
1.87 fefe 620: #if 0
1.86 fefe 621: sigset_t s; /* sigsetops */
622:
623: sigemptyset(&s);
624: sigaddset(&s,SIGCHLD);
625: sigaddset(&s,SIGHUP);
626: sigsuspend(&s);
1.87 fefe 627: #endif
1.85 fefe 628: #if 0
1.84 fefe 629: char buf[1024];
630: FILE *f=popen("uname -srm","r");
631: fgets(buf,1023,f);
632: pclose(f);
633: write(1,buf,strlen(buf));
1.85 fefe 634: #endif
1.84 fefe 635: #if 0
1.82 fefe 636: char type[64];
1.83 fefe 637: char filename[256];
638: int major,minor;
1.82 fefe 639: int len;
1.83 fefe 640: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
641: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 642: #endif
1.82 fefe 643: #if 0
1.81 fefe 644: char buf[100];
645: char ip[16];
646: memset(ip,0,16);
647: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
648: puts(buf);
1.82 fefe 649: #endif
1.127 fefe 650: #if 0
1.76 fefe 651: struct addrinfo *ai;
1.78 fefe 652: struct addrinfo hints;
1.79 fefe 653: char buf[16];
1.78 fefe 654: hints.ai_family = AF_UNSPEC;
1.79 fefe 655: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 656: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 657: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 658: while (ai) {
659: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
660: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
661: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
662: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
663: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 664: {
665: char buf[100];
666: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
667: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
668: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
669: printf(" %s\n",buf);
670: }
1.76 fefe 671: ai=ai->ai_next;
672: }
1.81 fefe 673: #endif
1.76 fefe 674: #if 0
1.71 fefe 675: int i=foo;
1.75 fefe 676: printf("load average is %3.2f\n",0.0);
1.76 fefe 677: #endif
1.70 fefe 678: #if 0
1.69 fefe 679: struct dirent **namelist;
680: int n;
1.16 fefe 681:
1.69 fefe 682: n = scandir(".", &namelist, 0, alphasort);
683: if (n < 0)
684: perror("scandir");
685: else {
686: while(n--) {
687: printf("%s\n", namelist[n]->d_name);
688: free(namelist[n]);
689: }
690: free(namelist);
691: }
1.70 fefe 692: #endif
1.68 fefe 693: #if 0
1.67 fefe 694: char foo[10]="none,zlib";
695: char *tmp,*tmp2=foo;
696: while (tmp=strsep(&tmp2,",")) {
697: puts(tmp);
698: }
1.68 fefe 699: #endif
1.65 fefe 700: #if 0
1.61 fefe 701: char foo[10];
1.64 fefe 702: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 703: strcpy(foo,"foo");
704: strncat(foo,"barbaz",3);
705: foo[6]=0;
706: puts(foo);
1.65 fefe 707: #endif
1.115 fefe 708: #if 0
1.58 fefe 709: struct hostent * host;
710: struct in_addr i;
1.57 fefe 711:
1.131 fefe 712: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 713:
1.58 fefe 714: if (!host)
715: printf("host null\n");
1.57 fefe 716:
1.58 fefe 717: if (host && host->h_name) {
718: printf("name %s\n", host->h_name);
719: }
720: if (host && (host->h_addr_list)[0]) {
721: struct in_addr address;
722: address = *((struct in_addr *) (host->h_addr_list)[0]);
723: printf("addr %s\n", inet_ntoa(address));
724: }
1.59 fefe 725: #endif
1.57 fefe 726: #if 0
1.56 fefe 727: struct msgbuf bla;
728: bla.mtype=0;
729: bla.mtext[0]='x';
730: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 731: #endif
1.55 fefe 732: #if 0
1.54 fefe 733: char buf[PATH_MAX];
734: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 735: #endif
1.73 fefe 736: #if 0
1.53 fefe 737: regex_t t;
1.68 fefe 738: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 739: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 740: #endif
1.53 fefe 741: #if 0
1.52 fefe 742: float my_float = 9.2334;
743: char buffer[100];
744:
745: sprintf(buffer, "%.2f", my_float);
746: fprintf(stdout, "%s", buffer);
1.53 fefe 747: #endif
1.52 fefe 748: #if 0
1.51 fefe 749: printf("%d\n",setenv("foo","bar",0));
750: printf("%d\n",setenv("foo","bar",1));
751: execlp("printenv","printenv","foo",0);
1.52 fefe 752: #endif
1.106 fefe 753: #if 0
1.59 fefe 754: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 755: if (!fnmatch("s*", "sub", 0))
756: printf("s* sub\n");
757: if (!fnmatch("s*", "glob", 0))
758: printf("s* glob\n");
759: if (!fnmatch("s*b", "sub", 0))
760: printf("s*b sub\n");
761: if (!fnmatch("s*h", "sub", 0))
762: printf("s*h sub\n");
1.51 fefe 763: #endif
1.49 fefe 764: #if 0
1.48 fefe 765: char*tmp;
766: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
767: write(1,tmp,n);
768: free(tmp);
1.49 fefe 769: #endif
1.41 fefe 770: #if 0
1.40 fefe 771: struct passwd *p=getpwnam("leitner");
1.41 fefe 772: struct spwd *s=getspnam("leitner");
1.39 fefe 773: printf("%g\n",30.0123);
1.41 fefe 774: #endif
1.43 fefe 775: #if 0
1.42 fefe 776: initgroups("root",100);
1.43 fefe 777: #endif
1.38 fefe 778: #if 0
1.37 fefe 779: time_t t=time(0);
1.197 fefe 780: printf("%lu\n",t);
1.37 fefe 781: puts(asctime(localtime(&t)));
1.38 fefe 782: #endif
1.135 fefe 783: #if 0
1.134 fefe 784: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 785: if (foo)
786: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 787: #endif
1.121 fefe 788: #if 0
1.33 fefe 789: char buf[128];
1.120 fefe 790: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 791: printf("%d\n",mkstemp(buf));
1.34 fefe 792: printf("%s\n",buf);
793: unlink(buf);
1.35 fefe 794: #endif
1.33 fefe 795: #if 0
1.32 fefe 796: char buf[512]="foo";
797: strncat(buf,"barbaz",3);
798: puts(buf);
1.33 fefe 799: #endif
1.32 fefe 800: #if 0
1.31 fefe 801: time_t oink=time(0);
802: struct tm *duh=localtime(&oink);
803: strftime(buf,512,"%A %B %Y\n",duh);
804: puts(buf);
1.32 fefe 805: #endif
1.126 fefe 806: #if 0
1.28 fefe 807: struct in_addr bar;
808: struct hostent *foo;
1.125 fefe 809: inet_aton("160.45.10.8",&bar);
810: /* foo=gethostbyname("zeit.fu-berlin.de"); */
811: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 812: if (foo)
813: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 814: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 815: #endif
1.18 fefe 816: #if 0
1.17 fefe 817: double d=0.0;
818: long long t=0x12345678ABCDEF01;
819: d/=0.0;
820: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 821: #endif
1.177 fefe 822: #if 0
1.176 fefe 823: #define SIZE 1000
824: int array[SIZE],array2[SIZE];
1.16 fefe 825: int i,j;
826: long a,b,c;
1.176 fefe 827: int *k;
828: for (i=0; i<SIZE; ++i) array[i]=rand();
829: memcpy(array2,array,sizeof(array));
830: qsort(array,SIZE,sizeof(int),compint);
831: for (i=0; i<SIZE-1; ++i)
832: assert(array[i]>array[i+1]);
833: k=bsearch(array+10,array,SIZE,sizeof(int),compint);
834: printf("%d\n",*k);
835: #endif
836: #if 0
1.16 fefe 837: printf("%p\n",malloc(0));
838: qsort(array,2,sizeof(int),compint);
839: for (i=0; i<SIZE; ++i)
840: array[i]=rand();
841: rdtscl(a);
842: qsort(array,SIZE,sizeof(int),compint);
843: rdtscl(b);
844: j=array[LOOKFOR];
845: res=bsearch(&j,array,SIZE,sizeof(int),compint);
846: rdtscl(c);
847: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
848: for (i=0; i<SIZE-1; ++i)
849: if (array[i]>array[i+1]) {
850: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
851: return 1;
852: }
853: if (*res!=j)
854: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
855: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 856: #endif
1.13 fefe 857: #if 0
1.12 fefe 858: struct in_addr duh;
859: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
860: printf("%x\n",duh.s_addr);
1.13 fefe 861: #endif
1.12 fefe 862: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 863: #if 0
1.10 fefe 864: char buf[100];
865: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
866: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 867: #endif
1.9 fefe 868: #if 0
1.7 fefe 869: struct tm duh;
870: time_t t;
1.8 fefe 871: time(&t);
872: gmtime_r(&t,&duh);
873: printf("%s\n",asctime(&duh));
1.9 fefe 874: #endif
1.8 fefe 875: #if 0
1.7 fefe 876: char buf[30];
877: duh.tm_sec=42;
878: duh.tm_min=23;
879: duh.tm_hour=17;
880: duh.tm_mday=2;
881: duh.tm_mon=7;
882: duh.tm_year=100;
883: t=mktime(&duh);
884: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 885: #endif
1.2 fefe 886: #if 0
1.1 cvs 887: int i;
888: for (i=0; i<5; i++) {
889: fprintf(stdout,"first message\n");
890: fprintf(stdout,"second message\n");
891: fprintf(stdout,"third message\n");
892: printf("foo %d\n",i);
893: }
1.2 fefe 894: #endif
1.1 cvs 895: #if 0
896: char buf[1024];
897: sscanf("foo bar","%s",buf);
898: printf("%s\n",buf);
899: #endif
900: #if 0
901: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
902: perror("mount");
903: #endif
904: #if 0
905: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
906: int i=strtol(t+1,&t,10);
907: printf("%d %s\n",i,t);
908: #endif
909: #if 0
910: char **tmp;
1.115 fefe 911: putenv("A=foo");
1.1 cvs 912: for (tmp=environ; *tmp; tmp++)
913: puts(*tmp);
914: #endif
915: #if 0
916: char buf[1024];
917: printf("%d\n",fprintf(stderr,"duh\n"));
918: #endif
919: #if 0
920: struct passwd *p=getpwuid(100);
921: puts(p->pw_name);
922: #endif
923: #if 0
924: int pid;
925: char name[32];
926: sscanf("1 (init","%d (%15c",&pid,name);
927: printf("pid %d name %s\n",pid,name);
928: #endif
1.109 fefe 929: #if 0
1.1 cvs 930: DIR *d=opendir("/proc");
931: if (d) {
932: struct dirent *D;
933: while (D=readdir(d))
934: puts(D->d_name);
935: closedir(d);
936: }
937: #endif
938: #if 0
939: char buf[1024];
940: int fd=open("/etc/passwd",0);
941: pread(fd,buf,30,32);
942: close(fd);
943: write(1,buf,32);
944: #endif
945: #if 0
946: char *argv[] = {"echo","foo",0};
947: char buf[100];
948: buf[5]='x';
949: sprintf(buf,"foo\n");
950: if (buf[5] == 'x')
951: exit(0);
952: else
953: exit(1);
954: execvp(argv[0],argv);
955: #endif
1.10 fefe 956: #if 0
1.1 cvs 957: struct stat64 f;
958: char buf[128];
959: fstat64(0,&f);
960: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
961: return 0;
962: #endif
963: #if 0
964: FILE *f=fopen("foo","w");
965: fputc('a',f);
966: fputc('b',f);
967: fputc('c',f);
968: #endif
969: /* fprintf(stdout,"foo\n"); */
970: }
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