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