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