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