Annotation of dietlibc/t.c, revision 1.182
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:
1.174 fefe 104: #if 0
1.171 fefe 105: int traverse(const char* file, const struct stat* sb, int flag) {
106: __write1("found ");
107: __write1(file);
108: __write1("\n");
109: return 0;
110: }
1.174 fefe 111: #endif
1.171 fefe 112:
1.97 fefe 113: int main(int argc,char *argv[]) {
1.182 ! fefe 114: struct servent* se;
! 115: if (se=getservbyname("pop-3","tcp")) {
1.181 fefe 116: int i;
1.182 ! fefe 117: printf("name %s\tport %d\tproto %s\n",se->s_name,se->s_port,se->s_proto);
! 118: for (i=0; i<16; ++i) {
! 119: if (!se->s_aliases[i]) break;
! 120: printf(" alias %s\n",se->s_aliases[i]);
! 121: }
1.181 fefe 122: }
123: #if 0
1.180 fefe 124: fd_set f;
125: struct timeval tv;
126: FD_ZERO(&f);
127: tv.tv_sec=3; tv.tv_usec=0;
128: select(1,&f,0,0,&tv);
1.181 fefe 129: #endif
1.180 fefe 130: #if 0
1.179 fefe 131: char server_version_string[]="SSH-1.99-OpenSSH_2.9p2\n";
132: int remote_major, remote_minor;
133: char remote_version[1000];
134: if (sscanf(server_version_string, "SSH-%d.%d-%[^\n]\n",
135: &remote_major, &remote_minor, remote_version) != 3) puts("punt");
136: printf("%d.%d.%.100s\n",remote_major,remote_minor,remote_version);
1.180 fefe 137: #endif
1.172 fefe 138: #if 0
1.171 fefe 139: ftw("/tmp",traverse,10);
1.172 fefe 140: #endif
1.168 fefe 141: #if 0
1.169 fefe 142: printf("%u\n",getuid32());
143: #endif
144: #if 0
1.167 fefe 145: FILE *f;
146: int i;
147: char addr6p[8][5];
148: int plen, scope, dad_status, if_idx;
149: char addr6[40], devname[20];
150: if ((f = fopen("/proc/net/if_inet6", "r")) != NULL) {
151: while ((i=fscanf(f, "%4s%4s%4s%4s%4s%4s%4s%4s %02x %02x %02x %02x %20s\n",
152: addr6p[0], addr6p[1], addr6p[2], addr6p[3],
153: addr6p[4], addr6p[5], addr6p[6], addr6p[7],
154: &if_idx, &plen, &scope, &dad_status, devname)) != EOF) {
155: printf("i=%d\n",i);
156: }
157: }
1.168 fefe 158: #endif
1.169 fefe 159: #if 0
1.166 fefe 160: printf("%s\n",crypt("test","$1$"));
1.167 fefe 161: #endif
1.173 fefe 162: #if 0
1.166 fefe 163: MD5_CTX x;
164: unsigned char md5[16];
165: MD5Init(&x);
1.167 fefe 166: MD5Update(&x,"a",1);
1.166 fefe 167: MD5Final(md5,&x);
168: {
169: int i;
170: for (i=0; i<16; ++i) {
171: printf("%02x",md5[i]);
172: }
173: putchar('\n');
174: }
1.167 fefe 175: #endif
176: #if 0
1.165 fefe 177: printf("%d\n",memchr("aaaa",'x',4));
1.166 fefe 178: #endif
1.164 fefe 179: #if 0
180: long a,b,c;
1.161 fefe 181: char buf[20]="fnord";
1.164 fefe 182: strcpy(buf,"Fnordhausen");
183: strcpy2(buf,"Fnordhausen");
184: rdtscl(a);
185: strcpy(buf,"Fnordhausen");
186: rdtscl(b);
187: strcpy2(buf,"Fnordhausen");
188: rdtscl(c);
189: printf("C: %d ticks, asm: %d ticks\n",b-a,c-b);
190: #endif
191:
1.163 fefe 192: /* printf("%d\n",strcmp(buf,"fnord")); */
1.157 fefe 193: #if 0
194: regex_t r;
195: // printf("regcomp %d\n",regcomp(&r,"^(re([\\[0-9\\]+])*|aw):[ \t]*",REG_EXTENDED));
196: printf("regcomp %d\n",regcomp(&r,"^([A-Za-z ]+>|[]>:|}-][]>:|}-]*)",REG_EXTENDED));
197: printf("regexec %d\n",regexec(&r,"Marketing-Laufbahn hinterdir.",1,0,REG_NOSUB));
198: #endif
199: #if 0
1.156 fefe 200: FILE *f=fopen("/home/leitner/Mail/outbox","r");
201: char buf[1024];
202: int i=0;
203: if (f) {
204: while (fgets(buf,1023,f)) {
205: ++i;
206: printf("%d %lu %s",i,ftell(f),buf);
207: }
208: }
1.157 fefe 209: #endif
1.152 fefe 210: #if 0
1.151 fefe 211: char template[]="/tmp/duh/fnord-XXXXXX";
212: printf("%d\n",mkdtemp(template));
1.152 fefe 213: #endif
1.151 fefe 214: #if 0
1.150 fefe 215: char *inbuf="\xe2\x89\xa0";
216: // char *inbuf="\xc2\xa9";
217: char outbuf[100];
218: char *obptr=&outbuf;
219: size_t iblen=strlen(inbuf);
220: size_t oblen=100;
221: iconv_t i=iconv_open("utf-8","utf-8");
222: iconv(i,&inbuf,&iblen,&obptr,&oblen);
223: iconv_close(i);
224: outbuf[100-oblen]=0;
225: puts(outbuf);
1.151 fefe 226: #endif
1.150 fefe 227: #if 0
1.149 fefe 228: printf("%c %c\n",tolower('C'),toupper('c'));
1.150 fefe 229: #endif
1.147 fefe 230: #if 0
1.145 fefe 231: printf("foo\n");
1.146 fefe 232: #endif
1.145 fefe 233: #if 0
234: char strport[10];
235: int i;
236: for (i=0; i<10; ++i) strport[i]=i+'0';
237: snprintf( strport, sizeof(strport), "%d", 80 );
238: puts(strport);
239: #endif
1.179 fefe 240: #if 0
1.145 fefe 241: struct addrinfo *ai;
242: struct addrinfo hints;
243: char buf[16];
244: memset(&hints,0,sizeof(hints));
1.157 fefe 245: #if 0
1.145 fefe 246: hints.ai_family = AF_UNSPEC;
247: hints.ai_flags = AI_PASSIVE;
248: hints.ai_socktype = SOCK_STREAM;
1.157 fefe 249: #endif
250: hints.ai_family=0;
251: hints.ai_flags=0;
252: hints.ai_socktype=1;
253: hints.ai_protocol=0;
254: hints.ai_addrlen=0;
255: hints.ai_addr=0;
256: hints.ai_canonname=0;
257: hints.ai_next=0;
258: printf("%d\n",getaddrinfo("news.fu-berlin.de","119",&hints,&ai));
1.145 fefe 259: while (ai) {
260: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
261: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
262: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
263: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
264: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
265: {
266: char buf[100];
267: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
268: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
269: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
270: printf(" %s\n",buf);
271: }
272: ai=ai->ai_next;
273: }
274: #endif
1.144 fefe 275: #if 0
276: char buf[101];
277: __dtostr(M_PI,buf,100,6);
278: #endif
1.145 fefe 279: #if 0
1.144 fefe 280: printf("%d\n",strcasecmp("foo","FOO"));
1.145 fefe 281: #endif
1.144 fefe 282: #if 0
1.143 fefe 283: printf("%.24s", "Sun Jan 2 08:29:13 1994\n");
1.144 fefe 284: #endif
1.143 fefe 285: #if 0
286: printf("%.*s\n",13,"fnord");
287: #endif
1.141 fefe 288: #if 0
1.140 fefe 289: double d=strtod(argv[1],0);
290: printf("%g|\n",d);
1.141 fefe 291: #endif
1.140 fefe 292: #if 0
1.139 fefe 293: char buf[100];
294: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
295: puts(buf);
1.140 fefe 296: #endif
297: #if 0
1.139 fefe 298: printf("%lld\n",-1ll);
299: #endif
1.143 fefe 300: #if 0
1.139 fefe 301: char *str="e";
302: setbuf(stdout,0);
303: printf("foo\n");
304: fputc(toupper(*str++),stdout);
305: printf("bar\n");
1.138 fefe 306: #endif
1.137 fefe 307: #if 0
1.136 fefe 308: fwrite("foobar",6,1,stdout);
1.137 fefe 309: #endif
1.136 fefe 310: #if 0
1.135 fefe 311: char x[5];
312: x[4]='x';
313: fgets(x,4,stdin);
314: puts(x);
315: printf("%c\n",x[4]);
1.136 fefe 316: #endif
1.134 fefe 317: #if 0
1.133 fefe 318: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
319: char* want[]={"/usr","/",".","/",".","."};
320: int i;
321: for (i=0; i<6; ++i) {
322: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
323: }
1.134 fefe 324: #endif
1.133 fefe 325: #if 0
326: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
327: char* want[]={"lib","usr","usr","/",".",".."};
328: int i;
329: for (i=0; i<6; ++i) {
330: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
331: }
332: #endif
333: #if 0
1.132 fefe 334: int i;
335: for (i=0; i<255; ++i) {
336: int a=isalpha(i);
337: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
338: if (a!=b) printf("%d: %d %d\n",i,a,b);
339: }
1.133 fefe 340: #endif
1.131 fefe 341: #if 0
1.130 fefe 342: char* name;
343: int ptyfd,ttyfd;
344: int i=openpty(&ptyfd,&ttyfd,0,0,0);
345: if (i<0) perror("openpty");
346: printf("%d %d\n",ptyfd,ttyfd);
347: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 348: #endif
1.129 fefe 349: #if 0
350: printf("0x%8.7lx\n",0xfefe);
351: #endif
352: #if 0
1.128 fefe 353: puts(ttyname(0));
1.129 fefe 354: #endif
1.178 fefe 355: #if 0
1.125 fefe 356: char buf[1024];
357: struct hostent* r;
1.177 fefe 358: r=gethostbyname("line.org");
1.174 fefe 359: if (!r) {
360: printf("dns error: %s\n",hstrerror(h_errno));
361: }
1.152 fefe 362: {
363: /* while (r=gethostent_r(buf,1024)) { */
1.125 fefe 364: if (r && r->h_name) {
1.152 fefe 365: int i;
366: printf("name \"%s\"; ", r->h_name);
367: for (i=0; i<8; ++i)
368: if (r->h_aliases[i]) {
369: printf("alias \"%s\"; ",r->h_aliases[i]);
1.174 fefe 370: } else break;
1.152 fefe 371: if ((r->h_addr_list)[0]) {
372: struct in_addr address;
373: address = *((struct in_addr *) (r->h_addr_list)[0]);
374: printf("addr %s; ", inet_ntoa(address));
375: }
376: putchar('\n');
1.125 fefe 377: }
378: }
379: #endif
380: #if 0
1.124 fefe 381: char *tmp;
382: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 383: #endif
1.128 fefe 384: #if 0
1.123 fefe 385: struct mntent* me;
1.127 fefe 386: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 387: while (me=getmntent(f)) {
1.139 fefe 388: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 389: 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 390: break;
1.123 fefe 391: }
1.124 fefe 392: #endif
1.123 fefe 393: #if 0
394: char *tmp;
395: printf("%x\n",strtol("0Xffff",&tmp,16));
396: #endif
1.155 fefe 397: /* putchar('c');
398: write(1,"fnord\n",6); */
1.176 fefe 399: #if 0
1.121 fefe 400: struct addrinfo *ai;
1.175 fefe 401: // getaddrinfo("xorn","22",0,&ai);
402: puts(gai_strerror(getaddrinfo("xorn","22",0,&ai)));
1.121 fefe 403: #endif
1.122 fefe 404: #if 0
1.121 fefe 405: struct hostent host,*res;
406: char buf[4096];
407: int fnord;
408:
1.131 fefe 409: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 410: #endif
1.121 fefe 411: #if 0
1.119 fefe 412: char buf[128];
1.120 fefe 413: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 414: printf("%d\n",mkdtemp(buf));
415: printf("%s\n",buf);
1.120 fefe 416: #endif
1.119 fefe 417: #if 0
1.118 fefe 418: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 419: #endif
1.113 fefe 420: #if 0
1.109 fefe 421: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 422: assert(0);
1.113 fefe 423: #endif
1.105 fefe 424: #if 0
425: printf("%hd %hhd\n",-5,-1234567);
426: #endif
1.103 fefe 427: #if 0
1.102 fefe 428: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
429: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 430: #endif
1.102 fefe 431: #if 0
1.101 fefe 432: char buf[1024];
433: int len;
434: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 435: #endif
1.114 fefe 436: #if 0
1.100 fefe 437: regex_t t;
438: regmatch_t rm;
1.103 fefe 439: // regcomp(&t,"^ *read",0);
1.113 fefe 440: regcomp(&t,"\\<foo\\>",0);
441: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 442: printf("ofs %d\n",rm.rm_so);
1.101 fefe 443: #endif
1.100 fefe 444: #if 0
1.98 fefe 445: char buf[100];
1.99 fefe 446: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 447: #endif
1.99 fefe 448: #if 0
449: char buf[100];
1.98 fefe 450: memset(buf,17,100);
451: buf[0]=0;
452: strncat(buf,"foobarbaz23",10);
453: puts(buf);
1.99 fefe 454: #endif
1.98 fefe 455: #if 0
1.97 fefe 456: int aflag = 0;
457: int bflag = 0;
458: char *cvalue = NULL;
459: int index;
460: int c;
461:
462: opterr = 1;
463:
464: while ((c = getopt (argc, argv, "abc:")) != -1)
465: switch (c)
466: {
467: case 'a':
468: aflag = 1;
469: break;
470: case 'b':
471: bflag = 1;
472: break;
473: case 'c':
474: cvalue = optarg;
475: break;
476: case '?':
477: if (isprint (optopt))
478: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
479: else
480: fprintf (stderr,
481: "Unknown option character `\\x%x'.\n",
482: optopt);
483: return 1;
484: default:
485: abort ();
486: }
1.96 fefe 487:
1.97 fefe 488: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
489: aflag, bflag, cvalue);
490:
491: for (index = optind; index < argc; index++)
492: printf ("Non-option argument %s\n", argv[index]);
493: return 0;
1.98 fefe 494: #endif
1.97 fefe 495: #if 0
1.96 fefe 496: char *t="foobar";
497: char *c;
498: char buf[1000];
499: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 500: #endif
1.89 fefe 501: #if 0
502: struct netent* n=getnetbyname("loopback");
503: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
504: #endif
505: #if 0
1.88 fefe 506: fprintf(stdout,"foo\n");
507: sleep(1);
508: fprintf(stdout,"bar");
509: fprintf(stderr,"blonk");
510: sleep(1);
511: fprintf(stdout,"\rbz");
512: sleep(1);
513: fprintf(stdout,"\n");
514: sleep(1);
1.89 fefe 515: #endif
1.87 fefe 516: #if 0
1.86 fefe 517: sigset_t s; /* sigsetops */
518:
519: sigemptyset(&s);
520: sigaddset(&s,SIGCHLD);
521: sigaddset(&s,SIGHUP);
522: sigsuspend(&s);
1.87 fefe 523: #endif
1.85 fefe 524: #if 0
1.84 fefe 525: char buf[1024];
526: FILE *f=popen("uname -srm","r");
527: fgets(buf,1023,f);
528: pclose(f);
529: write(1,buf,strlen(buf));
1.85 fefe 530: #endif
1.84 fefe 531: #if 0
1.82 fefe 532: char type[64];
1.83 fefe 533: char filename[256];
534: int major,minor;
1.82 fefe 535: int len;
1.83 fefe 536: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
537: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 538: #endif
1.82 fefe 539: #if 0
1.81 fefe 540: char buf[100];
541: char ip[16];
542: memset(ip,0,16);
543: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
544: puts(buf);
1.82 fefe 545: #endif
1.127 fefe 546: #if 0
1.76 fefe 547: struct addrinfo *ai;
1.78 fefe 548: struct addrinfo hints;
1.79 fefe 549: char buf[16];
1.78 fefe 550: hints.ai_family = AF_UNSPEC;
1.79 fefe 551: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 552: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 553: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 554: while (ai) {
555: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
556: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
557: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
558: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
559: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 560: {
561: char buf[100];
562: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
563: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
564: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
565: printf(" %s\n",buf);
566: }
1.76 fefe 567: ai=ai->ai_next;
568: }
1.81 fefe 569: #endif
1.76 fefe 570: #if 0
1.71 fefe 571: int i=foo;
1.75 fefe 572: printf("load average is %3.2f\n",0.0);
1.76 fefe 573: #endif
1.70 fefe 574: #if 0
1.69 fefe 575: struct dirent **namelist;
576: int n;
1.16 fefe 577:
1.69 fefe 578: n = scandir(".", &namelist, 0, alphasort);
579: if (n < 0)
580: perror("scandir");
581: else {
582: while(n--) {
583: printf("%s\n", namelist[n]->d_name);
584: free(namelist[n]);
585: }
586: free(namelist);
587: }
1.70 fefe 588: #endif
1.68 fefe 589: #if 0
1.67 fefe 590: char foo[10]="none,zlib";
591: char *tmp,*tmp2=foo;
592: while (tmp=strsep(&tmp2,",")) {
593: puts(tmp);
594: }
1.68 fefe 595: #endif
1.65 fefe 596: #if 0
1.61 fefe 597: char foo[10];
1.64 fefe 598: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 599: strcpy(foo,"foo");
600: strncat(foo,"barbaz",3);
601: foo[6]=0;
602: puts(foo);
1.65 fefe 603: #endif
1.115 fefe 604: #if 0
1.58 fefe 605: struct hostent * host;
606: struct in_addr i;
1.57 fefe 607:
1.131 fefe 608: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 609:
1.58 fefe 610: if (!host)
611: printf("host null\n");
1.57 fefe 612:
1.58 fefe 613: if (host && host->h_name) {
614: printf("name %s\n", host->h_name);
615: }
616: if (host && (host->h_addr_list)[0]) {
617: struct in_addr address;
618: address = *((struct in_addr *) (host->h_addr_list)[0]);
619: printf("addr %s\n", inet_ntoa(address));
620: }
1.59 fefe 621: #endif
1.57 fefe 622: #if 0
1.56 fefe 623: struct msgbuf bla;
624: bla.mtype=0;
625: bla.mtext[0]='x';
626: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 627: #endif
1.55 fefe 628: #if 0
1.54 fefe 629: char buf[PATH_MAX];
630: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 631: #endif
1.73 fefe 632: #if 0
1.53 fefe 633: regex_t t;
1.68 fefe 634: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 635: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 636: #endif
1.53 fefe 637: #if 0
1.52 fefe 638: float my_float = 9.2334;
639: char buffer[100];
640:
641: sprintf(buffer, "%.2f", my_float);
642: fprintf(stdout, "%s", buffer);
1.53 fefe 643: #endif
1.52 fefe 644: #if 0
1.51 fefe 645: printf("%d\n",setenv("foo","bar",0));
646: printf("%d\n",setenv("foo","bar",1));
647: execlp("printenv","printenv","foo",0);
1.52 fefe 648: #endif
1.106 fefe 649: #if 0
1.59 fefe 650: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 651: if (!fnmatch("s*", "sub", 0))
652: printf("s* sub\n");
653: if (!fnmatch("s*", "glob", 0))
654: printf("s* glob\n");
655: if (!fnmatch("s*b", "sub", 0))
656: printf("s*b sub\n");
657: if (!fnmatch("s*h", "sub", 0))
658: printf("s*h sub\n");
1.51 fefe 659: #endif
1.49 fefe 660: #if 0
1.48 fefe 661: char*tmp;
662: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
663: write(1,tmp,n);
664: free(tmp);
1.49 fefe 665: #endif
1.41 fefe 666: #if 0
1.40 fefe 667: struct passwd *p=getpwnam("leitner");
1.41 fefe 668: struct spwd *s=getspnam("leitner");
1.39 fefe 669: printf("%g\n",30.0123);
1.41 fefe 670: #endif
1.43 fefe 671: #if 0
1.42 fefe 672: initgroups("root",100);
1.43 fefe 673: #endif
1.38 fefe 674: #if 0
1.37 fefe 675: time_t t=time(0);
676: puts(asctime(localtime(&t)));
1.38 fefe 677: #endif
1.135 fefe 678: #if 0
1.134 fefe 679: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 680: if (foo)
681: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 682: #endif
1.121 fefe 683: #if 0
1.33 fefe 684: char buf[128];
1.120 fefe 685: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 686: printf("%d\n",mkstemp(buf));
1.34 fefe 687: printf("%s\n",buf);
688: unlink(buf);
1.35 fefe 689: #endif
1.33 fefe 690: #if 0
1.32 fefe 691: char buf[512]="foo";
692: strncat(buf,"barbaz",3);
693: puts(buf);
1.33 fefe 694: #endif
1.32 fefe 695: #if 0
1.31 fefe 696: time_t oink=time(0);
697: struct tm *duh=localtime(&oink);
698: strftime(buf,512,"%A %B %Y\n",duh);
699: puts(buf);
1.32 fefe 700: #endif
1.126 fefe 701: #if 0
1.28 fefe 702: struct in_addr bar;
703: struct hostent *foo;
1.125 fefe 704: inet_aton("160.45.10.8",&bar);
705: /* foo=gethostbyname("zeit.fu-berlin.de"); */
706: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 707: if (foo)
708: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 709: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 710: #endif
1.18 fefe 711: #if 0
1.17 fefe 712: double d=0.0;
713: long long t=0x12345678ABCDEF01;
714: d/=0.0;
715: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 716: #endif
1.177 fefe 717: #if 0
1.176 fefe 718: #define SIZE 1000
719: int array[SIZE],array2[SIZE];
1.16 fefe 720: int i,j;
721: long a,b,c;
1.176 fefe 722: int *k;
723: for (i=0; i<SIZE; ++i) array[i]=rand();
724: memcpy(array2,array,sizeof(array));
725: qsort(array,SIZE,sizeof(int),compint);
726: for (i=0; i<SIZE-1; ++i)
727: assert(array[i]>array[i+1]);
728: k=bsearch(array+10,array,SIZE,sizeof(int),compint);
729: printf("%d\n",*k);
730: #endif
731: #if 0
1.16 fefe 732: printf("%p\n",malloc(0));
733: qsort(array,2,sizeof(int),compint);
734: for (i=0; i<SIZE; ++i)
735: array[i]=rand();
736: rdtscl(a);
737: qsort(array,SIZE,sizeof(int),compint);
738: rdtscl(b);
739: j=array[LOOKFOR];
740: res=bsearch(&j,array,SIZE,sizeof(int),compint);
741: rdtscl(c);
742: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
743: for (i=0; i<SIZE-1; ++i)
744: if (array[i]>array[i+1]) {
745: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
746: return 1;
747: }
748: if (*res!=j)
749: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
750: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 751: #endif
1.13 fefe 752: #if 0
1.12 fefe 753: struct in_addr duh;
754: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
755: printf("%x\n",duh.s_addr);
1.13 fefe 756: #endif
1.12 fefe 757: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 758: #if 0
1.10 fefe 759: char buf[100];
760: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
761: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 762: #endif
1.9 fefe 763: #if 0
1.7 fefe 764: struct tm duh;
765: time_t t;
1.8 fefe 766: time(&t);
767: gmtime_r(&t,&duh);
768: printf("%s\n",asctime(&duh));
1.9 fefe 769: #endif
1.8 fefe 770: #if 0
1.7 fefe 771: char buf[30];
772: duh.tm_sec=42;
773: duh.tm_min=23;
774: duh.tm_hour=17;
775: duh.tm_mday=2;
776: duh.tm_mon=7;
777: duh.tm_year=100;
778: t=mktime(&duh);
779: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 780: #endif
1.2 fefe 781: #if 0
1.1 cvs 782: int i;
783: for (i=0; i<5; i++) {
784: fprintf(stdout,"first message\n");
785: fprintf(stdout,"second message\n");
786: fprintf(stdout,"third message\n");
787: printf("foo %d\n",i);
788: }
1.2 fefe 789: #endif
1.1 cvs 790: #if 0
791: char buf[1024];
792: sscanf("foo bar","%s",buf);
793: printf("%s\n",buf);
794: #endif
795: #if 0
796: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
797: perror("mount");
798: #endif
799: #if 0
800: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
801: int i=strtol(t+1,&t,10);
802: printf("%d %s\n",i,t);
803: #endif
804: #if 0
805: char **tmp;
1.115 fefe 806: putenv("A=foo");
1.1 cvs 807: for (tmp=environ; *tmp; tmp++)
808: puts(*tmp);
809: #endif
810: #if 0
811: char buf[1024];
812: printf("%d\n",fprintf(stderr,"duh\n"));
813: #endif
814: #if 0
815: struct passwd *p=getpwuid(100);
816: puts(p->pw_name);
817: #endif
818: #if 0
819: int pid;
820: char name[32];
821: sscanf("1 (init","%d (%15c",&pid,name);
822: printf("pid %d name %s\n",pid,name);
823: #endif
1.109 fefe 824: #if 0
1.1 cvs 825: DIR *d=opendir("/proc");
826: if (d) {
827: struct dirent *D;
828: while (D=readdir(d))
829: puts(D->d_name);
830: closedir(d);
831: }
832: #endif
833: #if 0
834: char buf[1024];
835: int fd=open("/etc/passwd",0);
836: pread(fd,buf,30,32);
837: close(fd);
838: write(1,buf,32);
839: #endif
840: #if 0
841: char *argv[] = {"echo","foo",0};
842: char buf[100];
843: buf[5]='x';
844: sprintf(buf,"foo\n");
845: if (buf[5] == 'x')
846: exit(0);
847: else
848: exit(1);
849: execvp(argv[0],argv);
850: #endif
1.10 fefe 851: #if 0
1.1 cvs 852: struct stat64 f;
853: char buf[128];
854: fstat64(0,&f);
855: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
856: return 0;
857: #endif
858: #if 0
859: FILE *f=fopen("foo","w");
860: fputc('a',f);
861: fputc('b',f);
862: fputc('c',f);
863: #endif
864: /* fprintf(stdout,"foo\n"); */
865: }
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