Annotation of dietlibc/t.c, revision 1.97
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>
1.1 cvs 33:
1.71 fefe 34: int foo;
35:
1.97 ! fefe 36: int main(int argc,char *argv[]) {
! 37: int aflag = 0;
! 38: int bflag = 0;
! 39: char *cvalue = NULL;
! 40: int index;
! 41: int c;
! 42:
! 43: opterr = 1;
! 44:
! 45: while ((c = getopt (argc, argv, "abc:")) != -1)
! 46: switch (c)
! 47: {
! 48: case 'a':
! 49: aflag = 1;
! 50: break;
! 51: case 'b':
! 52: bflag = 1;
! 53: break;
! 54: case 'c':
! 55: cvalue = optarg;
! 56: break;
! 57: case '?':
! 58: if (isprint (optopt))
! 59: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
! 60: else
! 61: fprintf (stderr,
! 62: "Unknown option character `\\x%x'.\n",
! 63: optopt);
! 64: return 1;
! 65: default:
! 66: abort ();
! 67: }
1.96 fefe 68:
1.97 ! fefe 69: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
! 70: aflag, bflag, cvalue);
! 71:
! 72: for (index = optind; index < argc; index++)
! 73: printf ("Non-option argument %s\n", argv[index]);
! 74: return 0;
! 75:
! 76: #if 0
1.96 fefe 77: char *t="foobar";
78: char *c;
79: char buf[1000];
80: puts(strcat(strcpy(buf,"HOME="),t));
1.97 ! fefe 81: #endif
1.89 fefe 82: #if 0
83: struct netent* n=getnetbyname("loopback");
84: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
85: #endif
86: #if 0
1.88 fefe 87: fprintf(stdout,"foo\n");
88: sleep(1);
89: fprintf(stdout,"bar");
90: fprintf(stderr,"blonk");
91: sleep(1);
92: fprintf(stdout,"\rbz");
93: sleep(1);
94: fprintf(stdout,"\n");
95: sleep(1);
1.89 fefe 96: #endif
1.87 fefe 97: #if 0
1.86 fefe 98: sigset_t s; /* sigsetops */
99:
100: sigemptyset(&s);
101: sigaddset(&s,SIGCHLD);
102: sigaddset(&s,SIGHUP);
103: sigsuspend(&s);
1.87 fefe 104: #endif
1.85 fefe 105: #if 0
1.84 fefe 106: char buf[1024];
107: FILE *f=popen("uname -srm","r");
108: fgets(buf,1023,f);
109: pclose(f);
110: write(1,buf,strlen(buf));
1.85 fefe 111: #endif
1.84 fefe 112: #if 0
1.82 fefe 113: char type[64];
1.83 fefe 114: char filename[256];
115: int major,minor;
1.82 fefe 116: int len;
1.83 fefe 117: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
118: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 119: #endif
1.82 fefe 120: #if 0
1.81 fefe 121: char buf[100];
122: char ip[16];
123: memset(ip,0,16);
124: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
125: puts(buf);
1.82 fefe 126: #endif
1.92 fefe 127: #if 0
1.76 fefe 128: struct addrinfo *ai;
1.78 fefe 129: struct addrinfo hints;
1.79 fefe 130: char buf[16];
1.78 fefe 131: hints.ai_family = AF_UNSPEC;
1.79 fefe 132: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 133: hints.ai_socktype = SOCK_STREAM;
1.91 fefe 134: printf("%d\n",getaddrinfo("borg","ssh",&hints,&ai));
1.76 fefe 135: while (ai) {
136: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
137: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
138: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
139: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
140: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 141: {
142: char buf[100];
143: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
144: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
145: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
146: printf(" %s\n",buf);
147: }
1.76 fefe 148: ai=ai->ai_next;
149: }
1.81 fefe 150: #endif
1.76 fefe 151: #if 0
1.71 fefe 152: int i=foo;
1.75 fefe 153: printf("load average is %3.2f\n",0.0);
1.76 fefe 154: #endif
1.70 fefe 155: #if 0
1.69 fefe 156: struct dirent **namelist;
157: int n;
1.16 fefe 158:
1.69 fefe 159: n = scandir(".", &namelist, 0, alphasort);
160: if (n < 0)
161: perror("scandir");
162: else {
163: while(n--) {
164: printf("%s\n", namelist[n]->d_name);
165: free(namelist[n]);
166: }
167: free(namelist);
168: }
1.70 fefe 169: #endif
1.68 fefe 170: #if 0
1.67 fefe 171: char foo[10]="none,zlib";
172: char *tmp,*tmp2=foo;
173: while (tmp=strsep(&tmp2,",")) {
174: puts(tmp);
175: }
1.68 fefe 176: #endif
1.65 fefe 177: #if 0
1.61 fefe 178: char foo[10];
1.64 fefe 179: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 180: strcpy(foo,"foo");
181: strncat(foo,"barbaz",3);
182: foo[6]=0;
183: puts(foo);
1.65 fefe 184: #endif
1.91 fefe 185: #if 0
1.58 fefe 186: struct hostent * host;
187: struct in_addr i;
1.57 fefe 188:
1.90 fefe 189: host = gethostbyname2("borg",AF_INET6);
1.57 fefe 190:
1.58 fefe 191: if (!host)
192: printf("host null\n");
1.57 fefe 193:
1.58 fefe 194: if (host && host->h_name) {
195: printf("name %s\n", host->h_name);
196: }
197: if (host && (host->h_addr_list)[0]) {
198: struct in_addr address;
199: address = *((struct in_addr *) (host->h_addr_list)[0]);
200: printf("addr %s\n", inet_ntoa(address));
201: }
1.59 fefe 202: #endif
1.57 fefe 203: #if 0
1.56 fefe 204: struct msgbuf bla;
205: bla.mtype=0;
206: bla.mtext[0]='x';
207: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 208: #endif
1.55 fefe 209: #if 0
1.54 fefe 210: char buf[PATH_MAX];
211: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 212: #endif
1.73 fefe 213: #if 0
1.53 fefe 214: regex_t t;
1.68 fefe 215: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 216: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 217: #endif
1.53 fefe 218: #if 0
1.52 fefe 219: float my_float = 9.2334;
220: char buffer[100];
221:
222: sprintf(buffer, "%.2f", my_float);
223: fprintf(stdout, "%s", buffer);
1.53 fefe 224: #endif
1.52 fefe 225: #if 0
1.51 fefe 226: printf("%d\n",setenv("foo","bar",0));
227: printf("%d\n",setenv("foo","bar",1));
228: execlp("printenv","printenv","foo",0);
1.52 fefe 229: #endif
1.60 fefe 230: #if 0
1.59 fefe 231: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 232: if (!fnmatch("s*", "sub", 0))
233: printf("s* sub\n");
234: if (!fnmatch("s*", "glob", 0))
235: printf("s* glob\n");
236: if (!fnmatch("s*b", "sub", 0))
237: printf("s*b sub\n");
238: if (!fnmatch("s*h", "sub", 0))
239: printf("s*h sub\n");
1.51 fefe 240: #endif
1.49 fefe 241: #if 0
1.48 fefe 242: char*tmp;
243: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
244: write(1,tmp,n);
245: free(tmp);
1.49 fefe 246: #endif
1.41 fefe 247: #if 0
1.40 fefe 248: struct passwd *p=getpwnam("leitner");
1.41 fefe 249: struct spwd *s=getspnam("leitner");
1.39 fefe 250: printf("%g\n",30.0123);
1.41 fefe 251: #endif
1.43 fefe 252: #if 0
1.42 fefe 253: initgroups("root",100);
1.43 fefe 254: #endif
1.38 fefe 255: #if 0
1.37 fefe 256: time_t t=time(0);
257: puts(asctime(localtime(&t)));
1.38 fefe 258: #endif
1.37 fefe 259: #if 0
1.36 fefe 260: struct servent *foo=getservbyname("ident","tcp");
261: if (foo)
262: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 263: #endif
1.35 fefe 264: #if 0
1.33 fefe 265: char buf[128];
266: strcpy(buf,"/tmp/foo.XXXXXXX");
267: printf("%d\n",mkstemp(buf));
1.34 fefe 268: printf("%s\n",buf);
269: unlink(buf);
1.35 fefe 270: #endif
1.33 fefe 271: #if 0
1.32 fefe 272: char buf[512]="foo";
273: strncat(buf,"barbaz",3);
274: puts(buf);
1.33 fefe 275: #endif
1.32 fefe 276: #if 0
1.31 fefe 277: time_t oink=time(0);
278: struct tm *duh=localtime(&oink);
279: strftime(buf,512,"%A %B %Y\n",duh);
280: puts(buf);
1.32 fefe 281: #endif
1.31 fefe 282: #if 0
1.28 fefe 283: struct in_addr bar;
284: struct hostent *foo;
1.29 fefe 285: /* inet_aton("160.45.10.8",&bar); */
286: foo=gethostbyname("zeit.fu-berlin.de");
287: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 288: if (foo)
289: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 290: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 291: #endif
1.18 fefe 292: #if 0
1.17 fefe 293: double d=0.0;
294: long long t=0x12345678ABCDEF01;
295: d/=0.0;
296: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 297: #endif
1.17 fefe 298: #if 0
1.16 fefe 299: int i,j;
300: long a,b,c;
301: int *res;
302: printf("%p\n",malloc(0));
303: qsort(array,2,sizeof(int),compint);
304: for (i=0; i<SIZE; ++i)
305: array[i]=rand();
306: rdtscl(a);
307: qsort(array,SIZE,sizeof(int),compint);
308: rdtscl(b);
309: j=array[LOOKFOR];
310: res=bsearch(&j,array,SIZE,sizeof(int),compint);
311: rdtscl(c);
312: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
313: for (i=0; i<SIZE-1; ++i)
314: if (array[i]>array[i+1]) {
315: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
316: return 1;
317: }
318: if (*res!=j)
319: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
320: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 321: #endif
1.13 fefe 322: #if 0
1.12 fefe 323: struct in_addr duh;
324: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
325: printf("%x\n",duh.s_addr);
1.13 fefe 326: #endif
1.12 fefe 327: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 328: #if 0
1.10 fefe 329: char buf[100];
330: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
331: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 332: #endif
1.9 fefe 333: #if 0
1.7 fefe 334: struct tm duh;
335: time_t t;
1.8 fefe 336: time(&t);
337: gmtime_r(&t,&duh);
338: printf("%s\n",asctime(&duh));
1.9 fefe 339: #endif
1.8 fefe 340: #if 0
1.7 fefe 341: char buf[30];
342: duh.tm_sec=42;
343: duh.tm_min=23;
344: duh.tm_hour=17;
345: duh.tm_mday=2;
346: duh.tm_mon=7;
347: duh.tm_year=100;
348: t=mktime(&duh);
349: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 350: #endif
1.2 fefe 351: #if 0
1.1 cvs 352: int i;
353: for (i=0; i<5; i++) {
354: fprintf(stdout,"first message\n");
355: fprintf(stdout,"second message\n");
356: fprintf(stdout,"third message\n");
357: printf("foo %d\n",i);
358: }
1.2 fefe 359: #endif
1.1 cvs 360: #if 0
361: char buf[1024];
362: sscanf("foo bar","%s",buf);
363: printf("%s\n",buf);
364: #endif
365: #if 0
366: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
367: perror("mount");
368: #endif
369: #if 0
370: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
371: int i=strtol(t+1,&t,10);
372: printf("%d %s\n",i,t);
373: #endif
374: #if 0
375: char **tmp;
376: putenv("FOO");
377: assert(1==2);
378: for (tmp=environ; *tmp; tmp++)
379: puts(*tmp);
380: #endif
381: #if 0
382: char buf[1024];
383: printf("%d\n",fprintf(stderr,"duh\n"));
384: #endif
385: #if 0
386: struct passwd *p=getpwuid(100);
387: puts(p->pw_name);
388: #endif
389: #if 0
390: int pid;
391: char name[32];
392: sscanf("1 (init","%d (%15c",&pid,name);
393: printf("pid %d name %s\n",pid,name);
394: #endif
395: #if 0
396: DIR *d=opendir("/proc");
397: if (d) {
398: struct dirent *D;
399: while (D=readdir(d))
400: puts(D->d_name);
401: closedir(d);
402: }
403: #endif
404: #if 0
405: char buf[1024];
406: int fd=open("/etc/passwd",0);
407: pread(fd,buf,30,32);
408: close(fd);
409: write(1,buf,32);
410: #endif
411: #if 0
412: char *argv[] = {"echo","foo",0};
413: char buf[100];
414: buf[5]='x';
415: sprintf(buf,"foo\n");
416: if (buf[5] == 'x')
417: exit(0);
418: else
419: exit(1);
420: execvp(argv[0],argv);
421: #endif
1.10 fefe 422: #if 0
1.1 cvs 423: struct stat64 f;
424: char buf[128];
425: fstat64(0,&f);
426: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
427: return 0;
428: #endif
429: #if 0
430: FILE *f=fopen("foo","w");
431: fputc('a',f);
432: fputc('b',f);
433: fputc('c',f);
434: #endif
435: /* fprintf(stdout,"foo\n"); */
436: }
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