Annotation of dietlibc/t.c, revision 1.76
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>
1.1 cvs 30:
1.71 fefe 31: int foo;
32:
1.69 fefe 33: int main(int argc,char *argv[]) {
1.76 ! fefe 34: struct addrinfo *ai;
! 35: printf("%d\n",getaddrinfo("knuth.fefe.de","ssh",0,&ai));
! 36: while (ai) {
! 37: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
! 38: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
! 39: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
! 40: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
! 41: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
! 42: ai=ai->ai_next;
! 43: }
! 44: #if 0
1.71 fefe 45: int i=foo;
1.75 fefe 46: printf("load average is %3.2f\n",0.0);
1.76 ! fefe 47: #endif
1.70 fefe 48: #if 0
1.69 fefe 49: struct dirent **namelist;
50: int n;
1.16 fefe 51:
1.69 fefe 52: n = scandir(".", &namelist, 0, alphasort);
53: if (n < 0)
54: perror("scandir");
55: else {
56: while(n--) {
57: printf("%s\n", namelist[n]->d_name);
58: free(namelist[n]);
59: }
60: free(namelist);
61: }
1.70 fefe 62: #endif
1.68 fefe 63: #if 0
1.67 fefe 64: char foo[10]="none,zlib";
65: char *tmp,*tmp2=foo;
66: while (tmp=strsep(&tmp2,",")) {
67: puts(tmp);
68: }
1.68 fefe 69: #endif
1.65 fefe 70: #if 0
1.61 fefe 71: char foo[10];
1.64 fefe 72: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 73: strcpy(foo,"foo");
74: strncat(foo,"barbaz",3);
75: foo[6]=0;
76: puts(foo);
1.65 fefe 77: #endif
1.59 fefe 78: #if 0
1.58 fefe 79: struct hostent * host;
80: struct in_addr i;
1.57 fefe 81:
1.58 fefe 82: host = gethostbyname("ftp.ciril.fr");
1.57 fefe 83:
1.58 fefe 84: if (!host)
85: printf("host null\n");
1.57 fefe 86:
1.58 fefe 87: if (host && host->h_name) {
88: printf("name %s\n", host->h_name);
89: }
90: if (host && (host->h_addr_list)[0]) {
91: struct in_addr address;
92: address = *((struct in_addr *) (host->h_addr_list)[0]);
93: printf("addr %s\n", inet_ntoa(address));
94: }
1.59 fefe 95: #endif
1.57 fefe 96: #if 0
1.56 fefe 97: struct msgbuf bla;
98: bla.mtype=0;
99: bla.mtext[0]='x';
100: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 101: #endif
1.55 fefe 102: #if 0
1.54 fefe 103: char buf[PATH_MAX];
104: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 105: #endif
1.73 fefe 106: #if 0
1.53 fefe 107: regex_t t;
1.68 fefe 108: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 109: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 110: #endif
1.53 fefe 111: #if 0
1.52 fefe 112: float my_float = 9.2334;
113: char buffer[100];
114:
115: sprintf(buffer, "%.2f", my_float);
116: fprintf(stdout, "%s", buffer);
1.53 fefe 117: #endif
1.52 fefe 118: #if 0
1.51 fefe 119: printf("%d\n",setenv("foo","bar",0));
120: printf("%d\n",setenv("foo","bar",1));
121: execlp("printenv","printenv","foo",0);
1.52 fefe 122: #endif
1.60 fefe 123: #if 0
1.59 fefe 124: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 125: if (!fnmatch("s*", "sub", 0))
126: printf("s* sub\n");
127: if (!fnmatch("s*", "glob", 0))
128: printf("s* glob\n");
129: if (!fnmatch("s*b", "sub", 0))
130: printf("s*b sub\n");
131: if (!fnmatch("s*h", "sub", 0))
132: printf("s*h sub\n");
1.51 fefe 133: #endif
1.49 fefe 134: #if 0
1.48 fefe 135: char*tmp;
136: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
137: write(1,tmp,n);
138: free(tmp);
1.49 fefe 139: #endif
1.41 fefe 140: #if 0
1.40 fefe 141: struct passwd *p=getpwnam("leitner");
1.41 fefe 142: struct spwd *s=getspnam("leitner");
1.39 fefe 143: printf("%g\n",30.0123);
1.41 fefe 144: #endif
1.43 fefe 145: #if 0
1.42 fefe 146: initgroups("root",100);
1.43 fefe 147: #endif
1.38 fefe 148: #if 0
1.37 fefe 149: time_t t=time(0);
150: puts(asctime(localtime(&t)));
1.38 fefe 151: #endif
1.37 fefe 152: #if 0
1.36 fefe 153: struct servent *foo=getservbyname("ident","tcp");
154: if (foo)
155: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 156: #endif
1.35 fefe 157: #if 0
1.33 fefe 158: char buf[128];
159: strcpy(buf,"/tmp/foo.XXXXXXX");
160: printf("%d\n",mkstemp(buf));
1.34 fefe 161: printf("%s\n",buf);
162: unlink(buf);
1.35 fefe 163: #endif
1.33 fefe 164: #if 0
1.32 fefe 165: char buf[512]="foo";
166: strncat(buf,"barbaz",3);
167: puts(buf);
1.33 fefe 168: #endif
1.32 fefe 169: #if 0
1.31 fefe 170: time_t oink=time(0);
171: struct tm *duh=localtime(&oink);
172: strftime(buf,512,"%A %B %Y\n",duh);
173: puts(buf);
1.32 fefe 174: #endif
1.31 fefe 175: #if 0
1.28 fefe 176: struct in_addr bar;
177: struct hostent *foo;
1.29 fefe 178: /* inet_aton("160.45.10.8",&bar); */
179: foo=gethostbyname("zeit.fu-berlin.de");
180: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 181: if (foo)
182: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 183: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 184: #endif
1.18 fefe 185: #if 0
1.17 fefe 186: double d=0.0;
187: long long t=0x12345678ABCDEF01;
188: d/=0.0;
189: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 190: #endif
1.17 fefe 191: #if 0
1.16 fefe 192: int i,j;
193: long a,b,c;
194: int *res;
195: printf("%p\n",malloc(0));
196: qsort(array,2,sizeof(int),compint);
197: for (i=0; i<SIZE; ++i)
198: array[i]=rand();
199: rdtscl(a);
200: qsort(array,SIZE,sizeof(int),compint);
201: rdtscl(b);
202: j=array[LOOKFOR];
203: res=bsearch(&j,array,SIZE,sizeof(int),compint);
204: rdtscl(c);
205: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
206: for (i=0; i<SIZE-1; ++i)
207: if (array[i]>array[i+1]) {
208: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
209: return 1;
210: }
211: if (*res!=j)
212: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
213: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 214: #endif
1.13 fefe 215: #if 0
1.12 fefe 216: struct in_addr duh;
217: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
218: printf("%x\n",duh.s_addr);
1.13 fefe 219: #endif
1.12 fefe 220: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 221: #if 0
1.10 fefe 222: char buf[100];
223: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
224: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 225: #endif
1.9 fefe 226: #if 0
1.7 fefe 227: struct tm duh;
228: time_t t;
1.8 fefe 229: time(&t);
230: gmtime_r(&t,&duh);
231: printf("%s\n",asctime(&duh));
1.9 fefe 232: #endif
1.8 fefe 233: #if 0
1.7 fefe 234: char buf[30];
235: duh.tm_sec=42;
236: duh.tm_min=23;
237: duh.tm_hour=17;
238: duh.tm_mday=2;
239: duh.tm_mon=7;
240: duh.tm_year=100;
241: t=mktime(&duh);
242: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 243: #endif
1.2 fefe 244: #if 0
1.1 cvs 245: int i;
246: for (i=0; i<5; i++) {
247: fprintf(stdout,"first message\n");
248: fprintf(stdout,"second message\n");
249: fprintf(stdout,"third message\n");
250: printf("foo %d\n",i);
251: }
1.2 fefe 252: #endif
1.1 cvs 253: #if 0
254: char buf[1024];
255: sscanf("foo bar","%s",buf);
256: printf("%s\n",buf);
257: #endif
258: #if 0
259: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
260: perror("mount");
261: #endif
262: #if 0
263: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
264: int i=strtol(t+1,&t,10);
265: printf("%d %s\n",i,t);
266: #endif
267: #if 0
268: char **tmp;
269: putenv("FOO");
270: assert(1==2);
271: for (tmp=environ; *tmp; tmp++)
272: puts(*tmp);
273: #endif
274: #if 0
275: char buf[1024];
276: printf("%d\n",fprintf(stderr,"duh\n"));
277: #endif
278: #if 0
279: struct passwd *p=getpwuid(100);
280: puts(p->pw_name);
281: #endif
282: #if 0
283: int pid;
284: char name[32];
285: sscanf("1 (init","%d (%15c",&pid,name);
286: printf("pid %d name %s\n",pid,name);
287: #endif
288: #if 0
289: DIR *d=opendir("/proc");
290: if (d) {
291: struct dirent *D;
292: while (D=readdir(d))
293: puts(D->d_name);
294: closedir(d);
295: }
296: #endif
297: #if 0
298: char buf[1024];
299: int fd=open("/etc/passwd",0);
300: pread(fd,buf,30,32);
301: close(fd);
302: write(1,buf,32);
303: #endif
304: #if 0
305: char *argv[] = {"echo","foo",0};
306: char buf[100];
307: buf[5]='x';
308: sprintf(buf,"foo\n");
309: if (buf[5] == 'x')
310: exit(0);
311: else
312: exit(1);
313: execvp(argv[0],argv);
314: #endif
1.10 fefe 315: #if 0
1.1 cvs 316: struct stat64 f;
317: char buf[128];
318: fstat64(0,&f);
319: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
320: return 0;
321: #endif
322: #if 0
323: FILE *f=fopen("foo","w");
324: fputc('a',f);
325: fputc('b',f);
326: fputc('c',f);
327: #endif
328: /* fprintf(stdout,"foo\n"); */
329: }
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