Annotation of dietlibc/t.c, revision 1.77
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[]) {
1.77 ! fefe 34: printf("%p\n",mmap(0,23,PROT_READ,MAP_PRIVATE,0,0));
! 35: #if 0
1.76 fefe 36: struct addrinfo *ai;
37: printf("%d\n",getaddrinfo("knuth.fefe.de","ssh",0,&ai));
38: while (ai) {
39: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
40: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
41: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
42: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
43: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
44: ai=ai->ai_next;
45: }
1.77 ! fefe 46: #endif
1.76 fefe 47: #if 0
1.71 fefe 48: int i=foo;
1.75 fefe 49: printf("load average is %3.2f\n",0.0);
1.76 fefe 50: #endif
1.70 fefe 51: #if 0
1.69 fefe 52: struct dirent **namelist;
53: int n;
1.16 fefe 54:
1.69 fefe 55: n = scandir(".", &namelist, 0, alphasort);
56: if (n < 0)
57: perror("scandir");
58: else {
59: while(n--) {
60: printf("%s\n", namelist[n]->d_name);
61: free(namelist[n]);
62: }
63: free(namelist);
64: }
1.70 fefe 65: #endif
1.68 fefe 66: #if 0
1.67 fefe 67: char foo[10]="none,zlib";
68: char *tmp,*tmp2=foo;
69: while (tmp=strsep(&tmp2,",")) {
70: puts(tmp);
71: }
1.68 fefe 72: #endif
1.65 fefe 73: #if 0
1.61 fefe 74: char foo[10];
1.64 fefe 75: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 76: strcpy(foo,"foo");
77: strncat(foo,"barbaz",3);
78: foo[6]=0;
79: puts(foo);
1.65 fefe 80: #endif
1.59 fefe 81: #if 0
1.58 fefe 82: struct hostent * host;
83: struct in_addr i;
1.57 fefe 84:
1.58 fefe 85: host = gethostbyname("ftp.ciril.fr");
1.57 fefe 86:
1.58 fefe 87: if (!host)
88: printf("host null\n");
1.57 fefe 89:
1.58 fefe 90: if (host && host->h_name) {
91: printf("name %s\n", host->h_name);
92: }
93: if (host && (host->h_addr_list)[0]) {
94: struct in_addr address;
95: address = *((struct in_addr *) (host->h_addr_list)[0]);
96: printf("addr %s\n", inet_ntoa(address));
97: }
1.59 fefe 98: #endif
1.57 fefe 99: #if 0
1.56 fefe 100: struct msgbuf bla;
101: bla.mtype=0;
102: bla.mtext[0]='x';
103: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 104: #endif
1.55 fefe 105: #if 0
1.54 fefe 106: char buf[PATH_MAX];
107: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 108: #endif
1.73 fefe 109: #if 0
1.53 fefe 110: regex_t t;
1.68 fefe 111: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 112: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 113: #endif
1.53 fefe 114: #if 0
1.52 fefe 115: float my_float = 9.2334;
116: char buffer[100];
117:
118: sprintf(buffer, "%.2f", my_float);
119: fprintf(stdout, "%s", buffer);
1.53 fefe 120: #endif
1.52 fefe 121: #if 0
1.51 fefe 122: printf("%d\n",setenv("foo","bar",0));
123: printf("%d\n",setenv("foo","bar",1));
124: execlp("printenv","printenv","foo",0);
1.52 fefe 125: #endif
1.60 fefe 126: #if 0
1.59 fefe 127: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 128: if (!fnmatch("s*", "sub", 0))
129: printf("s* sub\n");
130: if (!fnmatch("s*", "glob", 0))
131: printf("s* glob\n");
132: if (!fnmatch("s*b", "sub", 0))
133: printf("s*b sub\n");
134: if (!fnmatch("s*h", "sub", 0))
135: printf("s*h sub\n");
1.51 fefe 136: #endif
1.49 fefe 137: #if 0
1.48 fefe 138: char*tmp;
139: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
140: write(1,tmp,n);
141: free(tmp);
1.49 fefe 142: #endif
1.41 fefe 143: #if 0
1.40 fefe 144: struct passwd *p=getpwnam("leitner");
1.41 fefe 145: struct spwd *s=getspnam("leitner");
1.39 fefe 146: printf("%g\n",30.0123);
1.41 fefe 147: #endif
1.43 fefe 148: #if 0
1.42 fefe 149: initgroups("root",100);
1.43 fefe 150: #endif
1.38 fefe 151: #if 0
1.37 fefe 152: time_t t=time(0);
153: puts(asctime(localtime(&t)));
1.38 fefe 154: #endif
1.37 fefe 155: #if 0
1.36 fefe 156: struct servent *foo=getservbyname("ident","tcp");
157: if (foo)
158: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 159: #endif
1.35 fefe 160: #if 0
1.33 fefe 161: char buf[128];
162: strcpy(buf,"/tmp/foo.XXXXXXX");
163: printf("%d\n",mkstemp(buf));
1.34 fefe 164: printf("%s\n",buf);
165: unlink(buf);
1.35 fefe 166: #endif
1.33 fefe 167: #if 0
1.32 fefe 168: char buf[512]="foo";
169: strncat(buf,"barbaz",3);
170: puts(buf);
1.33 fefe 171: #endif
1.32 fefe 172: #if 0
1.31 fefe 173: time_t oink=time(0);
174: struct tm *duh=localtime(&oink);
175: strftime(buf,512,"%A %B %Y\n",duh);
176: puts(buf);
1.32 fefe 177: #endif
1.31 fefe 178: #if 0
1.28 fefe 179: struct in_addr bar;
180: struct hostent *foo;
1.29 fefe 181: /* inet_aton("160.45.10.8",&bar); */
182: foo=gethostbyname("zeit.fu-berlin.de");
183: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 184: if (foo)
185: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 186: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 187: #endif
1.18 fefe 188: #if 0
1.17 fefe 189: double d=0.0;
190: long long t=0x12345678ABCDEF01;
191: d/=0.0;
192: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 193: #endif
1.17 fefe 194: #if 0
1.16 fefe 195: int i,j;
196: long a,b,c;
197: int *res;
198: printf("%p\n",malloc(0));
199: qsort(array,2,sizeof(int),compint);
200: for (i=0; i<SIZE; ++i)
201: array[i]=rand();
202: rdtscl(a);
203: qsort(array,SIZE,sizeof(int),compint);
204: rdtscl(b);
205: j=array[LOOKFOR];
206: res=bsearch(&j,array,SIZE,sizeof(int),compint);
207: rdtscl(c);
208: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
209: for (i=0; i<SIZE-1; ++i)
210: if (array[i]>array[i+1]) {
211: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
212: return 1;
213: }
214: if (*res!=j)
215: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
216: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 217: #endif
1.13 fefe 218: #if 0
1.12 fefe 219: struct in_addr duh;
220: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
221: printf("%x\n",duh.s_addr);
1.13 fefe 222: #endif
1.12 fefe 223: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 224: #if 0
1.10 fefe 225: char buf[100];
226: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
227: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 228: #endif
1.9 fefe 229: #if 0
1.7 fefe 230: struct tm duh;
231: time_t t;
1.8 fefe 232: time(&t);
233: gmtime_r(&t,&duh);
234: printf("%s\n",asctime(&duh));
1.9 fefe 235: #endif
1.8 fefe 236: #if 0
1.7 fefe 237: char buf[30];
238: duh.tm_sec=42;
239: duh.tm_min=23;
240: duh.tm_hour=17;
241: duh.tm_mday=2;
242: duh.tm_mon=7;
243: duh.tm_year=100;
244: t=mktime(&duh);
245: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 246: #endif
1.2 fefe 247: #if 0
1.1 cvs 248: int i;
249: for (i=0; i<5; i++) {
250: fprintf(stdout,"first message\n");
251: fprintf(stdout,"second message\n");
252: fprintf(stdout,"third message\n");
253: printf("foo %d\n",i);
254: }
1.2 fefe 255: #endif
1.1 cvs 256: #if 0
257: char buf[1024];
258: sscanf("foo bar","%s",buf);
259: printf("%s\n",buf);
260: #endif
261: #if 0
262: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
263: perror("mount");
264: #endif
265: #if 0
266: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
267: int i=strtol(t+1,&t,10);
268: printf("%d %s\n",i,t);
269: #endif
270: #if 0
271: char **tmp;
272: putenv("FOO");
273: assert(1==2);
274: for (tmp=environ; *tmp; tmp++)
275: puts(*tmp);
276: #endif
277: #if 0
278: char buf[1024];
279: printf("%d\n",fprintf(stderr,"duh\n"));
280: #endif
281: #if 0
282: struct passwd *p=getpwuid(100);
283: puts(p->pw_name);
284: #endif
285: #if 0
286: int pid;
287: char name[32];
288: sscanf("1 (init","%d (%15c",&pid,name);
289: printf("pid %d name %s\n",pid,name);
290: #endif
291: #if 0
292: DIR *d=opendir("/proc");
293: if (d) {
294: struct dirent *D;
295: while (D=readdir(d))
296: puts(D->d_name);
297: closedir(d);
298: }
299: #endif
300: #if 0
301: char buf[1024];
302: int fd=open("/etc/passwd",0);
303: pread(fd,buf,30,32);
304: close(fd);
305: write(1,buf,32);
306: #endif
307: #if 0
308: char *argv[] = {"echo","foo",0};
309: char buf[100];
310: buf[5]='x';
311: sprintf(buf,"foo\n");
312: if (buf[5] == 'x')
313: exit(0);
314: else
315: exit(1);
316: execvp(argv[0],argv);
317: #endif
1.10 fefe 318: #if 0
1.1 cvs 319: struct stat64 f;
320: char buf[128];
321: fstat64(0,&f);
322: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
323: return 0;
324: #endif
325: #if 0
326: FILE *f=fopen("foo","w");
327: fputc('a',f);
328: fputc('b',f);
329: fputc('c',f);
330: #endif
331: /* fprintf(stdout,"foo\n"); */
332: }
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