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