Annotation of dietlibc/t.c, revision 1.59
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>
1.1 cvs 27:
1.17 fefe 28: #if 0
1.16 fefe 29: int compint(const void *a,const void *b) {
30: /* printf("comparing %d with %d\n",*(int*)a,*(int*)b); */
31: return (*(int*)a-*(int*)b);
32: }
33:
34: #define SIZE 100000
35: #define LOOKFOR ((SIZE/2)-2)
36:
37: int array[SIZE];
38:
39: #define rdtscl(low) \
40: __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
41:
42: static unsigned int seed=1;
43:
44: static int rand() {
45: return ((seed = seed * 1103515245 + 12345) % ((unsigned int)RAND_MAX + 1));
46: }
1.17 fefe 47: #endif
1.16 fefe 48:
1.24 fefe 49: extern double atof(const char *c);
50:
1.57 fefe 51:
1.12 fefe 52: int main(int argc,char *argv[]) {
1.59 ! fefe 53: #if 0
1.58 fefe 54: struct hostent * host;
55: struct in_addr i;
1.57 fefe 56:
1.58 fefe 57: host = gethostbyname("ftp.ciril.fr");
1.57 fefe 58:
1.58 fefe 59: if (!host)
60: printf("host null\n");
1.57 fefe 61:
1.58 fefe 62: if (host && host->h_name) {
63: printf("name %s\n", host->h_name);
64: }
65: if (host && (host->h_addr_list)[0]) {
66: struct in_addr address;
67: address = *((struct in_addr *) (host->h_addr_list)[0]);
68: printf("addr %s\n", inet_ntoa(address));
69: }
1.59 ! fefe 70: #endif
1.57 fefe 71: #if 0
1.56 fefe 72: struct msgbuf bla;
73: bla.mtype=0;
74: bla.mtext[0]='x';
75: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 76: #endif
1.55 fefe 77: #if 0
1.54 fefe 78: char buf[PATH_MAX];
79: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 80: #endif
1.56 fefe 81: #if 0
1.53 fefe 82: regex_t t;
1.55 fefe 83: regcomp(&t,"foo",0);
84: printf("%d\n",regexec(&t,"/* built-in 'exec' handler */",0,0,0));
1.56 fefe 85: #endif
1.53 fefe 86: #if 0
1.52 fefe 87: float my_float = 9.2334;
88: char buffer[100];
89:
90: sprintf(buffer, "%.2f", my_float);
91: fprintf(stdout, "%s", buffer);
1.53 fefe 92: #endif
1.52 fefe 93: #if 0
1.51 fefe 94: printf("%d\n",setenv("foo","bar",0));
95: printf("%d\n",setenv("foo","bar",1));
96: execlp("printenv","printenv","foo",0);
1.52 fefe 97: #endif
1.59 ! fefe 98: #if 1
! 99: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 100: if (!fnmatch("s*", "sub", 0))
101: printf("s* sub\n");
102: if (!fnmatch("s*", "glob", 0))
103: printf("s* glob\n");
104: if (!fnmatch("s*b", "sub", 0))
105: printf("s*b sub\n");
106: if (!fnmatch("s*h", "sub", 0))
107: printf("s*h sub\n");
1.51 fefe 108: #endif
1.49 fefe 109: #if 0
1.48 fefe 110: char*tmp;
111: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
112: write(1,tmp,n);
113: free(tmp);
1.49 fefe 114: #endif
1.41 fefe 115: #if 0
1.40 fefe 116: struct passwd *p=getpwnam("leitner");
1.41 fefe 117: struct spwd *s=getspnam("leitner");
1.39 fefe 118: printf("%g\n",30.0123);
1.41 fefe 119: #endif
1.43 fefe 120: #if 0
1.42 fefe 121: initgroups("root",100);
1.43 fefe 122: #endif
1.38 fefe 123: #if 0
1.37 fefe 124: time_t t=time(0);
125: puts(asctime(localtime(&t)));
1.38 fefe 126: #endif
1.37 fefe 127: #if 0
1.36 fefe 128: struct servent *foo=getservbyname("ident","tcp");
129: if (foo)
130: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 131: #endif
1.35 fefe 132: #if 0
1.33 fefe 133: char buf[128];
134: strcpy(buf,"/tmp/foo.XXXXXXX");
135: printf("%d\n",mkstemp(buf));
1.34 fefe 136: printf("%s\n",buf);
137: unlink(buf);
1.35 fefe 138: #endif
1.33 fefe 139: #if 0
1.32 fefe 140: char buf[512]="foo";
141: strncat(buf,"barbaz",3);
142: puts(buf);
1.33 fefe 143: #endif
1.32 fefe 144: #if 0
1.31 fefe 145: time_t oink=time(0);
146: struct tm *duh=localtime(&oink);
147: strftime(buf,512,"%A %B %Y\n",duh);
148: puts(buf);
1.32 fefe 149: #endif
1.31 fefe 150: #if 0
1.28 fefe 151: struct in_addr bar;
152: struct hostent *foo;
1.29 fefe 153: /* inet_aton("160.45.10.8",&bar); */
154: foo=gethostbyname("zeit.fu-berlin.de");
155: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 156: if (foo)
157: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 158: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 159: #endif
1.18 fefe 160: #if 0
1.17 fefe 161: double d=0.0;
162: long long t=0x12345678ABCDEF01;
163: d/=0.0;
164: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 165: #endif
1.17 fefe 166: #if 0
1.16 fefe 167: int i,j;
168: long a,b,c;
169: int *res;
170: printf("%p\n",malloc(0));
171: qsort(array,2,sizeof(int),compint);
172: for (i=0; i<SIZE; ++i)
173: array[i]=rand();
174: rdtscl(a);
175: qsort(array,SIZE,sizeof(int),compint);
176: rdtscl(b);
177: j=array[LOOKFOR];
178: res=bsearch(&j,array,SIZE,sizeof(int),compint);
179: rdtscl(c);
180: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
181: for (i=0; i<SIZE-1; ++i)
182: if (array[i]>array[i+1]) {
183: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
184: return 1;
185: }
186: if (*res!=j)
187: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
188: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 189: #endif
1.13 fefe 190: #if 0
1.12 fefe 191: struct in_addr duh;
192: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
193: printf("%x\n",duh.s_addr);
1.13 fefe 194: #endif
1.12 fefe 195: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 196: #if 0
1.10 fefe 197: char buf[100];
198: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
199: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 200: #endif
1.9 fefe 201: #if 0
1.7 fefe 202: struct tm duh;
203: time_t t;
1.8 fefe 204: time(&t);
205: gmtime_r(&t,&duh);
206: printf("%s\n",asctime(&duh));
1.9 fefe 207: #endif
1.8 fefe 208: #if 0
1.7 fefe 209: char buf[30];
210: duh.tm_sec=42;
211: duh.tm_min=23;
212: duh.tm_hour=17;
213: duh.tm_mday=2;
214: duh.tm_mon=7;
215: duh.tm_year=100;
216: t=mktime(&duh);
217: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 218: #endif
1.2 fefe 219: #if 0
1.1 cvs 220: int i;
221: for (i=0; i<5; i++) {
222: fprintf(stdout,"first message\n");
223: fprintf(stdout,"second message\n");
224: fprintf(stdout,"third message\n");
225: printf("foo %d\n",i);
226: }
1.2 fefe 227: #endif
1.1 cvs 228: #if 0
229: char buf[1024];
230: sscanf("foo bar","%s",buf);
231: printf("%s\n",buf);
232: #endif
233: #if 0
234: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
235: perror("mount");
236: #endif
237: #if 0
238: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
239: int i=strtol(t+1,&t,10);
240: printf("%d %s\n",i,t);
241: #endif
242: #if 0
243: char **tmp;
244: putenv("FOO");
245: assert(1==2);
246: for (tmp=environ; *tmp; tmp++)
247: puts(*tmp);
248: #endif
249: #if 0
250: char buf[1024];
251: printf("%d\n",fprintf(stderr,"duh\n"));
252: #endif
253: #if 0
254: struct passwd *p=getpwuid(100);
255: puts(p->pw_name);
256: #endif
257: #if 0
258: int pid;
259: char name[32];
260: sscanf("1 (init","%d (%15c",&pid,name);
261: printf("pid %d name %s\n",pid,name);
262: #endif
263: #if 0
264: DIR *d=opendir("/proc");
265: if (d) {
266: struct dirent *D;
267: while (D=readdir(d))
268: puts(D->d_name);
269: closedir(d);
270: }
271: #endif
272: #if 0
273: char buf[1024];
274: int fd=open("/etc/passwd",0);
275: pread(fd,buf,30,32);
276: close(fd);
277: write(1,buf,32);
278: #endif
279: #if 0
280: char *argv[] = {"echo","foo",0};
281: char buf[100];
282: buf[5]='x';
283: sprintf(buf,"foo\n");
284: if (buf[5] == 'x')
285: exit(0);
286: else
287: exit(1);
288: execvp(argv[0],argv);
289: #endif
1.10 fefe 290: #if 0
1.1 cvs 291: struct stat64 f;
292: char buf[128];
293: fstat64(0,&f);
294: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
295: return 0;
296: #endif
297: #if 0
298: FILE *f=fopen("foo","w");
299: fputc('a',f);
300: fputc('b',f);
301: fputc('c',f);
302: #endif
303: /* fprintf(stdout,"foo\n"); */
304: }
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