Annotation of dietlibc/t.c, revision 1.60
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[]) {
1.60 ! fefe 53: printf("%d\n",clock());
! 54: sleep(1);
! 55: printf("%d\n",clock());
1.59 fefe 56: #if 0
1.58 fefe 57: struct hostent * host;
58: struct in_addr i;
1.57 fefe 59:
1.58 fefe 60: host = gethostbyname("ftp.ciril.fr");
1.57 fefe 61:
1.58 fefe 62: if (!host)
63: printf("host null\n");
1.57 fefe 64:
1.58 fefe 65: if (host && host->h_name) {
66: printf("name %s\n", host->h_name);
67: }
68: if (host && (host->h_addr_list)[0]) {
69: struct in_addr address;
70: address = *((struct in_addr *) (host->h_addr_list)[0]);
71: printf("addr %s\n", inet_ntoa(address));
72: }
1.59 fefe 73: #endif
1.57 fefe 74: #if 0
1.56 fefe 75: struct msgbuf bla;
76: bla.mtype=0;
77: bla.mtext[0]='x';
78: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 79: #endif
1.55 fefe 80: #if 0
1.54 fefe 81: char buf[PATH_MAX];
82: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 83: #endif
1.56 fefe 84: #if 0
1.53 fefe 85: regex_t t;
1.55 fefe 86: regcomp(&t,"foo",0);
87: printf("%d\n",regexec(&t,"/* built-in 'exec' handler */",0,0,0));
1.56 fefe 88: #endif
1.53 fefe 89: #if 0
1.52 fefe 90: float my_float = 9.2334;
91: char buffer[100];
92:
93: sprintf(buffer, "%.2f", my_float);
94: fprintf(stdout, "%s", buffer);
1.53 fefe 95: #endif
1.52 fefe 96: #if 0
1.51 fefe 97: printf("%d\n",setenv("foo","bar",0));
98: printf("%d\n",setenv("foo","bar",1));
99: execlp("printenv","printenv","foo",0);
1.52 fefe 100: #endif
1.60 ! fefe 101: #if 0
1.59 fefe 102: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 103: if (!fnmatch("s*", "sub", 0))
104: printf("s* sub\n");
105: if (!fnmatch("s*", "glob", 0))
106: printf("s* glob\n");
107: if (!fnmatch("s*b", "sub", 0))
108: printf("s*b sub\n");
109: if (!fnmatch("s*h", "sub", 0))
110: printf("s*h sub\n");
1.51 fefe 111: #endif
1.49 fefe 112: #if 0
1.48 fefe 113: char*tmp;
114: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
115: write(1,tmp,n);
116: free(tmp);
1.49 fefe 117: #endif
1.41 fefe 118: #if 0
1.40 fefe 119: struct passwd *p=getpwnam("leitner");
1.41 fefe 120: struct spwd *s=getspnam("leitner");
1.39 fefe 121: printf("%g\n",30.0123);
1.41 fefe 122: #endif
1.43 fefe 123: #if 0
1.42 fefe 124: initgroups("root",100);
1.43 fefe 125: #endif
1.38 fefe 126: #if 0
1.37 fefe 127: time_t t=time(0);
128: puts(asctime(localtime(&t)));
1.38 fefe 129: #endif
1.37 fefe 130: #if 0
1.36 fefe 131: struct servent *foo=getservbyname("ident","tcp");
132: if (foo)
133: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 134: #endif
1.35 fefe 135: #if 0
1.33 fefe 136: char buf[128];
137: strcpy(buf,"/tmp/foo.XXXXXXX");
138: printf("%d\n",mkstemp(buf));
1.34 fefe 139: printf("%s\n",buf);
140: unlink(buf);
1.35 fefe 141: #endif
1.33 fefe 142: #if 0
1.32 fefe 143: char buf[512]="foo";
144: strncat(buf,"barbaz",3);
145: puts(buf);
1.33 fefe 146: #endif
1.32 fefe 147: #if 0
1.31 fefe 148: time_t oink=time(0);
149: struct tm *duh=localtime(&oink);
150: strftime(buf,512,"%A %B %Y\n",duh);
151: puts(buf);
1.32 fefe 152: #endif
1.31 fefe 153: #if 0
1.28 fefe 154: struct in_addr bar;
155: struct hostent *foo;
1.29 fefe 156: /* inet_aton("160.45.10.8",&bar); */
157: foo=gethostbyname("zeit.fu-berlin.de");
158: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 159: if (foo)
160: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 161: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 162: #endif
1.18 fefe 163: #if 0
1.17 fefe 164: double d=0.0;
165: long long t=0x12345678ABCDEF01;
166: d/=0.0;
167: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 168: #endif
1.17 fefe 169: #if 0
1.16 fefe 170: int i,j;
171: long a,b,c;
172: int *res;
173: printf("%p\n",malloc(0));
174: qsort(array,2,sizeof(int),compint);
175: for (i=0; i<SIZE; ++i)
176: array[i]=rand();
177: rdtscl(a);
178: qsort(array,SIZE,sizeof(int),compint);
179: rdtscl(b);
180: j=array[LOOKFOR];
181: res=bsearch(&j,array,SIZE,sizeof(int),compint);
182: rdtscl(c);
183: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
184: for (i=0; i<SIZE-1; ++i)
185: if (array[i]>array[i+1]) {
186: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
187: return 1;
188: }
189: if (*res!=j)
190: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
191: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 192: #endif
1.13 fefe 193: #if 0
1.12 fefe 194: struct in_addr duh;
195: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
196: printf("%x\n",duh.s_addr);
1.13 fefe 197: #endif
1.12 fefe 198: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 199: #if 0
1.10 fefe 200: char buf[100];
201: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
202: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 203: #endif
1.9 fefe 204: #if 0
1.7 fefe 205: struct tm duh;
206: time_t t;
1.8 fefe 207: time(&t);
208: gmtime_r(&t,&duh);
209: printf("%s\n",asctime(&duh));
1.9 fefe 210: #endif
1.8 fefe 211: #if 0
1.7 fefe 212: char buf[30];
213: duh.tm_sec=42;
214: duh.tm_min=23;
215: duh.tm_hour=17;
216: duh.tm_mday=2;
217: duh.tm_mon=7;
218: duh.tm_year=100;
219: t=mktime(&duh);
220: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 221: #endif
1.2 fefe 222: #if 0
1.1 cvs 223: int i;
224: for (i=0; i<5; i++) {
225: fprintf(stdout,"first message\n");
226: fprintf(stdout,"second message\n");
227: fprintf(stdout,"third message\n");
228: printf("foo %d\n",i);
229: }
1.2 fefe 230: #endif
1.1 cvs 231: #if 0
232: char buf[1024];
233: sscanf("foo bar","%s",buf);
234: printf("%s\n",buf);
235: #endif
236: #if 0
237: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
238: perror("mount");
239: #endif
240: #if 0
241: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
242: int i=strtol(t+1,&t,10);
243: printf("%d %s\n",i,t);
244: #endif
245: #if 0
246: char **tmp;
247: putenv("FOO");
248: assert(1==2);
249: for (tmp=environ; *tmp; tmp++)
250: puts(*tmp);
251: #endif
252: #if 0
253: char buf[1024];
254: printf("%d\n",fprintf(stderr,"duh\n"));
255: #endif
256: #if 0
257: struct passwd *p=getpwuid(100);
258: puts(p->pw_name);
259: #endif
260: #if 0
261: int pid;
262: char name[32];
263: sscanf("1 (init","%d (%15c",&pid,name);
264: printf("pid %d name %s\n",pid,name);
265: #endif
266: #if 0
267: DIR *d=opendir("/proc");
268: if (d) {
269: struct dirent *D;
270: while (D=readdir(d))
271: puts(D->d_name);
272: closedir(d);
273: }
274: #endif
275: #if 0
276: char buf[1024];
277: int fd=open("/etc/passwd",0);
278: pread(fd,buf,30,32);
279: close(fd);
280: write(1,buf,32);
281: #endif
282: #if 0
283: char *argv[] = {"echo","foo",0};
284: char buf[100];
285: buf[5]='x';
286: sprintf(buf,"foo\n");
287: if (buf[5] == 'x')
288: exit(0);
289: else
290: exit(1);
291: execvp(argv[0],argv);
292: #endif
1.10 fefe 293: #if 0
1.1 cvs 294: struct stat64 f;
295: char buf[128];
296: fstat64(0,&f);
297: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
298: return 0;
299: #endif
300: #if 0
301: FILE *f=fopen("foo","w");
302: fputc('a',f);
303: fputc('b',f);
304: fputc('c',f);
305: #endif
306: /* fprintf(stdout,"foo\n"); */
307: }
LinuxTV legacy CVS <linuxtv.org/cvs>
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to t.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [DVB] / dietlibc