Annotation of dietlibc/t.c, revision 1.67
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>
1.1 cvs 28:
1.17 fefe 29: #if 0
1.16 fefe 30: int compint(const void *a,const void *b) {
31: /* printf("comparing %d with %d\n",*(int*)a,*(int*)b); */
32: return (*(int*)a-*(int*)b);
33: }
34:
35: #define SIZE 100000
36: #define LOOKFOR ((SIZE/2)-2)
37:
38: int array[SIZE];
39:
40: #define rdtscl(low) \
41: __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
42:
43: static unsigned int seed=1;
44:
45: static int rand() {
46: return ((seed = seed * 1103515245 + 12345) % ((unsigned int)RAND_MAX + 1));
47: }
1.17 fefe 48: #endif
1.16 fefe 49:
1.24 fefe 50: extern double atof(const char *c);
51:
1.66 fefe 52: int compar(const void*a,const void*b) {
53: return *(char*)a - *(char*)b;
54: }
1.57 fefe 55:
1.12 fefe 56: int main(int argc,char *argv[]) {
1.67 ! fefe 57: char foo[10]="none,zlib";
! 58: char *tmp,*tmp2=foo;
! 59: while (tmp=strsep(&tmp2,",")) {
! 60: puts(tmp);
! 61: }
1.65 fefe 62: #if 0
1.61 fefe 63: char foo[10];
1.64 fefe 64: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 65: strcpy(foo,"foo");
66: strncat(foo,"barbaz",3);
67: foo[6]=0;
68: puts(foo);
1.65 fefe 69: #endif
1.59 fefe 70: #if 0
1.58 fefe 71: struct hostent * host;
72: struct in_addr i;
1.57 fefe 73:
1.58 fefe 74: host = gethostbyname("ftp.ciril.fr");
1.57 fefe 75:
1.58 fefe 76: if (!host)
77: printf("host null\n");
1.57 fefe 78:
1.58 fefe 79: if (host && host->h_name) {
80: printf("name %s\n", host->h_name);
81: }
82: if (host && (host->h_addr_list)[0]) {
83: struct in_addr address;
84: address = *((struct in_addr *) (host->h_addr_list)[0]);
85: printf("addr %s\n", inet_ntoa(address));
86: }
1.59 fefe 87: #endif
1.57 fefe 88: #if 0
1.56 fefe 89: struct msgbuf bla;
90: bla.mtype=0;
91: bla.mtext[0]='x';
92: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 93: #endif
1.55 fefe 94: #if 0
1.54 fefe 95: char buf[PATH_MAX];
96: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 97: #endif
1.66 fefe 98: #if 0
1.53 fefe 99: regex_t t;
1.65 fefe 100: regcomp(&t,"^OpenSSH[-_]2\\.[012]",5);
101: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 102: #endif
1.53 fefe 103: #if 0
1.52 fefe 104: float my_float = 9.2334;
105: char buffer[100];
106:
107: sprintf(buffer, "%.2f", my_float);
108: fprintf(stdout, "%s", buffer);
1.53 fefe 109: #endif
1.52 fefe 110: #if 0
1.51 fefe 111: printf("%d\n",setenv("foo","bar",0));
112: printf("%d\n",setenv("foo","bar",1));
113: execlp("printenv","printenv","foo",0);
1.52 fefe 114: #endif
1.60 fefe 115: #if 0
1.59 fefe 116: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 117: if (!fnmatch("s*", "sub", 0))
118: printf("s* sub\n");
119: if (!fnmatch("s*", "glob", 0))
120: printf("s* glob\n");
121: if (!fnmatch("s*b", "sub", 0))
122: printf("s*b sub\n");
123: if (!fnmatch("s*h", "sub", 0))
124: printf("s*h sub\n");
1.51 fefe 125: #endif
1.49 fefe 126: #if 0
1.48 fefe 127: char*tmp;
128: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
129: write(1,tmp,n);
130: free(tmp);
1.49 fefe 131: #endif
1.41 fefe 132: #if 0
1.40 fefe 133: struct passwd *p=getpwnam("leitner");
1.41 fefe 134: struct spwd *s=getspnam("leitner");
1.39 fefe 135: printf("%g\n",30.0123);
1.41 fefe 136: #endif
1.43 fefe 137: #if 0
1.42 fefe 138: initgroups("root",100);
1.43 fefe 139: #endif
1.38 fefe 140: #if 0
1.37 fefe 141: time_t t=time(0);
142: puts(asctime(localtime(&t)));
1.38 fefe 143: #endif
1.37 fefe 144: #if 0
1.36 fefe 145: struct servent *foo=getservbyname("ident","tcp");
146: if (foo)
147: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 148: #endif
1.35 fefe 149: #if 0
1.33 fefe 150: char buf[128];
151: strcpy(buf,"/tmp/foo.XXXXXXX");
152: printf("%d\n",mkstemp(buf));
1.34 fefe 153: printf("%s\n",buf);
154: unlink(buf);
1.35 fefe 155: #endif
1.33 fefe 156: #if 0
1.32 fefe 157: char buf[512]="foo";
158: strncat(buf,"barbaz",3);
159: puts(buf);
1.33 fefe 160: #endif
1.32 fefe 161: #if 0
1.31 fefe 162: time_t oink=time(0);
163: struct tm *duh=localtime(&oink);
164: strftime(buf,512,"%A %B %Y\n",duh);
165: puts(buf);
1.32 fefe 166: #endif
1.31 fefe 167: #if 0
1.28 fefe 168: struct in_addr bar;
169: struct hostent *foo;
1.29 fefe 170: /* inet_aton("160.45.10.8",&bar); */
171: foo=gethostbyname("zeit.fu-berlin.de");
172: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 173: if (foo)
174: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 175: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 176: #endif
1.18 fefe 177: #if 0
1.17 fefe 178: double d=0.0;
179: long long t=0x12345678ABCDEF01;
180: d/=0.0;
181: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 182: #endif
1.17 fefe 183: #if 0
1.16 fefe 184: int i,j;
185: long a,b,c;
186: int *res;
187: printf("%p\n",malloc(0));
188: qsort(array,2,sizeof(int),compint);
189: for (i=0; i<SIZE; ++i)
190: array[i]=rand();
191: rdtscl(a);
192: qsort(array,SIZE,sizeof(int),compint);
193: rdtscl(b);
194: j=array[LOOKFOR];
195: res=bsearch(&j,array,SIZE,sizeof(int),compint);
196: rdtscl(c);
197: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
198: for (i=0; i<SIZE-1; ++i)
199: if (array[i]>array[i+1]) {
200: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
201: return 1;
202: }
203: if (*res!=j)
204: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
205: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 206: #endif
1.13 fefe 207: #if 0
1.12 fefe 208: struct in_addr duh;
209: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
210: printf("%x\n",duh.s_addr);
1.13 fefe 211: #endif
1.12 fefe 212: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 213: #if 0
1.10 fefe 214: char buf[100];
215: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
216: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 217: #endif
1.9 fefe 218: #if 0
1.7 fefe 219: struct tm duh;
220: time_t t;
1.8 fefe 221: time(&t);
222: gmtime_r(&t,&duh);
223: printf("%s\n",asctime(&duh));
1.9 fefe 224: #endif
1.8 fefe 225: #if 0
1.7 fefe 226: char buf[30];
227: duh.tm_sec=42;
228: duh.tm_min=23;
229: duh.tm_hour=17;
230: duh.tm_mday=2;
231: duh.tm_mon=7;
232: duh.tm_year=100;
233: t=mktime(&duh);
234: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 235: #endif
1.2 fefe 236: #if 0
1.1 cvs 237: int i;
238: for (i=0; i<5; i++) {
239: fprintf(stdout,"first message\n");
240: fprintf(stdout,"second message\n");
241: fprintf(stdout,"third message\n");
242: printf("foo %d\n",i);
243: }
1.2 fefe 244: #endif
1.1 cvs 245: #if 0
246: char buf[1024];
247: sscanf("foo bar","%s",buf);
248: printf("%s\n",buf);
249: #endif
250: #if 0
251: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
252: perror("mount");
253: #endif
254: #if 0
255: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
256: int i=strtol(t+1,&t,10);
257: printf("%d %s\n",i,t);
258: #endif
259: #if 0
260: char **tmp;
261: putenv("FOO");
262: assert(1==2);
263: for (tmp=environ; *tmp; tmp++)
264: puts(*tmp);
265: #endif
266: #if 0
267: char buf[1024];
268: printf("%d\n",fprintf(stderr,"duh\n"));
269: #endif
270: #if 0
271: struct passwd *p=getpwuid(100);
272: puts(p->pw_name);
273: #endif
274: #if 0
275: int pid;
276: char name[32];
277: sscanf("1 (init","%d (%15c",&pid,name);
278: printf("pid %d name %s\n",pid,name);
279: #endif
280: #if 0
281: DIR *d=opendir("/proc");
282: if (d) {
283: struct dirent *D;
284: while (D=readdir(d))
285: puts(D->d_name);
286: closedir(d);
287: }
288: #endif
289: #if 0
290: char buf[1024];
291: int fd=open("/etc/passwd",0);
292: pread(fd,buf,30,32);
293: close(fd);
294: write(1,buf,32);
295: #endif
296: #if 0
297: char *argv[] = {"echo","foo",0};
298: char buf[100];
299: buf[5]='x';
300: sprintf(buf,"foo\n");
301: if (buf[5] == 'x')
302: exit(0);
303: else
304: exit(1);
305: execvp(argv[0],argv);
306: #endif
1.10 fefe 307: #if 0
1.1 cvs 308: struct stat64 f;
309: char buf[128];
310: fstat64(0,&f);
311: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
312: return 0;
313: #endif
314: #if 0
315: FILE *f=fopen("foo","w");
316: fputc('a',f);
317: fputc('b',f);
318: fputc('c',f);
319: #endif
320: /* fprintf(stdout,"foo\n"); */
321: }
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