Annotation of dietlibc/t.c, revision 1.54
1.47 fefe 1: #define _FILE_OFFSET_BITS 64
1.1 cvs 2: #include <unistd.h>
3: #include <endian.h>
4: #include <stdlib.h>
5: #include <dirent.h>
6: #include <pwd.h>
1.40 fefe 7: #include <shadow.h>
1.1 cvs 8: #include <stdio.h>
9: #include <assert.h>
10: #include <sys/mount.h>
1.7 fefe 11: #include <time.h>
1.9 fefe 12: #include <sys/stat.h>
1.10 fefe 13: #include <stdio.h>
1.12 fefe 14: #include <arpa/inet.h>
1.13 fefe 15: #include <sys/sem.h>
1.14 fefe 16: #include <sys/shm.h>
1.17 fefe 17: #include <math.h>
1.20 fefe 18: #include <termios.h>
1.22 fefe 19: #include <netdb.h>
1.38 fefe 20: #include <sys/mman.h>
1.45 fefe 21: #include <ctype.h>
1.49 fefe 22: #include <mntent.h>
1.53 fefe 23: #include <regex.h>
1.1 cvs 24:
1.17 fefe 25: #if 0
1.16 fefe 26: int compint(const void *a,const void *b) {
27: /* printf("comparing %d with %d\n",*(int*)a,*(int*)b); */
28: return (*(int*)a-*(int*)b);
29: }
30:
31: #define SIZE 100000
32: #define LOOKFOR ((SIZE/2)-2)
33:
34: int array[SIZE];
35:
36: #define rdtscl(low) \
37: __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
38:
39: static unsigned int seed=1;
40:
41: static int rand() {
42: return ((seed = seed * 1103515245 + 12345) % ((unsigned int)RAND_MAX + 1));
43: }
1.17 fefe 44: #endif
1.16 fefe 45:
1.24 fefe 46: extern double atof(const char *c);
47:
1.12 fefe 48: int main(int argc,char *argv[]) {
1.54 ! fefe 49: char buf[PATH_MAX];
! 50: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
! 51: #if 0
1.53 fefe 52: regex_t t;
53: regcomp(&t,"\\<foobAr",0);
54: printf("%d\n",regexec(&t," fooBarbaz",0,0,0));
1.54 ! fefe 55: #endif
1.53 fefe 56: #if 0
1.52 fefe 57: float my_float = 9.2334;
58: char buffer[100];
59:
60: sprintf(buffer, "%.2f", my_float);
61: fprintf(stdout, "%s", buffer);
1.53 fefe 62: #endif
1.52 fefe 63: #if 0
1.51 fefe 64: printf("%d\n",setenv("foo","bar",0));
65: printf("%d\n",setenv("foo","bar",1));
66: execlp("printenv","printenv","foo",0);
1.52 fefe 67: #endif
1.51 fefe 68: #if 0
1.50 fefe 69: if (!fnmatch("s*", "sub", 0))
70: printf("s* sub\n");
71: if (!fnmatch("s*", "glob", 0))
72: printf("s* glob\n");
73: if (!fnmatch("s*b", "sub", 0))
74: printf("s*b sub\n");
75: if (!fnmatch("s*h", "sub", 0))
76: printf("s*h sub\n");
1.51 fefe 77: #endif
1.49 fefe 78: #if 0
1.48 fefe 79: char*tmp;
80: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
81: write(1,tmp,n);
82: free(tmp);
1.49 fefe 83: #endif
1.41 fefe 84: #if 0
1.40 fefe 85: struct passwd *p=getpwnam("leitner");
1.41 fefe 86: struct spwd *s=getspnam("leitner");
1.39 fefe 87: printf("%g\n",30.0123);
1.41 fefe 88: #endif
1.43 fefe 89: #if 0
1.42 fefe 90: initgroups("root",100);
1.43 fefe 91: #endif
1.38 fefe 92: #if 0
1.37 fefe 93: time_t t=time(0);
94: puts(asctime(localtime(&t)));
1.38 fefe 95: #endif
1.37 fefe 96: #if 0
1.36 fefe 97: struct servent *foo=getservbyname("ident","tcp");
98: if (foo)
99: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 100: #endif
1.35 fefe 101: #if 0
1.33 fefe 102: char buf[128];
103: strcpy(buf,"/tmp/foo.XXXXXXX");
104: printf("%d\n",mkstemp(buf));
1.34 fefe 105: printf("%s\n",buf);
106: unlink(buf);
1.35 fefe 107: #endif
1.33 fefe 108: #if 0
1.32 fefe 109: char buf[512]="foo";
110: strncat(buf,"barbaz",3);
111: puts(buf);
1.33 fefe 112: #endif
1.32 fefe 113: #if 0
1.31 fefe 114: time_t oink=time(0);
115: struct tm *duh=localtime(&oink);
116: strftime(buf,512,"%A %B %Y\n",duh);
117: puts(buf);
1.32 fefe 118: #endif
1.31 fefe 119: #if 0
1.28 fefe 120: struct in_addr bar;
121: struct hostent *foo;
1.29 fefe 122: /* inet_aton("160.45.10.8",&bar); */
123: foo=gethostbyname("zeit.fu-berlin.de");
124: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 125: if (foo)
126: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 127: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 128: #endif
1.18 fefe 129: #if 0
1.17 fefe 130: double d=0.0;
131: long long t=0x12345678ABCDEF01;
132: d/=0.0;
133: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 134: #endif
1.17 fefe 135: #if 0
1.16 fefe 136: int i,j;
137: long a,b,c;
138: int *res;
139: printf("%p\n",malloc(0));
140: qsort(array,2,sizeof(int),compint);
141: for (i=0; i<SIZE; ++i)
142: array[i]=rand();
143: rdtscl(a);
144: qsort(array,SIZE,sizeof(int),compint);
145: rdtscl(b);
146: j=array[LOOKFOR];
147: res=bsearch(&j,array,SIZE,sizeof(int),compint);
148: rdtscl(c);
149: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
150: for (i=0; i<SIZE-1; ++i)
151: if (array[i]>array[i+1]) {
152: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
153: return 1;
154: }
155: if (*res!=j)
156: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
157: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 158: #endif
1.13 fefe 159: #if 0
1.12 fefe 160: struct in_addr duh;
161: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
162: printf("%x\n",duh.s_addr);
1.13 fefe 163: #endif
1.12 fefe 164: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 165: #if 0
1.10 fefe 166: char buf[100];
167: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
168: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 169: #endif
1.9 fefe 170: #if 0
1.7 fefe 171: struct tm duh;
172: time_t t;
1.8 fefe 173: time(&t);
174: gmtime_r(&t,&duh);
175: printf("%s\n",asctime(&duh));
1.9 fefe 176: #endif
1.8 fefe 177: #if 0
1.7 fefe 178: char buf[30];
179: duh.tm_sec=42;
180: duh.tm_min=23;
181: duh.tm_hour=17;
182: duh.tm_mday=2;
183: duh.tm_mon=7;
184: duh.tm_year=100;
185: t=mktime(&duh);
186: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 187: #endif
1.2 fefe 188: #if 0
1.1 cvs 189: int i;
190: for (i=0; i<5; i++) {
191: fprintf(stdout,"first message\n");
192: fprintf(stdout,"second message\n");
193: fprintf(stdout,"third message\n");
194: printf("foo %d\n",i);
195: }
1.2 fefe 196: #endif
1.1 cvs 197: #if 0
198: char buf[1024];
199: sscanf("foo bar","%s",buf);
200: printf("%s\n",buf);
201: #endif
202: #if 0
203: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
204: perror("mount");
205: #endif
206: #if 0
207: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
208: int i=strtol(t+1,&t,10);
209: printf("%d %s\n",i,t);
210: #endif
211: #if 0
212: char **tmp;
213: putenv("FOO");
214: assert(1==2);
215: for (tmp=environ; *tmp; tmp++)
216: puts(*tmp);
217: #endif
218: #if 0
219: char buf[1024];
220: printf("%d\n",fprintf(stderr,"duh\n"));
221: #endif
222: #if 0
223: struct passwd *p=getpwuid(100);
224: puts(p->pw_name);
225: #endif
226: #if 0
227: int pid;
228: char name[32];
229: sscanf("1 (init","%d (%15c",&pid,name);
230: printf("pid %d name %s\n",pid,name);
231: #endif
232: #if 0
233: DIR *d=opendir("/proc");
234: if (d) {
235: struct dirent *D;
236: while (D=readdir(d))
237: puts(D->d_name);
238: closedir(d);
239: }
240: #endif
241: #if 0
242: char buf[1024];
243: int fd=open("/etc/passwd",0);
244: pread(fd,buf,30,32);
245: close(fd);
246: write(1,buf,32);
247: #endif
248: #if 0
249: char *argv[] = {"echo","foo",0};
250: char buf[100];
251: buf[5]='x';
252: sprintf(buf,"foo\n");
253: if (buf[5] == 'x')
254: exit(0);
255: else
256: exit(1);
257: execvp(argv[0],argv);
258: #endif
1.10 fefe 259: #if 0
1.1 cvs 260: struct stat64 f;
261: char buf[128];
262: fstat64(0,&f);
263: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
264: return 0;
265: #endif
266: #if 0
267: FILE *f=fopen("foo","w");
268: fputc('a',f);
269: fputc('b',f);
270: fputc('c',f);
271: #endif
272: /* fprintf(stdout,"foo\n"); */
273: }
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