Annotation of dietlibc/t.c, revision 1.44
1.1 cvs 1: #include <unistd.h>
2: #include <endian.h>
3: #include <stdlib.h>
4: #include <dirent.h>
5: #include <pwd.h>
1.40 fefe 6: #include <shadow.h>
1.1 cvs 7: #include <stdio.h>
8: #include <assert.h>
9: #include <sys/mount.h>
1.7 fefe 10: #include <time.h>
1.9 fefe 11: #include <sys/stat.h>
1.10 fefe 12: #include <stdio.h>
1.12 fefe 13: #include <arpa/inet.h>
1.13 fefe 14: #include <sys/sem.h>
1.14 fefe 15: #include <sys/shm.h>
1.17 fefe 16: #include <math.h>
1.20 fefe 17: #include <termios.h>
1.22 fefe 18: #include <netdb.h>
1.38 fefe 19: #include <sys/mman.h>
1.1 cvs 20:
1.17 fefe 21: #if 0
1.16 fefe 22: int compint(const void *a,const void *b) {
23: /* printf("comparing %d with %d\n",*(int*)a,*(int*)b); */
24: return (*(int*)a-*(int*)b);
25: }
26:
27: #define SIZE 100000
28: #define LOOKFOR ((SIZE/2)-2)
29:
30: int array[SIZE];
31:
32: #define rdtscl(low) \
33: __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
34:
35: static unsigned int seed=1;
36:
37: static int rand() {
38: return ((seed = seed * 1103515245 + 12345) % ((unsigned int)RAND_MAX + 1));
39: }
1.17 fefe 40: #endif
1.16 fefe 41:
1.24 fefe 42: extern double atof(const char *c);
43:
1.12 fefe 44: int main(int argc,char *argv[]) {
1.44 ! fefe 45: printf("%*.*s\n",5,7,"foo bar baz");
1.41 fefe 46: #if 0
1.40 fefe 47: struct passwd *p=getpwnam("leitner");
1.41 fefe 48: struct spwd *s=getspnam("leitner");
1.39 fefe 49: printf("%g\n",30.0123);
1.41 fefe 50: #endif
1.43 fefe 51: #if 0
1.42 fefe 52: initgroups("root",100);
1.43 fefe 53: #endif
1.38 fefe 54: #if 0
1.37 fefe 55: time_t t=time(0);
56: puts(asctime(localtime(&t)));
1.38 fefe 57: #endif
1.37 fefe 58: #if 0
1.36 fefe 59: struct servent *foo=getservbyname("ident","tcp");
60: if (foo)
61: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 62: #endif
1.35 fefe 63: #if 0
1.33 fefe 64: char buf[128];
65: strcpy(buf,"/tmp/foo.XXXXXXX");
66: printf("%d\n",mkstemp(buf));
1.34 fefe 67: printf("%s\n",buf);
68: unlink(buf);
1.35 fefe 69: #endif
1.33 fefe 70: #if 0
1.32 fefe 71: char buf[512]="foo";
72: strncat(buf,"barbaz",3);
73: puts(buf);
1.33 fefe 74: #endif
1.32 fefe 75: #if 0
1.31 fefe 76: time_t oink=time(0);
77: struct tm *duh=localtime(&oink);
78: strftime(buf,512,"%A %B %Y\n",duh);
79: puts(buf);
1.32 fefe 80: #endif
1.31 fefe 81: #if 0
1.28 fefe 82: struct in_addr bar;
83: struct hostent *foo;
1.29 fefe 84: /* inet_aton("160.45.10.8",&bar); */
85: foo=gethostbyname("zeit.fu-berlin.de");
86: /* foo=gethostbyaddr(&bar,4,AF_INET); */
1.30 fefe 87: if (foo)
88: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 89: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 90: #endif
1.18 fefe 91: #if 0
1.17 fefe 92: double d=0.0;
93: long long t=0x12345678ABCDEF01;
94: d/=0.0;
95: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 96: #endif
1.17 fefe 97: #if 0
1.16 fefe 98: int i,j;
99: long a,b,c;
100: int *res;
101: printf("%p\n",malloc(0));
102: qsort(array,2,sizeof(int),compint);
103: for (i=0; i<SIZE; ++i)
104: array[i]=rand();
105: rdtscl(a);
106: qsort(array,SIZE,sizeof(int),compint);
107: rdtscl(b);
108: j=array[LOOKFOR];
109: res=bsearch(&j,array,SIZE,sizeof(int),compint);
110: rdtscl(c);
111: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
112: for (i=0; i<SIZE-1; ++i)
113: if (array[i]>array[i+1]) {
114: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
115: return 1;
116: }
117: if (*res!=j)
118: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
119: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 120: #endif
1.13 fefe 121: #if 0
1.12 fefe 122: struct in_addr duh;
123: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
124: printf("%x\n",duh.s_addr);
1.13 fefe 125: #endif
1.12 fefe 126: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 127: #if 0
1.10 fefe 128: char buf[100];
129: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
130: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 131: #endif
1.9 fefe 132: #if 0
1.7 fefe 133: struct tm duh;
134: time_t t;
1.8 fefe 135: time(&t);
136: gmtime_r(&t,&duh);
137: printf("%s\n",asctime(&duh));
1.9 fefe 138: #endif
1.8 fefe 139: #if 0
1.7 fefe 140: char buf[30];
141: duh.tm_sec=42;
142: duh.tm_min=23;
143: duh.tm_hour=17;
144: duh.tm_mday=2;
145: duh.tm_mon=7;
146: duh.tm_year=100;
147: t=mktime(&duh);
148: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 149: #endif
1.2 fefe 150: #if 0
1.1 cvs 151: int i;
152: for (i=0; i<5; i++) {
153: fprintf(stdout,"first message\n");
154: fprintf(stdout,"second message\n");
155: fprintf(stdout,"third message\n");
156: printf("foo %d\n",i);
157: }
1.2 fefe 158: #endif
1.1 cvs 159: #if 0
160: char buf[1024];
161: sscanf("foo bar","%s",buf);
162: printf("%s\n",buf);
163: #endif
164: #if 0
165: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
166: perror("mount");
167: #endif
168: #if 0
169: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
170: int i=strtol(t+1,&t,10);
171: printf("%d %s\n",i,t);
172: #endif
173: #if 0
174: char **tmp;
175: putenv("FOO");
176: assert(1==2);
177: for (tmp=environ; *tmp; tmp++)
178: puts(*tmp);
179: #endif
180: #if 0
181: char buf[1024];
182: printf("%d\n",fprintf(stderr,"duh\n"));
183: #endif
184: #if 0
185: struct passwd *p=getpwuid(100);
186: puts(p->pw_name);
187: #endif
188: #if 0
189: int pid;
190: char name[32];
191: sscanf("1 (init","%d (%15c",&pid,name);
192: printf("pid %d name %s\n",pid,name);
193: #endif
194: #if 0
195: DIR *d=opendir("/proc");
196: if (d) {
197: struct dirent *D;
198: while (D=readdir(d))
199: puts(D->d_name);
200: closedir(d);
201: }
202: #endif
203: #if 0
204: char buf[1024];
205: int fd=open("/etc/passwd",0);
206: pread(fd,buf,30,32);
207: close(fd);
208: write(1,buf,32);
209: #endif
210: #if 0
211: char *argv[] = {"echo","foo",0};
212: char buf[100];
213: buf[5]='x';
214: sprintf(buf,"foo\n");
215: if (buf[5] == 'x')
216: exit(0);
217: else
218: exit(1);
219: execvp(argv[0],argv);
220: #endif
1.10 fefe 221: #if 0
1.1 cvs 222: struct stat64 f;
223: char buf[128];
224: fstat64(0,&f);
225: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
226: return 0;
227: #endif
228: #if 0
229: FILE *f=fopen("foo","w");
230: fputc('a',f);
231: fputc('b',f);
232: fputc('c',f);
233: #endif
234: /* fprintf(stdout,"foo\n"); */
235: }
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