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