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glibc/dirent/tst-seekdir.c
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#include <stdio.h> | |
#include <dirent.h> | |
#include <stdlib.h> | |
int | |
main (int argc, char *argv[]) | |
{ | |
DIR * dirp; | |
long int save3 = 0; | |
int i = 0; | |
struct dirent *dp; | |
dirp = opendir("."); | |
for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) | |
{ | |
/* save position 3 (after fourth entry) */ | |
if (i++ == 3) | |
save3 = telldir(dirp); | |
printf("%s\n", dp->d_name); | |
/* stop at 400 (just to make sure dirp->__offset and dirp->__size are | |
scrambled */ | |
if (i == 400) | |
break; | |
} | |
printf("going back past 4-th entry...\n"); | |
/* go back to saved entry */ | |
seekdir (dirp, save3); | |
/* print remaining files (3-last) */ | |
for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) | |
printf("%s\n", dp->d_name); | |
closedir (dirp); | |
return 0; | |
} |