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#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
int main(int argc, char *argv[])
{
unsigned begin, end;
int pat_min, pat_max;
char *path;
if (argc == 6) {
path = argv[1];
sscanf(argv
[2], "%u", &begin
);
sscanf(argv
[4], "%i", &pat_min
);
sscanf(argv
[5], "%i", &pat_max
);
} else {
fprintf(stderr
, "mkdirrange <directory> <num_begin> <num_end> <pat_min> <pat_max>\n"
"pat_min + pat_max <= 244\n");
}
int dirfd = open(path, O_DIRECTORY);
if (dirfd == -1) {
}
char dirname[256];
for(unsigned current = begin; current < end; current++) {
int length
= sprintf(dirname
, "d%10.10u_", current
);
dirname[length] = 'x';
length += pat_min + (current % pat_max);
dirname[length] = '\0';
if(mkdirat(dirfd, dirname, 0755)) {
} else {
dirname[length] = 'x';
}
}
return 0;
}