49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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int main(int argc, char *argv[])
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{
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unsigned begin, end;
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int pat_min, pat_max;
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char *path;
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if (argc == 6) {
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path = argv[1];
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sscanf(argv[2], "%u", &begin);
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sscanf(argv[3], "%u", &end);
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sscanf(argv[4], "%i", &pat_min);
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sscanf(argv[5], "%i", &pat_max);
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} else {
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fprintf(stderr, "mkdirrange <directory> <num_begin> <num_end> <pat_min> <pat_max>\n"
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"pat_min + pat_max <= 244\n");
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exit(1);
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}
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int dirfd = open(path, O_DIRECTORY);
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if (dirfd == -1) {
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fprintf(stderr, "Can't open %s: %s\n", path, strerror(errno));
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exit(1);
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}
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char dirname[256];
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memset(dirname, 'x', 256);
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for(unsigned current = begin; current < end; current++) {
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int length = sprintf(dirname, "d%10.10u_", current);
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dirname[length] = 'x';
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length += pat_min + (current % pat_max);
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dirname[length] = '\0';
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if(mkdirat(dirfd, dirname, 0755)) {
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fprintf(stderr, "Can't mkdir %s: %s\n", dirname, strerror(errno));
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exit(1);
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} else {
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dirname[length] = 'x';
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}
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}
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return 0;
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}
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