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#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/stat.h>
char *__randname(char *);
char *mkdtemp(char *template)
{
size_t l = strlen(template);
int retries = 100;
if (l<6 || memcmp(template+l-6, "XXXXXX", 6)) {
errno = EINVAL;
return 0;
}
do {
__randname(template+l-6);
if (!mkdir(template, 0700)) return template;
} while (--retries && errno == EEXIST);
memcpy(template+l-6, "XXXXXX", 6);
return 0;
}
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