mkdtemp.c\temp\src - musl - musl - an implementation of the standard library for Linux-based systems

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path: root/src/temp/mkdtemp.c
blob: 5708257bfecf6ae3e05a5e9fdd0e7054a96d0a7c (plain) (blame)
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#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/stat.h>
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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