Function path_cwd

ccan/ccan/tal/path/path.c:14–26

#include <assert.h>

char *path_cwd(const tal_t *ctx)
{
	size_t len = 64;
	char *cwd;

	/* *This* is why people hate C. */
	cwd = tal_arr(ctx, char, len);
	while (cwd && !getcwd(cwd, len)) {
		if (errno != ERANGE || !tal_resize(&cwd, len *= 2))
			cwd = tal_free(cwd);
	}
	return cwd;
}

char *path_join(const tal_t *ctx, const char *base, const char *a)
{