#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
+#include <string.h>
+#include <errno.h>
#include "checkers.h"
#include "vector.h"
#include "switchgroup.h"
#include "devmapper.h"
#include "uevent.h"
+#include "debug.h"
#define MAX(x,y) (x > y) ? x : y
#define TAIL (line + len - 1 - c)
extern void
print_multipath_topology (struct multipath * mpp, int verbosity)
{
- char buff[MAX_LINE_LEN * MAX_LINES] = {};
+ int resize;
+ char *buff = NULL;
+ char *old = NULL;
+ int len, maxlen = MAX_LINE_LEN * MAX_LINES;
+
+ buff = MALLOC(maxlen);
+ do {
+ if (!buff) {
+ if (old)
+ FREE(old);
+ condlog(0, "couldn't allocate memory for list: %s\n",
+ strerror(errno));
+ return;
+ }
+
+ len = snprint_multipath_topology(buff, maxlen, mpp, verbosity);
+ resize = (len == maxlen - 1);
- memset(&buff[0], 0, MAX_LINE_LEN * MAX_LINES);
- snprint_multipath_topology(&buff[0], MAX_LINE_LEN * MAX_LINES,
- mpp, verbosity);
+ if (resize) {
+ maxlen *= 2;
+ old = buff;
+ buff = REALLOC(buff, maxlen);
+ }
+ } while (resize);
printf("%s", buff);
}