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Merge pull request #781 from opensourcerouting/vty-out-bufresize

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lib: fix vty_out with >1024 bytes of output
This commit is contained in:
Quentin Young 2017-07-06 13:23:33 -04:00 committed by GitHub
commit 37892613f0
1 changed files with 4 additions and 2 deletions
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6
lib/vty.c
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@ -107,7 +107,7 @@ vty_out_variadic (struct vty *vty, const char *format, va_list args)
{
/* Try to write to initial buffer. */
va_copy (cp, args);
len = vsnprintf (buf, sizeof(buf), format, args);
len = vsnprintf (buf, sizeof(buf), format, cp);
va_end (cp);
/* Initial buffer is not enough. */
@ -124,7 +124,9 @@ vty_out_variadic (struct vty *vty, const char *format, va_list args)
if (! p)
return -1;
len = vsnprintf (p, size, format, args);
va_copy (cp, args);
len = vsnprintf (p, size, format, cp);
va_end (cp);
if (len > -1 && len < size)
break;