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(_IO_vsnprintf): Set first byte of destination array to NUL to handle

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maxlen==1 case correctly.
This commit is contained in:
Ulrich Drepper 1998-08-28 12:06:13 +00:00
parent e3a874f157
commit f6696b61fb
1 changed files with 1 additions and 0 deletions

1
libio/vsnprintf.c

@ -45,6 +45,7 @@ _IO_vsnprintf (string, maxlen, format, args)
_IO_init ((_IO_FILE *) &sf, 0);
_IO_JUMPS ((_IO_FILE *) &sf) = &_IO_str_jumps;
string[0] = '\0';
_IO_str_init_static ((_IO_FILE *) &sf, string, maxlen - 1, string);
ret = _IO_vfprintf ((_IO_FILE *) &sf, format, args);
*((_IO_FILE *) &sf)->_IO_write_ptr = '\0';