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(vsnprintf): don't write the NUL into the string if the length was 0

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15031 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2005-04-30 15:07:05 +00:00
parent f651d08834
commit b4e448428a
1 changed files with 1 additions and 1 deletions
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2
lib/roken/snprintf.c
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@@ -688,7 +688,7 @@ vsnprintf (char *str, size_t sz, const char *format, va_list args)
state.append_char = sn_append_char; state.append_char = sn_append_char;
ret = xyzprintf (&state, format, args); ret = xyzprintf (&state, format, args);
if (state.s != NULL) if (state.s != NULL && sz != 0)
*state.s = '\0'; *state.s = '\0';
return ret; return ret;
} }