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Fix potential segfault in the replacement vasprintf() function.

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This commit is contained in:
Guus Sliepen 2017-01-31 12:03:27 +01:00
parent 06b8201332
commit 88d158e15b
1 changed files with 1 additions and 2 deletions
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3
src/dropin.c
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@ -106,14 +106,13 @@ int vasprintf(char **buf, const char *fmt, va_list ap) {
va_copy(aq, ap); va_copy(aq, ap);
status = vsnprintf(*buf, len, fmt, aq); status = vsnprintf(*buf, len, fmt, aq);
buf[len - 1] = 0;
va_end(aq); va_end(aq);
if(status >= 0) if(status >= 0)
*buf = xrealloc(*buf, status + 1); *buf = xrealloc(*buf, status + 1);
if(status > len - 1) { if(status > len - 1) {
len = status; len = status + 1;
va_copy(aq, ap); va_copy(aq, ap);
status = vsnprintf(*buf, len, fmt, aq); status = vsnprintf(*buf, len, fmt, aq);
va_end(aq); va_end(aq);