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sprintbuf(): test for all vsnprintf error values

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The POSIX specification states that vsnprintf returns "a negative value"
in case of error, but the code checks explicitly only for -1.
This commit is contained in:
Tobias Stoeckmann
2022-02-27 21:45:28 +01:00
parent bd56cc8bf7
commit 94b2a0cb29
1 changed files with 1 additions and 1 deletions
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printbuf.c
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@@ -143,7 +143,7 @@ int sprintbuf(struct printbuf *p, const char *msg, ...)
* if output is truncated whereas some return the number of bytes that * if output is truncated whereas some return the number of bytes that
* would have been written - this code handles both cases. * would have been written - this code handles both cases.
*/ */
if (size == -1 || size > 127) if (size < 0 || size > 127)
{ {
va_start(ap, msg); va_start(ap, msg);
if ((size = vasprintf(&t, msg, ap)) < 0) if ((size = vasprintf(&t, msg, ap)) < 0)