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ash: output: Fix fmtstr return value

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Upstream commit:

    Date: Sat, 19 May 2018 02:39:44 +0800
    output: Fix fmtstr return value

    The function fmtstr is meant to return the actual length of output
    produced, rather than the untruncated length.

    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-02-16 18:06:20 +01:00
parent 970470e235
commit 3f7fb2c89a
1 changed files with 1 additions and 1 deletions
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shell/ash.c
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@ -713,7 +713,7 @@ fmtstr(char *outbuf, size_t length, const char *fmt, ...)
ret = vsnprintf(outbuf, length, fmt, ap); ret = vsnprintf(outbuf, length, fmt, ap);
va_end(ap); va_end(ap);
INT_ON; INT_ON;
return ret; return ret > (int)length ? length : ret;
} }
static void static void