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fixup! strbuf_vinsertf: provide the correct buffer size to vsnprintf

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In preparation for a newer patch series.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin
2019-03-11 16:36:12 +01:00
parent c6f8916538
commit 017b95da39
1 changed files with 1 additions and 1 deletions
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2
strbuf.c
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@@ -270,7 +270,7 @@ void strbuf_vinsertf(struct strbuf *sb, size_t pos, const char *fmt, va_list ap)
memmove(sb->buf + pos + len, sb->buf + pos, sb->len - pos);
/* vsnprintf() will append a NUL, overwriting one of our characters */
save = sb->buf[pos + len];
len2 = vsnprintf(sb->buf + pos, len + 1, fmt, ap);
len2 = vsnprintf(sb->buf + pos, sb->alloc - sb->len, fmt, ap);
sb->buf[pos + len] = save;
if (len2 != len)
BUG("your vsnprintf is broken (returns inconsistent lengths)");