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Correct destination buffer size to strlcat

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bombipappoo 2020-07-12 01:54:02 +09:00
parent 3afce176ac
commit 68f86b52c6
1 changed files with 2 additions and 2 deletions
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4
ncdump/dumplib.c
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@ -189,7 +189,7 @@ sbuf_cat(safebuf_t *sb, const char *s2) {
assert(SAFEBUF_CHECK(sb));
s2len = strlen(s2);
sbuf_grow(sb, 1 + sb->cl + s2len);
res = strlcat(sb->buf + sb->cl, s2, sb->len);
res = strlcat(sb->buf + sb->cl, s2, sb->len - sb->cl);
assert( res < sb->len );
sb->cl += s2len;
assert(SAFEBUF_CHECK(sb));
@ -205,7 +205,7 @@ sbuf_catb(safebuf_t *s1, const safebuf_t *s2) {
assert(SAFEBUF_CHECK(s2));
s2len = sbuf_len(s2);
sbuf_grow(s1, 1 + s1->cl + s2len);
res = strlcat(s1->buf + s1->cl, s2->buf, s1->len);
res = strlcat(s1->buf + s1->cl, s2->buf, s1->len - s1->cl);
assert( res < s1->len );
s1->cl += s2len;
assert(SAFEBUF_CHECK(s1));