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patch 8.2.3331: Coverity warns for using value without boundary check

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Problem:    Coverity warns for using value without boundary check.
Solution:   Add a boundary check.
This commit is contained in:
Bram Moolenaar
2021-08-11 17:13:54 +02:00
parent 7deb4115ef
commit ed7cb2df35
2 changed files with 6 additions and 3 deletions
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7
src/viminfo.c
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@@ -253,17 +253,18 @@ viminfo_readstring(
int off, // offset for virp->vir_line
int convert UNUSED) // convert the string
{
char_u *retval;
char_u *retval = NULL;
char_u *s, *d;
long len;
if (virp->vir_line[off] == Ctrl_V && vim_isdigit(virp->vir_line[off + 1]))
{
len = atol((char *)virp->vir_line + off + 1);
retval = lalloc(len, TRUE);
if (len > 0 && len < 1000000)
retval = lalloc(len, TRUE);
if (retval == NULL)
{
// Line too long? File messed up? Skip next line.
// Invalid length, line too long, out of memory? Skip next line.
(void)vim_fgets(virp->vir_line, 10, virp->vir_fd);
return NULL;
}