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vim-patch:8.1.1025: checking NULL pointer after addition

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Problem:    Checking NULL pointer after addition. (Coverity)
Solution:   First check for NULL, then add the column.
64c8ed366d
This commit is contained in:
Jan Edmund Lazo 2019-03-21 07:42:41 -04:00
parent c5631338b1
commit 5c97bfb1e2
1 changed files with 2 additions and 1 deletions
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src/nvim/regexp.c
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@ -6963,10 +6963,11 @@ char_u *reg_submatch(int no)
return NULL;
}
s = reg_getline_submatch(lnum) + rsm.sm_mmatch->startpos[no].col;
s = reg_getline_submatch(lnum);
if (s == NULL) { // anti-crash check, cannot happen?
break;
}
s += rsm.sm_mmatch->startpos[no].col;
if (rsm.sm_mmatch->endpos[no].lnum == lnum) {
// Within one line: take form start to end col.
len = rsm.sm_mmatch->endpos[no].col - rsm.sm_mmatch->startpos[no].col;