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patch 8.2.4070: using uninitialized memory when reading empty file

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Problem:    Using uninitialized memory when reading empty file.
Solution:   Check for empty file before checking for NL. (Dominique Pellé,
            closes #9511)
This commit is contained in:
Dominique Pelle
2022-01-12 15:24:40 +00:00
committed by Bram Moolenaar
parent 5d9826973d
commit f5d639a8af
3 changed files with 10 additions and 1 deletions
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2
src/filepath.c
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@@ -1796,7 +1796,7 @@ read_file_or_blob(typval_T *argvars, typval_T *rettv, int always_blob)
p < buf + readlen || (readlen <= 0 && (prevlen > 0 || binary));
++p)
{
if (*p == '\n' || readlen <= 0)
if (readlen <= 0 || *p == '\n')
{
listitem_T *li;
char_u *s = NULL;