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patch 8.2.0099: use of NULL pointer when out of memory

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Problem:    Use of NULL pointer when out of memory.
Solution:   Check for NULL pointer. (Dominique Pelle, closes #5449)
This commit is contained in:
Bram Moolenaar
2020-01-07 21:05:49 +01:00
parent e31ee86859
commit 8b7aa2f9b2
2 changed files with 11 additions and 3 deletions
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12
src/cmdexpand.c
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@@ -2327,7 +2327,7 @@ expand_shellcmd(
char_u *path = NULL;
int mustfree = FALSE;
garray_T ga;
char_u *buf = alloc(MAXPATHL);
char_u *buf;
size_t l;
char_u *s, *e;
int flags = flagsarg;
@@ -2337,12 +2337,18 @@ expand_shellcmd(
hashitem_T *hi;
hash_T hash;
buf = alloc(MAXPATHL);
if (buf == NULL)
return FAIL;
// for ":set path=" and ":set tags=" halve backslashes for escaped
// space
// for ":set path=" and ":set tags=" halve backslashes for escaped space
pat = vim_strsave(filepat);
if (pat == NULL)
{
vim_free(buf);
return FAIL;
}
for (i = 0; pat[i]; ++i)
if (pat[i] == '\\' && pat[i + 1] == ' ')
STRMOVE(pat + i, pat + i + 1);