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patch 8.0.1227: undefined left shift in readfile()

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Problem:    Undefined left shift in readfile(). (Brian 'geeknik' Carpenter)
Solution:   Add cast to unsigned. (Dominique Pelle, closes #2253)
This commit is contained in:
Bram Moolenaar
2017-10-27 22:15:24 +02:00
parent 2a45d64d0a
commit dc1c981294
2 changed files with 8 additions and 6 deletions
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12
src/fileio.c
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@@ -1956,17 +1956,17 @@ retry:
{ {
if (fio_flags & FIO_ENDIAN_L) if (fio_flags & FIO_ENDIAN_L)
{ {
u8c = (*--p << 24); u8c = (unsigned)*--p << 24;
u8c += (*--p << 16); u8c += (unsigned)*--p << 16;
u8c += (*--p << 8); u8c += (unsigned)*--p << 8;
u8c += *--p; u8c += *--p;
} }
else /* big endian */ else /* big endian */
{ {
u8c = *--p; u8c = *--p;
u8c += (*--p << 8); u8c += (unsigned)*--p << 8;
u8c += (*--p << 16); u8c += (unsigned)*--p << 16;
u8c += (*--p << 24); u8c += (unsigned)*--p << 24;
} }
} }
else /* UTF-8 */ else /* UTF-8 */

2
src/version.c
View File

@@ -761,6 +761,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
1227,
/**/ /**/
1226, 1226,
/**/ /**/