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Use binary mode when opening via fopen in the tools (#2371)

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In the snapshot tool the files were opened
in text mode. However the snapshot files
are binary files thus it is advised to use the
binary mode when opening the files.

Specifying the binary mode is a must on Windows
platform otherwise the read/write operations
are inserting extra '\r' characters.

To make the tools consitent across OSes all
fopen are now opening files in binary mode.

Also update jerry-libc to accept the 'b'
modifier and add a test case where the JS
file uses CR-LF line endings.

JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.u-szeged@partner.samsung.com
This commit is contained in:
Péter Gál
2018-06-11 21:38:35 +02:00
committed by yichoi
parent 9ae60a4910
commit efa8850783
5 changed files with 41 additions and 10 deletions
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jerry-libc/target/posix/jerry-libc-target.c
+13 -4
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@@ -113,16 +113,25 @@ fopen (const char *path, /**< file path */
bool truncate = false;
bool create_if_not_exist = false;
bool position_at_end = false;
int modifier_position = 1;
assert (path != NULL && mode != NULL);
assert (mode[1] == '+' || mode[1] == '\0');
assert (mode[1] == '\0'
|| (mode[1] == '+' && mode[2] == '\0')
|| (mode[1] == 'b' && mode[2] == '\0')
|| (mode[1] == 'b' && mode[2] == '+' && mode[3] == '\0'));
if (mode[1] == 'b')
{
modifier_position = 2;
}
switch (mode[0])
{
case 'r':
{
may_read = true;
may_write = (mode[1] == '+');
may_write = (mode[modifier_position] == '+');
break;
}
case 'w':
@@ -130,7 +139,7 @@ fopen (const char *path, /**< file path */
may_write = true;
truncate = true;
create_if_not_exist = true;
may_read = (mode[1] == '+');
may_read = (mode[modifier_position] == '+');
break;
}
case 'a':
@@ -138,7 +147,7 @@ fopen (const char *path, /**< file path */
may_write = true;
position_at_end = true;
create_if_not_exist = true;
if (mode[1] == '+')
if (mode[modifier_position] == '+')
{
assert (false && "unsupported mode a+");
}