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uudecode: fix possible signed char bug

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-10-07 17:02:46 +02:00
parent 2496616b0a
commit 085f19cdff
1 changed files with 2 additions and 4 deletions
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6
coreutils/uudecode.c
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@ -110,9 +110,7 @@ static void FAST_FUNC read_stduu(FILE *src_stream, FILE *dst_stream, int flags U
}
bb_simple_error_msg_and_die("short file");
}
#endif
#if ENABLE_UUDECODE
int uudecode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int uudecode_main(int argc UNUSED_PARAM, char **argv)
{
@ -202,10 +200,10 @@ int base64_main(int argc UNUSED_PARAM, char **argv)
*--argv = (char*)"-";
src_stream = xfopen_stdin(argv[0]);
if (opts) {
read_base64(src_stream, stdout, /*flags:*/ (char)EOF);
read_base64(src_stream, stdout, /*flags:*/ (unsigned char)EOF);
} else {
enum {
SRC_BUF_SIZE = 76/4*3, /* This *MUST* be a multiple of 3 */
SRC_BUF_SIZE = 76 / 4 * 3, /* this *MUST* be a multiple of 3 */
DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
};
char src_buf[SRC_BUF_SIZE];