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fix comments

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-11-28 14:22:52 +01:00
parent ae04ce82cf
commit 818a4aa2ef
1 changed files with 4 additions and 3 deletions
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7
coreutils/uudecode.c
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@ -279,6 +279,7 @@ int baseNUM_main(int argc UNUSED_PARAM, char **argv)
*--argv = (char*)"-"; *--argv = (char*)"-";
src_stream = xfopen_stdin(argv[0]); src_stream = xfopen_stdin(argv[0]);
if (opts & 1) { if (opts & 1) {
/* -d: decode */
int flags = (unsigned char)EOF; int flags = (unsigned char)EOF;
if (ENABLE_BASE32 && (!ENABLE_BASE64 || applet_name[4] == '3')) if (ENABLE_BASE32 && (!ENABLE_BASE64 || applet_name[4] == '3'))
flags = ((unsigned char)EOF) | BASE64_32; flags = ((unsigned char)EOF) | BASE64_32;
@ -286,12 +287,12 @@ int baseNUM_main(int argc UNUSED_PARAM, char **argv)
} else { } else {
enum { enum {
SRC_BUF_SIZE = 3 * 5 * 32, /* this *MUST* be a multiple of 3 and 5 */ SRC_BUF_SIZE = 3 * 5 * 32, /* this *MUST* be a multiple of 3 and 5 */
DST_BUF_SIZE = 8 * ((SRC_BUF_SIZE + 4) / 5), /* max growth on decode (base32 case) */ DST_BUF_SIZE = 8 * ((SRC_BUF_SIZE + 4) / 5), /* max growth on encode (base32 case) */
}; };
/* Use one buffer for both input and output: /* Use one buffer for both input and output:
* decoding reads input "left-to-right", * encoding reads input "left-to-right",
* it's safe to place source at the end of the buffer and * it's safe to place source at the end of the buffer and
* overwrite it while decoding, just be careful to have a gap. * overwrite it while encoding, just be careful to have a gap.
*/ */
char dst_buf[((DST_BUF_SIZE + /*gap:*/ 16) /*round up to 16:*/ | 0xf) + 1]; char dst_buf[((DST_BUF_SIZE + /*gap:*/ 16) /*round up to 16:*/ | 0xf) + 1];
#define src_buf (dst_buf + sizeof(dst_buf) - SRC_BUF_SIZE) #define src_buf (dst_buf + sizeof(dst_buf) - SRC_BUF_SIZE)