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hexedit: code shrink

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function                                             old     new   delta
hexedit_main                                        1176    1169      -7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-09-14 11:20:36 +02:00
parent 8838c6d53e
commit 44cb1666ef
1 changed files with 5 additions and 4 deletions
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9
miscutils/hexedit.c
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@ -274,7 +274,7 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv)
for (;;) {
unsigned cnt;
int32_t key = key; // for compiler
int32_t key = key; /* for compiler */
uint8_t byte;
fflush_all();
@ -286,11 +286,12 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv)
key = CTRL('X');
cnt = 1;
if ((unsigned)(key - 'A') <= 'Z' - 'A')
key |= 0x20; /* convert A-Z to a-z */
switch (key) {
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
/* lowercase, then convert to '0'+10...15 */
key = (key | 0x20) - ('a' - '0' - 10);
/* convert to '0'+10...15 */
key = key - ('a' - '0' - 10);
/* fall through */
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':