ahp/busybox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

shell/math: improve comments

Browse source 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2023-06-26 11:08:40 +02:00
parent 5d8f8570c0
commit e619a25a55
1 changed files with 4 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
shell/math.c
View file

@ -856,9 +856,11 @@ evaluate_string(arith_state_t *math_state, const char *expr)
*/ */
prec = PREC(op); prec = PREC(op);
if (prec != PREC_LPAREN && prec < UNARYPREC) { if (prec != PREC_LPAREN && prec < UNARYPREC) {
/* binary, ternary or RPAREN */ /* Binary, ternary or RPAREN */
if (lasttok != TOK_VALUE) { if (lasttok != TOK_VALUE) {
/* must be preceded by a num (example?) */ /* Must be preceded by a value.
* $((2 2 + * 3)) would be accepted without this.
*/
goto syntax_err; goto syntax_err;
} }
/* if op is RPAREN: /* if op is RPAREN: