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46079: Ignore double quotes in math expressions.

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Treat as white space.

This is required for compatibility and previously had no use in zsh
as it generated an error.
This commit is contained in:
Peter Stephenson 2020-06-22 12:06:43 +01:00
parent ae0129b49f
commit af1c009c3e
3 changed files with 15 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2020-06-22 Peter Stephenson <p.stephenson@samsung.com>
* 46079: Src/math.c, Test/C01arith.ztst: Ignore double quotes in
math expression: treat as white space.
2020-06-22 Manuel Jacob <me@manueljacob.de>
* 46091: Doc/Zsh/contrib.yo,

2
Src/math.c
View file

@ -831,6 +831,8 @@ zzlex(void)
case ' ': /* Fall through! */
case '\t':
case '\n':
case '"': /* POSIX says ignore these */
case Dnull:
break;
default:
if (idigit(*--ptr) || *ptr == '.')

10
Test/C01arith.ztst
View file

@ -180,9 +180,10 @@
1:bases beyond 36 don't work
?(eval):1: invalid base (must be 2 to 36 inclusive): 37
fail=39
print $(( 3 + "fail" ))
1:parse failure in arithmetic
?(eval):1: bad math expression: operand expected at `"fail" '
0:Double quotes are not treated specially in arithmetic
>42
alias 3=echo
print $(( 3 + "OK"); echo "Worked")
@ -487,3 +488,8 @@
let noexist==0 )
1:Arithmetic, NO_UNSET part 3
?(eval):2: noexist: parameter not set
print $(( "6+2" / "1+3" ))
0:Double quotes are not treated specially in arithmetic (POSIX)
# and do not do grouping! this is 6 + (2/1) + 3
>11