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| author | Gerrit Pape <pape@smarden.org> | 2007-12-23 21:24:37 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2007-12-23 21:24:37 +0800 |
| commit | 469fad86703e8dc8177dc9f1a768571105292344 (patch) | |
| tree | b1a9ba02237d1d960b22ef7e2b24e0a7c1f67687 | |
| parent | [BUILTIN] Add set +o support (diff) | |
| download | dash-469fad86703e8dc8177dc9f1a768571105292344.tar.gz dash-469fad86703e8dc8177dc9f1a768571105292344.zip | |
[ARITH] If imaxdiv() isn't available, use / and % operators
Although in posix, imaxdiv() isn't implemented on Debian/alpha, causing dash to fail to build. So use / and % operators if imaxdiv() isn't available. http://bugs.debian.org/456398 Signed-off-by: Gerrit Pape <pape@smarden.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | configure.ac | 5 | ||||
| -rw-r--r-- | src/arith_yacc.c | 6 |
3 files changed, 13 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 10ec45c..56acd66 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2007-12-23 Gerrit Pape <pape@smarden.org> + + * If imaxdiv() isn't available, use / and % operators. + 2007-12-23 Richard M Kreuter <kreuter@progn.net> * Add set +o support. diff --git a/configure.ac b/configure.ac index ccc4ac1..4d739c2 100644 --- a/configure.ac +++ b/configure.ac @@ -33,8 +33,9 @@ dnl Checks for libraries. dnl Checks for header files. dnl Checks for library functions. -AC_CHECK_FUNCS(bsearch getpwnam getrlimit isalpha killpg mempcpy sigsetmask \ - stpcpy strchrnul strsignal strtod strtoimax strtoumax sysconf) +AC_CHECK_FUNCS(bsearch getpwnam getrlimit imaxdiv isalpha killpg mempcpy \ + sigsetmask stpcpy strchrnul strsignal strtod strtoimax \ + strtoumax sysconf) if test "$enable_fnmatch" = yes; then use_fnmatch= diff --git a/src/arith_yacc.c b/src/arith_yacc.c index e473594..f4857fe 100644 --- a/src/arith_yacc.c +++ b/src/arith_yacc.c @@ -88,7 +88,9 @@ static inline int higher_prec(int op1, int op2) static intmax_t do_binop(int op, intmax_t a, intmax_t b) { +#ifdef HAVE_IMAXDIV imaxdiv_t div; +#endif switch (op) { default: @@ -96,8 +98,12 @@ static intmax_t do_binop(int op, intmax_t a, intmax_t b) case ARITH_DIV: if (!b) yyerror("division by zero"); +#ifdef HAVE_IMAXDIV div = imaxdiv(a, b); return op == ARITH_REM ? div.rem : div.quot; +#else + return op == ARITH_REM ? a % b : a / b; +#endif case ARITH_MUL: return a * b; case ARITH_ADD: |