diff options
Diffstat (limited to 'sv.c')
| -rw-r--r-- | sv.c | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -8657,7 +8657,11 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV else return; if (*pp == 'g') { - if (digits < sizeof(ebuf) - NV_DIG - 10) { /* 0, point, slack */ + /* Add check for digits != 0 because it seems that some + gconverts are buggy in this case, and we don't yet have + a Configure test for this. */ + if (digits && digits < sizeof(ebuf) - NV_DIG - 10) { + /* 0, point, slack */ Gconvert(nv, (int)digits, 0, ebuf); sv_catpv(sv, ebuf); if (*ebuf) /* May return an empty string for digits==0 */ @@ -9367,7 +9371,9 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV if ( !(width || left || plus || alt) && fill != '0' && has_precis && intsize != 'q' ) { /* Shortcuts */ - if ( c == 'g') { + /* See earlier comment about buggy Gconvert when digits, + aka precis is 0 */ + if ( c == 'g' && precis) { Gconvert((NV)nv, (int)precis, 0, PL_efloatbuf); if (*PL_efloatbuf) /* May return an empty string for digits==0 */ goto float_converted; |