diff options
Diffstat (limited to 'pp_ctl.c')
-rw-r--r-- | pp_ctl.c | 33 |
1 files changed, 31 insertions, 2 deletions
@@ -3222,6 +3222,7 @@ PP(pp_require) #endif { namesv = newSV(0); + sv_upgrade(namesv, SVt_PV); for (i = 0; i <= AvFILL(ar); i++) { SV * const dirsv = *av_fetch(ar, i, TRUE); @@ -3351,7 +3352,16 @@ PP(pp_require) || (*name == ':' && name[1] != ':' && strchr(name+2, ':')) #endif ) { - const char *dir = SvOK(dirsv) ? SvPV_nolen_const(dirsv) : ""; + const char *dir; + STRLEN dirlen; + + if (SvOK(dirsv)) { + dir = SvPV_const(dirsv, dirlen); + } else { + dir = ""; + dirlen = 0; + } + #ifdef MACOS_TRADITIONAL char buf1[256]; char buf2[256]; @@ -3379,7 +3389,26 @@ PP(pp_require) "%s\\%s", dir, name); # else - Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name); + /* The equivalent of + Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name); + but without the need to parse the format string, or + call strlen on either pointer, and with the correct + allocation up front. */ + { + char *tmp = SvGROW(namesv, dirlen + len + 2); + + memcpy(tmp, dir, dirlen); + tmp +=dirlen; + *tmp++ = '/'; + /* name came from an SV, so it will have a '\0' at the + end that we can copy as part of this memcpy(). */ + memcpy(tmp, name, len + 1); + + SvCUR_set(namesv, dirlen + len + 1); + + /* Don't even actually have to turn SvPOK_on() as we + access it directly with SvPVX() below. */ + } # endif # endif #endif |