JezK
Edit File: dquote_inline.h
/* dquote_inline.h * * Copyright (C) 2015 by Larry Wall and others * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. */ #ifndef PERL_DQUOTE_INLINE_H_ /* Guard against nested #inclusion */ #define PERL_DQUOTE_INLINE_H_ /* - regcurly - a little FSA that accepts {\d+,?\d*} Pulled from reg.c. */ PERL_STATIC_INLINE I32 S_regcurly(const char *s) { PERL_ARGS_ASSERT_REGCURLY; if (*s++ != '{') return FALSE; if (!isDIGIT(*s)) return FALSE; while (isDIGIT(*s)) s++; if (*s == ',') { s++; while (isDIGIT(*s)) s++; } return *s == '}'; } /* This is inline not for speed, but because it is so tiny */ PERL_STATIC_INLINE char* S_form_short_octal_warning(pTHX_ const char * const s, /* Points to first non-octal */ const STRLEN len /* Length of octals string, so (s-len) points to first octal */ ) { /* Return a character string consisting of a warning message for when a * string constant in octal is weird, like "\078". */ const char * sans_leading_zeros = s - len; PERL_ARGS_ASSERT_FORM_SHORT_OCTAL_WARNING; assert(*s == '8' || *s == '9'); /* Remove the leading zeros, retaining one zero so won't be zero length */ while (*sans_leading_zeros == '0') sans_leading_zeros++; if (sans_leading_zeros == s) { sans_leading_zeros--; } return Perl_form(aTHX_ "'%.*s' resolved to '\\o{%.*s}%c'", (int) (len + 2), s - len - 1, (int) (s - sans_leading_zeros), sans_leading_zeros, *s); } #endif /* PERL_DQUOTE_INLINE_H_ */