diff options
| -rw-r--r-- | perlsdio.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/perlsdio.h b/perlsdio.h index ff32cdd8e2..c3714410d6 100644 --- a/perlsdio.h +++ b/perlsdio.h @@ -24,7 +24,17 @@ #define PerlIO_close(f) fclose(f) #define PerlIO_puts(f,s) fputs(s,f) #define PerlIO_putc(f,c) fputc(c,f) -#define PerlIO_ungetc(f,c) ungetc(c,f) +#if defined(VMS) && defined(__DECC) + /* Unusual definition of ungetc() here to accomodate fast_sv_gets()' + * belief that it can mix getc/ungetc with reads from stdio buffer */ + int decc$ungetc(int __c, FILE *__stream); +# define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \ + ((*(f) && !((*(f))->_flag & _IONBF) && \ + ((*(f))->_ptr > (*(f))->_base)) ? \ + ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f))) +#else +# define PerlIO_ungetc(f,c) ungetc(c,f) +#endif #define PerlIO_getc(f) getc(f) #define PerlIO_eof(f) feof(f) #define PerlIO_getname(f,b) fgetname(f,b) @@ -142,6 +152,8 @@ #undef setvbuf #undef fscanf #undef fgets +#undef getc_unlocked +#undef putc_unlocked #define fprintf _CANNOT _fprintf_ #define stdin _CANNOT _stdin_ #define stdout _CANNOT _stdout_ |