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| author | Nicholas Clark <nick@ccl4.org> | 2000-10-23 16:39:32 +0100 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2000-10-24 18:59:48 +0000 |
| commit | a7ffa9b9a1a8caeff31a83d25b70b5aca6ba0d12 (patch) | |
| tree | 43180689a571f5dc8ed050ed33678a7d835c73b6 /vos | |
| parent | 1724fb8e7df982f0fd79fb192e0146e474675132 (diff) | |
| download | perl-a7ffa9b9a1a8caeff31a83d25b70b5aca6ba0d12.tar.gz | |
Check if stdio supports tweaking lval and cnt simultaneously.
Subject: PATCH (Re: PerlIO - Configure tweak for Linux/glibc?)
Message-ID: <20001023153932.A10786@plum.flirble.org>
p4raw-id: //depot/perl@7427
Diffstat (limited to 'vos')
| -rw-r--r-- | vos/config.def | 2 | ||||
| -rw-r--r-- | vos/config.h | 11 | ||||
| -rwxr-xr-x | vos/config_h.SH_orig | 11 |
3 files changed, 24 insertions, 0 deletions
diff --git a/vos/config.def b/vos/config.def index 4edc806b9c..0f67dee19a 100644 --- a/vos/config.def +++ b/vos/config.def @@ -238,6 +238,8 @@ $d_statfs_f_flags='undef' $d_statfs_s='undef' $d_stdio_cnt_lval='define' $d_stdio_ptr_lval='define' +$d_stdio_ptr_lval_sets_cnt='undef' +$d_stdio_ptr_lval_nochange_cnt='undef' $d_stdio_stream_array='define' $d_stdiobase='define' $d_stdstdio='define' diff --git a/vos/config.h b/vos/config.h index 985e6ea5bc..5c1e020e45 100644 --- a/vos/config.h +++ b/vos/config.h @@ -2024,12 +2024,23 @@ * This symbol is defined if the FILE_cnt macro can be used as an * lvalue. */ +/* STDIO_PTR_LVAL_SETS_CNT: + * This symbol is defined if using the FILE_ptr macro as an lvalue + * to increase the pointer by n has the side effect of decreasing the + * value of File_cnt(fp) by n. + */ +/* STDIO_PTR_LVAL_NOCHANGE_CNT: + * This symbol is defined if using the FILE_ptr macro as an lvalue + * to increase the pointer by n leaves File_cnt(fp) unchanged. + */ #define USE_STDIO_PTR /**/ #ifdef USE_STDIO_PTR #define FILE_ptr(fp) ((fp)->_ptr) #define STDIO_PTR_LVALUE /**/ #define FILE_cnt(fp) ((fp)->_cnt) #define STDIO_CNT_LVALUE /**/ +/*#define STDIO_PTR_LVAL_SETS_CNT /**/ +/*#define STDIO_PTR_LVAL_NOCHANGE_CNT /**/ #endif /* USE_STDIO_BASE: diff --git a/vos/config_h.SH_orig b/vos/config_h.SH_orig index a209e6d29f..e34d920718 100755 --- a/vos/config_h.SH_orig +++ b/vos/config_h.SH_orig @@ -2048,12 +2048,23 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un * This symbol is defined if the FILE_cnt macro can be used as an * lvalue. */ +/* STDIO_PTR_LVAL_SETS_CNT: + * This symbol is defined if using the FILE_ptr macro as an lvalue + * to increase the pointer by n has the side effect of decreasing the + * value of File_cnt(fp) by n. + */ +/* STDIO_PTR_LVAL_NOCHANGE_CNT: + * This symbol is defined if using the FILE_ptr macro as an lvalue + * to increase the pointer by n leaves File_cnt(fp) unchanged. + */ #$d_stdstdio USE_STDIO_PTR /**/ #ifdef USE_STDIO_PTR #define FILE_ptr(fp) $stdio_ptr #$d_stdio_ptr_lval STDIO_PTR_LVALUE /**/ #define FILE_cnt(fp) $stdio_cnt #$d_stdio_cnt_lval STDIO_CNT_LVALUE /**/ +#$d_stdio_ptr_lval_sets_cnt STDIO_PTR_LVAL_SETS_CNT /**/ +#$d_stdio_ptr_lval_nochange_cnt STDIO_PTR_LVAL_NOCHANGE_CNT /**/ #endif /* USE_STDIO_BASE: |