Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 03/27] tools lib subcmd: Support overwriting the pager | Date | Mon, 24 Sep 2018 12:02:18 -0300 |
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From: Andi Kleen <ak@linux.intel.com>
Add an interface to the auto pager code that allows callers to overwrite the pager.
Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Kim Phillips <kim.phillips@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20180918123214.26728-3-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/lib/subcmd/pager.c | 11 ++++++++++- tools/lib/subcmd/pager.h | 1 + 2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/tools/lib/subcmd/pager.c b/tools/lib/subcmd/pager.c index 9997a8805a82..e3d47b59b14d 100644 --- a/tools/lib/subcmd/pager.c +++ b/tools/lib/subcmd/pager.c @@ -23,6 +23,13 @@ void pager_init(const char *pager_env) subcmd_config.pager_env = pager_env; } +static const char *forced_pager; + +void force_pager(const char *pager) +{ + forced_pager = pager; +} + static void pager_preexec(void) { /* @@ -66,7 +73,9 @@ void setup_pager(void) const char *pager = getenv(subcmd_config.pager_env); struct winsize sz; - if (!isatty(1)) + if (forced_pager) + pager = forced_pager; + if (!isatty(1) && !forced_pager) return; if (ioctl(1, TIOCGWINSZ, &sz) == 0) pager_columns = sz.ws_col; diff --git a/tools/lib/subcmd/pager.h b/tools/lib/subcmd/pager.h index f1a53cf29880..a818964693ab 100644 --- a/tools/lib/subcmd/pager.h +++ b/tools/lib/subcmd/pager.h @@ -7,5 +7,6 @@ extern void pager_init(const char *pager_env); extern void setup_pager(void); extern int pager_in_use(void); extern int pager_get_columns(void); +extern void force_pager(const char *); #endif /* __SUBCMD_PAGER_H */ -- 2.14.4
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