diff options
author | Jiri Kosina <jkosina@suse.cz> | 2014-11-20 14:42:02 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2014-11-20 14:42:02 +0100 |
commit | a02001086bbfb4da35d1228bebc2f1b442db455f (patch) | |
tree | 62ab47936cef06fd08657ca5b6cd1df98c19be57 /tools/perf/builtin-help.c | |
parent | eff264efeeb0898408e8c9df72d8a32621035bed (diff) | |
parent | fc14f9c1272f62c3e8d01300f52467c0d9af50f9 (diff) |
Merge Linus' tree to be be to apply submitted patches to newer code than
current trivial.git base
Diffstat (limited to 'tools/perf/builtin-help.c')
-rw-r--r-- | tools/perf/builtin-help.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c index 0384d930480..25d20628212 100644 --- a/tools/perf/builtin-help.c +++ b/tools/perf/builtin-help.c @@ -103,6 +103,8 @@ static int check_emacsclient_version(void) static void exec_woman_emacs(const char *path, const char *page) { + char sbuf[STRERR_BUFSIZE]; + if (!check_emacsclient_version()) { /* This works only with emacsclient version >= 22. */ struct strbuf man_page = STRBUF_INIT; @@ -111,16 +113,19 @@ static void exec_woman_emacs(const char *path, const char *page) path = "emacsclient"; strbuf_addf(&man_page, "(woman \"%s\")", page); execlp(path, "emacsclient", "-e", man_page.buf, NULL); - warning("failed to exec '%s': %s", path, strerror(errno)); + warning("failed to exec '%s': %s", path, + strerror_r(errno, sbuf, sizeof(sbuf))); } } static void exec_man_konqueror(const char *path, const char *page) { const char *display = getenv("DISPLAY"); + if (display && *display) { struct strbuf man_page = STRBUF_INIT; const char *filename = "kfmclient"; + char sbuf[STRERR_BUFSIZE]; /* It's simpler to launch konqueror using kfmclient. */ if (path) { @@ -139,24 +144,31 @@ static void exec_man_konqueror(const char *path, const char *page) path = "kfmclient"; strbuf_addf(&man_page, "man:%s(1)", page); execlp(path, filename, "newTab", man_page.buf, NULL); - warning("failed to exec '%s': %s", path, strerror(errno)); + warning("failed to exec '%s': %s", path, + strerror_r(errno, sbuf, sizeof(sbuf))); } } static void exec_man_man(const char *path, const char *page) { + char sbuf[STRERR_BUFSIZE]; + if (!path) path = "man"; execlp(path, "man", page, NULL); - warning("failed to exec '%s': %s", path, strerror(errno)); + warning("failed to exec '%s': %s", path, + strerror_r(errno, sbuf, sizeof(sbuf))); } static void exec_man_cmd(const char *cmd, const char *page) { struct strbuf shell_cmd = STRBUF_INIT; + char sbuf[STRERR_BUFSIZE]; + strbuf_addf(&shell_cmd, "%s %s", cmd, page); execl("/bin/sh", "sh", "-c", shell_cmd.buf, NULL); - warning("failed to exec '%s': %s", cmd, strerror(errno)); + warning("failed to exec '%s': %s", cmd, + strerror_r(errno, sbuf, sizeof(sbuf))); } static void add_man_viewer(const char *name) |