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perf tools: Remove some needless die() calls from the main routine

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Some would just call exit() anyway right after calling die() and the
main routine doesn't have to call it, just return the exit value.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-nzq0sdur6oq6lgkt2ipf4o8s@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-01-24 15:18:54 -03:00
parent ab1bf65322
commit 2a16bf8c13
1 changed files with 21 additions and 11 deletions
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32
tools/perf/perf.c
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@ -328,14 +328,23 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode))
return 0;
status = 1;
/* Check for ENOSPC and EIO errors.. */
if (fflush(stdout))
die("write failure on standard output: %s", strerror(errno));
if (ferror(stdout))
die("unknown write failure on standard output");
if (fclose(stdout))
die("close failed on standard output: %s", strerror(errno));
return 0;
if (fflush(stdout)) {
fprintf(stderr, "write failure on standard output: %s", strerror(errno));
goto out;
}
if (ferror(stdout)) {
fprintf(stderr, "unknown write failure on standard output");
goto out;
}
if (fclose(stdout)) {
fprintf(stderr, "close failed on standard output: %s", strerror(errno));
goto out;
}
status = 0;
out:
return status;
}
static void handle_internal_command(int argc, const char **argv)
@ -467,7 +476,8 @@ int main(int argc, const char **argv)
cmd += 5;
argv[0] = cmd;
handle_internal_command(argc, argv);
die("cannot handle %s internally", cmd);
fprintf(stderr, "cannot handle %s internally", cmd);
goto out;
}
/* Look for flags.. */
@ -485,7 +495,7 @@ int main(int argc, const char **argv)
printf("\n usage: %s\n\n", perf_usage_string);
list_common_cmds_help();
printf("\n %s\n\n", perf_more_info_string);
exit(1);
goto out;
}
cmd = argv[0];
@ -517,7 +527,7 @@ int main(int argc, const char **argv)
fprintf(stderr, "Expansion of alias '%s' failed; "
"'%s' is not a perf-command\n",
cmd, argv[0]);
exit(1);
goto out;
}
if (!done_help) {
cmd = argv[0] = help_unknown_cmd(cmd);
@ -528,6 +538,6 @@ int main(int argc, const char **argv)
fprintf(stderr, "Failed to run command '%s': %s\n",
cmd, strerror(errno));
out:
return 1;
}