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app: fixup default values in the usage text

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In the usage output, the default config could be printed
as "(null)" and mem_size as "-1MB".

Change-Id: Ib6adc1ab86c43a40096d392bdfc64d3d508a86bc
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/432422
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Darek Stojaczyk 2018-11-08 14:12:07 +01:00 committed by Jim Harris
parent 6f5840d225
commit 70ef3d917f
1 changed files with 3 additions and 2 deletions
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5
lib/event/app.c
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@ -701,7 +701,8 @@ usage(void (*app_usage)(void))
{
printf("%s [options]\n", g_executable_name);
printf("options:\n");
printf(" -c, --config <config> config file (default %s)\n", g_default_opts.config_file);
printf(" -c, --config <config> config file (default %s)\n",
g_default_opts.config_file != NULL ? g_default_opts.config_file : "none");
printf(" -d, --limit-coredump do not set max coredump size to RLIM_INFINITY\n");
printf(" -e, --tpoint-group-mask <mask>\n");
printf(" tracepoint group mask for spdk trace buffers (default 0x0)\n");
@ -720,7 +721,7 @@ usage(void (*app_usage)(void))
} else
#endif
{
printf("%dMB)\n", g_default_opts.mem_size);
printf("%dMB)\n", g_default_opts.mem_size >= 0 ? g_default_opts.mem_size : 0);
}
printf(" --silence-noticelog disable notice level logging to stderr\n");
printf(" -u, --no-pci disable PCI access\n");