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make usage() easier to read

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None-continuous print out blocks are difficult.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2015-12-04 20:59:52 +00:00
parent bd45266f74
commit d6486e7730
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GPG key ID: A9553245FDE9B739
1 changed files with 39 additions and 43 deletions
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82
src/other.c
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@ -439,49 +439,45 @@ void __attribute__ ((__noreturn__)) print_version(void)
/*! \brief Command line help screen. */
void __attribute__ ((__noreturn__)) usage(int status)
{
FILE *out;
FILE *out = status == EXIT_SUCCESS ? stdout : stderr;
out = status != 0 ? stderr : stdout;
fprintf(out, "Usage: %s [OPTIONS]\n", program_name);
fputs( "\n", out);
fputs( "This is ISC dhcpd pools usage analyzer.\n", out);
fputs( "\n", out);
fputs( " -c, --config=FILE path to the dhcpd.conf file\n", out);
fputs( " -l, --leases=FILE path to the dhcpd.leases file\n", out);
fputs( " -f, --format=[thHcxXjJ] output format\n", out);
fputs( " t for text\n", out);
fputs( " H for full html page\n", out);
fputs( " x for xml\n", out);
fputs( " X for xml with active lease details\n", out);
fputs( " j for json\n", out);
fputs( " J for json with active lease details\n", out);
fputs( " c for comma separated values\n", out);
fputs( " -s, --sort=[nimcptTe] sort ranges by\n", out);
fputs( " n name\n", out);
fputs( " i IP\n", out);
fputs( " m maximum\n", out);
fputs( " c current\n", out);
fputs( " p percent\n", out);
fputs( " t touched\n", out);
fputs( " T t+c\n", out);
fputs( " e t+c perc\n", out);
fputs( " -r, --reverse reverse order sort\n", out);
fputs( " -o, --output=FILE output into a file\n", out);
fputs( " -L, --limit=NR output limit mask 77 - 00\n", out);
fputs( " --warning=PERC set warning alarming limit\n", out);
fputs( " --critical=PERC set critical alarming limit\n", out);
fputs( " --warn-count=NR a number of free leases before warning raised\n", out);
fputs( " --crit-count=NR a number of free leases before critical raised\n", out);
fputs( " --minsize=size disable alarms for small ranges and shared-nets\n", out);
fputs( " --snet-alarms suppress range alarms that are part of a shared-net\n", out);
fputs( " -v, --version output version information and exit\n", out);
fputs( " -h, --help display this help and exit\n", out);
fputs( "\n", out);
fprintf(out, "Report bugs to <%s>\n", PACKAGE_BUGREPORT);
fprintf(out, "Homepage: %s\n", PACKAGE_URL);
fprintf(out, "\
Usage: %s [OPTIONS]\n\n\
This is ISC dhcpd pools usage analyzer.\n\
\n", program_name);
fprintf(out, "\
-c, --config=FILE path to the dhcpd.conf file\n\
-l, --leases=FILE path to the dhcpd.leases file\n");
fprintf(out, "\
-f, --format=[thHcxXjJ] output format\n\
t for text\n\
H for full html page\n\
x for xml\n\
X for xml with active lease details\n\
j for json\n\
J for json with active lease details\n\
c for comma separated values\n");
fprintf(out, "\
-s, --sort=[nimcptTe] sort ranges by\n\
n name\n\
i IP\n\
m maximum\n\
c current\n\
p percent\n\
t touched\n\
T t+c\n\
e t+c perc\n\
-r, --reverse reverse order sort\n\
-o, --output=FILE output into a file\n\
-L, --limit=NR output limit mask 77 - 00\n");
fprintf(out, "\
--warning=PERC set warning alarming limit\n\
--critical=PERC set critical alarming limit\n\
--minsize=size disable alarms for small ranges and shared-nets\n");
fprintf(out, "\
-v, --version version information\n\
-h, --help this screen\n\
\n\
Report bugs to <%s>\n\
Homepage: %s\n", PACKAGE_BUGREPORT, PACKAGE_URL);
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
exit(status);
}