vp-build/srcpkgs/procps/patches/pgrep_c_option.patch

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Description: c option for pgrep for counting number of matched proceesses
Author: Craig Small <csmall@debian.org>
Bug-Debian: http://bugs.debian.org/375791
Index: b/pgrep.1
===================================================================
--- a/pgrep.1 2009-11-24 20:53:02.000000000 +1100
+++ b/pgrep.1 2009-11-24 21:00:45.000000000 +1100
@@ -7,7 +7,7 @@
pgrep, pkill \- look up or signal processes based on name and other attributes
.SH SYNOPSIS
-pgrep [\-flvx] [\-d \fIdelimiter\fP] [\-n|\-o] [\-P \fIppid\fP,...] [\-g \fIpgrp\fP,...]
+pgrep [\-cflvx] [\-d \fIdelimiter\fP] [\-n|\-o] [\-P \fIppid\fP,...] [\-g \fIpgrp\fP,...]
.br
[\-s \fIsid\fP,...] [\-u \fIeuid\fP,...] [\-U \fIuid\fP,...] [\-G \fIgid\fP,...]
.br
@@ -38,6 +38,9 @@
.SH OPTIONS
.TP
+\-c
+Suppress normal output; instead print a count of matching processes.
+.TP
\-d \fIdelimiter\fP
Sets the string used to delimit each process ID in the output (by
default a newline). (\fBpgrep\fP only.)
Index: b/pgrep.c
===================================================================
--- a/pgrep.c 2009-11-24 21:00:41.000000000 +1100
+++ b/pgrep.c 2009-11-24 21:00:45.000000000 +1100
@@ -54,6 +54,7 @@
static int opt_newest = 0;
static int opt_negate = 0;
static int opt_exact = 0;
+static int opt_count = 0;
static int opt_signal = SIGTERM;
static int opt_lock = 0;
static int opt_case = 0;
@@ -79,7 +80,7 @@
if (i_am_pkill)
fprintf (fp, "Usage: pkill [-SIGNAL] [-fvx] ");
else
- fprintf (fp, "Usage: pgrep [-flvx] [-d DELIM] ");
+ fprintf (fp, "Usage: pgrep [-cflvx] [-d DELIM] ");
fprintf (fp, "[-n|-o] [-P PPIDLIST] [-g PGRPLIST] [-s SIDLIST]\n"
"\t[-u EUIDLIST] [-U UIDLIST] [-G GIDLIST] [-t TERMLIST] "
"[PATTERN]\n");
@@ -565,7 +566,7 @@
strcat (opts, "ld:");
}
- strcat (opts, "LF:fnovxP:g:s:u:U:G:t:?V");
+ strcat (opts, "LF:cfnovxP:g:s:u:U:G:t:?V");
while ((opt = getopt (argc, argv, opts)) != -1) {
switch (opt) {
@@ -613,6 +614,9 @@
exit(EXIT_SUCCESS);
// case 'c': // Solaris: match by contract ID
// break;
+ case 'c':
+ opt_count = 1;
+ break;
case 'd': // Solaris: change the delimiter
opt_delim = strdup (optarg);
break;
@@ -724,10 +728,14 @@
procs[i].num, strerror (errno));
}
} else {
- if (opt_long)
- output_strlist(procs,num);
- else
- output_numlist(procs,num);
+ if (opt_count) {
+ fprintf(stdout, "%ld\n", num);
+ } else {
+ if (opt_long)
+ output_strlist (procs,num);
+ else
+ output_numlist (procs,num);
+ }
}
return !num; // exit(EXIT_SUCCESS) if match, otherwise exit(EXIT_FAILURE)
}