remove call_getopt, replace ssprintf with asprintf

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@155 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 76 insertions, 108 deletions

diff --git a/plugins/check_procs.c b/plugins/check_procs.c
index 9a3dc015..0b0a3c13 100644
--- a/plugins/check_procs.c
+++ b/plugins/check_procs.c
@@ -34,6 +34,17 @@
 *
 ******************************************************************************/
 
+#define PROGNAME "check_snmp"
+#define REVISION "$Revision$"
+#define COPYRIGHT "1999-2002"
+#define AUTHOR "Ethan Galstad"
+#define EMAIL "nagios@nagios.org"
+#define SUMMARY "Check the number of currently running processes and generates WARNING or\n\
+CRITICAL states if the process count is outside the specified threshold\n\
+ranges. The process count can be filtered by process owner, parent process\n\
+PID, current state (e.g., 'Z'), or may be the total number of running\n\
+processes\n"
+
 #include "config.h"
 #include <pwd.h>
 #include "common.h"
@@ -41,10 +52,9 @@
 #include "utils.h"
 
 int process_arguments (int, char **);
-int call_getopt (int, char **);
 int validate_arguments (void);
 void print_usage (void);
-void print_help (char *);
+void print_help (void);
 
 int wmax = -1;
 int cmax = -1;
@@ -65,7 +75,7 @@ int ppid;
 char *statopts = NULL;
 char *prog = NULL;
 char *args = NULL;
-char *format = NULL;
+char *fmt = NULL;
 char tmp[MAX_INPUT_BUFFER];
 
 int
@@ -188,29 +198,35 @@ main (int argc, char **argv)
         if (verbose && (options & USER))
                 printf ("%d ", uid);
 
-        if (cmax >= 0 && cmin >= 0 && cmax < cmin) {
+        if (wmax == -1 && cmax == -1 && wmin == -1 && cmin == -1) {
+                if (result == STATE_UNKNOWN)
+                        result = STATE_OK;
+                printf (fmt, "OK", procs);
+                return result;
+        }
+        else if (cmax >= 0 && cmin >= 0 && cmax < cmin) {
                 if (procs > cmax && procs < cmin) {
-                        printf (format, "CRITICAL", procs);
+                        printf (fmt, "CRITICAL", procs);
                         return STATE_CRITICAL;
                 }
         }
         else if (cmax >= 0 && procs > cmax) {
-                printf (format, "CRITICAL", procs);
+                printf (fmt, "CRITICAL", procs);
                 return STATE_CRITICAL;
         }
         else if (cmin >= 0 && procs < cmin) {
-                printf (format, "CRITICAL", procs);
+                printf (fmt, "CRITICAL", procs);
                 return STATE_CRITICAL;
         }
 
         if (wmax >= 0 && wmin >= 0 && wmax < wmin) {
                 if (procs > wmax && procs < wmin) {
-                        printf (format, "CRITICAL", procs);
+                        printf (fmt, "CRITICAL", procs);
                         return STATE_CRITICAL;
                 }
         }
         else if (wmax >= 0 && procs > wmax) {
-                printf (format, "WARNING", procs);
+                printf (fmt, "WARNING", procs);
                 if ( !(result == STATE_CRITICAL) ) {
                         return STATE_WARNING;
                 }
@@ -220,7 +236,7 @@ main (int argc, char **argv)
                 /*return max (result, STATE_WARNING); */
         }
         else if (wmin >= 0 && procs < wmin) {
-                printf (format, "WARNING", procs);
+                printf (fmt, "WARNING", procs);
                 if ( !(result == STATE_CRITICAL) ) {
                         return STATE_WARNING;
                 }
@@ -230,7 +246,7 @@ main (int argc, char **argv)
                 /*return max (result, STATE_WARNING); */
         }
 
-        printf (format, "OK", procs);
+        printf (fmt, "OK", procs);
         if ( result == STATE_UNKNOWN ) {
                 result = STATE_OK;
         }
@@ -241,39 +257,6 @@ main (int argc, char **argv)
 int
 process_arguments (int argc, char **argv)
 {
-        int c;
-
-        if (argc < 2)
-                return ERROR;
-
-        for (c = 1; c < argc; c++)
-                if (strcmp ("-to", argv[c]) == 0)
-                        strcpy (argv[c], "-t");
-
-        c = 0;
-        while (c += (call_getopt (argc - c, &argv[c]))) {
-                if (argc <= c)
-                        break;
-                if (wmax == -1)
-                        wmax = atoi (argv[c]);
-                else if (cmax == -1)
-                        cmax = atoi (argv[c]);
-                else if (statopts == NULL) {
-                        statopts = strscpy (statopts, argv[c]);
-                        format =
-                                strscat (format,
-                                                                 ssprintf (NULL, "%sSTATE = %s", (options ? ", " : ""),
-                                                                                                         statopts));
-                        options |= STAT;
-                }
-        }
-
-        return validate_arguments ();
-}
-
-int
-call_getopt (int argc, char **argv)
-{
         int c, i = 1;
         char *user;
         struct passwd *pw;
@@ -294,45 +277,35 @@ call_getopt (int argc, char **argv)
         };
 #endif
 
+        asprintf (&fmt, "");
+
+        for (c = 1; c < argc; c++)
+                if (strcmp ("-to", argv[c]) == 0)
+                        strcpy (argv[c], "-t");
+
         while (1) {
 #ifdef HAVE_GETOPT_H
-                c =
-                        getopt_long (argc, argv, "+Vvht:c:w:p:s:u:C:a:", long_options,
-                                                                         &option_index);
+                c =     getopt_long (argc, argv, "Vvht:c:w:p:s:u:C:a:", long_options, &option_index);
 #else
-                c = getopt (argc, argv, "+Vvht:c:w:p:s:u:C:a:");
+                c = getopt (argc, argv, "Vvht:c:w:p:s:u:C:a:");
 #endif
-
-                if (c == EOF)
+                if (c == -1 || c == EOF)
                         break;
 
-                i++;
-                switch (c) {
-                case 't':
-                case 'c':
-                case 'w':
-                case 'p':
-                case 's':
-                case 'a':
-                case 'u':
-                case 'C':
-                        i++;
-                }
-
                 switch (c) {
                 case '?':                                                                       /* help */
                         print_usage ();
                         exit (STATE_UNKNOWN);
                 case 'h':                                                                       /* help */
-                        print_help (my_basename (argv[0]));
+                        print_help ();
                         exit (STATE_OK);
                 case 'V':                                                                       /* version */
-                        print_revision (my_basename (argv[0]), "$Revision$");
+                        print_revision (PROGNAME, REVISION);
                         exit (STATE_OK);
                 case 't':                                                                       /* timeout period */
                         if (!is_integer (optarg)) {
                                 printf ("%s: Timeout Interval must be an integer!\n\n",
-                                                                my_basename (argv[0]));
+                                        my_basename (argv[0]));
                                 print_usage ();
                                 exit (STATE_UNKNOWN);
                         }
@@ -354,7 +327,7 @@ call_getopt (int argc, char **argv)
                         }
                         else {
                                 printf ("%s: Critical Process Count must be an integer!\n\n",
-                                                                my_basename (argv[0]));
+                                        my_basename (argv[0]));
                                 print_usage ();
                                 exit (STATE_UNKNOWN);
                         }
@@ -374,29 +347,23 @@ call_getopt (int argc, char **argv)
                         }
                         else {
                                 printf ("%s: Warning Process Count must be an integer!\n\n",
-                                                                my_basename (argv[0]));
+                                        my_basename (argv[0]));
                                 print_usage ();
                                 exit (STATE_UNKNOWN);
                         }
                 case 'p':                                                                       /* process id */
                         if (sscanf (optarg, "%d%[^0-9]", &ppid, tmp) == 1) {
-                                format =
-                                        strscat (format,
-                                                                         ssprintf (NULL, "%sPPID = %d", (options ? ", " : ""),
-                                                                                                                 ppid));
+                                asprintf (&fmt, "%s%sPPID = %d", (options ? ", " : ""), ppid);
                                 options |= PPID;
                                 break;
                         }
                         printf ("%s: Parent Process ID must be an integer!\n\n",
-                                                        my_basename (argv[0]));
+                                my_basename (argv[0]));
                         print_usage ();
                         exit (STATE_UNKNOWN);
                 case 's':                                                                       /* status */
-                        statopts = strscpy (statopts, optarg);
-                        format =
-                                strscat (format,
-                                                                 ssprintf (NULL, "%sSTATE = %s", (options ? ", " : ""),
-                                                                                                         statopts));
+                        asprintf (&statopts, "%s", optarg);
+                        asprintf (&fmt, "%s%sSTATE = %s", fmt, (options ? ", " : ""), statopts);
                         options |= STAT;
                         break;
                 case 'u':                                                                       /* user or user id */
@@ -422,25 +389,19 @@ call_getopt (int argc, char **argv)
                                 uid = pw->pw_uid;
                         }
                         user = pw->pw_name;
-                        format =
-                                strscat (format,
-                                                                 ssprintf (NULL, "%sUID = %d (%s)", (options ? ", " : ""),
-                                                                                                         uid, user));
+                        asprintf (&fmt, "%s%sUID = %d (%s)", (options ? ", " : ""), fmt,
+                                  uid, user);
                         options |= USER;
                         break;
                 case 'C':                                                                       /* command */
-                        prog = strscpy (prog, optarg);
-                        format =
-                                strscat (format,
-                                                                 ssprintf (NULL, "%scommand name %s", (options ? ", " : ""),
-                                                                                                         prog));
+                        asprintf (&prog, "%s", optarg);
+                        asprintf (&fmt, "%s%scommand name %s", fmt, (options ? ", " : ""),
+                                  prog);
                         options |= PROG;
                         break;
                 case 'a':                                                                       /* args (full path name with args) */
-                        args = strscpy (args, optarg);
-                        format =
-                                strscat (format,
-                                                                 ssprintf (NULL, "%sargs %s", (options ? ", " : ""), args));
+                        asprintf (&args, "%s", optarg);
+                        asprintf (&fmt, "%s%sargs %s", fmt, (options ? ", " : ""), args);
                         options |= ARGS;
                         break;
                 case 'v':                                                                       /* command */
@@ -448,7 +409,19 @@ call_getopt (int argc, char **argv)
                         break;
                 }
         }
-        return i;
+
+        c = optind;
+        if (wmax == -1 && argv[c])
+                wmax = atoi (argv[c++]);
+        if (cmax == -1 && argv[c])
+                cmax = atoi (argv[c++]);
+        if (statopts == NULL && argv[c]) {
+                asprintf (&statopts, "%s", argv[c++]);
+                asprintf (&fmt, "%s%sSTATE = %s", fmt, (options ? ", " : ""), statopts);
+                options |= STAT;
+        }
+
+        return validate_arguments ();
 }
 
 
@@ -456,7 +429,7 @@ int
 validate_arguments ()
 {
 
-        if (wmax >= 0 && wmin == -1)
+if (wmax >= 0 && wmin == -1)
                 wmin = 0;
         if (cmax >= 0 && cmin == -1)
                 cmin = 0;
@@ -471,18 +444,17 @@ validate_arguments ()
                 }
         }
 
-        if (wmax == -1 && cmax == -1 && wmin == -1 && cmin == -1) {
-                printf ("At least one threshold must be set\n");
-                return ERROR;
-        }
+/*      if (wmax == -1 && cmax == -1 && wmin == -1 && cmin == -1) { */
+/*              printf ("At least one threshold must be set\n"); */
+/*              return ERROR; */
+/*      } */
 
         if (options == 0) {
                 options = 1;
-                format = ssprintf (format, "%%s - %%d processes running\n");
+                asprintf (&fmt, "%%s - %%d processes running\n");
         }
         else {
-                format =
-                        ssprintf (format, "%%s - %%d processes running with %s\n", format);
+                asprintf (&fmt, "%%s - %%d processes running with %s\n", fmt);
         }
 
         return options;
@@ -490,16 +462,12 @@ validate_arguments ()
 
 
 void
-print_help (char *cmd)
+print_help (void)
 {
-        print_revision (cmd, "$Revision$");
+        print_revision (PROGNAME, REVISION);
         printf
-                ("Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)\n\n"
-                 "This plugin checks the number of currently running processes and\n"
-                 "generates WARNING or CRITICAL states if the process count is outside\n"
-                 "the specified threshold ranges. The process count can be filtered by\n"
-                 "process owner, parent process PID, current state (e.g., 'Z'), or may\n"
-                 "be the total number of running processes\n\n");
+                ("Copyright (c) %s %s <%s>\n\n%s\n",
+                 COPYRIGHT, AUTHOR, EMAIL, SUMMARY);
         print_usage ();
         printf
                 ("\nRequired Arguments:\n"