static bool false = 0;
-/*
- * Function Prototypes
- */
-static int Usage(const char *name);
-static void Preload(const char *filename);
-static int WriteSetting(const char *setting);
-static int ReadSetting(const char *setting);
-static int DisplayAll(const char *path, bool ShowTableUtil);
-
-
/*
* Globals...
*/
}
}
-/*
- * Main...
- *
- */
-int main(int argc, char **argv) {
- const char *me = (const char *)basename(argv[0]);
- bool SwitchesAllowed = true;
- bool WriteMode = false;
- int ReturnCode = 0;
- const char *preloadfile = DEFAULT_PRELOAD;
-
- PrintName = true;
- PrintNewline = true;
-
- if (argc < 2) {
- return Usage(me);
- } /* endif */
-
- argv++;
-
- for (; argv && *argv && **argv; argv++) {
- if (SwitchesAllowed && **argv == '-') { /* we have a switch */
- switch((*argv)[1]) {
- case 'b':
- /* This is "binary" format, which means more for BSD. */
- PrintNewline = false;
- /* FALL THROUGH */
- case 'n':
- PrintName = false;
- break;
- case 'w':
- SwitchesAllowed = false;
- WriteMode = true;
- break;
- case 'p':
- argv++;
- if (argv && *argv && **argv) {
- preloadfile = *argv;
- } /* endif */
-
- Preload(preloadfile);
- return(0);
- break;
- case 'a': /* string and integer values (for Linux, all of them) */
- case 'A': /* the above, including "opaques" (would be unprintable) */
- case 'X': /* the above, with opaques completly printed in hex */
- SwitchesAllowed = false;
- return DisplayAll(PROC_PATH, ((*argv)[1] == 'a') ? false : true);
- case 'h':
- case '?':
- return Usage(me);
- default:
- fprintf(stderr, ERR_UNKNOWN_PARAMETER, *argv);
- return Usage(me);
- } /* end switch */
- } else {
- SwitchesAllowed = false;
- if (WriteMode)
- ReturnCode = WriteSetting(*argv);
- else ReadSetting(*argv);
- } /* end if */
- } /* end for */
-
-return ReturnCode;
-} /* end main */
-
-
-
/*
/*
- * Preload the sysctl's from the conf file
- * - we parse the file and then reform it (strip out whitespace)
+ * Read a sysctl setting
*
*/
-static void Preload(const char *filename) {
+static int ReadSetting(const char *setting) {
+ int rc = 0;
+ char *tmpname, *outname;
+ char inbuf[1025];
+ const char *name = setting;
FILE *fp;
- char oneline[257];
- char buffer[257];
- char *t;
- int n = 0;
- char *name, *value;
- if (!filename || ((fp = fopen(filename, "r")) == NULL)) {
- fprintf(stderr, ERR_PRELOAD_FILE, filename);
- return;
+ if (!setting || !*setting) {
+ fprintf(stderr, ERR_INVALID_KEY, setting);
} /* endif */
- while (fgets(oneline, 256, fp)) {
- oneline[256] = 0;
- n++;
- t = StripLeadingAndTrailingSpaces(oneline);
+ /* used to open the file */
+ tmpname = malloc(strlen(name)+strlen(PROC_PATH)+1);
+ strcpy(tmpname, PROC_PATH);
+ strcat(tmpname, name);
+ slashdot(tmpname+strlen(PROC_PATH),'.','/'); /* change . to / */
- if (strlen(t) < 2)
- continue;
+ /* used to display the output */
+ outname = strdup(name);
+ slashdot(outname,'/','.'); /* change / to . */
- if (*t == '#' || *t == ';')
- continue;
+ fp = fopen(tmpname, "r");
- name = strtok(t, "=");
- if (!name || !*name) {
- fprintf(stderr, WARN_BAD_LINE, filename, n);
- continue;
- } /* endif */
+ if (!fp) {
+ switch(errno) {
+ case ENOENT:
+ fprintf(stderr, ERR_INVALID_KEY, outname);
+ break;
+ case EACCES:
+ fprintf(stderr, ERR_PERMISSION_DENIED, outname);
+ break;
+ default:
+ fprintf(stderr, ERR_UNKNOWN_READING, errno, outname);
+ break;
+ } /* end switch */
+ rc = -1;
+ } else {
+ while(fgets(inbuf, 1024, fp)) {
+ /* already has the \n in it */
+ if (PrintName) {
+ fprintf(stdout, "%s = %s", outname, inbuf);
+ } else {
+ if (!PrintNewline) {
+ char *nlptr = strchr(inbuf,'\n');
+ if(nlptr) *nlptr='\0';
+ }
+ fprintf(stdout, "%s", inbuf);
+ }
+ } /* endwhile */
+ fclose(fp);
+ } /* endif */
- StripLeadingAndTrailingSpaces(name);
+ free(tmpname);
+ free(outname);
+ return rc;
+} /* end ReadSetting() */
- value = strtok(NULL, "\n\r");
- if (!value || !*value) {
- fprintf(stderr, WARN_BAD_LINE, filename, n);
- continue;
- } /* endif */
- while ((*value == ' ' || *value == '\t') && *value != 0)
- value++;
- sprintf(buffer, "%s=%s", name, value);
- WriteSetting(buffer);
- } /* endwhile */
+/*
+ * Display all the sysctl settings
+ *
+ */
+static int DisplayAll(const char *path, bool ShowTableUtil) {
+ int rc = 0;
+ int rc2;
+ DIR *dp;
+ struct dirent *de;
+ char *tmpdir;
+ struct stat ts;
- fclose(fp);
-} /* end Preload() */
+ dp = opendir(path);
+
+ if (!dp) {
+ fprintf(stderr, ERR_OPENING_DIR, path);
+ rc = -1;
+ } else {
+ readdir(dp); readdir(dp); /* skip . and .. */
+ while (( de = readdir(dp) )) {
+ tmpdir = (char *)malloc(strlen(path)+strlen(de->d_name)+2);
+ sprintf(tmpdir, "%s%s", path, de->d_name);
+ rc2 = stat(tmpdir, &ts); /* should check this return code */
+ if (rc2 != 0) {
+ perror(tmpdir);
+ } else {
+ if (S_ISDIR(ts.st_mode)) {
+ strcat(tmpdir, "/");
+ DisplayAll(tmpdir, ShowTableUtil);
+ } else {
+ rc |= ReadSetting(tmpdir+strlen(PROC_PATH));
+ } /* endif */
+ } /* endif */
+ free(tmpdir);
+ } /* end while */
+ closedir(dp);
+ } /* endif */
+ return rc;
+} /* end DisplayAll() */
/*
/*
- * Read a sysctl setting
+ * Preload the sysctl's from the conf file
+ * - we parse the file and then reform it (strip out whitespace)
*
*/
-static int ReadSetting(const char *setting) {
- int rc = 0;
- char *tmpname, *outname;
- char inbuf[1025];
- const char *name = setting;
+static void Preload(const char *filename) {
FILE *fp;
+ char oneline[257];
+ char buffer[257];
+ char *t;
+ int n = 0;
+ char *name, *value;
- if (!setting || !*setting) {
- fprintf(stderr, ERR_INVALID_KEY, setting);
+ if (!filename || ((fp = fopen(filename, "r")) == NULL)) {
+ fprintf(stderr, ERR_PRELOAD_FILE, filename);
+ return;
} /* endif */
- /* used to open the file */
- tmpname = malloc(strlen(name)+strlen(PROC_PATH)+1);
- strcpy(tmpname, PROC_PATH);
- strcat(tmpname, name);
- slashdot(tmpname+strlen(PROC_PATH),'.','/'); /* change . to / */
+ while (fgets(oneline, 256, fp)) {
+ oneline[256] = 0;
+ n++;
+ t = StripLeadingAndTrailingSpaces(oneline);
- /* used to display the output */
- outname = strdup(name);
- slashdot(outname,'/','.'); /* change / to . */
+ if (strlen(t) < 2)
+ continue;
- fp = fopen(tmpname, "r");
+ if (*t == '#' || *t == ';')
+ continue;
- if (!fp) {
- switch(errno) {
- case ENOENT:
- fprintf(stderr, ERR_INVALID_KEY, outname);
- break;
- case EACCES:
- fprintf(stderr, ERR_PERMISSION_DENIED, outname);
- break;
- default:
- fprintf(stderr, ERR_UNKNOWN_READING, errno, outname);
- break;
- } /* end switch */
- rc = -1;
- } else {
- while(fgets(inbuf, 1024, fp)) {
- /* already has the \n in it */
- if (PrintName) {
- fprintf(stdout, "%s = %s", outname, inbuf);
- } else {
- if (!PrintNewline) {
- char *nlptr = strchr(inbuf,'\n');
- if(nlptr) *nlptr='\0';
- }
- fprintf(stdout, "%s", inbuf);
- }
- } /* endwhile */
- fclose(fp);
- } /* endif */
+ name = strtok(t, "=");
+ if (!name || !*name) {
+ fprintf(stderr, WARN_BAD_LINE, filename, n);
+ continue;
+ } /* endif */
- free(tmpname);
- free(outname);
- return rc;
-} /* end ReadSetting() */
+ StripLeadingAndTrailingSpaces(name);
+
+ value = strtok(NULL, "\n\r");
+ if (!value || !*value) {
+ fprintf(stderr, WARN_BAD_LINE, filename, n);
+ continue;
+ } /* endif */
+
+ while ((*value == ' ' || *value == '\t') && *value != 0)
+ value++;
+
+ sprintf(buffer, "%s=%s", name, value);
+ WriteSetting(buffer);
+ } /* endwhile */
+
+ fclose(fp);
+} /* end Preload() */
/*
- * Display all the sysctl settings
+ * Main...
*
*/
-static int DisplayAll(const char *path, bool ShowTableUtil) {
- int rc = 0;
- int rc2;
- DIR *dp;
- struct dirent *de;
- char *tmpdir;
- struct stat ts;
+int main(int argc, char **argv) {
+ const char *me = (const char *)basename(argv[0]);
+ bool SwitchesAllowed = true;
+ bool WriteMode = false;
+ int ReturnCode = 0;
+ const char *preloadfile = DEFAULT_PRELOAD;
- dp = opendir(path);
+ PrintName = true;
+ PrintNewline = true;
- if (!dp) {
- fprintf(stderr, ERR_OPENING_DIR, path);
- rc = -1;
- } else {
- readdir(dp); readdir(dp); /* skip . and .. */
- while (( de = readdir(dp) )) {
- tmpdir = (char *)malloc(strlen(path)+strlen(de->d_name)+2);
- sprintf(tmpdir, "%s%s", path, de->d_name);
- rc2 = stat(tmpdir, &ts); /* should check this return code */
- if (rc2 != 0) {
- perror(tmpdir);
- } else {
- if (S_ISDIR(ts.st_mode)) {
- strcat(tmpdir, "/");
- DisplayAll(tmpdir, ShowTableUtil);
- } else {
- rc |= ReadSetting(tmpdir+strlen(PROC_PATH));
- } /* endif */
- } /* endif */
- free(tmpdir);
- } /* end while */
- closedir(dp);
+ if (argc < 2) {
+ return Usage(me);
} /* endif */
- return rc;
-} /* end DisplayAll() */
+ argv++;
+
+ for (; argv && *argv && **argv; argv++) {
+ if (SwitchesAllowed && **argv == '-') { /* we have a switch */
+ switch((*argv)[1]) {
+ case 'b':
+ /* This is "binary" format, which means more for BSD. */
+ PrintNewline = false;
+ /* FALL THROUGH */
+ case 'n':
+ PrintName = false;
+ break;
+ case 'w':
+ SwitchesAllowed = false;
+ WriteMode = true;
+ break;
+ case 'p':
+ argv++;
+ if (argv && *argv && **argv) {
+ preloadfile = *argv;
+ } /* endif */
+
+ Preload(preloadfile);
+ return(0);
+ break;
+ case 'a': /* string and integer values (for Linux, all of them) */
+ case 'A': /* the above, including "opaques" (would be unprintable) */
+ case 'X': /* the above, with opaques completly printed in hex */
+ SwitchesAllowed = false;
+ return DisplayAll(PROC_PATH, ((*argv)[1] == 'a') ? false : true);
+ case 'h':
+ case '?':
+ return Usage(me);
+ default:
+ fprintf(stderr, ERR_UNKNOWN_PARAMETER, *argv);
+ return Usage(me);
+ } /* end switch */
+ } else {
+ SwitchesAllowed = false;
+ if (WriteMode)
+ ReturnCode = WriteSetting(*argv);
+ else ReadSetting(*argv);
+ } /* end if */
+ } /* end for */
+
+return ReturnCode;
+} /* end main */
+
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