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sysutils.c
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/* G.P.Gippert Aug 5 1999 [email protected] */
/* G.P.Gippert Jan 12 2000 [email protected] - ANSI standard */
/* G.P.Gippert Mar 27 2001 [email protected] - SWXOR parameter type */
/* M. Nielsen April 2002 [email protected] */
#include <stdio.h>
#include "utils.h"
#include <sys/types.h>
#include <time.h>
#include <stdlib.h>
time_t time();
char *ctime();
char *tdate(char *date)
/* See man ctime */
{
time_t t;
WORD temp;
t = time(NULL);
sprintf(temp, "%s", ctime(&t));
sscanf(temp, "%[^\n]", date);
return (date);
}
char *envir(char *var, char *buf)
/* See man getenv command */
{
char *wp;
if ((wp = getenv(var)) == NULL)
strcpy(buf, "unknown");
else
strcpy(buf, wp);
return (buf);
}
#include <sys/utsname.h>
#include <sys/stat.h>
struct utsname host_info;
struct stat buf;
#define SYSEXIT 2
void sysinfo(int argc, char *argv[])
{
int i;
LINE user, date, pwd;
if ((uname(&host_info)) < 0) {
fprintf(stderr, "uname error. Exiting...\n");
exit(SYSEXIT);
}
printf("#");
for (i = 0; i < argc; i++)
printf(" %s", argv[i]);
printf("\n");
printf("# %s\n", tdate(date));
printf("# User: %s\n", envir("USER", user));
printf("# PWD : %s\n", envir("PWD", pwd));
printf("# Host: %s %s %s %s\n",
host_info.sysname,
host_info.nodename, host_info.release, host_info.machine);
}
#define PMATCH( dp, cp ) ( strlen(dp) == strlen(cp) && strcmp(dp,cp) == 0 )
void param_init(PARAM param[])
{
PARAM *pp, *qq;
if ( !param )
return;
/* check for conflicts in parameter naming */
for ( pp = param; (pp + 1)->p_name != NULL; pp++ )
for ( qq = pp + 1; qq->p_name != NULL; qq++ )
if (PMATCH(pp->p_name, qq->p_name)) {
printf("parameter collision: %s %s\n",
pp->p_name, qq->p_name);
exit(0);
}
/* initialize parameter values */
for ( pp = param; pp->p_name != NULL; pp++ ) {
switch (pp->p_type) {
case PTYPE_SWITCH:
sscanf(pp->p_init, "%d", (int *) (pp->p_addr));
break;
case PTYPE_INT:
sscanf(pp->p_init, "%d", (int *) (pp->p_addr));
break;
case PTYPE_FLOAT:
sscanf(pp->p_init, "%f", (float *) (pp->p_addr));
break;
case PTYPE_LONG:
sscanf(pp->p_init, "%ld", (long *) (pp->p_addr));
break;
case PTYPE_DOUBLE:
sscanf(pp->p_init, "%lf", (double *) (pp->p_addr));
break;
case PTYPE_CHAR:
sscanf(pp->p_init, "%c", (char *) (pp->p_addr));
break;
case PTYPE_STRING:
sscanf(pp->p_init, "%s", pp->p_addr);
break;
case PTYPE_FILENAME:
sscanf(pp->p_init, "%s", pp->p_addr);
break;
case PTYPE_LINE:
sscanf(pp->p_init, "%s", pp->p_addr);
break;
default:
printf("Parameter type undefined! %s %d %s\n",
pp->p_name, pp->p_type, pp->p_desc);
exit(1);
/* break; */
}
}
}
int param_env(PARAM param[])
{
PARAM *pp;
FILENAME filename;
for (pp = param; pp->p_name != NULL; pp++) {
if (pp->p_type == PTYPE_STRING || pp->p_type == PTYPE_FILENAME) {
strcpy(pp->p_addr, xenvfile(pp->p_addr, filename));
}
}
return (1);
}
void pprint( PARAM param[] )
{
PARAM *pp;
WORD temp;
if ( !param )
return;
param_env(param);
printf( "# Command line parameters set to:\n" );
for ( pp = param; pp->p_name != NULL; pp++ ) {
switch (pp->p_type) {
case PTYPE_SWITCH:
sprintf(temp, "[%s]", pp->p_name);
printf("#\t%-20s %-20d %s\n",
temp, *((int *) pp->p_addr), pp->p_desc);
break;
case PTYPE_INT:
sprintf(temp, "[%s int]", pp->p_name);
printf("#\t%-20s %-20d %s\n",
temp, *((int *) pp->p_addr), pp->p_desc);
break;
case PTYPE_FLOAT:
sprintf(temp, "[%s float]", pp->p_name);
printf("#\t%-20s %-20f %s\n",
temp, *((float *) pp->p_addr), pp->p_desc);
break;
case PTYPE_LONG:
sprintf(temp, "[%s long]", pp->p_name);
printf("#\t%-20s %-20ld %s\n",
temp, *((long *) pp->p_addr), pp->p_desc);
break;
case PTYPE_DOUBLE:
sprintf(temp, "[%s double]", pp->p_name);
printf("#\t%-20s %-20lf %s\n",
temp, *((double *) pp->p_addr),
pp->p_desc);
break;
case PTYPE_CHAR:
sprintf(temp, "[%s char]", pp->p_name);
printf("#\t%-20s %c %s\n",
temp, *((char *) pp->p_addr), pp->p_desc);
break;
case PTYPE_STRING:
sprintf(temp, "[%s string]", pp->p_name);
printf("#\t%-20s %-20s %s\n",
temp, pp->p_addr, pp->p_desc);
break;
case PTYPE_FILENAME:
sprintf(temp, "[%s filename]", pp->p_name);
printf("#\t%-20s %-20s %s\n",
temp, pp->p_addr, pp->p_desc);
break;
case PTYPE_LINE:
sprintf(temp, "[%s line]", pp->p_name);
printf("#\t%-20s %-20s %s\n",
temp, pp->p_addr, pp->p_desc);
break;
}
}
}
void usage( PARAM param[] )
{
PARAM *pp;
WORD temp;
printf("\n");
printf("\t%-20s %-20s %s\n",
"PARAMETER", "DEFAULT VALUE", "DESCRIPTION");
for ( pp = param; pp->p_name != NULL; pp++ ) {
switch (pp->p_type) {
case PTYPE_SWITCH:
sprintf(temp, "[%s]", pp->p_name);
printf("\t%-20s %-20d %s\n",
temp, *((int *) pp->p_addr), pp->p_desc);
break;
case PTYPE_INT:
sprintf(temp, "[%s int]", pp->p_name);
printf("\t%-20s %-20d %s\n",
temp, *((int *) pp->p_addr), pp->p_desc);
break;
case PTYPE_FLOAT:
sprintf(temp, "[%s float]", pp->p_name);
printf("\t%-20s %-20f %s\n",
temp, *((float *) pp->p_addr), pp->p_desc);
break;
case PTYPE_LONG:
sprintf(temp, "[%s long]", pp->p_name);
printf("\t%-20s %-20ld %s\n",
temp, *((long *) pp->p_addr), pp->p_desc);
break;
case PTYPE_DOUBLE:
sprintf(temp, "[%s double]", pp->p_name);
printf("\t%-20s %-20lf %s\n",
temp, *((double *) pp->p_addr),
pp->p_desc);
break;
case PTYPE_CHAR:
sprintf(temp, "[%s char]", pp->p_name);
printf("\t%-20s %c %s\n",
temp, *((char *) pp->p_addr), pp->p_desc);
break;
case PTYPE_STRING:
sprintf(temp, "[%s string]", pp->p_name);
printf("\t%-20s %-20s %s\n",
temp, pp->p_addr, pp->p_desc);
break;
case PTYPE_FILENAME:
sprintf(temp, "[%s filename]", pp->p_name);
printf("\t%-20s %-20s %s\n",
temp, pp->p_addr, pp->p_desc);
break;
case PTYPE_LINE:
sprintf(temp, "[%s filename]", pp->p_name);
printf("\t%-20s %-20s %s\n",
temp, pp->p_addr, pp->p_desc);
break;
}
}
}
#define PARAMFORMAT "%-10s%-32s %s\n"
int clparse_mn( int *argc, char **argv[], PARAM param[], int verbose )
{
int found;
PARAM *pp;
int narg,i, np;
char **tmp;
char **new_argv;
/* *argc is a pointert to argc (the number of arguments on command line */
/* **argv is a pointer to the array *argv that contains the command line
parameters. *argv[0] is the executable **argv[0] is the first character of the
executable */
/* Command line options must begin with a "-" and have letters as first
character */
if ( ! param )
return (1);
narg = 0;
tmp = cmatrix( 0, *argc, 0, LINESIZE );
np = *argc;
strcpy( tmp[0], **argv );
while ( --*argc > 0 ) {
**argv = *++*argv;
if ( (**argv)[0] != '-' ) {
narg++;
strcpy( tmp[narg], **argv);
continue;
}
if (strncmp((**argv), "--", 2) == 0) {
narg++;
strcpy( tmp[narg], **argv);
continue; /* stdin/stdout is used as filename */
}
/* break if parameter not alphabetic in position 1
(superset of "--" check above) */
if (strlen((**argv)) > 1 && !(
((**argv)[1] >= 'A' && (**argv)[1] <= 'Z') ||
((**argv)[1] >= 'a' && (**argv)[1] <= 'z'))) {
if (verbose)
printf("# clparse break at %c %d\n",
(**argv)[1], (**argv)[1]);
break;
}
found = 0;
#define CAUTION "Caution, multiple occurrences of parameter %s on command line.\n"
for ( pp = param; pp->p_name; pp++ )
if (PMATCH(pp->p_name, (**argv))) {
if (pp->p_selc)
printf( CAUTION, pp->p_name );
switch (pp->p_type) {
case PTYPE_SWITCH:
TOGGLE(*((int *) pp->p_addr));
found = 1;
if (verbose)
printf("# %-8s %-20d %s\n",
pp->p_name,
*((int *) pp-> p_addr),
pp->p_desc);
break;
case PTYPE_INT:
found = (--*argc > 0
&& sscanf((*++*argv), "%d", (int *) (pp-> p_addr)) == 1);
if (verbose)
printf("# %-8s %-20d %s\n",
pp->p_name,
*((int *) pp-> p_addr),
pp->p_desc);
break;
case PTYPE_FLOAT:
found = (--*argc > 0
&& sscanf((*++*argv), "%f", (float *) (pp-> p_addr)) == 1);
if (verbose)
printf("# %-8s %-20f %s\n",
pp->p_name,
*((float *) pp-> p_addr),
pp->p_desc);
break;
case PTYPE_LONG:
found = (--*argc > 0
&& sscanf((*++*argv), "%ld", (long *) (pp-> p_addr)) == 1);
if (verbose)
printf("# %-8s %-20ld %s\n", pp->p_name, *((long *) pp->p_addr), pp->p_desc);
break;
case PTYPE_DOUBLE:
found = (--*argc > 0
&& sscanf((*++*argv), "%lf", (double *) (pp-> p_addr)) == 1);
if (verbose)
printf("# %-8s %-20f %s\n",
pp->p_name,
*((double *) pp-> p_addr),
pp->p_desc);
break;
case PTYPE_CHAR:
found = (--*argc > 0
&& sscanf((*++*argv), "%c", (char *) pp-> p_addr) == 1);
if (verbose)
printf("# %-8s %c %s\n", pp->p_name, *((char *) pp->p_addr), pp->p_desc);
break;
case PTYPE_STRING:
if ( --*argc <= 0 ) {
printf( "Error. PTYPE_STRING insufficient arguments for option %s\n", pp->p_name );
exit( 1 );
}
if ( strlen( *++*argv ) >= WORDSIZE ) {
printf( "Error. PTYPE_STRING parameter option %s too long. Max size %i\n", pp->p_name, WORDSIZE );
exit( 1 );
}
found = ( sscanf((**argv), "%s", pp->p_addr) == 1);
if (verbose)
printf("# %-8s %-20s %s\n",
pp->p_name,
pp->p_addr,
pp->p_desc);
break;
case PTYPE_FILENAME:
if ( --*argc <= 0 ) {
printf( "Error. PTYPE_STRING insufficient arguments for option %s\n", pp->p_name );
exit( 1 );
}
if ( strlen( *++*argv ) >= FILENAMESIZE ) {
printf( "Error. PTYPE_FILENAME parameter option %s too long. Maz size %i\n", pp->p_name, FILENAMESIZE );
exit( 1 );
}
found = ( sscanf((**argv), "%s", pp->p_addr) == 1);
if (verbose)
printf("# %-8s %-20s %s\n",
pp->p_name,
pp->p_addr,
pp->p_desc);
break;
case PTYPE_LINE:
if ( --*argc <= 0 ) {
printf( "Error. PTYPE_LINE insufficient arguments for option %s\n", pp->p_name );
exit( 1 );
}
if ( strlen( *++*argv ) >= LINESIZE ) {
printf( "Error. PTYPE_LINE parameter option %s too long. Max size %i\n", pp->p_name, LINESIZE );
exit( 1 );
}
found = ( sscanf((**argv), "%s", pp->p_addr) == 1);
if (verbose)
printf("# %-8s %-20s %s\n",
pp->p_name,
pp->p_addr,
pp->p_desc);
break;
}
/* mark selected */
pp->p_selc = 1;
}
if (!found) {
printf("Unrecognized parameter: %s\n", (**argv));
return (0);
}
}
/* Now **argv point to the first non-parsed argument. Should
point to the executable name! So step one back and update *argc */
*argc = narg+1;
new_argv = cmatrix( 0, narg, 0 , LINESIZE );
strcpy( new_argv[0], tmp[0] );
for ( i=1; i<=narg; i++ ) {
strcpy(new_argv[i], tmp[i]);
}
cmatrix_free( tmp, 0, np, 0, LINESIZE );
*argv = new_argv;
return (1);
}
int clparse( int *argc, char **argv[], PARAM param[], int verbose )
{
int found;
PARAM *pp;
/* *argc is a pointert to argc (the number of arguments on command line */
/* **argv is a pointer to the array *argv that contains the command line
parameters. *argv[0] is the executable **argv[0] is the first character of the
executable */
/* Command line options must begin with a "-" and have letters as first
character */
if ( ! param )
return (1);
while ( --*argc > 0 && (*++*argv)[0] == '-') {
if (strncmp((**argv), "--", 2) == 0)
break; /* stdin/stdout is used as filename */
/* break if parameter not alphabetic in position 1
(superset of "--" check above) */
if (strlen((**argv)) > 1 && !(
((**argv)[1] >= 'A' && (**argv)[1] <= 'Z') ||
((**argv)[1] >= 'a' && (**argv)[1] <= 'z'))) {
if (verbose)
printf("# clparse break at %c %d\n",
(**argv)[1], (**argv)[1]);
break;
}
found = 0;
#define CAUTION "Caution, multiple occurrences of parameter %s on command line.\n"
#ifdef OLD
for ( pp = param; pp->p_name != NULL; pp++ )
#else
for ( pp = param; pp->p_name; pp++ )
#endif
if (PMATCH(pp->p_name, (**argv))) {
if (pp->p_selc)
printf( CAUTION, pp->p_name );
switch (pp->p_type) {
case PTYPE_SWITCH:
TOGGLE(*((int *) pp->p_addr));
found = 1;
if (verbose)
printf("# %-8s %-20d %s\n",
pp->p_name,
*((int *) pp-> p_addr),
pp->p_desc);
break;
case PTYPE_INT:
found = (--*argc > 0
&& sscanf((*++*argv), "%d", (int *) (pp-> p_addr)) == 1);
if (verbose)
printf("# %-8s %-20d %s\n",
pp->p_name,
*((int *) pp-> p_addr),
pp->p_desc);
break;
case PTYPE_FLOAT:
found = (--*argc > 0
&& sscanf((*++*argv), "%f", (float *) (pp-> p_addr)) == 1);
if (verbose)
printf("# %-8s %-20f %s\n",
pp->p_name,
*((float *) pp-> p_addr),
pp->p_desc);
break;
case PTYPE_LONG:
found = (--*argc > 0
&& sscanf((*++*argv), "%ld", (long *) (pp-> p_addr)) == 1);
if (verbose)
printf("# %-8s %-20ld %s\n", pp->p_name, *((long *) pp->p_addr), pp->p_desc);
break;
case PTYPE_DOUBLE:
found = (--*argc > 0
&& sscanf((*++*argv), "%lf", (double *) (pp-> p_addr)) == 1);
if (verbose)
printf("# %-8s %-20f %s\n",
pp->p_name,
*((double *) pp-> p_addr),
pp->p_desc);
break;
case PTYPE_CHAR:
found = (--*argc > 0
&& sscanf((*++*argv), "%c", (char *) pp-> p_addr) == 1);
if (verbose)
printf("# %-8s %c %s\n", pp->p_name, *((char *) pp->p_addr), pp->p_desc);
break;
case PTYPE_STRING:
found = (--*argc > 0
&& sscanf((*++*argv), "%s", pp->p_addr) == 1);
if (verbose)
printf("# %-8s %-20s %s\n",
pp->p_name,
pp->p_addr,
pp->p_desc);
break;
case PTYPE_FILENAME:
found = (--*argc > 0
&& sscanf((*++*argv), "%s", pp->p_addr) == 1);
if (verbose)
printf("# %-8s %-20s %s\n",
pp->p_name,
pp->p_addr,
pp->p_desc);
break;
}
/* mark selected */
pp->p_selc = 1;
}
if (!found) {
printf("Unrecognized parameter: %s\n", (**argv));
return (0);
}
}
/* Now **argv point to the first non-parsed argument. Should
point to the executable name! So step one back and update *argc */
++*argc;
*--*argv;
return (1);
}
void pparse( int *argc, char **argv[], PARAM param[], int n, char *descr )
{
char *exec;
exec = **argv;
param_init(param);
if (*argc > 1 && strcmp((*argv)[1], "-h") == 0) {
printf("Usage: %s [-h] [args] %s\n", exec, descr);
usage(param);
exit(0);
}
sysinfo(*argc, *argv);
if (!clparse_mn(&(*argc), &(*argv), param, 1) || *argc < n + 1) {
printf("Usage: %s [-h] [args] %s\n", exec, descr);
exit(1);
}
pprint(param);
}
void spparse( int *argc, char **argv[], PARAM param[], int n, char *descr )
{
char *exec;
exec = **argv;
param_init(param);
if (*argc > 1 && strcmp((*argv)[1], "-h") == 0) {
printf("Usage: %s [-h] [args] %s\n", exec, descr);
usage(param);
exit(0);
}
if (!clparse_mn(&(*argc), &(*argv), param, 0) || *argc < n + 1) {
printf("Usage: %s [-h] [args] %s\n", exec, descr);
exit(1);
}
param_env(param);
}
int filereadable( char *filename )
/* See man stat command */
{
struct stat fstat;
FILE *fp;
int fs;
fs = stat(filename, &fstat);
if (fs != 0) /* not a file */
return (0);
if ((fp = fopen(filename, "r")) == NULL)
return (0);
fclose(fp);
return (1);
}
void setseed(long rs)
{
long seed;
seed = (rs ? rs : time((time_t *) 0));
printf("# Random seed is %ld\n", seed);
srand48(seed);
}
char *envfile(char *efilename, char *filename)
{
LINE etemp, ftemp;
char *rp;
char *getenv();
pid_t p, getpid();
if (strncmp(efilename, "$", 1) == 0) {
if (strncmp(efilename, "$PID", 4) == 0) {
#ifdef DEBUG
printf("Special case PID\n");
#endif
p = getpid();
sprintf(filename, "%d", p);
return (filename);
}
strcpy(ftemp, "");
sscanf(efilename, "%*1s%[^/]%s", etemp, ftemp);
if ((rp = getenv(etemp)) != NULL) {
sprintf(filename, "%s%s", rp, ftemp);
return (filename);
}
}
return (efilename);
}
char *xenvfile(char *str, char *tmp)
/* expand $-containing sections of a filename to
the corresponding environment variables, splitting
on characters '.' and '/' [email protected]
June 7, 2000 */
{
int i, j;
LINE env, wrd;
char *tmp2;
strcpy(tmp, "");
i = 0;
while (*str != '\n' && *str != '\0') {
while (*str != '$' && *str != '\n' && *str != '\0') {
tmp[i++] = *str++;
}
tmp[i] = 0;
strcpy(env, "");
j = 0;
if (*str == '$')
env[j++] = *str++;
while (*str != '.' && *str != '/' && *str != '$' &&
*str != '\n' && *str != '\0') {
env[j++] = *str++;
}
env[j] = 0;
strcpy(wrd, "");
tmp2 = envfile(env, wrd);
if ( tmp2 && strlen(tmp2) > 0 )
strcpy(env, envfile(env, wrd));
strcat(tmp, env);
i += strlen(env);
}
tmp[i] = 0;
return (tmp);
}