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/*
setup.h (c) 1997-8 Grant R. Guenther <grant@torque.net>
Under the terms of the GNU General Public License.
This is a table driven setup function for kernel modules
using the module.variable=val,... command line notation.
*/
/* Changes:
1.01 GRG 1998.05.05 Allow negative and defaulted values
*/
#include <linux/ctype.h>
#include <linux/string.h>
struct setup_tab_t {
char *tag; /* variable name */
int size; /* number of elements in array */
int *iv; /* pointer to variable */
};
typedef struct setup_tab_t STT;
/* t is a table that describes the variables that can be set
by gen_setup
n is the number of entries in the table
ss is a string of the form:
<tag>=[<val>,...]<val>
*/
static void generic_setup( STT t[], int n, char *ss )
{ int j,k, sgn;
k = 0;
for (j=0;j<n;j++) {
k = strlen(t[j].tag);
if (strncmp(ss,t[j].tag,k) == 0) break;
}
if (j == n) return;
if (ss[k] == 0) {
t[j].iv[0] = 1;
return;
}
if (ss[k] != '=') return;
ss += (k+1);
k = 0;
while (ss && (k < t[j].size)) {
if (!*ss) break;
sgn = 1;
if (*ss == '-') { ss++; sgn = -1; }
if (!*ss) break;
if (isdigit(*ss))
t[j].iv[k] = sgn * simple_strtoul(ss,NULL,0);
k++;
if ((ss = strchr(ss,',')) != NULL) ss++;
}
}
/* end of setup.h */
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