| /* |
| 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 */ |
| |
