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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [drivers/] [block/] [paride/] [setup.h] - Blame information for rev 199

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1 199 simons
/*
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        setup.h    (c) 1997-8   Grant R. Guenther <grant@torque.net>
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                                Under the terms of the GNU public license.
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        This is a table driven setup function for kernel modules
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        using the module.variable=val,... command line notation.
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*/
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/* Changes:
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        1.01    GRG 1998.05.05  Allow negative and defaulted values
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*/
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#include <linux/ctype.h>
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#include <linux/string.h>
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struct setup_tab_t {
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        char    *tag;   /* variable name */
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        int     size;   /* number of elements in array */
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        int     *iv;    /* pointer to variable */
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};
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typedef struct setup_tab_t STT;
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/*  t     is a table that describes the variables that can be set
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          by gen_setup
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    n     is the number of entries in the table
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    ss    is a string of the form:
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                <tag>=[<val>,...]<val>
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*/
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static void generic_setup( STT t[], int n, char *ss )
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{       int     j,k, sgn;
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        k = 0;
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        for (j=0;j<n;j++) {
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                k = strlen(t[j].tag);
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                if (strncmp(ss,t[j].tag,k) == 0) break;
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        }
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        if (j == n) return;
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        if (ss[k] == 0) {
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                t[j].iv[0] = 1;
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                return;
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        }
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        if (ss[k] != '=') return;
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        ss += (k+1);
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        k = 0;
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        while (ss && (k < t[j].size)) {
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                if (!*ss) break;
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                sgn = 1;
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                if (*ss == '-') { ss++; sgn = -1; }
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                if (!*ss) break;
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                if (isdigit(*ss))
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                  t[j].iv[k] = sgn * simple_strtoul(ss,NULL,0);
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                k++;
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                if ((ss = strchr(ss,',')) != NULL) ss++;
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        }
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}
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/* end of setup.h */
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