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Annotation of researchv10no/cmd/dist/lib/sub.c, revision 1.1.1.1

1.1       root        1: #include <stdio.h>
                      2: #include <string.h>
                      3: #include <time.h>
                      4: #include "lib.h"
                      5: 
                      6: void
                      7: addsub(struct sub **sublistp, char *ostr, char *nstr)
                      8: {
                      9:        struct sub *nsub;
                     10: 
                     11:        nsub = xmalloc(sizeof (struct sub));
                     12:        nsub->ostr = xstrdup(ostr);
                     13:        nsub->nstr = xstrdup(nstr);
                     14:        nsub->next = *sublistp;
                     15:        *sublistp = nsub;
                     16: }
                     17: 
                     18: int
                     19: sub(struct sub **sublistp, int prefix, char str[], int maxlen)
                     20: {
                     21:        struct sub *sub;
                     22:        int olen, nlen;
                     23: 
                     24:        for (sub = *sublistp; sub; sub = sub->next) {
                     25:                olen = strlen(sub->ostr);
                     26:                if (prefix && strncmp(str, sub->ostr, olen) == 0)
                     27:                        break;
                     28:                else if (!prefix && strcmp(str, sub->ostr))
                     29:                        break;
                     30:        }
                     31:        if (!sub)
                     32:                return 1;
                     33:        nlen = strlen(sub->nstr);
                     34:        if (strlen(str) + nlen - olen > maxlen)
                     35:                return 0;
                     36:        memmove(str + nlen, str + olen, strlen(str + olen) + 1);
                     37:        strncpy(str, sub->nstr, nlen);
                     38: }

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