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Annotation of researchv9/ipc/src/mgrs/svcmgr/subr.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * miscellany
                      3:  */
                      4: 
                      5: #include "mgr.h"
                      6: #include <setjmp.h>
                      7: #include <stdio.h>
                      8: #include <ctype.h>
                      9: #include <libc.h>
                     10: 
                     11: /*
                     12:  * trap errors from recomp and regexec
                     13:  */
                     14: 
                     15: jmp_buf rxerr;
                     16: 
                     17: regerror(s)
                     18: char *s;
                     19: {
                     20:        logevent("regex error: %s\n", s);
                     21:        longjmp(rxerr, 1);
                     22: }
                     23: 
                     24: 
                     25: /*
                     26:  * read a line from the remote end
                     27:  */
                     28: char *
                     29: rdline(f)
                     30: int f;
                     31: {
                     32:        static char buf[ARB];
                     33:        register char *p;
                     34:        register int n;
                     35: 
                     36:        for (p = buf; p-buf<ARB-1; p++) {
                     37:                n = read(f, p, 1);
                     38:                if (n <= 0)
                     39:                        break;
                     40:                if (*p == '\r' || *p == '\n' || *p == '\0') {
                     41:                        *++p = '\0';
                     42:                        return (buf);
                     43:                }
                     44:        }
                     45:        return NULL;
                     46: }
                     47: 
                     48: 
                     49: /*
                     50:  *  compile a regular expression inserting a ^ at the beginning and
                     51:  *  a $ at the end.
                     52:  */
                     53: regexp *
                     54: nregcomp(re)
                     55:        char *re;
                     56: {
                     57:        char fullre[ARB];
                     58:        register char *cp=fullre;
                     59: 
                     60:        *cp++ = '^';
                     61:        while(*re)
                     62:                *cp++ = *re++;
                     63:        *cp++ = '$';
                     64:        *cp = '\0';
                     65:        return regcomp(fullre);
                     66: }

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