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Viewing changes to tools/ast/stresc.c

  • Committer: Bazaar Package Importer
  • Author(s): Stephen M Moraco
  • Date: 2002-02-05 18:52:12 UTC
  • Revision ID: james.westby@ubuntu.com-20020205185212-8i04c70te00rc40y
Tags: upstream-1.7.16
Import upstream version 1.7.16

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tools/ast/stresc.c
 
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#pragma prototyped
 
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/*
 
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 * Glenn Fowler
 
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 * AT&T Bell Laboratories
 
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 *
 
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 * convert \x character constants in s in place
 
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 * the length of the converted s is returned (may have imbedded \0's)
 
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 */
 
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#include <ast.h>
 
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int
 
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stresc(register char* s)
 
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{
 
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        register char*  t;
 
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        register int    c;
 
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        char*           b;
 
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        char*           p;
 
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        b = t = s;
 
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        for (;;)
 
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        {
 
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                switch (c = *s++)
 
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                {
 
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                case '\\':
 
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                        c = chresc(s - 1, &p);
 
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                        s = p;
 
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                        break;
 
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                case 0:
 
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                        *t = 0;
 
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                        return(t - b);
 
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                }
 
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                *t++ = c;
 
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        }
 
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}