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Viewing changes to extension/readfile.c

  • Committer: Arnold D. Robbins
  • Date: 2010-11-18 21:00:31 UTC
  • Revision ID: git-v1:6f3612539c425da2bc1d34db621696e6a273b01c
Bring latest byte code gawk into git. Hurray!

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Lines of Context:
extension/readfile.c
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/* do_readfile --- read a file into memory */
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NODE *
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do_readfile(tree)
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NODE *tree;
 
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do_readfile(int nargs)
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{
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        NODE *filename;
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        int ret = -1;
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        if  (do_lint && get_curfunc_arg_count() > 1)
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                lintwarn("readfile: called with too many arguments");
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        filename = get_argument(tree, 0);
 
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        filename = get_scalar_argument(0, FALSE);
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        if (filename != NULL) {
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                (void) force_string(filename);
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                ret = stat(filename->stptr, & sbuf);
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                if (ret < 0) {
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                        update_ERRNO();
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                        free_temp(filename);
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                        goto done;
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                } else if ((sbuf.st_mode & S_IFMT) != S_IFREG) {
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                        errno = EINVAL;
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                        ret = -1;
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                        update_ERRNO();
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                        free_temp(filename);
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                        goto done;
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                }
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                if ((fd = open(filename->stptr, O_RDONLY|O_BINARY)) < 0) {
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                        ret = -1;
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                        update_ERRNO();
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                        free_temp(filename);
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                        goto done;
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                }
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                        (void) close(fd);
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                        ret = -1;
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                        update_ERRNO();
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                        free_temp(filename);
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                        goto done;
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                }
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                close(fd);
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                free_temp(filename);
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                set_value(tmp_string(text, sbuf.st_size));
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                return tmp_number((AWKNUM) 0);
 
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                return make_string(text, sbuf.st_size);
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        } else if (do_lint)
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                lintwarn("filename: called with no arguments");
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done:
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        /* Set the return value */
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        set_value(tmp_number((AWKNUM) ret));
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        /* Just to make the interpreter happy */
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        return tmp_number((AWKNUM) 0);
 
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        return make_number((AWKNUM) ret);
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}
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{
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        make_builtin("readfile", do_readfile, 1);
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        return tmp_number((AWKNUM) 0);
 
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        return make_number((AWKNUM) 0);
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}