49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* Here is stuff for interfacing to directories.
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** Copyright (c) 1993, 1994 by Olin Shivers.
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*/
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#include <sys/types.h>
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#include <stdio.h>
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#include <dirent.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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/* Make sure our exports match up w/the implementation: */
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#include "scheme48.h"
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#include "dirstuff1.h"
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s48_value open_dir(s48_value sch_dirname)
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{
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char *fname;
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struct dirent *dirent;
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DIR *d;
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s48_value dirlist = S48_NULL;
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s48_value sch_d_name = S48_UNSPECIFIC;
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S48_DECLARE_GC_PROTECT(2);
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S48_GC_PROTECT_2(dirlist, sch_d_name);
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if( NULL == (d = opendir(s48_extract_string (sch_dirname))) )
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s48_raise_os_error_1 (errno, sch_dirname);
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while( NULL != (dirent = readdir(d)) ) {
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if((strcmp(dirent->d_name,".") == 0) || (strcmp(dirent->d_name,"..") == 0))
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continue;
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sch_d_name = s48_enter_string(dirent->d_name);
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dirlist = s48_cons (sch_d_name, dirlist);
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}
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if (closedir(d) == -1)
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s48_raise_os_error_1 (errno, sch_dirname);
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S48_GC_UNPROTECT ();
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return dirlist;
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}
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void s48_init_dirstuff (){
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S48_EXPORT_FUNCTION(open_dir);
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}
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