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https://gitlab.isc.org/isc-projects/bind9
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53bd3f325f
platform-specific handling of option parsing and directory iteration. gen.c: use gen-unix.h/gen-win32.h
64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
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/*
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* This file is responsible for defining two operations that are not
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* directly portable between Unix-like systems and Windows NT, option
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* parsing and directory scanning. It is here because it was decided
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* that the "gen" build utility was not to depend on libisc.a, so
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* the functions delcared in isc/commandline.h and isc/dir.h could not
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* be used.
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*
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* The commandline stuff is really just a wrapper around getopt().
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* The dir stuff was shrunk to fit the needs of gen.c.
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*/
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#include <dirent.h>
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#include <unistd.h>
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#include <isc/boolean.h>
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#define isc_commandline_parse getopt
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#define isc_commandline_argument optarg
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typedef struct {
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DIR *handle;
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char *filename;
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} isc_dir_t;
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static isc_boolean_t
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start_directory(const char *path, isc_dir_t *dir) {
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dir->handle = opendir(path);
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if (dir->handle != NULL)
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return (ISC_TRUE);
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else
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return (ISC_FALSE);
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}
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static isc_boolean_t
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next_file(isc_dir_t *dir) {
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struct dirent *dirent;
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dir->filename = NULL;
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if (dir->handle != NULL) {
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dirent = readdir(dir->handle);
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if (dirent != NULL)
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dir->filename = dirent->d_name;
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}
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if (dir->filename != NULL)
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return (ISC_TRUE);
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else
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return (ISC_FALSE);
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}
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static void
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end_directory(isc_dir_t *dir) {
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if (dir->handle != NULL)
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closedir(dir->handle);
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dir->handle = NULL;
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}
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