diff options
Diffstat (limited to 'replace/scandir.c')
| -rw-r--r-- | replace/scandir.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/replace/scandir.c b/replace/scandir.c deleted file mode 100644 index 71ac64e..0000000 --- a/replace/scandir.c +++ /dev/null @@ -1,233 +0,0 @@ -/* scandir: Scan a directory, collecting all (selected) items into a an array. - * - * This code borrowed from 'libit', which can be found here: - * - * http://www.iro.umontreal.ca/~pinard/libit/dist/scandir/ - * - * The original author put this code in the public domain. - * It has been modified slightly to get rid of warnings, etc. - * - * Below is the email I received from pinard@iro.umontreal.ca (François Pinard) - * when I sent him an email asking him about the license, etc. of this - * code which I obtained from his site. - * - * I think the correct spelling of his name is Rich Salz. I think he's now - * rsalz@datapower.com... - * -- - * Rich Salz, Chief Security Architect - * DataPower Technology http://www.datapower.com - * XS40 XML Security Gateway http://www.datapower.com/products/xs40.html - * - * Copyright(C): none (public domain) - * License: none (public domain) - * Author: Rich Salz <rsalz@datapower.com> - * - * - * - * -- Alan Robertson - * alanr@unix.sh - * - ************************************************************************** - * - * Subject: Re: Scandir replacement function - * Date: 18 May 2001 12:00:48 -0400 - * From: pinard@iro.umontreal.ca (François Pinard) - * To: Alan Robertson <alanr@unix.sh> - * References: 1 - * - * - * [Alan Robertson] - * - * > Hi, I'd like to use your scandir replacement function found here: - * > http://www.iro.umontreal.ca/~pinard/libit/dist/scandir/ But, it does - * > not indicate authorship or licensing terms in it. Could you tell me - * > who wrote this code, under what license you distribute it, and whether - * > and under what terms I may further distribute it? - * - * Hello, Alan. These are (somewhat) explained in UNSHAR.HDR found in the - * same directory. The routines have been written by Rick Saltz (I'm not - * completely sure of the spelling) a long while ago. I think that nowadays, - * Rick is better known as the main author of the nice INN package. - * - ************************************************************************** - * - * I spent a little time verifying this with Rick Salz. - * The results are below: - * - ************************************************************************** - * - * Date: Tue, 20 Sep 2005 21:52:09 -0400 (EDT) - * From: Rich Salz <rsalz@datapower.com> - * To: Alan Robertson <alanr@unix.sh> - * Subject: Re: Verifying permissions/licenses/etc on some old code of yours - - * scandir.c - * In-Reply-To: <433071CA.8000107@unix.sh> - * Message-ID: <Pine.LNX.4.44L0.0509202151270.9198-100000@smtp.datapower.com> - * Content-Type: TEXT/PLAIN; charset=US-ASCII - * - * yes, it's most definitely in the public domain. - * - * I'm glad you find it useful. I'm surprised it hasn't been replaced by, - * e.g,. something in GLibC. Ii'm impressed you tracked me down. - * - * /r$ - * - * -- - * Rich Salz Chief Security Architect - * DataPower Technology http://www.datapower.com - * XS40 XML Security Gateway http://www.datapower.com/products/xs40.html - * ----------------------------------------------------------------------> - * Subject: scandir, ftw REDUX - * Date: 1 Jan 88 00:47:01 GMT - * From: rsalz@pebbles.bbn.com - * Newsgroups: comp.sources.misc - * - * - * Forget my previous message -- I just decided for completeness's sake to - * implement the SysV ftw(3) routine, too. - * - * To repeat, these are public-domain implementations of the SystemV ftw() - * routine, the BSD scandir() and alphasort() routines, and documentation for - * same. The FTW manpage could be more readable, but so it goes. - * - * Anyhow, feel free to post these, and incorporate them into your existing - * packages. I have readdir() routiens for MSDOS and the Amiga if anyone - * wants them, and should have them for VMS by the end of January; let me - * know if you want copies. - * - * Yours in filesystems, - * /r$ - * - * Anyhow, feel free to post - * ----------------------------------------------------------------------< - * - */ - -#include <crm_internal.h> -#include <sys/types.h> -#include <dirent.h> -#include <stdlib.h> -#include <stddef.h> -#include <string.h> - -#ifndef NULL -# define NULL ((void *) 0) -#endif - -/* Initial guess at directory allocated. */ -#define INITIAL_ALLOCATION 20 - -int - - -scandir(const char *directory_name, - struct dirent ***array_pointer, int (*select_function) (const struct dirent *), -#ifdef USE_SCANDIR_COMPARE_STRUCT_DIRENT - /* This is what the Linux man page says */ - int (*compare_function) (const struct dirent **, const struct dirent **) -#else - /* This is what the Linux header file says ... */ - int (*compare_function) (const void *, const void *) -#endif - ); - -int -scandir(const char *directory_name, - struct dirent ***array_pointer, int (*select_function) (const struct dirent *), -#ifdef USE_SCANDIR_COMPARE_STRUCT_DIRENT - /* This is what the linux man page says */ - int (*compare_function) (const struct dirent **, const struct dirent **) -#else - /* This is what the linux header file says ... */ - int (*compare_function) (const void *, const void *) -#endif - ) -{ - DIR *directory; - struct dirent **array; - struct dirent *entry; - struct dirent *copy; - int allocated = INITIAL_ALLOCATION; - int counter = 0; - - /* Get initial list space and open directory. */ - - if ((directory = opendir(directory_name)) == NULL) { - return -1; - } - - if ((array = (struct dirent **)malloc(allocated * sizeof(struct dirent *))) - == NULL) { - closedir(directory); - return -1; - } - - /* Read entries in the directory. */ - - while (entry = readdir(directory), entry) - if (select_function == NULL || (*select_function) (entry)) { - /* User wants them all, or he wants this one. Copy the entry. */ - - /* - * On some OSes the declaration of "entry->d_name" is a minimal-length - * placeholder. Example: Solaris: - * /usr/include/sys/dirent.h: - * "char d_name[1];" - * man page "dirent(3)": - * The field d_name is the beginning of the character array - * giving the name of the directory entry. This name is - * null terminated and may have at most MAXNAMLEN chars. - * So our malloc length may need to be increased accordingly. - * sizeof(entry->d_name): space (possibly minimal) in struct. - * strlen(entry->d_name): actual length of the entry. - * - * John Kavadias <john_kavadias@hotmail.com> - * David Lee <t.d.lee@durham.ac.uk> - */ - int namelength = strlen(entry->d_name) + 1; /* length with NULL */ - int extra = 0; - - if (sizeof(entry->d_name) <= namelength) { - /* allocated space <= required space */ - extra += namelength - sizeof(entry->d_name); - } - - if ((copy = (struct dirent *)malloc(sizeof(struct dirent) + extra)) == NULL) { - closedir(directory); - free(array); - return -1; - } - copy->d_ino = entry->d_ino; - copy->d_reclen = entry->d_reclen; - strcpy(copy->d_name, entry->d_name); - - /* Save the copy. */ - - if (counter + 1 == allocated) { - allocated <<= 1; - array = pcmk__realloc((char *)array, - allocated * sizeof(struct dirent *)); - if (array == NULL) { - closedir(directory); - free(array); - free(copy); - return -1; - } - } - array[counter++] = copy; - } - - /* Close things off. */ - - array[counter] = NULL; - *array_pointer = array; - closedir(directory); - - /* Sort? */ - - if (counter > 1 && compare_function) - qsort((char *)array, counter, sizeof(struct dirent *) - , (int (*)(const void *, const void *))(compare_function)); - - return counter; -} |