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/*
* "$Id: banners.c 6649 2007-07-11 21:46:42Z mike $"
*
* Banner routines for the Common UNIX Printing System (CUPS).
*
* Copyright 2007 by Apple Inc.
* Copyright 1997-2006 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
* property of Apple Inc. and are protected by Federal copyright
* law. Distribution and use rights are outlined in the file "LICENSE.txt"
* which should have been included with this file. If this file is
* file is missing or damaged, see the license at "http://www.cups.org/".
*
* Contents:
*
* cupsdFindBanner() - Find a named banner.
* cupsdLoadBanners() - Load all available banner files...
* add_banner() - Add a banner to the array.
* compare_banners() - Compare two banners.
* free_banners() - Free all banners.
*/
/*
* Include necessary headers...
*/
#include "cupsd.h"
#include <cups/dir.h>
/*
* Local functions...
*/
static void add_banner(const char *name, const char *filename);
static int compare_banners(const cupsd_banner_t *b0,
const cupsd_banner_t *b1);
static void free_banners(void);
/*
* 'cupsdFindBanner()' - Find a named banner.
*/
cupsd_banner_t * /* O - Pointer to banner or NULL */
cupsdFindBanner(const char *name) /* I - Name of banner */
{
cupsd_banner_t key; /* Search key */
key.name = (char *)name;
return ((cupsd_banner_t *)cupsArrayFind(Banners, &key));
}
/*
* 'cupsdLoadBanners()' - Load all available banner files...
*/
void
cupsdLoadBanners(const char *d) /* I - Directory to search */
{
cups_dir_t *dir; /* Directory pointer */
cups_dentry_t *dent; /* Directory entry */
char filename[1024], /* Name of banner */
*ext; /* Pointer to extension */
/*
* Free old banner info...
*/
free_banners();
/*
* Try opening the banner directory...
*/
if ((dir = cupsDirOpen(d)) == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdLoadBanners: Unable to open banner directory \"%s\": %s",
d, strerror(errno));
return;
}
/*
* Read entries, skipping directories and backup files.
*/
Banners = cupsArrayNew((cups_array_func_t)compare_banners, NULL);
while ((dent = cupsDirRead(dir)) != NULL)
{
/*
* Check the file to make sure it isn't a directory or a backup
* file of some sort...
*/
snprintf(filename, sizeof(filename), "%s/%s", d, dent->filename);
if (S_ISDIR(dent->fileinfo.st_mode))
continue;
if (dent->filename[0] == '~' ||
dent->filename[strlen(dent->filename) - 1] == '~')
continue;
if ((ext = strrchr(dent->filename, '.')) != NULL)
if (!strcmp(ext, ".bck") ||
!strcmp(ext, ".bak") ||
!strcmp(ext, ".sav"))
continue;
/*
* Must be a valid file; add it!
*/
add_banner(dent->filename, filename);
}
/*
* Close the directory...
*/
cupsDirClose(dir);
}
/*
* 'add_banner()' - Add a banner to the array.
*/
static void
add_banner(const char *name, /* I - Name of banner */
const char *filename) /* I - Filename for banner */
{
mime_type_t *filetype; /* Filetype */
cupsd_banner_t *temp; /* New banner data */
/*
* See what the filetype is...
*/
if ((filetype = mimeFileType(MimeDatabase, filename, NULL, NULL)) == NULL)
{
cupsdLogMessage(CUPSD_LOG_WARN,
"add_banner: Banner \"%s\" (\"%s\") is of an unknown file type - skipping!",
name, filename);
return;
}
/*
* Allocate memory...
*/
temp = calloc(1, sizeof(cupsd_banner_t));
/*
* Copy the new banner data over...
*/
temp->name = strdup(name);
temp->filetype = filetype;
cupsArrayAdd(Banners, temp);
}
/*
* 'compare_banners()' - Compare two banners.
*/
static int /* O - -1 if name0 < name1, etc. */
compare_banners(
const cupsd_banner_t *b0, /* I - First banner */
const cupsd_banner_t *b1) /* I - Second banner */
{
return (strcasecmp(b0->name, b1->name));
}
/*
* 'free_banners()' - Free all banners.
*/
static void
free_banners(void)
{
cupsd_banner_t *temp; /* Current banner */
for (temp = (cupsd_banner_t *)cupsArrayFirst(Banners);
temp;
temp = (cupsd_banner_t *)cupsArrayNext(Banners))
{
free(temp->name);
free(temp);
}
cupsArrayDelete(Banners);
Banners = NULL;
}
/*
* End of "$Id: banners.c 6649 2007-07-11 21:46:42Z mike $".
*/
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