static Errcode create_file(Pdr *pd,
char *path,
Image_file **pif,
Anim_info *ainfo)
/*****************************************************************************
* create an output file (alloc, open, and write file header).
****************************************************************************/
{
Errcode err;
Targa_file *tf;
(void)pd;
tf = NULL;
*pif = NULL;
/*
* allocate main data structures, open file.
*/
if (Success != (err = alloc_and_open(&tf, path, XWRITEONLY)))
goto ERROR_EXIT;
tf->width = ainfo->width;
tf->height = ainfo->height;
if (NULL == (tf->hsegbuf = pj_malloc(tf->width)))
{
err = Err_no_memory;
goto ERROR_EXIT;
}
*pif = (Image_file *)tf;
return Success;
ERROR_EXIT:
close_file((Image_file **)&tf);
return err;
}
static Errcode open_file(Pdr *pd, char *path, Image_file **pif, Anim_info *ainfo )
/*****************************************************************************
* PDR file open function for Targa files.
****************************************************************************/
{
Errcode err;
Targa_file *tf;
(void)pd;
*pif = NULL; /* in case of error */
/*
* allocate main data structures, open file.
*/
if (Success != (err = alloc_and_open(&tf, path, XREADONLY)))
goto ERROR_EXIT;
if (Success != (err = read_targa_header(tf)))
goto ERROR_EXIT;
if (ainfo != NULL)
{
ainfo->width = tf->width;
ainfo->height = tf->height;
ainfo->depth = tf->pdepth;
ainfo->num_frames = 1;
ainfo->millisec_per_frame = DEFAULT_AINFO_SPEED;
}
*pif = (Image_file *)tf;
return Success;
ERROR_EXIT:
close_file((Image_file **)&tf);
*pif = NULL;
return(err);
}
/* lnstat_scan_dir - find and parse all available statistics files/fields */
struct lnstat_file *lnstat_scan_dir(const char *path, const int num_req_files,
const char **req_files)
{
DIR *dir;
struct lnstat_file *lnstat_files = NULL;
struct dirent *de;
if (!path)
path = PROC_NET_STAT;
dir = opendir(path);
if (!dir) {
struct lnstat_file *lf;
/* Old kernel, before /proc/net/stat was introduced */
fprintf(stderr, "Your kernel doesn't have lnstat support. ");
/* we only support rtstat, not multiple files */
if (num_req_files >= 2) {
fputc('\n', stderr);
return NULL;
}
/* we really only accept rt_cache */
if (num_req_files && !name_in_array(num_req_files,
req_files, "rt_cache")) {
fputc('\n', stderr);
return NULL;
}
fprintf(stderr, "Fallback to old rtstat-only operation\n");
lf = alloc_and_open("/proc/net", "rt_cache_stat");
if (!lf)
return NULL;
lf->compat = 1;
strncpy(lf->basename, "rt_cache", sizeof(lf->basename));
/* FIXME: support for old files */
if (lnstat_scan_compat_rtstat_fields(lf) < 0)
return NULL;
lf->next = lnstat_files;
lnstat_files = lf;
return lnstat_files;
}
while ((de = readdir(dir))) {
struct lnstat_file *lf;
if (de->d_type != DT_REG)
continue;
if (num_req_files && !name_in_array(num_req_files,
req_files, de->d_name))
continue;
lf = alloc_and_open(path, de->d_name);
if (!lf)
return NULL;
/* fill in field structure */
if (lnstat_scan_fields(lf) < 0)
return NULL;
/* prepend to global list */
lf->next = lnstat_files;
lnstat_files = lf;
}
closedir(dir);
return lnstat_files;
}
struct lnstat_file *lnstat_scan_dir(const char *path, const int num_req_files,
const char **req_files)
{
DIR *dir;
struct lnstat_file *lnstat_files = NULL;
struct dirent *de;
if (!path)
path = PROC_NET_STAT;
dir = opendir(path);
if (!dir) {
struct lnstat_file *lf;
fprintf(stderr, "Your kernel doesn't have lnstat support. ");
if (num_req_files >= 2) {
fputc('\n', stderr);
return NULL;
}
if (num_req_files && !name_in_array(num_req_files,
req_files, "rt_cache")) {
fputc('\n', stderr);
return NULL;
}
fprintf(stderr, "Fallback to old rtstat-only operation\n");
lf = alloc_and_open("/proc/net", "rt_cache_stat");
if (!lf)
return NULL;
lf->compat = 1;
strncpy(lf->basename, "rt_cache", sizeof(lf->basename));
if (lnstat_scan_compat_rtstat_fields(lf) < 0)
return NULL;
lf->next = lnstat_files;
lnstat_files = lf;
return lnstat_files;
}
while ((de = readdir(dir))) {
struct lnstat_file *lf;
if (de->d_type != DT_REG)
continue;
if (num_req_files && !name_in_array(num_req_files,
req_files, de->d_name))
continue;
lf = alloc_and_open(path, de->d_name);
if (!lf)
return NULL;
if (lnstat_scan_fields(lf) < 0)
return NULL;
lf->next = lnstat_files;
lnstat_files = lf;
}
closedir(dir);
return lnstat_files;
}
