+++ /dev/null
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <inttypes.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <assert.h>
-#include <math.h>
-
-#include <rrd.h>
-
-#include "common.h"
-#include "graph_list.h"
-
-#include <fcgiapp.h>
-#include <fcgi_stdio.h>
-
-size_t c_strlcat (char *dst, const char *src, size_t size) /* {{{ */
-{
- size_t retval;
- size_t dst_len;
- size_t src_len;
-
- dst_len = strlen (dst);
- src_len = strlen (src);
- retval = dst_len + src_len;
-
- if ((dst_len + 1) >= size)
- return (retval);
-
- dst += dst_len;
- size -= dst_len;
- assert (size >= 2);
-
- /* Result will be truncated. */
- if (src_len >= size)
- src_len = size - 1;
-
- memcpy (dst, src, src_len);
- dst[src_len] = 0;
-
- return (retval);
-} /* }}} size_t c_strlcat */
-
-int ds_list_from_rrd_file (char *file, /* {{{ */
- size_t *ret_dses_num, char ***ret_dses)
-{
- char *rrd_argv[] = { "info", file, NULL };
- int rrd_argc = (sizeof (rrd_argv) / sizeof (rrd_argv[0])) - 1;
-
- rrd_info_t *info;
- rrd_info_t *ptr;
-
- char **dses = NULL;
- size_t dses_num = 0;
-
- info = rrd_info (rrd_argc, rrd_argv);
- if (info == NULL)
- {
- printf ("%s: rrd_info (%s) failed.\n", __func__, file);
- return (-1);
- }
-
- for (ptr = info; ptr != NULL; ptr = ptr->next)
- {
- size_t keylen;
- size_t dslen;
- char *ds;
- char **tmp;
-
- if (strncmp ("ds[", ptr->key, strlen ("ds[")) != 0)
- continue;
-
- keylen = strlen (ptr->key);
- if (keylen < strlen ("ds[?].index"))
- continue;
-
- dslen = keylen - strlen ("ds[].index");
- assert (dslen >= 1);
-
- if (strcmp ("].index", ptr->key + (strlen ("ds[") + dslen)) != 0)
- continue;
-
- ds = malloc (dslen + 1);
- if (ds == NULL)
- continue;
-
- memcpy (ds, ptr->key + strlen ("ds["), dslen);
- ds[dslen] = 0;
-
- tmp = realloc (dses, sizeof (*dses) * (dses_num + 1));
- if (tmp == NULL)
- {
- free (ds);
- continue;
- }
- dses = tmp;
-
- dses[dses_num] = ds;
- dses_num++;
- }
-
- rrd_info_free (info);
-
- if (dses_num < 1)
- {
- assert (dses == NULL);
- return (ENOENT);
- }
-
- *ret_dses_num = dses_num;
- *ret_dses = dses;
-
- return (0);
-} /* }}} int ds_list_from_rrd_file */
-
-static int hsv_to_rgb (double *hsv, double *rgb) /* {{{ */
-{
- double c = hsv[2] * hsv[1];
- double h = hsv[0] / 60.0;
- double x = c * (1.0 - fabs (fmod (h, 2.0) - 1));
- double m = hsv[2] - c;
-
- rgb[0] = 0.0;
- rgb[1] = 0.0;
- rgb[2] = 0.0;
-
- if ((0.0 <= h) && (h < 1.0)) { rgb[0] = 1.0; rgb[1] = x; rgb[2] = 0.0; }
- else if ((1.0 <= h) && (h < 2.0)) { rgb[0] = x; rgb[1] = 1.0; rgb[2] = 0.0; }
- else if ((2.0 <= h) && (h < 3.0)) { rgb[0] = 0.0; rgb[1] = 1.0; rgb[2] = x; }
- else if ((3.0 <= h) && (h < 4.0)) { rgb[0] = 0.0; rgb[1] = x; rgb[2] = 1.0; }
- else if ((4.0 <= h) && (h < 5.0)) { rgb[0] = x; rgb[1] = 0.0; rgb[2] = 1.0; }
- else if ((5.0 <= h) && (h < 6.0)) { rgb[0] = 1.0; rgb[1] = 0.0; rgb[2] = x; }
-
- rgb[0] += m;
- rgb[1] += m;
- rgb[2] += m;
-
- return (0);
-} /* }}} int hsv_to_rgb */
-
-static uint32_t rgb_to_uint32 (double *rgb) /* {{{ */
-{
- uint8_t r;
- uint8_t g;
- uint8_t b;
-
- r = (uint8_t) (255.0 * rgb[0]);
- g = (uint8_t) (255.0 * rgb[1]);
- b = (uint8_t) (255.0 * rgb[2]);
-
- return ((((uint32_t) r) << 16)
- | (((uint32_t) g) << 8)
- | ((uint32_t) b));
-} /* }}} uint32_t rgb_to_uint32 */
-
-uint32_t get_random_color (void) /* {{{ */
-{
- double hsv[3] = { 0.0, 1.0, 1.0 };
- double rgb[3] = { 0.0, 0.0, 0.0 };
-
- hsv[0] = 360.0 * ((double) rand ()) / (((double) RAND_MAX) + 1.0);
-
- hsv_to_rgb (hsv, rgb);
-
- return (rgb_to_uint32 (rgb));
-} /* }}} uint32_t get_random_color */
-
-int print_debug (const char *format, ...) /* {{{ */
-{
- static _Bool have_header = 0;
-
- va_list ap;
- int status;
-
- if (!have_header)
- {
- printf ("Content-Type: text/plain\n\n");
- have_header = 1;
- }
-
- va_start (ap, format);
- status = vprintf (format, ap);
- va_end (ap);
-
- return (status);
-} /* }}} int print_debug */
-
-/* vim: set sw=2 sts=2 et fdm=marker : */