mirror of
https://github.com/Llewellynvdm/conky.git
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55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
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/* conky support for information from sony_laptop kernel module
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* information from sony_laptop kernel module
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* /sys/devices/platform/sony-laptop
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* I mimicked the methods from ibm.c
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* Yeon-Hyeong Yang <lbird94@gmail.com> */
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#include "conky.h"
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#include "config.h"
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#include "sony.h"
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#include "logging.h"
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#define SONY_LAPTOP_DIR "/sys/devices/platform/sony-laptop"
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/* fanspeed in SONY_LAPTOP_DIR contains an integer value for fanspeed (0~255).
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* I don't know the exact measurement unit, though. I may assume that 0 for
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* 'fan stopped' and 255 for 'maximum fan speed'. */
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void get_sony_fanspeed(char *p_client_buffer, size_t client_buffer_size)
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{
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FILE *fp;
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unsigned int speed = 0;
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char fan[128];
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if (!p_client_buffer || client_buffer_size <= 0) {
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return;
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}
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snprintf(fan, 127, "%s/fanspeed", SONY_LAPTOP_DIR);
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fp = fopen(fan, "r");
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if (fp != NULL) {
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while (!feof(fp)) {
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char line[256];
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if (fgets(line, 255, fp) == NULL) {
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break;
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}
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if (sscanf(line, "%u", &speed)) {
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break;
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}
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}
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} else {
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CRIT_ERR("can't open '%s': %s\nEnable sony support or remove "
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"sony* from your "PACKAGE_NAME" config file.",
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fan, strerror(errno));
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}
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fclose(fp);
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snprintf(p_client_buffer, client_buffer_size, "%d", speed);
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}
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