Get rid of err.h as it is not portable

[slstatus.git] / components / swap.c

diff --git a/components/swap.c b/components/swap.c
index e4eec64..b82ff46 100644 (file)
--- a/components/swap.c
+++ b/components/swap.c
@@ -1,5 +1,5 @@
 /* See LICENSE file for copyright and license details. */
 /* See LICENSE file for copyright and license details. */

-#include <err.h>
+#if defined(__linux__)

 #include <stdio.h>
 #include <string.h>
 
 #include <stdio.h>
 #include <string.h>
 


@@ -15,12 +15,12 @@ swap_free(void)
 
        fp = fopen("/proc/meminfo", "r");
        if (fp == NULL) {
 
        fp = fopen("/proc/meminfo", "r");
        if (fp == NULL) {

-               warn("Failed to open file /proc/meminfo");
+               fprintf(stderr, "Failed to open file /proc/meminfo");

                return NULL;
        }
 
        if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
                return NULL;
        }
 
        if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {

-               warn("swap_free: read error");
+               fprintf(stderr, "swap_free: read error");

                fclose(fp);
                return NULL;
        }
                fclose(fp);
                return NULL;
        }


@@ -47,12 +47,12 @@ swap_perc(void)
 
        fp = fopen("/proc/meminfo", "r");
        if (fp == NULL) {
 
        fp = fopen("/proc/meminfo", "r");
        if (fp == NULL) {

-               warn("Failed to open file /proc/meminfo");
+               fprintf(stderr, "Failed to open file /proc/meminfo");

                return NULL;
        }
 
        if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
                return NULL;
        }
 
        if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {

-               warn("swap_perc: read error");
+               fprintf(stderr, "swap_perc: read error");

                fclose(fp);
                return NULL;
        }
                fclose(fp);
                return NULL;
        }


@@ -83,11 +83,11 @@ swap_total(void)
 
        fp = fopen("/proc/meminfo", "r");
        if (fp == NULL) {
 
        fp = fopen("/proc/meminfo", "r");
        if (fp == NULL) {

-               warn("Failed to open file /proc/meminfo");
+               fprintf(stderr, "Failed to open file /proc/meminfo");

                return NULL;
        }
        if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
                return NULL;
        }
        if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {

-               warn("swap_total: read error");
+               fprintf(stderr, "swap_total: read error");

                fclose(fp);
                return NULL;
        }
                fclose(fp);
                return NULL;
        }


@@ -110,11 +110,11 @@ swap_used(void)
 
        fp = fopen("/proc/meminfo", "r");
        if (fp == NULL) {
 
        fp = fopen("/proc/meminfo", "r");
        if (fp == NULL) {

-               warn("Failed to open file /proc/meminfo");
+               fprintf(stderr, "Failed to open file /proc/meminfo");

                return NULL;
        }
        if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
                return NULL;
        }
        if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {

-               warn("swap_used: read error");
+               fprintf(stderr, "swap_used: read error");

                fclose(fp);
                return NULL;
        }
                fclose(fp);
                return NULL;
        }


@@ -134,3 +134,4 @@ swap_used(void)
 
        return bprintf("%f", (float)(total - free - cached) / 1024 / 1024);
 }
 
        return bprintf("%f", (float)(total - free - cached) / 1024 / 1024);
 }

+#endif