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Get rid of err.h as it is not portable

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Replace warn() and warnx() with fprintf() and add <stdio.h> where
necessary.
This commit is contained in:
Aaron Marcher
2018-03-28 18:26:56 +02:00
parent aced832622
commit 96f3a8a54e
13 changed files with 36 additions and 46 deletions
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17
components/swap.c
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@ -1,6 +1,5 @@
/* See LICENSE file for copyright and license details. */
#if defined(__linux__)
#include <err.h>
#include <stdio.h>
#include <string.h>
@ -16,12 +15,12 @@ swap_free(void)
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) {
warn("swap_free: read error");
fprintf(stderr, "swap_free: read error");
fclose(fp);
return NULL;
}
@ -48,12 +47,12 @@ swap_perc(void)
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) {
warn("swap_perc: read error");
fprintf(stderr, "swap_perc: read error");
fclose(fp);
return NULL;
}
@ -84,11 +83,11 @@ swap_total(void)
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) {
warn("swap_total: read error");
fprintf(stderr, "swap_total: read error");
fclose(fp);
return NULL;
}
@ -111,11 +110,11 @@ swap_used(void)
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) {
warn("swap_used: read error");
fprintf(stderr, "swap_used: read error");
fclose(fp);
return NULL;
}