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authorHelmut Grohne <helmut@subdivi.de>2009-01-23 12:56:20 +0000
committerHelmut Grohne <helmut@subdivi.de>2009-01-23 12:56:20 +0000
commitcea149b541f802d28b3a5b0cfa00441d3ac1f0e3 (patch)
tree1f5a91d5242e29f9c766c39fa7d2d0ed2f0a1fef /open_files.c
parent84194373370b46a346231c1762c038cc683abc45 (diff)
downloadmunin-plugins-busybox-cea149b541f802d28b3a5b0cfa00441d3ac1f0e3.tar.gz
made more paths be macros
Diffstat (limited to 'open_files.c')
-rw-r--r--open_files.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/open_files.c b/open_files.c
index 3f82c8b..9eb5c3d 100644
--- a/open_files.c
+++ b/open_files.c
@@ -3,18 +3,21 @@
#include <unistd.h>
#include "common.h"
+#define FS_FILE_NR "/proc/sys/fs/file-nr"
+
int open_files(int argc, char **argv) {
FILE *f;
int alloc, freeh, avail;
if(argc > 1) {
if(!strcmp(argv[1], "config")) {
- if(!(f=fopen("/proc/sys/fs/file-nr", "r"))) {
- fprintf(stderr, "cannot open /proc/sys/fs/file-nr\n");
+ if(!(f=fopen(FS_FILE_NR, "r"))) {
+ fprintf(stderr, "cannot open " FS_FILE_NR "\n");
return 1;
}
if(1 != fscanf(f, "%*d %*d %d", &avail)) {
fclose(f);
- fprintf(stderr, "cannot read from /proc/sys/fs/file-nr\n");
+ fprintf(stderr, "cannot read from " FS_FILE_NR
+ "\n");
return 1;
}
fclose(f);
@@ -26,24 +29,27 @@ int open_files(int argc, char **argv) {
"used.label open files\n"
"used.info The number of currently open files.\n"
"max.label max open files\n"
- "max.info The maximum supported number of open files. Tune by modifying /proc/sys/fs/file-max.");
- printf("used.warning %d\nused.critical %d\n", (int)(avail*0.92), (int)(avail*0.98));
+ "max.info The maximum supported number of open "
+ "files. Tune by modifying " FS_FILE_NR
+ ".");
+ printf("used.warning %d\nused.critical %d\n",
+ (int)(avail*0.92), (int)(avail*0.98));
return 0;
}
if(!strcmp(argv[1], "autoconf")) {
- if(0 == access("/proc/sys/fs/file-nr", R_OK))
+ if(0 == access(FS_FILE_NR, R_OK))
return writeyes();
else
- return writeno("/proc/sys/fs/file-nr not readable");
+ return writeno(FS_FILE_NR " not readable");
}
}
- if(!(f=fopen("/proc/sys/fs/file-nr", "r"))) {
- fputs("cannot open /proc/sys/fs/file-nr\n", stderr);
+ if(!(f=fopen(FS_FILE_NR, "r"))) {
+ fputs("cannot open " FS_FILE_NR "\n", stderr);
return 1;
}
if(3 != fscanf(f, "%d %d %d", &alloc, &freeh, &avail)) {
fclose(f);
- fputs("cannot read from /proc/sys/fs/file-nr\n", stderr);
+ fputs("cannot read from " FS_FILE_NR "\n", stderr);
return 1;
}
fclose(f);