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Diffstat (limited to 'procps/fuser.c')
-rw-r--r--procps/fuser.c148
1 files changed, 74 insertions, 74 deletions
diff --git a/procps/fuser.c b/procps/fuser.c
index 0258945..7ee56fb 100644
--- a/procps/fuser.c
+++ b/procps/fuser.c
@@ -1,6 +1,6 @@
/*
- * tiny fuser implementation
- *
+ * tiny fuser implementation
+ *
* Copyright 2004 Tony J. White
*
* May be distributed under the conditions of the
@@ -25,9 +25,9 @@
#define FUSER_OPT_MOUNT 1
#define FUSER_OPT_KILL 2
-#define FUSER_OPT_SILENT 4
-#define FUSER_OPT_IP6 8
-#define FUSER_OPT_IP4 16
+#define FUSER_OPT_SILENT 4
+#define FUSER_OPT_IP6 8
+#define FUSER_OPT_IP4 16
typedef struct inode_list {
ino_t inode;
@@ -40,7 +40,7 @@ typedef struct pid_list {
struct pid_list *next;
} pid_list;
-static int fuser_option(char *option)
+static int fuser_option(char *option)
{
int opt = 0;
@@ -55,7 +55,7 @@ static int fuser_option(char *option)
else if(*option == '4') opt |= FUSER_OPT_IP4;
else {
bb_error_msg_and_die(
- "Unsupported option '%c'", *option);
+ "Unsupported option '%c'", *option);
}
++option;
}
@@ -69,13 +69,13 @@ static int fuser_file_to_dev_inode(const char *filename,
if((stat(filename, &f_stat)) < 0) return 0;
*inode = f_stat.st_ino;
*dev = f_stat.st_dev;
- return 1;
+ return 1;
}
static int fuser_find_socket_dev(dev_t *dev) {
int fd = socket(PF_INET, SOCK_DGRAM,0);
struct stat buf;
-
+
if (fd >= 0 && (fstat(fd, &buf)) == 0) {
*dev = buf.st_dev;
close(fd);
@@ -84,8 +84,8 @@ static int fuser_find_socket_dev(dev_t *dev) {
return 0;
}
-static int fuser_parse_net_arg(const char *filename,
- const char **proto, int *port)
+static int fuser_parse_net_arg(const char *filename,
+ const char **proto, int *port)
{
char path[sizeof(FUSER_PROC_DIR)+12], tproto[5];
@@ -93,51 +93,51 @@ static int fuser_parse_net_arg(const char *filename,
sprintf(path, "%s/net/%s", FUSER_PROC_DIR, tproto);
if((access(path, R_OK)) != 0) return 0;
*proto = bb_xstrdup(tproto);
- return 1;
+ return 1;
}
static int fuser_add_pid(pid_list *plist, pid_t pid)
{
- pid_list *curr = NULL, *last = NULL;
-
- if(plist->pid == 0) plist->pid = pid;
- curr = plist;
- while(curr != NULL) {
- if(curr->pid == pid) return 1;
- last = curr;
- curr = curr->next;
- }
- curr = xmalloc(sizeof(pid_list));
- last->next = curr;
- curr->pid = pid;
+ pid_list *curr = NULL, *last = NULL;
+
+ if(plist->pid == 0) plist->pid = pid;
+ curr = plist;
+ while(curr != NULL) {
+ if(curr->pid == pid) return 1;
+ last = curr;
+ curr = curr->next;
+ }
+ curr = xmalloc(sizeof(pid_list));
+ last->next = curr;
+ curr->pid = pid;
curr->next = NULL;
- return 1;
+ return 1;
}
static int fuser_add_inode(inode_list *ilist, dev_t dev, ino_t inode)
{
- inode_list *curr = NULL, *last = NULL;
-
- if(!ilist->inode && !ilist->dev) {
+ inode_list *curr = NULL, *last = NULL;
+
+ if(!ilist->inode && !ilist->dev) {
ilist->dev = dev;
ilist->inode = inode;
}
- curr = ilist;
- while(curr != NULL) {
- if(curr->inode == inode && curr->dev == dev) return 1;
- last = curr;
- curr = curr->next;
- }
- curr = xmalloc(sizeof(inode_list));
- last->next = curr;
- curr->dev = dev;
- curr->inode = inode;
+ curr = ilist;
+ while(curr != NULL) {
+ if(curr->inode == inode && curr->dev == dev) return 1;
+ last = curr;
+ curr = curr->next;
+ }
+ curr = xmalloc(sizeof(inode_list));
+ last->next = curr;
+ curr->dev = dev;
+ curr->inode = inode;
curr->next = NULL;
- return 1;
+ return 1;
}
-static int fuser_scan_proc_net(int opts, const char *proto,
- int port, inode_list *ilist)
+static int fuser_scan_proc_net(int opts, const char *proto,
+ int port, inode_list *ilist)
{
char path[sizeof(FUSER_PROC_DIR)+12], line[FUSER_MAX_LINE+1];
char addr[128];
@@ -156,10 +156,10 @@ static int fuser_scan_proc_net(int opts, const char *proto,
"%*d: %64[0-9A-Fa-f]:%x %*x:%*x %*x %*x:%*x "
"%*x:%*x %*x %*d %*d %llu",
addr, &tmp_port, &uint64_inode) == 3) {
- if((strlen(addr) == 8) &&
+ if((strlen(addr) == 8) &&
(opts & FUSER_OPT_IP6)) continue;
else if((strlen(addr) > 8) &&
- (opts & FUSER_OPT_IP4)) continue;
+ (opts & FUSER_OPT_IP4)) continue;
if(tmp_port == port) {
tmp_inode = uint64_inode;
fuser_add_inode(ilist, tmp_dev, tmp_inode);
@@ -171,24 +171,24 @@ static int fuser_scan_proc_net(int opts, const char *proto,
return 1;
}
-static int fuser_search_dev_inode(int opts, inode_list *ilist,
- dev_t dev, ino_t inode)
+static int fuser_search_dev_inode(int opts, inode_list *ilist,
+ dev_t dev, ino_t inode)
{
- inode_list *curr;
- curr = ilist;
+ inode_list *curr;
+ curr = ilist;
- while(curr) {
+ while(curr) {
if((opts & FUSER_OPT_MOUNT) && curr->dev == dev)
return 1;
if(curr->inode == inode && curr->dev == dev)
return 1;
- curr = curr->next;
- }
- return 0;
+ curr = curr->next;
+ }
+ return 0;
}
static int fuser_scan_pid_maps(int opts, const char *fname, pid_t pid,
- inode_list *ilist, pid_list *plist)
+ inode_list *ilist, pid_list *plist)
{
FILE *file;
char line[FUSER_MAX_LINE + 1];
@@ -199,28 +199,28 @@ static int fuser_scan_pid_maps(int opts, const char *fname, pid_t pid,
if (!(file = fopen(fname, "r"))) return 0;
while (fgets(line, FUSER_MAX_LINE, file)) {
- if(sscanf(line, "%*s %*s %*s %x:%x %llu",
+ if(sscanf(line, "%*s %*s %*s %x:%x %llu",
&major, &minor, &uint64_inode) != 3) continue;
inode = uint64_inode;
if(major == 0 && minor == 0 && inode == 0) continue;
- dev = makedev(major, minor);
+ dev = makedev(major, minor);
if(fuser_search_dev_inode(opts, ilist, dev, inode)) {
fuser_add_pid(plist, pid);
}
-
+
}
fclose(file);
return 1;
}
-static int fuser_scan_link(int opts, const char *lname, pid_t pid,
- inode_list *ilist, pid_list *plist)
+static int fuser_scan_link(int opts, const char *lname, pid_t pid,
+ inode_list *ilist, pid_list *plist)
{
ino_t inode;
- dev_t dev;
+ dev_t dev;
if(!fuser_file_to_dev_inode(lname, &dev, &inode)) return 0;
- if(fuser_search_dev_inode(opts, ilist, dev, inode))
+ if(fuser_search_dev_inode(opts, ilist, dev, inode))
fuser_add_pid(plist, pid);
return 1;
}
@@ -245,9 +245,9 @@ static int fuser_scan_dir_links(int opts, const char *dname, pid_t pid,
else return 0;
return 1;
-}
+}
-static int fuser_scan_proc_pids(int opts, inode_list *ilist, pid_list *plist)
+static int fuser_scan_proc_pids(int opts, inode_list *ilist, pid_list *plist)
{
DIR *d;
struct dirent *de;
@@ -261,7 +261,7 @@ static int fuser_scan_proc_pids(int opts, inode_list *ilist, pid_list *plist)
dname = concat_subpath_file(FUSER_PROC_DIR, de->d_name);
if(chdir(dname) < 0) {
free(dname);
- continue;
+ continue;
}
free(dname);
fuser_scan_link(opts, "cwd", pid, ilist, plist);
@@ -272,8 +272,8 @@ static int fuser_scan_proc_pids(int opts, inode_list *ilist, pid_list *plist)
fuser_scan_dir_links(opts, "mmap", pid, ilist, plist);
fuser_scan_pid_maps(opts, "maps", pid, ilist, plist);
chdir("..");
- }
- closedir(d);
+ }
+ closedir(d);
return 1;
}
@@ -290,22 +290,22 @@ static int fuser_print_pid_list(pid_list *plist) {
}
static int fuser_kill_pid_list(pid_list *plist, int sig) {
- pid_list *curr = plist;
+ pid_list *curr = plist;
pid_t mypid = getpid();
int success = 1;
if(plist == NULL) return 0;
- while(curr != NULL) {
+ while(curr != NULL) {
if(curr->pid > 0 && curr->pid != mypid) {
- if (kill(curr->pid, sig) != 0) {
- bb_perror_msg(
+ if (kill(curr->pid, sig) != 0) {
+ bb_perror_msg(
"Could not kill pid '%d'", curr->pid);
- success = 0;
+ success = 0;
}
}
- curr = curr->next;
- }
- return success;
+ curr = curr->next;
+ }
+ return success;
}
extern int fuser_main(int argc, char **argv) {
@@ -324,7 +324,7 @@ extern int fuser_main(int argc, char **argv) {
fni = xmalloc(sizeof(int));
for(i=1;i<argc;i++) {
optn = fuser_option(argv[i]);
- if(optn) opt |= optn;
+ if(optn) opt |= optn;
else if(argv[i][0] == '-') {
if(!(u_signal_names(argv[i]+1, &killsig, 0)))
killsig = SIGTERM;
@@ -368,4 +368,4 @@ extern int fuser_main(int argc, char **argv) {
free(inodes);
/* return 0 on (success == 1) 1 otherwise */
return (success != 1);
-}
+}
generated by cgit v1.1 at 2024-12-27 21:07:33 +0000