unsigned counters

Use unsigned variables for storing the count of items or for iteration
variables.  Since there can never be a negative number of items, it
makes sense to use an unsigned data type here.  This change is safe
because the unsigned values are only used for adddressing array items.

git-svn-id: https://svn.musicpd.org/mpd/trunk@7214 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Max Kellermann 2008-03-26 10:38:48 +00:00 committed by Eric Wong
parent e4779fa752
commit 1d97bbbdd9
2 changed files with 13 additions and 13 deletions

View File

@ -42,7 +42,7 @@
#define INTERFACE_MAX_OUTPUT_BUFFER_SIZE_DEFAULT (8192*1024) #define INTERFACE_MAX_OUTPUT_BUFFER_SIZE_DEFAULT (8192*1024)
/* set this to zero to indicate we have no possible interfaces */ /* set this to zero to indicate we have no possible interfaces */
static int interface_max_connections; /*INTERFACE_MAX_CONNECTIONS_DEFAULT; */ static unsigned int interface_max_connections; /*INTERFACE_MAX_CONNECTIONS_DEFAULT; */
static int interface_timeout = INTERFACE_TIMEOUT_DEFAULT; static int interface_timeout = INTERFACE_TIMEOUT_DEFAULT;
static size_t interface_max_command_list_size = static size_t interface_max_command_list_size =
INTERFACE_MAX_COMMAND_LIST_DEFAULT; INTERFACE_MAX_COMMAND_LIST_DEFAULT;
@ -73,7 +73,7 @@ typedef struct _Interface {
size_t deferred_bytes; /* mem deferred_send consumes */ size_t deferred_bytes; /* mem deferred_send consumes */
int expired; /* set whether this interface should be closed on next int expired; /* set whether this interface should be closed on next
check of old interfaces */ check of old interfaces */
int num; /* interface number */ unsigned int num; /* interface number */
char *send_buf; char *send_buf;
size_t send_buf_used; /* bytes used this instance */ size_t send_buf_used; /* bytes used this instance */
@ -237,7 +237,7 @@ static void closeInterface(Interface * interface)
void openAInterface(int fd, struct sockaddr *addr) void openAInterface(int fd, struct sockaddr *addr)
{ {
int i; unsigned int i;
for (i = 0; i < interface_max_connections for (i = 0; i < interface_max_connections
&& interfaces[i].fd >= 0; i++) /* nothing */ ; && interfaces[i].fd >= 0; i++) /* nothing */ ;
@ -421,7 +421,7 @@ static int interfaceReadInput(Interface * interface)
static void addInterfacesReadyToReadAndListenSocketToFdSet(fd_set * fds, static void addInterfacesReadyToReadAndListenSocketToFdSet(fd_set * fds,
int *fdmax) int *fdmax)
{ {
int i; unsigned int i;
FD_ZERO(fds); FD_ZERO(fds);
addListenSocketsToFdSet(fds, fdmax); addListenSocketsToFdSet(fds, fdmax);
@ -438,7 +438,7 @@ static void addInterfacesReadyToReadAndListenSocketToFdSet(fd_set * fds,
static void addInterfacesForBufferFlushToFdSet(fd_set * fds, int *fdmax) static void addInterfacesForBufferFlushToFdSet(fd_set * fds, int *fdmax)
{ {
int i; unsigned int i;
FD_ZERO(fds); FD_ZERO(fds);
@ -456,7 +456,7 @@ static void closeNextErroredInterface(void)
{ {
fd_set fds; fd_set fds;
struct timeval tv; struct timeval tv;
int i; unsigned int i;
tv.tv_sec = 0; tv.tv_sec = 0;
tv.tv_usec = 0; tv.tv_usec = 0;
@ -478,7 +478,7 @@ int doIOForInterfaces(void)
fd_set rfds; fd_set rfds;
fd_set wfds; fd_set wfds;
fd_set efds; fd_set efds;
int i; unsigned int i;
int selret; int selret;
int fdmax; int fdmax;
@ -532,7 +532,7 @@ int doIOForInterfaces(void)
void initInterfaces(void) void initInterfaces(void)
{ {
int i; unsigned int i;
char *test; char *test;
ConfigParam *param; ConfigParam *param;
@ -597,7 +597,7 @@ void initInterfaces(void)
static void closeAllInterfaces(void) static void closeAllInterfaces(void)
{ {
int i; unsigned int i;
for (i = 0; i < interface_max_connections; i++) { for (i = 0; i < interface_max_connections; i++) {
if (interfaces[i].fd >= 0) if (interfaces[i].fd >= 0)
@ -619,7 +619,7 @@ void freeAllInterfaces(void)
void closeOldInterfaces(void) void closeOldInterfaces(void)
{ {
int i; unsigned int i;
for (i = 0; i < interface_max_connections; i++) { for (i = 0; i < interface_max_connections; i++) {
if (interfaces[i].fd >= 0) { if (interfaces[i].fd >= 0) {
@ -685,7 +685,7 @@ static void flushInterfaceBuffer(Interface * interface)
int interfacePrintWithFD(int fd, char *buffer, size_t buflen) int interfacePrintWithFD(int fd, char *buffer, size_t buflen)
{ {
static int i; static unsigned int i;
size_t copylen; size_t copylen;
Interface *interface; Interface *interface;

View File

@ -50,7 +50,7 @@ static void get_state_file_path(void)
void write_state_file(void) void write_state_file(void)
{ {
int i; unsigned int i;
FILE *fp; FILE *fp;
if (!sfpath) if (!sfpath)
@ -72,7 +72,7 @@ void write_state_file(void)
void read_state_file(void) void read_state_file(void)
{ {
struct stat st; struct stat st;
int i; unsigned int i;
FILE *fp; FILE *fp;
get_state_file_path(); get_state_file_path();