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-rw-r--r--common.h44
1 files changed, 31 insertions, 13 deletions
diff --git a/common.h b/common.h
index f8531bcbd..469f8f1ae 100644
--- a/common.h
+++ b/common.h
@@ -60,6 +60,10 @@
#error Cannot enable c2 debugging without c2 support.
#endif
+#ifndef COMPTON_VERSION
+#define COMPTON_VERSION "unknown"
+#endif
+
// === Includes ===
// For some special functions
@@ -132,6 +136,12 @@
#define MSTR_(s) #s
#define MSTR(s) MSTR_(s)
+/// @brief Wrapper for gcc branch prediction builtin, for likely branch.
+#define likely(x) __builtin_expect(!!(x), 1)
+
+/// @brief Wrapper for gcc branch prediction builtin, for unlikely branch.
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
/// Print out an error message.
#define printf_err(format, ...) \
fprintf(stderr, format "\n", ## __VA_ARGS__)
@@ -431,9 +441,13 @@ typedef struct {
// === General ===
/// The configuration file we used.
char *config_file;
+ /// Path to write PID to.
+ char *write_pid_path;
/// The display name we used. NULL means we are using the value of the
/// <code>DISPLAY</code> environment variable.
char *display;
+ /// Safe representation of display name.
+ char *display_repr;
/// The backend in use.
enum backend backend;
/// Whether to avoid using stencil buffer under GLX backend. Might be
@@ -986,7 +1000,7 @@ typedef struct _win {
/// _NET_WM_OPACITY value
opacity_t opacity_prop_client;
/// Last window opacity value we set.
- long opacity_set;
+ opacity_t opacity_set;
// Fading-related members
/// Do not fade if it's false. Change on window type change.
@@ -1150,6 +1164,15 @@ allocchk_(const char *func_name, void *ptr) {
/// @brief Wrapper of allocchk_().
#define allocchk(ptr) allocchk_(__func__, ptr)
+/// @brief Wrapper of malloc().
+#define cmalloc(nmemb, type) ((type *) allocchk(malloc((nmemb) * sizeof(type))))
+
+/// @brief Wrapper of calloc().
+#define ccalloc(nmemb, type) ((type *) allocchk(calloc((nmemb), sizeof(type))))
+
+/// @brief Wrapper of ealloc().
+#define crealloc(ptr, nmemb, type) ((type *) allocchk(realloc((ptr), (nmemb) * sizeof(type))))
+
/**
* Return whether a struct timeval value is empty.
*/
@@ -1310,10 +1333,7 @@ print_timestamp(session_t *ps) {
*/
static inline char *
mstrcpy(const char *src) {
- char *str = malloc(sizeof(char) * (strlen(src) + 1));
-
- if (!str)
- printf_errfq(1, "(): Failed to allocate memory.");
+ char *str = cmalloc(strlen(src) + 1, char);
strcpy(str, src);
@@ -1325,10 +1345,7 @@ mstrcpy(const char *src) {
*/
static inline char *
mstrncpy(const char *src, unsigned len) {
- char *str = malloc(sizeof(char) * (len + 1));
-
- if (!str)
- printf_errfq(1, "(): Failed to allocate memory.");
+ char *str = cmalloc(len + 1, char);
strncpy(str, src, len);
str[len] = '\0';
@@ -1341,7 +1358,7 @@ mstrncpy(const char *src, unsigned len) {
*/
static inline char *
mstrjoin(const char *src1, const char *src2) {
- char *str = malloc(sizeof(char) * (strlen(src1) + strlen(src2) + 1));
+ char *str = cmalloc(strlen(src1) + strlen(src2) + 1, char);
strcpy(str, src1);
strcat(str, src2);
@@ -1354,8 +1371,8 @@ mstrjoin(const char *src1, const char *src2) {
*/
static inline char *
mstrjoin3(const char *src1, const char *src2, const char *src3) {
- char *str = malloc(sizeof(char) * (strlen(src1) + strlen(src2)
- + strlen(src3) + 1));
+ char *str = cmalloc(strlen(src1) + strlen(src2)
+ + strlen(src3) + 1, char);
strcpy(str, src1);
strcat(str, src2);
@@ -1369,7 +1386,8 @@ mstrjoin3(const char *src1, const char *src2, const char *src3) {
*/
static inline void
mstrextend(char **psrc1, const char *src2) {
- *psrc1 = realloc(*psrc1, (*psrc1 ? strlen(*psrc1): 0) + strlen(src2) + 1);
+ *psrc1 = crealloc(*psrc1, (*psrc1 ? strlen(*psrc1): 0) + strlen(src2) + 1,
+ char);
strcat(*psrc1, src2);
}