BUILD: debug: avoid build warnings with DEBUG_MEM_STATS
Some libcs define strdup() as a macro and cause redefine warnings to
be emitted, so let's first undefine all functions we redefine.
diff --git a/include/haproxy/bug.h b/include/haproxy/bug.h
index 99e585e..a008126 100644
--- a/include/haproxy/bug.h
+++ b/include/haproxy/bug.h
@@ -93,6 +93,7 @@
int type;
};
+#undef calloc
#define calloc(x,y) ({ \
size_t __x = (x); size_t __y = (y); \
static struct mem_stats _ __attribute__((used,__section__("mem_stats"))) = { \
@@ -106,6 +107,10 @@
calloc(__x,__y); \
})
+/* note: we can't redefine free() because we have a few variables and struct
+ * members called like this.
+ */
+#undef __free
#define __free(x) ({ \
void *__x = (x); \
static struct mem_stats _ __attribute__((used,__section__("mem_stats"))) = { \
@@ -118,6 +123,7 @@
free(__x); \
})
+#undef malloc
#define malloc(x) ({ \
size_t __x = (x); \
static struct mem_stats _ __attribute__((used,__section__("mem_stats"))) = { \
@@ -131,6 +137,7 @@
malloc(__x); \
})
+#undef realloc
#define realloc(x,y) ({ \
void *__x = (x); size_t __y = (y); \
static struct mem_stats _ __attribute__((used,__section__("mem_stats"))) = { \
@@ -144,6 +151,7 @@
realloc(__x,__y); \
})
+#undef strdup
#define strdup(x) ({ \
const char *__x = (x); size_t __y = strlen(__x); \
static struct mem_stats _ __attribute__((used,__section__("mem_stats"))) = { \