Add gaussian blur and unshaping kernels

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/util/emalloc.h b/src/util/emalloc.h
index 214a773..39efcea 100644
--- a/src/util/emalloc.h
+++ b/src/util/emalloc.h
@@ -4,12 +4,14 @@
 
 #define emalloc(...)   enmalloc(1, __VA_ARGS__)
 #define emalloc2(...)  enmalloc2(1, __VA_ARGS__)
+#define emalloc3(...)  enmalloc3(1, __VA_ARGS__)
 #define ecalloc(...)   encalloc(1, __VA_ARGS__)
 #define erealloc(...)  enrealloc(1, __VA_ARGS__)
 #define erealloc2(...) enrealloc2(1, __VA_ARGS__)
 #define erealloc3(...) enrealloc3(1, __VA_ARGS__)
 
 #define malloc2(n, m)           malloc(n * m);
+#define malloc3(n1, n2, n3)     malloc(n1 * n2 * n3);
 #define realloc2(p, n, m)       realloc(p, n * m);
 #define realloc3(p, n1, n2, n3) realloc(p, n1 * n2 * n3);
 
@@ -32,6 +34,18 @@ enmalloc2(int status, size_t n, size_t m)
 }
 
 static inline void *
+enmalloc3(int status, size_t n1, size_t n2, size_t n3)
+{
+	void *ptr;
+	size_t n = n1;
+	if (n2 > SIZE_MAX / n ||
+	    n3 > SIZE_MAX / (n *= n2) ||
+	    !(ptr = malloc(n * n3)))
+		enprintf(status, "malloc: out of memory\n");
+	return ptr;
+}
+
+static inline void *
 encalloc(int status, size_t n, size_t m)
 {
 	void *ptr = calloc(n, m);