Move the bulk of ks_resize() to a non-inlined helper function

htslib/kstring.h

@@ -144,15 +144,9 @@ static inline void ks_initialize(kstring_t *s)
 /// Resize a kstring to a given capacity
 static inline int ks_resize(kstring_t *s, size_t size)
 {
-	if (s->m < size) {
-		char *tmp;
-		kroundup_size_t(size);
-		tmp = (char*)realloc(s->s, size);
-		if (!tmp && size)
-		    return -1;
-		s->s = tmp;
-		s->m = size;
-	}
+	extern HTSLIB_EXPORT int ks_resize2(kstring_t *s, size_t size);
+
+	if (s->m < size) return ks_resize2(s, size);
 	return 0;
 }
 

kstring.c

@@ -35,6 +35,19 @@
 #include <math.h>
 #include "htslib/kstring.h"
 
+HTSLIB_EXPORT
+int ks_resize2(kstring_t *s, size_t size)
+{
+	char *tmp;
+	kroundup_size_t(size);
+	tmp = (char*)realloc(s->s, size);
+	if (!tmp && size)
+		return -1;
+	s->s = tmp;
+	s->m = size;
+	return 0;
+}
+
 int kputd(double d, kstring_t *s) {
 	int len = 0;
 	char buf[21], *cp = buf+20, *ep;