From 41312e6f5f952c043fd84624960582491a78ac4e Mon Sep 17 00:00:00 2001
From: tylo <tylo@norceresearch.no>
Date: Fri, 7 Aug 2020 15:24:49 +0200
Subject: Removed alloca usage.

---
 stc/cdefs.h | 2 +-
 stc/cstr.h  | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/stc/cdefs.h b/stc/cdefs.h
index 3a50df0e..6389b779 100644
--- a/stc/cdefs.h
+++ b/stc/cdefs.h
@@ -59,7 +59,7 @@
 #define c_new(T)        ((T *) malloc(sizeof(T)))
 #define c_new_n(T, n)   ((T *) malloc(sizeof(T) * (n)))
 
-#define c_max_alloca    (1000)
+#define c_max_alloca    (512)
 #define c_swap(T, x, y) { T __t = x; x = y; y = __t; }
 #ifdef __cplusplus
 #define c_nullptr       nullptr
diff --git a/stc/cstr.h b/stc/cstr.h
index 886fc0a8..0ad7394c 100644
--- a/stc/cstr.h
+++ b/stc/cstr.h
@@ -23,14 +23,13 @@
 #ifndef CSTR__H__
 #define CSTR__H__
 
-#include <stdlib.h> /* alloca, malloc */
-#include <malloc.h>
+#include <stdlib.h> /* malloc */
 #include <string.h>
 #include <stdarg.h>
 #include <stdio.h> /* vsnprintf */
-
 #include "cdefs.h"
 
+
 typedef struct cstr_t {
     char* str;
 } cstr_t;
@@ -283,7 +282,8 @@ STC_INLINE void _cstr_internal_move(cstr_t* self, size_t pos1, size_t pos2) {
 
 STC_API void
 cstr_replace_n(cstr_t* self, size_t pos, size_t len, const char* str, size_t n) {
-    char* xstr = (char *) memcpy(n > c_max_alloca ? malloc(n) : alloca(n), str, n);
+    char buf[c_max_alloca];
+    char* xstr = (char *) memcpy(n > c_max_alloca ? malloc(n) : buf, str, n);
     _cstr_internal_move(self, pos + len, pos + n);
     memcpy(&self->str[pos], xstr, n);
     if (n > c_max_alloca) free(xstr);
-- 
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