diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProcPc_gen_BG1_avx2.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProcPc_gen_BG1_avx2.c
index 4f0e442e18..61e9ae831f 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProcPc_gen_BG1_avx2.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProcPc_gen_BG1_avx2.c
@@ -14,10 +14,13 @@ void nrLDPC_bnProcPc_BG1_generator_AVX2(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[500];
-  sprintf(fname,"../ldpc_gen_files/bnProcPc/nrLDPC_bnProcPc_BG1_R%s_AVX2.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/bnProcPc/nrLDPC_bnProcPc_BG1_R%s_AVX2.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create \n");abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
 //  fprintf(fd,"#include <stdint.h>\n");
 //  fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProcPc_gen_BG2_avx2.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProcPc_gen_BG2_avx2.c
index e480604e56..6698b25614 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProcPc_gen_BG2_avx2.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProcPc_gen_BG2_avx2.c
@@ -14,10 +14,13 @@ void nrLDPC_bnProcPc_BG2_generator_AVX2(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[50];
-  sprintf(fname,"../ldpc_gen_files/bnProcPc/nrLDPC_bnProcPc_BG2_R%s_AVX2.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/bnProcPc/nrLDPC_bnProcPc_BG2_R%s_AVX2.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create \n");abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
 //  fprintf(fd,"#include <stdint.h>\n");
   //fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProc_gen_BG1_avx2.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProc_gen_BG1_avx2.c
index 736841cb4e..726dce8361 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProc_gen_BG1_avx2.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProc_gen_BG1_avx2.c
@@ -15,10 +15,13 @@ void nrLDPC_bnProc_BG1_generator_AVX2(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[500];
-  sprintf(fname,"../ldpc_gen_files/bnProc/nrLDPC_bnProc_BG1_R%s_AVX2.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/bnProc/nrLDPC_bnProc_BG1_R%s_AVX2.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create \n");abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
   //fprintf(fd,"#include <stdint.h>\n");
   //fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProc_gen_BG2_avx2.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProc_gen_BG2_avx2.c
index 81f9798e4d..3f71dcfa55 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProc_gen_BG2_avx2.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc/bnProc_gen_BG2_avx2.c
@@ -15,10 +15,13 @@ void nrLDPC_bnProc_BG2_generator_AVX2(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[150];
-  sprintf(fname,"../ldpc_gen_files/bnProc/nrLDPC_bnProc_BG2_R%s_AVX2.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/bnProc/nrLDPC_bnProc_BG2_R%s_AVX2.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create \n");abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
 
 
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProcPc_gen_BG1_avx512.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProcPc_gen_BG1_avx512.c
index 3be26012a5..6a205da584 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProcPc_gen_BG1_avx512.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProcPc_gen_BG1_avx512.c
@@ -15,10 +15,13 @@ void nrLDPC_bnProcPc_BG1_generator_AVX512(int R)
 
 
 
-  char fname[500];
-  sprintf(fname,"../ldpc_gen_files/bnProcPc_avx512/nrLDPC_bnProcPc_BG1_R%s_AVX512.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/bnProcPc_avx512/nrLDPC_bnProcPc_BG1_R%s_AVX512.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create %s\n",fname);abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
 
 
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProcPc_gen_BG2_avx512.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProcPc_gen_BG2_avx512.c
index 8b1a18ee25..c23deeb513 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProcPc_gen_BG2_avx512.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProcPc_gen_BG2_avx512.c
@@ -15,10 +15,13 @@ void nrLDPC_bnProcPc_BG2_generator_AVX512(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[500];
-  sprintf(fname,"../ldpc_gen_files/bnProcPc_avx512/nrLDPC_bnProcPc_BG2_R%s_AVX512.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/bnProcPc_avx512/nrLDPC_bnProcPc_BG2_R%s_AVX512.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create %s\n",fname);abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
 //  fprintf(fd,"#include <stdint.h>\n");
   //fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProc_gen_BG1_avx512.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProc_gen_BG1_avx512.c
index 114f1b5422..7c61b08df2 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProc_gen_BG1_avx512.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProc_gen_BG1_avx512.c
@@ -15,10 +15,13 @@ void nrLDPC_bnProc_BG1_generator_AVX512(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[500];
-  sprintf(fname,"../ldpc_gen_files/bnProc_avx512/nrLDPC_bnProc_BG1_R%s_AVX512.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/bnProc_avx512/nrLDPC_bnProc_BG1_R%s_AVX512.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create %s\n",fname);abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
   //fprintf(fd,"#include <stdint.h>\n");
   //fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProc_gen_BG2_avx512.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProc_gen_BG2_avx512.c
index 780001bbe1..5e59af420b 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProc_gen_BG2_avx512.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/bnProc_gen_BG2_avx512.c
@@ -15,10 +15,13 @@ void nrLDPC_bnProc_BG2_generator_AVX512(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[500];
-  sprintf(fname,"../ldpc_gen_files/bnProc_avx512/nrLDPC_bnProc_BG2_R%s_AVX512.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/bnProc_avx512/nrLDPC_bnProc_BG2_R%s_AVX512.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create %s\n",fname);abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
   fprintf(fd,"#include <stdint.h>\n");
   fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/main.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/main.c
index 2bc870f17b..8a486d0653 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/main.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512/main.c
@@ -1,6 +1,7 @@
 
 #include <stdio.h>
 #include <stdint.h>
+#include <stdlib.h>
 #define NB_R  3
 void nrLDPC_bnProc_BG1_generator_AVX512(int);
 void nrLDPC_bnProc_BG2_generator_AVX512(int);
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc/cnProc_gen_BG1_avx2.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc/cnProc_gen_BG1_avx2.c
index 8faec78584..b4106d1c3e 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc/cnProc_gen_BG1_avx2.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc/cnProc_gen_BG1_avx2.c
@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>
 #include "../../nrLDPCdecoder_defs.h"
@@ -11,10 +12,13 @@ void nrLDPC_cnProc_BG1_generator_AVX2(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[150];
-  sprintf(fname,"../ldpc_gen_files/cnProc/nrLDPC_cnProc_BG1_R%s_AVX2.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/cnProc/nrLDPC_cnProc_BG1_R%s_AVX2.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create \n");abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
   fprintf(fd,"#include <stdint.h>\n");
   fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc/cnProc_gen_BG2_avx2.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc/cnProc_gen_BG2_avx2.c
index 52d0b2d1d6..647d79aa27 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc/cnProc_gen_BG2_avx2.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc/cnProc_gen_BG2_avx2.c
@@ -15,10 +15,13 @@ void nrLDPC_cnProc_BG2_generator_AVX2(int R)
 
 //  system("mkdir -p ldpc_gen_files/avx2");
 
-  char fname[500];
-  sprintf(fname,"../ldpc_gen_files/cnProc/nrLDPC_cnProc_BG2_R%s_AVX2.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/cnProc/nrLDPC_cnProc_BG2_R%s_AVX2.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create \n");abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
   fprintf(fd,"#include <stdint.h>\n");
   fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512/cnProc_gen_BG1_avx512.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512/cnProc_gen_BG1_avx512.c
index b9ab259bd2..8d567768ed 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512/cnProc_gen_BG1_avx512.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512/cnProc_gen_BG1_avx512.c
@@ -12,10 +12,13 @@ void nrLDPC_cnProc_BG1_generator_AVX512(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[500];
-  sprintf(fname,"../ldpc_gen_files/cnProc_avx512/nrLDPC_cnProc_BG1_R%s_AVX512.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/cnProc_avx512/nrLDPC_cnProc_BG1_R%s_AVX512.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create \n");abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
  // fprintf(fd,"#include <stdint.h>\n");
 //  fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512/cnProc_gen_BG2_avx512.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512/cnProc_gen_BG2_avx512.c
index b046d8e2fa..ee00cdbe35 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512/cnProc_gen_BG2_avx512.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512/cnProc_gen_BG2_avx512.c
@@ -1,5 +1,4 @@
-
-
+#include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>
 #include "../../nrLDPCdecoder_defs.h"
@@ -13,10 +12,13 @@ void nrLDPC_cnProc_BG2_generator_AVX512(int R)
 
  // system("mkdir -p ../ldpc_gen_files");
 
-  char fname[150];
-  sprintf(fname,"../ldpc_gen_files/cnProc_avx512/nrLDPC_cnProc_BG2_R%s_AVX512.h",ratestr[R]);
+  char fname[FILENAME_MAX+1];
+  snprintf(fname, sizeof(fname), "../ldpc_gen_files/cnProc_avx512/nrLDPC_cnProc_BG2_R%s_AVX512.h", ratestr[R]);
   FILE *fd=fopen(fname,"w");
-  if (fd == NULL) {printf("Cannot create \n");abort();}
+  if (fd == NULL) {
+    printf("Cannot create file %s\n", fname);
+    abort();
+  }
 
   //fprintf(fd,"#include <stdint.h>\n");
 //  fprintf(fd,"#include <immintrin.h>\n");
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/run_ldpc_generators.sh b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/run_ldpc_generators.sh
index 8b19db7ce2..b6f59eb8c7 100755
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/run_ldpc_generators.sh
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/run_ldpc_generators.sh
@@ -1,12 +1,17 @@
-rm -rf $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files
-mkdir $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files
-mkdir $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files/cnProc
-mkdir $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files/cnProc_avx512
-mkdir $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files/bnProc
-mkdir $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files/bnProc_avx512
-mkdir $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files/bnProcPc
-mkdir $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files/bnProcPc_avx512
-cd $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc; make;./bnProc_gen_avx2
-cd $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc; make;./cnProc_gen_avx2
-cd $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_bnProc_avx512;make;./bnProc_gen_avx512
-cd $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/generator_cnProc_avx512;make;./cnProc_gen_avx512
+#!/bin/bash
+$(
+cd $OPENAIR_HOME/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools
+rm -rf ldpc_gen_files
+mkdir ldpc_gen_files
+cd ldpc_gen_files
+mkdir cnProc
+mkdir cnProc_avx512
+mkdir bnProc
+mkdir bnProc_avx512
+mkdir bnProcPc
+mkdir bnProcPc_avx512
+cd ../generator_bnProc; make; make clean; ./bnProc_gen_avx2
+cd ../generator_cnProc; make; make clean; ./cnProc_gen_avx2
+cd ../generator_bnProc_avx512; make; make clean; ./bnProc_gen_avx512
+cd ../generator_cnProc_avx512; make; make clean; ./cnProc_gen_avx512
+)