From 9c5776b6200946dac21d981fc145fc818014cd5c Mon Sep 17 00:00:00 2001
From: "Begerad, Stefan" <dialog@swingbe.de>
Date: Wed, 18 Jan 2023 15:18:10 +0100
Subject: [PATCH] feat: adjust sprintf

---
 sprintf/main.c   | 16 +++++++++++-----
 sprintf/makefile |  2 +-
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/sprintf/main.c b/sprintf/main.c
index 35df1d0..0201af5 100644
--- a/sprintf/main.c
+++ b/sprintf/main.c
@@ -6,18 +6,24 @@
 
 int main()
 {
-  /*'postgresql://begerad:secret@localhost:5432/sib00_vbn_gtfs'*/
+  /*declaration*/
+  int cx;
   int port = 5432;
   char * user = "begerad";
   char * secret = "secret";
   char * host = "localhost";
   char * db = "vbn_data";
-  char pqConInfo[100];
+  const int pqConInfoSize = 100;
+  char pqConInfo[pqConInfoSize];
     
   printf("main() Started...\n");
-
-  sprintf(pqConInfo,"postgresql://%s:%s@%s:%d/%s",user,secret,host,port,db);
-  printf("main() pqConInfo: %s\n",pqConInfo);
+  cx = snprintf(pqConInfo,pqConInfoSize,"postgresql://%s:%s@%s:%d/%s",user,secret,host,port,db);
+  if(cx>=0 && cx<pqConInfoSize){
+    printf("main() pqConInfo: %s\n",pqConInfo);
+    printf("main() cx: %d\n",cx);
+  }else{
+    fprintf(stderr,"main() error creating pqConInfo\n");
+  }
   printf("main() Done.\n");
   return 0;
 }
diff --git a/sprintf/makefile b/sprintf/makefile
index f4070c9..33ee62f 100644
--- a/sprintf/makefile
+++ b/sprintf/makefile
@@ -7,7 +7,7 @@ EXE    = main
 
 # Compiler, Linker Defines
 CC      = /usr/bin/gcc
-CFLAGS  = -ansi -pedantic -Wall -O2
+CFLAGS  = -Wall
 LIBPATH = -L.
 LDFLAGS = -o $(EXE) $(LIBPATH) $(LIBS)
 CFDEBUG = -ansi -pedantic -Wall -g -DDEBUG $(LDFLAGS)