Test fix for negative numbers conversion

source/libublsettings-char.c

@@ -250,7 +250,7 @@ char *yon_char_from_int(int int_to_convert)
 {
     int i = snprintf( NULL, 0, "%d", int_to_convert );
     
-    char *ch = malloc(i * sizeof(char) + 1);
+    char *ch = malloc(i * sizeof(char) + 1+ int_to_convert<0?1:0);
     memset(ch,0,i * sizeof(char) + 1);
     sprintf(ch, "%d", int_to_convert);
     return ch;
@@ -264,7 +264,7 @@ char *yon_char_from_float(float int_to_convert)
     {
         convert_check = convert_check / 10;
     }
-    char *ch = malloc((i + 9)* sizeof(char));
+    char *ch = malloc((i + 9)* sizeof(char)+ int_to_convert<0?1:0);
     memset(ch,0,(i + 9)* sizeof(char));
     sprintf(ch, "%.2f", int_to_convert);
     return ch;
@@ -278,7 +278,7 @@ char *yon_char_from_double(double int_to_convert)
     {
         convert_check = convert_check / 10;
     }
-    char *ch = malloc((i + 9)* sizeof(char));
+    char *ch = malloc((i + 9)* sizeof(char)+ int_to_convert<0?1:0);
     memset(ch,0,(i + 9)* sizeof(char));
     sprintf(ch, "%.2f", int_to_convert);
     return ch;
@@ -286,7 +286,7 @@ char *yon_char_from_double(double int_to_convert)
 
 char *yon_char_from_long(long int_to_convert)
 {
-    size_t size = 20 * sizeof(char) + 1;
+    size_t size = 20 * sizeof(char) + 1 + int_to_convert<0?1:0;
     char *ch = malloc(size);
     memset(ch,0,size);
     sprintf(ch, "%ld", int_to_convert);