Added the possibility to inject a config file.

1 files changed, 35 insertions, 17 deletions

diff --git a/printf.c b/printf.c
index 1dcaef6..b3433d6 100644
--- a/printf.c
+++ b/printf.c
@@ -10,10 +10,10 @@
 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 // copies of the Software, and to permit persons to whom the Software is

 // furnished to do so, subject to the following conditions:

-// 

+//

 // The above copyright notice and this permission notice shall be included in

 // all copies or substantial portions of the Software.

-// 

+//

 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

@@ -32,29 +32,47 @@
 

 #include <stdbool.h>

 #include <stdint.h>

+

 #include "printf.h"

 

+// define this globally (e.g. gcc -DPRINTF_INCLUDE_CONFIG_H ...) to include the

+// printf_config.h header file

+#ifdef PRINTF_INCLUDE_CONFIG_H

+  #include "printf_config.h"

+#endif

 

-// ntoa conversion buffer size, this must be big enough to hold

-// one converted numeric number including padded zeros (dynamically created on stack)

-// 32 byte is a good default

-#define PRINTF_NTOA_BUFFER_SIZE    32U

+// 'ntoa' conversion buffer size, this must be big enough to hold one converted

+// numeric number including padded zeros (dynamically created on stack)

+// default: 32 byte

+#ifndef PRINTF_NTOA_BUFFER_SIZE

+  #define PRINTF_NTOA_BUFFER_SIZE    32U

+#endif

 

-// ftoa conversion buffer size, this must be big enough to hold

-// one converted float number including padded zeros (dynamically created on stack)

-// 32 byte is a good default

-#define PRINTF_FTOA_BUFFER_SIZE    32U

+// 'ftoa' conversion buffer size, this must be big enough to hold one converted

+// float number including padded zeros (dynamically created on stack)

+// default: 32 byte

+#ifndef PRINTF_FTOA_BUFFER_SIZE

+  #define PRINTF_FTOA_BUFFER_SIZE    32U

+#endif

 

-// define this to support floating point (%f)

-#define PRINTF_SUPPORT_FLOAT

+// support for the floating point type (%f)

+// default: activated

+#ifndef PRINTF_DISABLE_SUPPORT_FLOAT

+  #define PRINTF_SUPPORT_FLOAT

+#endif

 

-// define this to support long long types (%llu or %p)

-#define PRINTF_SUPPORT_LONG_LONG

+// support for the long long types (%llu or %p)

+// default: activated

+#ifndef PRINTF_DISABLE_SUPPORT_LONG_LONG

+  #define PRINTF_SUPPORT_LONG_LONG

+#endif

 

-// define this to support the ptrdiff_t type (%t)

+// support for the ptrdiff_t type (%t)

 // ptrdiff_t is normally defined in <stddef.h> as long or long long type

-#define PRINTF_SUPPORT_PTRDIFF_T

-

+// default: activated

+#ifndef PRINTF_DISABLE_SUPPORT_PTRDIFF_T

+  #define PRINTF_SUPPORT_PTRDIFF_T

+#endif

 

 ///////////////////////////////////////////////////////////////////////////////