change type check with stdint

diff --git a/src/kds_s2000w_image_type_check.c b/src/kds_s2000w_image_type_check.c
index ed5957d30b14ac2e5e2dd619391edafc873da618..f405ca652ba90c35055a182eee3f12873af8b9b5 100644 (file)
--- a/src/kds_s2000w_image_type_check.c
+++ b/src/kds_s2000w_image_type_check.c
@@ -2,7 +2,7 @@
 #include "kds_s2000w_debug.h"
 #include "kds_s2000w_image_type_check.h"
 
-int kds_s2000w_image_type_check_is_tiff(blobdata* image)
+uint8_t kds_s2000w_image_type_check_is_tiff(blobdata* image)
 {
        kds_s2000w_debug_printf(ALL, "kds_s2000w_image_type_check_is_tiff");
 
@@ -11,7 +11,7 @@ int kds_s2000w_image_type_check_is_tiff(blobdata* image)
 
        char* image_data = (char*) image->data;
 
-       int result = image_data[0] == (char)0x49;
+       uint8_t result = image_data[0] == (char)0x49;
        result = result && image_data[1] == (char)0x49;
        result = result && image_data[2] == (char)0x2A;
        result = result && image_data[3] == (char)0x00;
@@ -25,7 +25,7 @@ int kds_s2000w_image_type_check_is_tiff(blobdata* image)
        return result && image_data[3] == (char)0x2A;
 }
 
-int kds_s2000w_image_type_check_is_pnm(blobdata* image)
+uint8_t kds_s2000w_image_type_check_is_pnm(blobdata* image)
 {
        kds_s2000w_debug_printf(ALL, "kds_s2000w_image_type_check_is_pnm");
 
@@ -39,7 +39,7 @@ int kds_s2000w_image_type_check_is_pnm(blobdata* image)
        return strncmp(image_data, "P4", 2) == 0;
 }
 
-int kds_s2000w_image_type_check_is_jpeg(blobdata* image)
+uint8_t kds_s2000w_image_type_check_is_jpeg(blobdata* image)
 {
        kds_s2000w_debug_printf(ALL, "kds_s2000w_image_type_check_is_jpeg");
 
@@ -48,6 +48,6 @@ int kds_s2000w_image_type_check_is_jpeg(blobdata* image)
 
        char* image_data = (char*) image->data;
 
-       int result = image_data[0] == (char)0xff;
+       uint8_t result = image_data[0] == (char)0xff;
        return result && image_data[1] == (char)0xd8;
 }
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diff --git a/src/kds_s2000w_image_type_check.h b/src/kds_s2000w_image_type_check.h
index 9de38aeabc5f7608676ed80ff376b35c0ea841b0..d82665face07c267f4636ffe722e6b3e5c93ec13 100644 (file)
--- a/src/kds_s2000w_image_type_check.h
+++ b/src/kds_s2000w_image_type_check.h
@@ -1,9 +1,10 @@
 #ifndef KDS_S2000W_IMAGE_TYPE_CHECK_H
 #define KDS_S2000W_IMAGE_TYPE_CHECK_H
+#include <stdint.h>
 #include "kds_s2000w_image_converter.h"
 
-int kds_s2000w_image_type_check_is_tiff(blobdata* image);
-int kds_s2000w_image_type_check_is_pnm(blobdata* image);
-int kds_s2000w_image_type_check_is_jpeg(blobdata* image);
+uint8_t kds_s2000w_image_type_check_is_tiff(blobdata* image);
+uint8_t kds_s2000w_image_type_check_is_pnm(blobdata* image);
+uint8_t kds_s2000w_image_type_check_is_jpeg(blobdata* image);
 
 #endif
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