Added clarification comment for implementation of check()

2017-07-14 23:20:51 -04:00
parent c422a9bed9
commit 9267fc5bd3
1 changed files with 1 additions and 0 deletions
--- a/src/Private/TGAPrivate.h
+++ b/src/Private/TGAPrivate.h
@@ -38,6 +38,7 @@ extern char tga_err_string[TGA_ERR_MAX];
    #define do_print_err(...)
 #endif/*_TGA_DEBUG*/

+/* Do-while loop is necessary to avoid problems when embedded in an if/else */
 #define check(A, _NY_ERR, ...)                                  \
    do {                                                        \
        if(!(A)) {                                              \