chore: Update the .editorconfig files and pacify editorconfig-checker

.editorconfig

@@ -10,29 +10,44 @@ trim_trailing_whitespace = true
 # Traditionally, the end-of-line character has been platform-specific.
 end_of_line = unset
 
+[*.txt]
+indent_style = space
+
 [*.[chS]]
 indent_style = space
+max_doc_length = 80
 max_line_length = 81
+# FIXME: max_line_length should be 80
 
-[*.{awk,cmake,dfa,in,sh}]
+[*.dfa]
 indent_style = space
+max_doc_length = 80
+max_line_length = 80
+
+[*.{awk,cmake}]
+indent_style = space
+max_doc_length = 80
 max_line_length = 100
 
-[*.txt]
+[*.{in,sh}]
 indent_style = space
-max_line_length = unset
+max_doc_length = 100
+max_line_length = 100
 
 [{Makefile.in,ltmain.sh}]
 indent_style = unset
 insert_final_newline = unset
+max_doc_length = unset
 max_line_length = unset
 trim_trailing_whitespace = unset
 
 [*~]
+end_of_line = unset
 indent_style = unset
 insert_final_newline = unset
-max_line_length = unset
 trim_trailing_whitespace = unset
 
 [COMMIT_EDITMSG]
+indent_style = space
+max_doc_length = unset
 max_line_length = 72

CMakeLists.txt

@@ -265,7 +265,7 @@ if(TARGET_ARCH MATCHES "^(loongarch)")
     if(COMPILER_SUPPORTS_LSX)
       set(libpng_loongarch_sources
           loongarch/loongarch_lsx_init.c
-	  loongarch/filter_lsx_intrinsics.c)
+          loongarch/filter_lsx_intrinsics.c)
       set_source_files_properties(${libpng_loongarch_sources}
                                   PROPERTIES
                                   COMPILE_FLAGS "-mlsx")
@@ -302,7 +302,7 @@ endif()
 
 # Set definitions and sources for LoongArch.
 if(TARGET_ARCH MATCHES "^(loongarch)")
-	add_definitions(-DPNG_LOONGARCH_LSX_OPT=0)
+  add_definitions(-DPNG_LOONGARCH_LSX_OPT=0)
 endif()
 
 endif(PNG_HARDWARE_OPTIMIZATIONS)

contrib/.editorconfig

@@ -2,12 +2,6 @@
 
 root = false
 
-[*]
-charset = unset
-end_of_line = unset
-indent_size = unset
-indent_style = unset
-insert_final_newline = unset
+[*.[ch]]
 max_doc_length = unset
 max_line_length = unset
-trim_trailing_whitespace = unset

contrib/examples/iccfrompng.c

@@ -80,7 +80,7 @@ extract(FILE *fp, png_uint_32 *proflen)
       }
 
       else
-	result = no_profile;
+         result = no_profile;
    }
 
    png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
@@ -155,7 +155,7 @@ extract_one_file(const char *filename)
       }
 
       else if (verbose && profile == no_profile)
-	printf("%s has no profile\n", filename);
+         printf("%s has no profile\n", filename);
    }
 
    else

contrib/gregbook/rpng-x.c

@@ -21,7 +21,7 @@
     - 1.10:  added support for non-default visuals; fixed X pixel-conversion
     - 1.11:  added extra set of parentheses to png_jmpbuf() macro; fixed
               command-line parsing bug
-    - 1.12:  fixed some small X memory leaks (thanks to François Petitjean)
+    - 1.12:  fixed some small X memory leaks (thanks to François Petitjean)
     - 1.13:  fixed XFreeGC() crash bug (thanks to Patrick Welche)
     - 1.14:  added support for X resources (thanks to Gerhard Niklasch)
     - 2.00:  dual-licensed (added GNU GPL)

contrib/gregbook/rpng2-x.c

@@ -27,7 +27,7 @@
     - 1.11:  added -usleep option for demos; fixed command-line parsing bug
     - 1.12:  added -pause option for demos and testing
     - 1.20:  added runtime MMX-enabling/disabling and new -mmx* options
-    - 1.21:  fixed some small X memory leaks (thanks to François Petitjean)
+    - 1.21:  fixed some small X memory leaks (thanks to François Petitjean)
     - 1.22:  fixed XFreeGC() crash bug (thanks to Patrick Welche)
     - 1.23:  added -bgpat 0 mode (std white/gray checkerboard, 8x8 squares)
     - 1.30:  added -loop option for -bgpat (ifdef FEATURE_LOOP); fixed bpp =

contrib/pngminim/decoder/makefile

@@ -54,7 +54,7 @@ ZOBJS  = adler32$(O) crc32$(O) \
 PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \
 	pngread$(C) pngrio$(C) pngrtran$(C) pngrutil$(C) \
 	pngset$(C) pngtrans$(C)
-	
+
 # Standard headers
 PNGH   =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h
 

contrib/visupng/.editorconfig

@@ -0,0 +1,22 @@
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = unset
+indent_style = unset
+insert_final_newline = true
+max_doc_length = 80
+max_line_length = 100
+trim_trailing_whitespace = true
+
+[*.rc]
+end_of_line = crlf
+trim_trailing_whitespace = unset
+
+[*.ds[pw]]
+end_of_line = crlf
+max_doc_length = unset
+max_line_length = unset
+trim_trailing_whitespace = unset

loongarch/.editorconfig

@@ -4,4 +4,5 @@ root = false
 
 # FIXME
 [*.[ch]]
+max_doc_length = unset
 max_line_length = unset

mips/.editorconfig

@@ -0,0 +1,8 @@
+# https://editorconfig.org
+
+root = false
+
+# FIXME
+[*.[ch]]
+max_doc_length = unset
+max_line_length = unset

png.c

@@ -1821,14 +1821,14 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace,
    }
 #  ifdef PNG_WARNINGS_SUPPORTED
    else
-      {
-         char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */
+   {
+      char number[PNG_NUMBER_BUFFER_SIZE]; /* +24 = 114 */
 
-         pos = png_safecat(message, (sizeof message), pos,
-             png_format_number(number, number+(sizeof number),
-             PNG_NUMBER_FORMAT_x, value));
-         pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */
-      }
+      pos = png_safecat(message, (sizeof message), pos,
+          png_format_number(number, number+(sizeof number),
+          PNG_NUMBER_FORMAT_x, value));
+      pos = png_safecat(message, (sizeof message), pos, "h: "); /* +2 = 116 */
+   }
 #  endif
    /* The 'reason' is an arbitrary message, allow +79 maximum 195 */
    pos = png_safecat(message, (sizeof message), pos, reason);

powerpc/.editorconfig

@@ -4,4 +4,5 @@ root = false
 
 # FIXME
 [*.[ch]]
+max_doc_length = unset
 max_line_length = unset

projects/.editorconfig

@@ -1,13 +1,3 @@
 # https://editorconfig.org
 
-root = false
-
-[*]
-charset = unset
-end_of_line = unset
-indent_size = unset
-indent_style = unset
-insert_final_newline = unset
-max_doc_length = unset
-max_line_length = unset
-trim_trailing_whitespace = unset
+root = true