Use in-house macro `ISALPHA` instead of `isalpha`; ref #4950

69017527 · Yukihiro "Matz" Matsumoto · 88635500 · 69017527
Commit 69017527 authored Mar 07, 2020 by Yukihiro "Matz" Matsumoto
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mrbgems/mruby-io/src/file.c mrbgems/mruby-io/src/file.c +1 -1

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--- a/mrbgems/mruby-io/src/file.c
+++ b/mrbgems/mruby-io/src/file.c
@@ -284,7 +284,7 @@ mrb_file_is_absolute_path(const char *path)
 {
 #ifdef _WIN32
 #define IS_PATHSEP(x) (x == '/' || x == '\\')
-  if (isalpha(path[0]))
+  if (ISALPHA(path[0]))
    return (strlen(path) > 2 && path[1] == ':' && IS_PATHSEP(path[2]));
  else
    return (IS_PATHSEP(path[0]) && IS_PATHSEP(path[1]));