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-rw-r--r--Build/source/utils/chktex/chktex-1.6.4/Utility.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/Build/source/utils/chktex/chktex-1.6.4/Utility.c b/Build/source/utils/chktex/chktex-1.6.4/Utility.c
index b13e4249151..6fa26f3cd79 100644
--- a/Build/source/utils/chktex/chktex-1.6.4/Utility.c
+++ b/Build/source/utils/chktex/chktex-1.6.4/Utility.c
@@ -231,7 +231,7 @@ char *strlwr(char *String)
char TmpC;
for (Bufptr = String; (TmpC = *Bufptr); Bufptr++)
- *Bufptr = tolower(TmpC);
+ *Bufptr = tolower((unsigned char)TmpC);
return (String);
}
@@ -291,10 +291,10 @@ int strcasecmp(const char *a, const char *b)
aa = *a++;
bb = *b++;
}
- while (aa && (tolower(aa) == tolower(bb)));
+ while (aa && (tolower((unsigned char)aa) == tolower((unsigned char)bb)));
/* bb != 0 is implicit */
- return (tolower(aa) - tolower(bb));
+ return (tolower((unsigned char)aa) - tolower((unsigned char)bb));
}
#endif