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Diffstat (limited to 'libiberty/fnmatch.c')
-rw-r--r--libiberty/fnmatch.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/libiberty/fnmatch.c b/libiberty/fnmatch.c
index 685d9e40edc..453caced72f 100644
--- a/libiberty/fnmatch.c
+++ b/libiberty/fnmatch.c
@@ -71,7 +71,7 @@ fnmatch (pattern, string, flags)
int flags;
{
register const char *p = pattern, *n = string;
- register char c;
+ register unsigned char c;
/* Note that this evalutes C many times. */
#define FOLD(c) ((flags & FNM_CASEFOLD) && isupper (c) ? tolower (c) : (c))
@@ -98,7 +98,7 @@ fnmatch (pattern, string, flags)
c = *p++;
c = FOLD (c);
}
- if (FOLD (*n) != c)
+ if (FOLD ((unsigned char)*n) != c)
return FNM_NOMATCH;
break;
@@ -116,10 +116,10 @@ fnmatch (pattern, string, flags)
return 0;
{
- char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
+ unsigned char c1 = (!(flags & FNM_NOESCAPE) && c == '\\') ? *p : c;
c1 = FOLD (c1);
for (--p; *n != '\0'; ++n)
- if ((c == '[' || FOLD (*n) == c1) &&
+ if ((c == '[' || FOLD ((unsigned char)*n) == c1) &&
fnmatch (p, n, flags & ~FNM_PERIOD) == 0)
return 0;
return FNM_NOMATCH;
@@ -144,7 +144,7 @@ fnmatch (pattern, string, flags)
c = *p++;
for (;;)
{
- register char cstart = c, cend = c;
+ register unsigned char cstart = c, cend = c;
if (!(flags & FNM_NOESCAPE) && c == '\\')
cstart = cend = *p++;
@@ -174,7 +174,8 @@ fnmatch (pattern, string, flags)
c = *p++;
}
- if (FOLD (*n) >= cstart && FOLD (*n) <= cend)
+ if (FOLD ((unsigned char)*n) >= cstart
+ && FOLD ((unsigned char)*n) <= cend)
goto matched;
if (c == ']')
@@ -203,7 +204,7 @@ fnmatch (pattern, string, flags)
break;
default:
- if (c != FOLD (*n))
+ if (c != FOLD ((unsigned char)*n))
return FNM_NOMATCH;
}