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Make sure that only ascii is passed to isfoo functions.

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This commit is contained in:
Werner Koch 2003-06-07 20:06:32 +00:00
parent a72b1e0a57
commit 6a00a17bd1
15 changed files with 66 additions and 31 deletions
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11
util/strgutil.c
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@ -1,5 +1,6 @@
/* strgutil.c - string utilities
* Copyright (C) 1994, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
* Copyright (C) 1994, 1998, 1999, 2000, 2001,
* 2003 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
@ -825,7 +826,7 @@ strlwr(char *s)
{
char *p;
for(p=s; *p; p++ )
*p = tolower(*p);
*p = tolower(*(unsigned char *)p);
return s;
}
#endif
@ -835,7 +836,8 @@ int
strcasecmp( const char *a, const char *b )
{
for( ; *a && *b; a++, b++ ) {
if( *a != *b && toupper(*a) != toupper(*b) )
if( *a != *b
&& toupper(*(const byte *)a) != toupper(*(const byte *)b) )
break;
}
return *(const byte*)a - *(const byte*)b;
@ -847,7 +849,8 @@ int
strncasecmp( const char *a, const char *b, size_t n )
{
for( ; n && *a && *b; a++, b++, n--) {
if( *a != *b && toupper(*a) != toupper(*b) )
if( *a != *b
&& toupper(*(const byte *)a) != toupper(*(const byte *)b) )
break;
}
if (!n)