Ticket #639: Assertion in <ctype.h> functions with Visual Studio 2005 when handling non-ASCII characters

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@2302 74dad513-b988-da41-8d7b-12977e46ad98

1 files changed, 12 insertions, 12 deletions

diff --git a/pjlib/include/pj/ctype.h b/pjlib/include/pj/ctype.h
index 654af695..94908d9c 100644
--- a/pjlib/include/pj/ctype.h
+++ b/pjlib/include/pj/ctype.h
@@ -44,7 +44,7 @@ PJ_BEGIN_DECL
  * @param c     The integer character to test.
  * @return      Non-zero value if either isalpha or isdigit is true for c.
  */
-PJ_INLINE(int) pj_isalnum(int c) { return isalnum(c); }
+PJ_INLINE(int) pj_isalnum(unsigned char c) { return isalnum(c); }
 
 /** 
  * Returns a non-zero value if c is a particular representation of an 
@@ -53,7 +53,7 @@ PJ_INLINE(int) pj_isalnum(int c) { return isalnum(c); }
  * @return      Non-zero value if c is a particular representation of an 
  *              alphabetic character.
  */
-PJ_INLINE(int) pj_isalpha(int c) { return isalpha(c); }
+PJ_INLINE(int) pj_isalpha(unsigned char c) { return isalpha(c); }
 
 /** 
  * Returns a non-zero value if c is a particular representation of an 
@@ -62,7 +62,7 @@ PJ_INLINE(int) pj_isalpha(int c) { return isalpha(c); }
  * @return      Non-zero value if c is a particular representation of 
  *              an ASCII character.
  */
-PJ_INLINE(int) pj_isascii(int c) { return c<128 && c>=0; }
+PJ_INLINE(int) pj_isascii(unsigned char c) { return c<128 && c>=0; }
 
 /** 
  * Returns a non-zero value if c is a particular representation of 
@@ -71,7 +71,7 @@ PJ_INLINE(int) pj_isascii(int c) { return c<128 && c>=0; }
  * @return      Non-zero value if c is a particular representation of 
  *              a decimal-digit character.
  */
-PJ_INLINE(int) pj_isdigit(int c) { return isdigit(c); }
+PJ_INLINE(int) pj_isdigit(unsigned char c) { return isdigit(c); }
 
 /** 
  * Returns a non-zero value if c is a particular representation of 
@@ -80,7 +80,7 @@ PJ_INLINE(int) pj_isdigit(int c) { return isdigit(c); }
  * @return      Non-zero value if c is a particular representation of 
  *              a space character (0x09 - 0x0D or 0x20).
  */
-PJ_INLINE(int) pj_isspace(int c) { return isspace(c); }
+PJ_INLINE(int) pj_isspace(unsigned char c) { return isspace(c); }
 
 /** 
  * Returns a non-zero value if c is a particular representation of 
@@ -89,7 +89,7 @@ PJ_INLINE(int) pj_isspace(int c) { return isspace(c); }
  * @return      Non-zero value if c is a particular representation of 
  *              a lowercase character.
  */
-PJ_INLINE(int) pj_islower(int c) { return islower(c); }
+PJ_INLINE(int) pj_islower(unsigned char c) { return islower(c); }
 
 
 /** 
@@ -99,7 +99,7 @@ PJ_INLINE(int) pj_islower(int c) { return islower(c); }
  * @return      Non-zero value if c is a particular representation of 
  *              a uppercase character.
  */
-PJ_INLINE(int) pj_isupper(int c) { return isupper(c); }
+PJ_INLINE(int) pj_isupper(unsigned char c) { return isupper(c); }
 
 /**
  * Returns a non-zero value if c is a either a space (' ') or horizontal
@@ -108,21 +108,21 @@ PJ_INLINE(int) pj_isupper(int c) { return isupper(c); }
  * @return      Non-zero value if c is a either a space (' ') or horizontal
  *              tab ('\\t') character.
  */
-PJ_INLINE(int) pj_isblank(int c) { return isblank(c); }
+PJ_INLINE(int) pj_isblank(unsigned char c) { return isblank(c); }
 
 /**
  * Converts character to lowercase.
  * @param c     The integer character to convert.
  * @return      Lowercase character of c.
  */
-PJ_INLINE(int) pj_tolower(int c) { return tolower(c); }
+PJ_INLINE(int) pj_tolower(unsigned char c) { return tolower(c); }
 
 /**
  * Converts character to uppercase.
  * @param c     The integer character to convert.
  * @return      Uppercase character of c.
  */
-PJ_INLINE(int) pj_toupper(int c) { return toupper(c); }
+PJ_INLINE(int) pj_toupper(unsigned char c) { return toupper(c); }
 
 /**
  * Returns a non-zero value if c is a particular representation of 
@@ -131,7 +131,7 @@ PJ_INLINE(int) pj_toupper(int c) { return toupper(c); }
  * @return      Non-zero value if c is a particular representation of 
  *              an hexadecimal digit character.
  */
-PJ_INLINE(int) pj_isxdigit(int c){ return isxdigit(c); }
+PJ_INLINE(int) pj_isxdigit(unsigned char c){ return isxdigit(c); }
 
 /**
  * Array of hex digits, in lowerspace.
@@ -156,7 +156,7 @@ PJ_INLINE(void) pj_val_to_hex_digit(unsigned value, char *p)
  * @param c	The hex digit character.
  * @return	The integral value between 0 and 15.
  */
-PJ_INLINE(unsigned) pj_hex_digit_to_val(unsigned c)
+PJ_INLINE(unsigned) pj_hex_digit_to_val(unsigned char c)
 {
     if (c <= '9')
 	return (c-'0') & 0x0F;