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ctype: restore character classification for non-ASCII platforms

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With commit 4272a0b0fc curl-speficic
character classification macros and functions were introduced in
curl_ctype.[ch] to avoid dependencies on the locale. This broke curl on
non-ASCII, e.g. EBCDIC platforms. This change restores the previous set
of character classification macros when CURL_DOES_CONVERSIONS is
defined.

Closes #2494
This commit is contained in:
Stephan Mühlstrasser 2018-04-13 14:28:55 +02:00 • committed by Daniel Stenberg
parent e6c22368c6
commit dd7521bcc1
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GPG key ID: 5CC908FDB71E12C2
4 changed files with 49 additions and 2 deletions
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15
lib/http_chunks.c
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@ -74,6 +74,19 @@
*/
#ifdef CURL_DOES_CONVERSIONS
/* Check for an ASCII hex digit.
We avoid the use of ISXDIGIT to accommodate non-ASCII hosts. */
static bool Curl_isxdigit_ascii(char digit)
{
return (digit >= 0x30 && digit <= 0x39) /* 0-9 */
|| (digit >= 0x41 && digit <= 0x46) /* A-F */
|| (digit >= 0x61 && digit <= 0x66); /* a-f */
}
#else
#define Curl_isxdigit_ascii(x) Curl_isxdigit(x)
#endif
void Curl_httpchunk_init(struct connectdata *conn)
{
struct Curl_chunker *chunk = &conn->chunk;
@ -119,7 +132,7 @@ CHUNKcode Curl_httpchunk_read(struct connectdata *conn,
while(length) {
switch(ch->state) {
case CHUNK_HEX:
if(Curl_isxdigit(*datap)) {
if(Curl_isxdigit_ascii(*datap)) {
if(ch->hexindex < MAXNUM_SIZE) {
ch->hexbuffer[ch->hexindex] = *datap;
datap++;