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get mod_proxy to build on EBCDIC machines

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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@94808 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jeff Trawick
2002-04-25 22:12:51 +00:00
parent e5234ec416
commit d439ef140b
2 changed files with 37 additions and 4 deletions
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32
modules/proxy/proxy_util.c
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@@ -93,7 +93,27 @@ PROXY_DECLARE(int) ap_proxy_hex2c(const char *x)
i += ch - ('a' - 10);
return i;
#else /*APR_CHARSET_EBCDIC*/
return (1 == sscanf(x, "%2x", &i)) ? os_toebcdic[i&0xFF] : 0;
/* we assume that the hex value refers to an ASCII character
* so convert to EBCDIC so that it makes sense locally;
*
* example:
*
* client specifies %20 in URL to refer to a space char;
* at this point we're called with EBCDIC "20"; after turning
* EBCDIC "20" into binary 0x20, we then need to assume that 0x20
* represents an ASCII char and convert 0x20 to EBCDIC, yielding
* 0x40
*/
char buf[1];
if (1 == sscanf(x, "%2x", &i)) {
buf[0] = i & 0xFF;
ap_xlate_proto_from_ascii(buf, 1);
return buf[0];
}
else {
return 0;
}
#endif /*APR_CHARSET_EBCDIC*/
}
@@ -116,10 +136,16 @@ PROXY_DECLARE(void) ap_proxy_c2hex(int ch, char *x)
x[2] = '0' + i;
#else /*APR_CHARSET_EBCDIC*/
static const char ntoa[] = { "0123456789ABCDEF" };
char buf[1];
ch &= 0xFF;
buf[0] = ch;
ap_xlate_proto_to_ascii(buf, 1);
x[0] = '%';
x[1] = ntoa[(os_toascii[ch]>>4)&0x0F];
x[2] = ntoa[os_toascii[ch]&0x0F];
x[1] = ntoa[(buf[0] >> 4) & 0x0F];
x[2] = ntoa[buf[0] & 0x0F];
x[3] = '\0';
#endif /*APR_CHARSET_EBCDIC*/
}