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[uri] Make URI schemes case-insensitive

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RFC 3986 section 3.1 defines URI schemes as case-insensitive (though
the canonical form is always lowercase).

Use strcasecmp() rather than strcmp() to allow for case insensitivity
in URI schemes.

Requested-by: Andreas Hammarskjöld <junior@2PintSoftware.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2021-07-01 16:32:46 +01:00
parent 4aa0375821
commit 2690f73096
2 changed files with 4 additions and 2 deletions
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3
src/core/open.c
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@@ -25,6 +25,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdarg.h>
#include <string.h>
#include <strings.h>
#include <errno.h>
#include <ipxe/xfer.h>
#include <ipxe/uri.h>
@@ -47,7 +48,7 @@ struct uri_opener * xfer_uri_opener ( const char *scheme ) {
struct uri_opener *opener;
for_each_table_entry ( opener, URI_OPENERS ) {
if ( strcmp ( scheme, opener->scheme ) == 0 )
if ( strcasecmp ( scheme, opener->scheme ) == 0 )
return opener;
}
return NULL;