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-rw-r--r--support/texlab/crates/bibutils_sys/src/serialno.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/support/texlab/crates/bibutils_sys/src/serialno.c b/support/texlab/crates/bibutils_sys/src/serialno.c
deleted file mode 100644
index 77e09b456d..0000000000
--- a/support/texlab/crates/bibutils_sys/src/serialno.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * serialno.c
- *
- * Copyright (c) Chris Putnam 2005-2019
- *
- * Source code released under the GPL version 2
- *
- */
-#include <string.h>
-#include "serialno.h"
-#include "msvc_fix.h"
-
-int
-addsn( fields *info, char *buf, int level )
-{
- int ndigits, issn=0, isbn=0, isbn10=0, isbn13=0, status;
- char *p = buf, *tag;
-
- if ( !strncasecmp( p, "ISSN", 4 ) ) issn=1;
- else if ( !strncasecmp( p, "ISBN", 4 ) ) isbn=1;
-
- if ( isbn ) {
- ndigits = 0;
- while ( *p && !(ndigits && (*p==';'||*p==':')) ) {
- if ( ( *p>='0' && *p<='9' ) || *p=='x' || *p=='X' )
- ndigits++;
- p++;
- }
- if ( ndigits==13 ) isbn13 = 1;
- else /* ( ndigits==10) */ isbn10 = 1;
- }
-
- if ( !issn && !isbn ) {
- /* a lot have semicolons between multiple ISBN's for
- paperbacks and hardbacks with different numbers */
- ndigits = 0;
- while ( *p && !(ndigits && (*p==';'||*p==':')) ) {
- if ( ( *p>='0' && *p<='9' ) || *p=='x' || *p=='X' )
- ndigits++;
- p++;
- }
- if ( ndigits==8 ) issn = 1;
- else if ( ndigits==10 ) isbn10 = 1;
- else if ( ndigits==13 ) isbn13 = 1;
- }
-
- if ( issn ) tag = "ISSN";
- else if ( isbn10 ) tag = "ISBN";
- else if ( isbn13 ) tag = "ISBN13";
- else tag = "SERIALNUMBER";
-
- status = fields_add( info, tag, buf, level );
-
- if ( status==FIELDS_OK ) return 1;
- else return 0;
-}