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Improve buffer name generation from UTF-8 filename.

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This commit is contained in:
Renaud 2019-08-13 16:39:56 +08:00
parent e62af18798
commit 0f6de2f3b4
1 changed files with 17 additions and 11 deletions
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28
file.c
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@ -27,6 +27,7 @@
#include "lock.h" #include "lock.h"
#include "mlout.h" #include "mlout.h"
#include "util.h" #include "util.h"
#include "utf8.h"
#include "window.h" #include "window.h"
typedef enum { typedef enum {
@ -390,19 +391,24 @@ void makename( bname_t bname, const char *fname)
while (*cp1 != 0) while (*cp1 != 0)
++cp1; ++cp1;
#if MSDOS
while (cp1 != &fname[0] && cp1[-1] != ':' && cp1[-1] != '\\'
&& cp1[-1] != '/')
--cp1;
#endif
#if USG | BSD
while (cp1 != &fname[0] && cp1[-1] != '/') while (cp1 != &fname[0] && cp1[-1] != '/')
--cp1; --cp1;
#endif
cp2 = &bname[0]; cp2 = &bname[0];
while( cp2 != &bname[ sizeof( bname_t) - 1] && *cp1 != 0 && *cp1 != ';') while( *cp1 != 0 && *cp1 != ';') {
*cp2++ = *cp1++; unicode_t c ;
*cp2 = 0; int n ;
n = utf8_to_unicode( cp1, 0, 4, &c) ;
if( cp2 + n <= &bname[ sizeof( bname_t) - 2]) /* 1 digit buffer name conflict [0..9] + EOS */
while( n--)
*cp2++ = *cp1++ ;
else
break ;
}
*cp2 = 0;
} }
/* /*
@ -435,7 +441,7 @@ void unqname(char *name)
* Update the remembered file name and clear the * Update the remembered file name and clear the
* buffer changed flag. This handling of file names * buffer changed flag. This handling of file names
* is different from the earlier versions, and * is different from the earlier versions, and
* is more compatable with Gosling EMACS than * is more compatible with Gosling EMACS than
* with ITS EMACS. Bound to "C-X C-W". * with ITS EMACS. Bound to "C-X C-W".
*/ */
int filewrite( int f, int n) { int filewrite( int f, int n) {