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ctype sign fixes (Tom Miller)

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rsc 2005-10-31 16:47:30 +00:00
parent 96029e052b
commit a47fbb1641
6 changed files with 7 additions and 6 deletions
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3
src/cmd/troff/n10.c
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@ -4,6 +4,7 @@ n10.c
Device interfaces
*/
#include <u.h>
#include "tdef.h"
#include "ext.h"
#include "fns.h"
@ -48,7 +49,7 @@ static char *parse(char *s, int typeit) /* convert \0, etc to nroff driving tabl
*t++ = *s++;
else {
s++; /* skip \\ */
if (isdigit(s[0]) && isdigit(s[1]) && isdigit(s[2])) {
if (isdigit((uchar)s[0]) && isdigit((uchar)s[1]) && isdigit((uchar)s[2])) {
*t++ = (s[0]-'0')<<6 | (s[1]-'0')<<3 | s[2]-'0';
s += 2;
} else if (isdigit(s[0])) {