diff options
Diffstat (limited to 'crypto/heimdal/lib/roken/vis.c')
| -rw-r--r-- | crypto/heimdal/lib/roken/vis.c | 134 |
1 files changed, 68 insertions, 66 deletions
diff --git a/crypto/heimdal/lib/roken/vis.c b/crypto/heimdal/lib/roken/vis.c index 82a6ba5..8dd5832 100644 --- a/crypto/heimdal/lib/roken/vis.c +++ b/crypto/heimdal/lib/roken/vis.c @@ -38,7 +38,7 @@ #if 1 #ifdef HAVE_CONFIG_H #include <config.h> -RCSID("$Id: vis.c,v 1.3 2000/12/10 23:10:48 assar Exp $"); +RCSID("$Id: vis.c,v 1.5 2001/09/03 05:37:23 assar Exp $"); #endif #include <roken.h> #ifndef _DIAGASSERT @@ -107,71 +107,73 @@ do { \ * extra: Pointer to the list of extra characters to be * backslash-protected. */ -#define SVIS(dst, c, flag, nextc, extra) \ -do { \ - int isextra, isc; \ - isextra = strchr(extra, c) != NULL; \ - if (!isextra && isascii(c) && (isgraph(c) || iswhite(c) || \ - ((flag & VIS_SAFE) && issafe(c)))) { \ - *dst++ = c; \ - break; \ - } \ - isc = 0; \ - if (flag & VIS_CSTYLE) { \ - switch (c) { \ - case '\n': \ - isc = 1; *dst++ = '\\'; *dst++ = 'n'; \ - break; \ - case '\r': \ - isc = 1; *dst++ = '\\'; *dst++ = 'r'; \ - break; \ - case '\b': \ - isc = 1; *dst++ = '\\'; *dst++ = 'b'; \ - break; \ - case BELL: \ - isc = 1; *dst++ = '\\'; *dst++ = 'a'; \ - break; \ - case '\v': \ - isc = 1; *dst++ = '\\'; *dst++ = 'v'; \ - break; \ - case '\t': \ - isc = 1; *dst++ = '\\'; *dst++ = 't'; \ - break; \ - case '\f': \ - isc = 1; *dst++ = '\\'; *dst++ = 'f'; \ - break; \ - case ' ': \ - isc = 1; *dst++ = '\\'; *dst++ = 's'; \ - break; \ - case '\0': \ - isc = 1; *dst++ = '\\'; *dst++ = '0'; \ - if (isoctal(nextc)) { \ - *dst++ = '0'; \ - *dst++ = '0'; \ - } \ - } \ - } \ - if (isc) break; \ - if (isextra || ((c & 0177) == ' ') || (flag & VIS_OCTAL)) { \ - *dst++ = '\\'; \ - *dst++ = (u_char)(((unsigned)(u_char)c >> 6) & 03) + '0'; \ - *dst++ = (u_char)(((unsigned)(u_char)c >> 3) & 07) + '0'; \ - *dst++ = (c & 07) + '0'; \ - } else { \ - if ((flag & VIS_NOSLASH) == 0) *dst++ = '\\'; \ - if (c & 0200) { \ - c &= 0177; *dst++ = 'M'; \ - } \ - if (iscntrl(c)) { \ - *dst++ = '^'; \ - if (c == 0177) \ - *dst++ = '?'; \ - else \ - *dst++ = c + '@'; \ - } else { \ - *dst++ = '-'; *dst++ = c; \ - } \ - } \ +#define SVIS(dst, c, flag, nextc, extra) \ +do { \ + int isextra, isc; \ + isextra = strchr(extra, c) != NULL; \ + if (!isextra && \ + isascii((unsigned char)c) && \ + (isgraph((unsigned char)c) || iswhite(c) || \ + ((flag & VIS_SAFE) && issafe(c)))) { \ + *dst++ = c; \ + break; \ + } \ + isc = 0; \ + if (flag & VIS_CSTYLE) { \ + switch (c) { \ + case '\n': \ + isc = 1; *dst++ = '\\'; *dst++ = 'n'; \ + break; \ + case '\r': \ + isc = 1; *dst++ = '\\'; *dst++ = 'r'; \ + break; \ + case '\b': \ + isc = 1; *dst++ = '\\'; *dst++ = 'b'; \ + break; \ + case BELL: \ + isc = 1; *dst++ = '\\'; *dst++ = 'a'; \ + break; \ + case '\v': \ + isc = 1; *dst++ = '\\'; *dst++ = 'v'; \ + break; \ + case '\t': \ + isc = 1; *dst++ = '\\'; *dst++ = 't'; \ + break; \ + case '\f': \ + isc = 1; *dst++ = '\\'; *dst++ = 'f'; \ + break; \ + case ' ': \ + isc = 1; *dst++ = '\\'; *dst++ = 's'; \ + break; \ + case '\0': \ + isc = 1; *dst++ = '\\'; *dst++ = '0'; \ + if (isoctal(nextc)) { \ + *dst++ = '0'; \ + *dst++ = '0'; \ + } \ + } \ + } \ + if (isc) break; \ + if (isextra || ((c & 0177) == ' ') || (flag & VIS_OCTAL)) { \ + *dst++ = '\\'; \ + *dst++ = (u_char)(((unsigned)(u_char)c >> 6) & 03) + '0'; \ + *dst++ = (u_char)(((unsigned)(u_char)c >> 3) & 07) + '0'; \ + *dst++ = (c & 07) + '0'; \ + } else { \ + if ((flag & VIS_NOSLASH) == 0) *dst++ = '\\'; \ + if (c & 0200) { \ + c &= 0177; *dst++ = 'M'; \ + } \ + if (iscntrl((unsigned char)c)) { \ + *dst++ = '^'; \ + if (c == 0177) \ + *dst++ = '?'; \ + else \ + *dst++ = c + '@'; \ + } else { \ + *dst++ = '-'; *dst++ = c; \ + } \ + } \ } while (/*CONSTCOND*/0) |
