diff options
Diffstat (limited to 'usr/src/lib/libast/common/string/chresc.c')
| -rw-r--r-- | usr/src/lib/libast/common/string/chresc.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/usr/src/lib/libast/common/string/chresc.c b/usr/src/lib/libast/common/string/chresc.c deleted file mode 100644 index edb8f1a218..0000000000 --- a/usr/src/lib/libast/common/string/chresc.c +++ /dev/null @@ -1,181 +0,0 @@ -/*********************************************************************** -* * -* This software is part of the ast package * -* Copyright (c) 1985-2010 AT&T Intellectual Property * -* and is licensed under the * -* Common Public License, Version 1.0 * -* by AT&T Intellectual Property * -* * -* A copy of the License is available at * -* http://www.opensource.org/licenses/cpl1.0.txt * -* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * -* * -* Information and Software Systems Research * -* AT&T Research * -* Florham Park NJ * -* * -* Glenn Fowler <gsf@research.att.com> * -* David Korn <dgk@research.att.com> * -* Phong Vo <kpv@research.att.com> * -* * -***********************************************************************/ -#pragma prototyped -/* - * Glenn Fowler - * AT&T Research - * - * return the next character in the string s - * \ character constants are converted - * p is updated to point to the next character in s - */ - -#include <ast.h> -#include <ctype.h> - -#include <ccode.h> -#if !_PACKAGE_astsa -#include <regex.h> -#endif - -int -chresc(register const char* s, char** p) -{ - register const char* q; - register int c; - const char* e; -#if !_PACKAGE_astsa - int n; - char buf[64]; -#endif - - switch (c = mbchar(s)) - { - case 0: - s--; - break; - case '\\': - switch (c = *s++) - { - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - c -= '0'; - q = s + 2; - while (s < q) - switch (*s) - { - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - c = (c << 3) + *s++ - '0'; - break; - default: - q = s; - break; - } - break; - case 'a': - c = CC_bel; - break; - case 'b': - c = '\b'; - break; - case 'c': - control: - if (c = *s) - { - s++; - if (islower(c)) - c = toupper(c); - } - c = ccmapc(c, CC_NATIVE, CC_ASCII); - c ^= 0x40; - c = ccmapc(c, CC_ASCII, CC_NATIVE); - break; - case 'C': - if (*s == '-' && *(s + 1)) - { - s++; - goto control; - } -#if !_PACKAGE_astsa - if (*s == '[' && (n = regcollate(s + 1, (char**)&e, buf, sizeof(buf))) >= 0) - { - if (n == 1) - c = buf[0]; - s = e; - } -#endif - break; - case 'e': - case 'E': - c = CC_esc; - break; - case 'f': - c = '\f'; - break; - case 'M': - if (*s == '-') - { - s++; - c = CC_esc; - } - break; - case 'n': - c = '\n'; - break; - case 'r': - c = '\r'; - break; - case 't': - c = '\t'; - break; - case 'v': - c = CC_vt; - break; - case 'u': - case 'U': - case 'x': - c = 0; - q = c == 'u' ? (s + 4) : c == 'U' ? (s + 8) : (char*)0; - e = s; - while (!e || !q || s < q) - { - switch (*s) - { - case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': - c = (c << 4) + *s++ - 'a' + 10; - continue; - case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': - c = (c << 4) + *s++ - 'A' + 10; - continue; - case '0': case '1': case '2': case '3': case '4': - case '5': case '6': case '7': case '8': case '9': - c = (c << 4) + *s++ - '0'; - continue; - case '{': - case '[': - if (s != e) - break; - e = 0; - s++; - continue; - case '}': - case ']': - if (!e) - s++; - break; - default: - break; - } - break; - } - break; - case 0: - s--; - break; - } - break; - } - if (p) - *p = (char*)s; - return c; -} |