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author | Mystery Man <unknown@mandriva.org> | 2002-07-08 07:45:08 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2002-07-08 07:45:08 +0000 |
commit | be128d0615965c467107adeb2c8cecd1125318a1 (patch) | |
tree | 998f5b6803ad85a1411491ef4c499fa8b9760bb2 /mdk-stage1/slang/slmisc.c | |
parent | 9555bb791920e8feace953f90cf908e864451b59 (diff) | |
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This commit was manufactured by cvs2svn to create tag 'V1_1_8_2mdk'.V1_1_8_2mdk
Diffstat (limited to 'mdk-stage1/slang/slmisc.c')
-rw-r--r-- | mdk-stage1/slang/slmisc.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/mdk-stage1/slang/slmisc.c b/mdk-stage1/slang/slmisc.c deleted file mode 100644 index ccc7a9bdf..000000000 --- a/mdk-stage1/slang/slmisc.c +++ /dev/null @@ -1,330 +0,0 @@ -/* Copyright (c) 1992, 1999, 2001 John E. Davis - * This file is part of the S-Lang library. - * - * You may distribute under the terms of either the GNU General Public - * License or the Perl Artistic License. - */ -#include "slinclud.h" - -#include "slang.h" -#include "_slang.h" - -#define DEBUG_MALLOC 0 - -#if DEBUG_MALLOC -# define SLREALLOC_FUN SLdebug_realloc -# define SLMALLOC_FUN SLdebug_malloc -# define SLFREE_FUN SLdebug_free -#else -# define SLREALLOC_FUN SLREALLOC -# define SLMALLOC_FUN SLMALLOC -# define SLFREE_FUN SLFREE -#endif - -/* Version information goes here since this file is always needed. */ -int SLang_Version = SLANG_VERSION; -char *SLang_Version_String = SLANG_VERSION_STRING; - -char *SLmake_string(char *str) -{ - return SLmake_nstring(str, strlen (str)); -} - -char *SLmake_nstring (char *str, unsigned int n) -{ - char *ptr; - - if (NULL == (ptr = SLmalloc(n + 1))) - { - return NULL; - } - SLMEMCPY (ptr, str, n); - ptr[n] = 0; - return(ptr); -} - -void SLmake_lut (unsigned char *lut, unsigned char *range, unsigned char reverse) -{ - register unsigned char *l = lut, *lmax = lut + 256; - int i, r1, r2; - - while (l < lmax) *l++ = reverse; - reverse = !reverse; - - r1 = *range++; - while (r1) - { - r2 = *range++; - if ((r2 == '-') && (*range != 0)) - { - r2 = *range++; - for (i = r1; i <= r2; i++) lut[i] = reverse; - r1 = *range++; - continue; - } - lut[r1] = reverse; - r1 = r2; - } -} - -char *SLmalloc (unsigned int len) -{ - char *p; - - p = (char *) SLMALLOC_FUN (len); - if (p == NULL) - SLang_Error = SL_MALLOC_ERROR; - - return p; -} - -void SLfree (char *p) -{ - if (p != NULL) SLFREE_FUN (p); -} - -char *SLrealloc (char *p, unsigned int len) -{ - if (len == 0) - { - SLfree (p); - return NULL; - } - - if (p == NULL) p = SLmalloc (len); - else - { - p = (char *)SLREALLOC_FUN (p, len); - if (p == NULL) - SLang_Error = SL_MALLOC_ERROR; - } - return p; -} - -char *SLcalloc (unsigned int nelems, unsigned int len) -{ - char *p; - - len = nelems * len; - p = SLmalloc (len); - if (p != NULL) SLMEMSET (p, 0, len); - return p; -} - -/* p and ch may point to the same buffer */ -char *_SLexpand_escaped_char(char *p, char *ch) -{ - int i = 0; - int max = 0, num, base = 0; - char ch1; - - ch1 = *p++; - - switch (ch1) - { - default: num = ch1; break; - case 'n': num = '\n'; break; - case 't': num = '\t'; break; - case 'v': num = '\v'; break; - case 'b': num = '\b'; break; - case 'r': num = '\r'; break; - case 'f': num = '\f'; break; - case 'E': case 'e': num = 27; break; - case 'a': num = 7; - break; - - /* octal */ - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - max = '7'; - base = 8; i = 2; num = ch1 - '0'; - break; - - case 'd': /* decimal -- S-Lang extension */ - base = 10; - i = 3; - max = '9'; - num = 0; - break; - - case 'x': /* hex */ - base = 16; - max = '9'; - i = 2; - num = 0; - break; - } - - while (i--) - { - ch1 = *p; - - if ((ch1 <= max) && (ch1 >= '0')) - { - num = base * num + (ch1 - '0'); - } - else if (base == 16) - { - ch1 |= 0x20; - if ((ch1 < 'a') || ((ch1 > 'f'))) break; - num = base * num + 10 + (ch1 - 'a'); - } - else break; - p++; - } - - *ch = (char) num; - return p; -} - -/* s and t could represent the same space */ -void SLexpand_escaped_string (register char *s, register char *t, - register char *tmax) -{ - char ch; - - while (t < tmax) - { - ch = *t++; - if (ch == '\\') - { - t = _SLexpand_escaped_char (t, &ch); - } - *s++ = ch; - } - *s = 0; -} - -int SLextract_list_element (char *list, unsigned int nth, char delim, - char *elem, unsigned int buflen) -{ - char *el, *elmax; - char ch; - - while (nth > 0) - { - while ((0 != (ch = *list)) && (ch != delim)) - list++; - - if (ch == 0) return -1; - - list++; - nth--; - } - - el = elem; - elmax = el + (buflen - 1); - - while ((0 != (ch = *list)) && (ch != delim) && (el < elmax)) - *el++ = *list++; - *el = 0; - - return 0; -} - -#ifndef HAVE_VSNPRINTF -int _SLvsnprintf (char *buf, unsigned int buflen, char *fmt, va_list ap) -{ -#if 1 - unsigned int len; - - /* On some systems vsprintf returns useless information. So, punt */ - vsprintf (buf, fmt, ap); - len = strlen (buf); - if (len >= buflen) - { - SLang_exit_error ("\ -Your system lacks the vsnprintf system call and vsprintf overflowed a buffer.\n\ -The integrity of this program has been violated.\n"); - return EOF; /* NOT reached */ - } - return (int)len; -#else - int status; - - status = vsprintf (buf, fmt, ap); - if (status >= (int) buflen) - { - /* If we are lucky, we will get this far. The real solution is to - * provide a working version of vsnprintf - */ - SLang_exit_error ("\ -Your system lacks the vsnprintf system call and vsprintf overflowed a buffer.\n\ -The integrity of this program has been violated.\n"); - return EOF; /* NOT reached */ - } - return status; -#endif -} -#endif - -#ifndef HAVE_SNPRINTF -int _SLsnprintf (char *buf, unsigned int buflen, char *fmt, ...) -{ - int status; - - va_list ap; - - va_start (ap, fmt); - status = _SLvsnprintf (buf, buflen, fmt, ap); - va_end (ap); - - return status; -} -#endif - -typedef struct _Cleanup_Function_Type -{ - struct _Cleanup_Function_Type *next; - void (*f)(void); -} -Cleanup_Function_Type; - -static Cleanup_Function_Type *Cleanup_Function_List; - -static void cleanup_slang (void) -{ - while (Cleanup_Function_List != NULL) - { - Cleanup_Function_Type *next = Cleanup_Function_List->next; - (*Cleanup_Function_List->f)(); - SLFREE_FUN ((char *) Cleanup_Function_List); - Cleanup_Function_List = next; - } -} - -#ifndef HAVE_ATEXIT -# ifdef HAVE_ON_EXIT -static void on_exit_cleanup_slang (int arg_unused) -{ - (void) arg_unused; - cleanup_slang (); -} -# endif -#endif - -int SLang_add_cleanup_function (void (*f)(void)) -{ - Cleanup_Function_Type *l; - - l = (Cleanup_Function_Type *) SLMALLOC_FUN (sizeof (Cleanup_Function_Type)); - if (l == NULL) - return -1; - - l->f = f; - l->next = Cleanup_Function_List; - - if (Cleanup_Function_List == NULL) - { -#ifdef HAVE_ATEXIT - (void) atexit (cleanup_slang); -#else -# ifdef HAVE_ON_EXIT - (void) on_exit (on_exit_cleanup_slang, 0); -# endif -#endif - } - Cleanup_Function_List = l; - return 0; -} - |