- Initial checkin of bstrlib from where it left off on sourceforge.

bsafe.c

+/*
+ * This source file is part of the bstring string library.  This code was
+ * written by Paul Hsieh in 2002-2005, and is covered by the BSD open source 
+ * license. Refer to the accompanying documentation for details on usage and 
+ * license.
+ */
+
+/*
+ * bsafe.c
+ *
+ * This is an optional module that can be used to help enforce a safety
+ * standard based on pervasive usage of bstrlib.  This file is not necessarily
+ * portable, however, it has been tested to work correctly with Intel's C/C++
+ * compiler, WATCOM C/C++ v11.x and Microsoft Visual C++.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "bsafe.h"
+
+static int bsafeShouldExit = 1;
+
+char * strcpy (char *dst, const char *src);
+char * strcat (char *dst, const char *src);
+
+char * strcpy (char *dst, const char *src) {
+	dst = dst;
+	src = src;
+	fprintf (stderr, "bsafe error: strcpy() is not safe, use bstrcpy instead.\n");
+	if (bsafeShouldExit) exit (-1);
+	return NULL;
+}
+
+char * strcat (char *dst, const char *src) {
+	dst = dst;
+	src = src;
+	fprintf (stderr, "bsafe error: strcat() is not safe, use bstrcat instead.\n");
+	if (bsafeShouldExit) exit (-1);
+	return NULL;
+}
+
+#if !defined (__GNUC__) && (!defined(_MSC_VER) || (_MSC_VER <= 1310))
+char * (gets) (char * buf) {
+	buf = buf;
+	fprintf (stderr, "bsafe error: gets() is not safe, use bgets.\n");
+	if (bsafeShouldExit) exit (-1);
+	return NULL;
+}
+#endif
+
+char * (strncpy) (char *dst, const char *src, size_t n) {
+	dst = dst;
+	src = src;
+	n = n;
+	fprintf (stderr, "bsafe error: strncpy() is not safe, use bmidstr instead.\n");
+	if (bsafeShouldExit) exit (-1);
+	return NULL;
+}
+
+char * (strncat) (char *dst, const char *src, size_t n) {
+	dst = dst;
+	src = src;
+	n = n;
+	fprintf (stderr, "bsafe error: strncat() is not safe, use bstrcat then btrunc\n\tor cstr2tbstr, btrunc then bstrcat instead.\n");
+	if (bsafeShouldExit) exit (-1);
+	return NULL;
+}
+
+char * (strtok) (char *s1, const char *s2) {
+	s1 = s1;
+	s2 = s2;
+	fprintf (stderr, "bsafe error: strtok() is not safe, use bsplit or bsplits instead.\n");
+	if (bsafeShouldExit) exit (-1);
+	return NULL;
+}
+
+char * (strdup) (const char *s) {
+	s = s;
+	fprintf (stderr, "bsafe error: strdup() is not safe, use bstrcpy.\n");
+	if (bsafeShouldExit) exit (-1);
+	return NULL;
+}

bsafe.h

+/*
+ * This source file is part of the bstring string library.  This code was
+ * written by Paul Hsieh in 2002-2004, and is covered by the BSD open source 
+ * license. Refer to the accompanying documentation for details on usage and 
+ * license.
+ */
+
+/*
+ * bsafe.h
+ *
+ * This is an optional module that can be used to help enforce a safety
+ * standard based on pervasive usage of bstrlib.  This file is not necessarily
+ * portable, however, it has been tested to work correctly with Intel's C/C++
+ * compiler, WATCOM C/C++ v11.x and Microsoft Visual C++.
+ */
+
+#ifndef BSTRLIB_BSAFE_INCLUDE
+#define BSTRLIB_BSAFE_INCLUDE
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined (__GNUC__) && (!defined(_MSC_VER) || (_MSC_VER <= 1310))
+/* This is caught in the linker, so its not necessary for gcc. */
+extern char * (gets) (char * buf);
+#endif
+
+extern char * (strncpy) (char *dst, const char *src, size_t n);
+extern char * (strncat) (char *dst, const char *src, size_t n);
+extern char * (strtok) (char *s1, const char *s2);
+extern char * (strdup) (const char *s);
+
+#undef strcpy
+#undef strcat
+#define strcpy(a,b) bsafe_strcpy(a,b) 
+#define strcat(a,b) bsafe_strcat(a,b) 
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

bstraux.h

+/*
+ * This source file is part of the bstring string library.  This code was
+ * written by Paul Hsieh in 2002-2008, and is covered by the BSD open source 
+ * license and the GPL. Refer to the accompanying documentation for details 
+ * on usage and license.
+ */
+
+/*
+ * bstraux.h
+ *
+ * This file is not a necessary part of the core bstring library itself, but
+ * is just an auxilliary module which includes miscellaneous or trivial 
+ * functions.
+ */
+
+#ifndef BSTRAUX_INCLUDE
+#define BSTRAUX_INCLUDE
+
+#include <time.h>
+#include "bstrlib.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Safety mechanisms */
+#define bstrDeclare(b)               bstring (b) = NULL; 
+#define bstrFree(b)                  {if ((b) != NULL && (b)->slen >= 0 && (b)->mlen >= (b)->slen) { bdestroy (b); (b) = NULL; }}
+
+/* Backward compatibilty with previous versions of Bstrlib */
+#define bAssign(a,b)                 ((bassign)((a), (b)))
+#define bSubs(b,pos,len,a,c)         ((breplace)((b),(pos),(len),(a),(unsigned char)(c)))
+#define bStrchr(b,c)                 ((bstrchr)((b), (c)))
+#define bStrchrFast(b,c)             ((bstrchr)((b), (c)))
+#define bCatCstr(b,s)                ((bcatcstr)((b), (s)))
+#define bCatBlk(b,s,len)             ((bcatblk)((b),(s),(len)))
+#define bCatStatic(b,s)              bCatBlk ((b), ("" s ""), sizeof (s) - 1)
+#define bTrunc(b,n)                  ((btrunc)((b), (n)))
+#define bReplaceAll(b,find,repl,pos) ((bfindreplace)((b),(find),(repl),(pos)))
+#define bUppercase(b)                ((btoupper)(b))
+#define bLowercase(b)                ((btolower)(b))
+#define bCaselessCmp(a,b)            ((bstricmp)((a), (b)))
+#define bCaselessNCmp(a,b,n)         ((bstrnicmp)((a), (b), (n)))
+#define bBase64Decode(b)             (bBase64DecodeEx ((b), NULL))
+#define bUuDecode(b)                 (bUuDecodeEx ((b), NULL))
+
+/* Unusual functions */
+extern struct bStream * bsFromBstr (const_bstring b);
+extern bstring bTail (bstring b, int n);
+extern bstring bHead (bstring b, int n);
+extern int bSetCstrChar (bstring a, int pos, char c);
+extern int bSetChar (bstring b, int pos, char c);
+extern int bFill (bstring a, char c, int len);
+extern int bReplicate (bstring b, int n);
+extern int bReverse (bstring b);
+extern int bInsertChrs (bstring b, int pos, int len, unsigned char c, unsigned char fill);
+extern bstring bStrfTime (const char * fmt, const struct tm * timeptr);
+#define bAscTime(t) (bStrfTime ("%c\n", (t)))
+#define bCTime(t)   ((t) ? bAscTime (localtime (t)) : NULL)
+
+/* Spacing formatting */
+extern int bJustifyLeft (bstring b, int space);
+extern int bJustifyRight (bstring b, int width, int space);
+extern int bJustifyMargin (bstring b, int width, int space);
+extern int bJustifyCenter (bstring b, int width, int space);
+
+/* Esoteric standards specific functions */
+extern char * bStr2NetStr (const_bstring b);
+extern bstring bNetStr2Bstr (const char * buf);
+extern bstring bBase64Encode (const_bstring b);
+extern bstring bBase64DecodeEx (const_bstring b, int * boolTruncError);
+extern struct bStream * bsUuDecode (struct bStream * sInp, int * badlines);
+extern bstring bUuDecodeEx (const_bstring src, int * badlines);
+extern bstring bUuEncode (const_bstring src);
+extern bstring bYEncode (const_bstring src);
+extern bstring bYDecode (const_bstring src);
+
+/* Writable stream */
+typedef int (* bNwrite) (const void * buf, size_t elsize, size_t nelem, void * parm);
+
+struct bwriteStream * bwsOpen (bNwrite writeFn, void * parm);
+int bwsWriteBstr (struct bwriteStream * stream, const_bstring b);
+int bwsWriteBlk (struct bwriteStream * stream, void * blk, int len);
+int bwsWriteFlush (struct bwriteStream * stream);
+int bwsIsEOF (const struct bwriteStream * stream);
+int bwsBuffLength (struct bwriteStream * stream, int sz);
+void * bwsClose (struct bwriteStream * stream);
+
+/* Security functions */
+#define bSecureDestroy(b) {	                                            \
+bstring bstr__tmp = (b);	                                            \
+	if (bstr__tmp && bstr__tmp->mlen > 0 && bstr__tmp->data) {          \
+	    (void) memset (bstr__tmp->data, 0, (size_t) bstr__tmp->mlen);   \
+	    bdestroy (bstr__tmp);                                           \
+	}                                                                   \
+}
+#define bSecureWriteProtect(t) {	                                              \
+	if ((t).mlen >= 0) {                                                          \
+	    if ((t).mlen > (t).slen)) {                                               \
+	        (void) memset ((t).data + (t).slen, 0, (size_t) (t).mlen - (t).slen); \
+	    }                                                                         \
+	    (t).mlen = -1;                                                            \
+	}                                                                             \
+}
+extern bstring bSecureInput (int maxlen, int termchar, 
+                             bNgetc vgetchar, void * vgcCtx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif