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/*
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Copyright (c) 2003, Dominik Reichl <dominik.reichl@t-online.de>
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All rights reserved.
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LICENSE TERMS
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ReichlSoft nor the names of its contributors may be used
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to endorse or promote products derived from this software without specific
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prior written permission.
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DISCLAIMER
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "clutil.h"
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bool isArgument(char *pszString)
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{
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RH_ASSERT(pszString != NULL);
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RH_ASSERT(strlen(pszString) != 0);
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// The following characters must not be argument introducers:
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// '/' -> Unix paths
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// '\\' -> Windows paths
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// '_' -> Possible path prefix
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// '.' -> File without name or hidden (Unix)
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if((*pszString) == '-') return true;
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return false;
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}
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// Removes all unnecessary characters from an argument string
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void fmtArgument(char *pszArg, char *pszDest)
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{
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UINTPREF i;
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UINTPREF pos = 0;
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RH_ASSERT(pszArg != NULL);
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RH_ASSERT(pszDest != NULL);
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RH_ASSERT(strlen(pszArg) != 0);
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for(i = 0; i < strlen(pszArg); i++)
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{
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if(pszArg[i] == '-') continue; // Skip special characters
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if(pszArg[i] == '#') continue;
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if(pszArg[i] == ' ') continue;
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if(pszArg[i] == '<') continue;
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if(pszArg[i] == '>') continue;
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if(pszArg[i] == '(') continue;
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if(pszArg[i] == ')') continue;
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if(pszArg[i] == '[') continue;
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if(pszArg[i] == ']') continue;
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if(pszArg[i] == '/') continue;
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if(pszArg[i] == '\\') continue;
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if(pszArg[i] == '\"') continue; // Don't test for ':' !
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pszDest[pos] = pszArg[i];
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pos++;
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}
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pszDest[pos] = 0; // Terminate string
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}
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void fmtPath(char *pszPath)
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{
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UINTPREF i;
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char chFind;
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char chReplace;
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RH_ASSERT(pszPath != NULL);
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RH_ASSERT(strlen(pszPath) != 0);
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#if(RH_TARGET_SYSTEM == RH_TARGET_SYSTEM_WINDOWS)
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chFind = '/';
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chReplace = '\\';
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#elif(RH_TARGET_SYSTEM == RH_TARGET_SYSTEM_LINUX)
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chFind = '\\';
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chReplace = '/';
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#endif
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for(i = 0; i < strlen(pszPath); i++)
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{
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if(pszPath[i] == chFind)
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pszPath[i] = chReplace;
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}
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}
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void catdirsep(char *pszPath)
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{
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UINTPREF i;
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RH_ASSERT(pszPath != NULL);
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RH_ASSERT(strlen(pszPath) != 0);
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i = strlen(pszPath);
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if(pszPath[i-1] == SZ_DIR_CHAR) return; // Nothing to do
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if(i < RH_MAX_PATH)
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{
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pszPath[i] = SZ_DIR_CHAR;
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pszPath[i+1] = 0;
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}
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}
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void pathonly(char *pszPath)
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{
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UINTPREF i;
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bool bReplaced = false;
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RH_ASSERT(pszPath != NULL);
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RH_ASSERT(strlen(pszPath) != 0);
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i = strlen(pszPath) - 1;
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if(i == ((UINTPREF)-1)) return;
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while(1)
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{
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if(pszPath[i] == SZ_DIR_CHAR)
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{
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pszPath[i] = 0;
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bReplaced = true;
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break;
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}
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i--;
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if(i == (UINTPREF)-1) break;
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}
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if(bReplaced == false) pszPath[0] = 0;
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catdirsep(pszPath); // Append path character if necessary
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}
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void fileonly(char *pszPath)
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{
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char szTemp[RH_MAX_PATH];
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UINTPREF i, j;
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RH_ASSERT(pszPath != NULL);
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i = strlen(pszPath) - 1;
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if(i == (unsigned int)-1) return;
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if(i <= 1) return;
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while(1) // Reverse scan for path delimiter
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{
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if(pszPath[i] == SZ_DIR_CHAR) break;
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i--;
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if(i == 0) break;
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}
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if(i == 0) return;
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j = 0;
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i++;
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for( ; i < strlen(pszPath); i++) // Copy only filename to new buffer
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{
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szTemp[j] = pszPath[i];
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j++;
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}
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szTemp[j] = 0;
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rhstrcpy(pszPath, szTemp, RH_MAX_PATH); // Store working buffer
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}
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// Is this a <..> or <.> path env descriptor?
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bool ispathnav(char *pszPath)
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{
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UINTPREF i;
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RH_ASSERT(pszPath != NULL);
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RH_ASSERT(strlen(pszPath) != 0);
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i = strlen(pszPath);
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if(i == 0) return false;
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if((pszPath[i-1] == '.') && (i == 1)) return true;
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if((pszPath[i-1] == '.') && (pszPath[i-2] == '.') && (i == 2)) return true;
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if((pszPath[i-1] == '.') && (pszPath[i-2] == SZ_DIR_CHAR)) return true;
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if((pszPath[i-1] == '.') && (pszPath[i-2] == '.') && (pszPath[i-3] == SZ_DIR_CHAR)) return true;
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return false;
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}
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bool haspath(char *pszPath)
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{
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UINTPREF i = 0;
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bool bPath = false;
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RH_ASSERT(pszPath != NULL);
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while(1)
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{
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if(pszPath[i] == 0) break;
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#if(RH_TARGET_SYSTEM == RH_TARGET_SYSTEM_WINDOWS)
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if(pszPath[i] == '\\') { bPath = true; break; }
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#else
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if(pszPath[i] == '/') { bPath = true; break; }
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#endif
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i++;
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}
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return bPath;
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}
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// strlwr for Linux
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#if(RH_TARGET_SYSTEM != RH_TARGET_SYSTEM_WINDOWS)
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char *_strlwr(char *s)
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{
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char *cp;
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for(cp = s; *cp; cp++)
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*cp = tolower(*cp);
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return s;
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}
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#endif
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// Secure string copy function
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void rhstrcpy(char *szDest, const char *szSource, UINTPREF nMaxBuf)
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{
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RH_ASSERT(szDest != NULL);
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RH_ASSERT(szSource != NULL);
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RH_ASSERT(nMaxBuf != (UINTPREF)-1);
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if(strlen(szSource) < nMaxBuf)
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strcpy(szDest, szSource);
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else
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{
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memcpy(szDest, szSource, nMaxBuf-1);
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szDest[nMaxBuf-1] = 0;
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}
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}
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// Secure string concatenation function
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void rhstrcat(char *szDest, const char *szAppend, UINTPREF nMaxBuf)
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{
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UINTPREF lDest = strlen(szDest);
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UINTPREF lAppend = strlen(szAppend);
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UINTPREF lSum = lDest + lAppend;
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RH_ASSERT(szDest != NULL);
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RH_ASSERT(szAppend != NULL);
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RH_ASSERT(nMaxBuf != (UINTPREF)0);
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RH_ASSERT(nMaxBuf != (UINTPREF)-1);
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if(lSum >= nMaxBuf)
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lAppend = nMaxBuf - (lDest + 1);
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if(lAppend > 0)
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{
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memcpy(szDest + lDest, szAppend, lAppend);
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szDest[lDest + lAppend] = 0;
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}
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}
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// Get the full path of a relative path
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void rhfullpathex(const char *pszRelative, char *pszAbsolute)
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{
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RH_ASSERT(pszRelative != NULL);
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RH_ASSERT(pszAbsolute != NULL);
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#if (RH_TARGET_SYSTEM == RH_TARGET_SYSTEM_WINDOWS)
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_fullpath(pszAbsolute, pszRelative, RH_MAX_PATH);
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#else
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realpath(pszRelative, pszAbsolute);
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#endif
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}
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