X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=ETL%2Ftrunk%2FETL%2F_stringf.h;h=22939a2dbcb7c2231d6283c7d888529ba3e8c996;hb=2fde73ebec7ee1bcb147abc19d16b1bc0deb17bf;hp=5c3642a356465cf763476d164d9ec6bbe9652c51;hpb=8fd07c649f1bdc488aa8e2f9c2a522ca689b798f;p=synfig.git

diff --git a/ETL/trunk/ETL/_stringf.h b/ETL/trunk/ETL/_stringf.h
index 5c3642a..22939a2 100644
--- a/ETL/trunk/ETL/_stringf.h
+++ b/ETL/trunk/ETL/_stringf.h
@@ -1,9 +1,10 @@
 /* =========================================================================
 ** Extended Template and Library
-** stringf Prodecure Implementation
+** stringf Procedure Implementation
 ** $Id$
 **
 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2007 Chris Moore
 **
 ** This package is free software; you can redistribute it and/or
 ** modify it under the terms of the GNU General Public License as
@@ -29,9 +30,14 @@
 
 /* === H E A D E R S ======================================================= */
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
 #include <string>
 #include <cstdarg>
 #include <cstdlib>
+#include <cstdio>
 
 /* === M A C R O S ========================================================= */
 
@@ -39,6 +45,21 @@
 #define ETL_STRPRINTF_MAX_LENGTH	(800)
 #endif
 
+#ifdef WIN32
+#define POPEN_BINARY_READ_TYPE "rb"
+#define POPEN_BINARY_WRITE_TYPE "wb"
+#else
+#define POPEN_BINARY_READ_TYPE "r"
+#define POPEN_BINARY_WRITE_TYPE "w"
+#endif
+
+#ifdef __ETL_HAS__VSNPRINTF
+#ifndef __ETL_HAS_VSNPRINTF
+#define vnsprintf _vnsprintf
+#define __ETL_HAS_VSNPRINTF
+#endif
+#endif
+
 /* === T Y P E D E F S ===================================================== */
 
 _ETL_BEGIN_CDECLS
@@ -49,22 +70,33 @@ _ETL_BEGIN_CDECLS
 #define ETL_NO_THROW throw()
 #endif
 
-#ifdef HAVE_VASPRINTF	// This is the prefered method
- extern int vasprintf(char **,const char *,va_list)ETL_NO_THROW;
+// Prefer prototypes from glibc headers, since defining them ourselves
+// works around glibc security mechanisms
+
+#ifdef __ETL_HAS_VASPRINTF	// This is the preferred method
+ #ifndef __GLIBC__
+  extern int vasprintf(char **,const char *,va_list)ETL_NO_THROW;
+ #endif
 #else
 
-# ifdef HAVE_VSNPRINTF	// This is the secondary method
- extern int vsnprintf(char *,size_t,const char*,va_list)ETL_NO_THROW;
+# ifdef __ETL_HAS_VSNPRINTF	// This is the secondary method
+ #ifndef __GLIBC__
+  extern int vsnprintf(char *,size_t,const char*,va_list)ETL_NO_THROW;
+ #endif
 # endif
 
 #endif
 
-#ifdef HAVE_VSSCANF
-extern int vsscanf(const char *,const char *,va_list)ETL_NO_THROW;
+#ifdef __ETL_HAS_VSSCANF
+ #ifndef __GLIBC__
+  extern int vsscanf(const char *,const char *,va_list)ETL_NO_THROW;
+ #endif
 #else
 #define ETL_NO_VSTRSCANF
-#ifdef HAVE_SSCANF
-extern int sscanf(const char *buf, const char *format, ...)ETL_NO_THROW;
+#ifdef __ETL_HAS_SSCANF
+ #ifndef __GLIBC__
+  extern int sscanf(const char *buf, const char *format, ...)ETL_NO_THROW;
+ #endif
 #endif
 #endif
 
@@ -79,15 +111,18 @@ _ETL_BEGIN_NAMESPACE
 inline std::string
 vstrprintf(const char *format, va_list args)
 {
-#ifdef HAVE_VASPRINTF	// This is the prefered method (and safest)
+#ifdef __ETL_HAS_VASPRINTF	// This is the preferred method (and safest)
 	char *buffer;
 	std::string ret;
-	vasprintf(&buffer,format,args);
-	ret=buffer;
-	free(buffer);
+	int i=vasprintf(&buffer,format,args);
+	if (i>-1)
+	{
+		ret=buffer;
+		free(buffer);
+	}
 	return ret;
 #else
-#ifdef HAVE_VSNPRINTF	// This is the secondary method (Safe, but bulky)
+#ifdef __ETL_HAS_VSNPRINTF	// This is the secondary method (Safe, but bulky)
 #warning etl::vstrprintf() has a maximum size of ETL_STRPRINTF_MAX_LENGTH in this configuration.
 #ifdef ETL_THREAD_SAFE
 	char buffer[ETL_STRPRINTF_MAX_LENGTH];
@@ -136,7 +171,7 @@ strscanf(const std::string &data, const char*format, ...)
 }
 #else
 
-#if defined (HAVE_SSCANF) && defined (__GNUC__)
+#if defined (__ETL_HAS_SSCANF) && defined (__GNUC__)
 #define strscanf(data,format,...) sscanf(data.c_str(),format,__VA_ARGS__)
 #endif
 #endif
@@ -150,21 +185,22 @@ basename(const std::string &str)
 {
 	std::string::const_iterator iter;
 
-	if(str.end()[-1]==ETL_DIRECTORY_SEPERATOR)
+	if(str.size() == 1 && str[0] == ETL_DIRECTORY_SEPARATOR)
+		return str;
+
+	if(str.end()[-1]==ETL_DIRECTORY_SEPARATOR)
 		iter=str.end()-2;
 	else
 		iter=str.end()-1;
 
 	for(;iter!=str.begin();iter--)
-		if(*iter==ETL_DIRECTORY_SEPERATOR)
+		if(*iter==ETL_DIRECTORY_SEPARATOR)
 			break;
 
-	if(iter==str.begin())
-		return str;
-
-	iter++;
+	if (*iter==ETL_DIRECTORY_SEPARATOR)
+		iter++;
 
-	if(str.end()[-1]==ETL_DIRECTORY_SEPERATOR)
+	if(str.end()[-1]==ETL_DIRECTORY_SEPARATOR)
 		return std::string(iter,str.end()-1);
 
 	return std::string(iter,str.end());
@@ -175,21 +211,51 @@ dirname(const std::string &str)
 {
 	std::string::const_iterator iter;
 
-	if(str.end()[-1]==ETL_DIRECTORY_SEPERATOR)
+	if(str.size() == 1 && str[0] == ETL_DIRECTORY_SEPARATOR)
+		return str;
+
+	if(str.end()[-1]==ETL_DIRECTORY_SEPARATOR)
 		iter=str.end()-2;
 	else
 		iter=str.end()-1;
 
 	for(;iter!=str.begin();iter--)
-		if(*iter==ETL_DIRECTORY_SEPERATOR)
+		if(*iter==ETL_DIRECTORY_SEPARATOR)
 			break;
 
 	if(iter==str.begin())
-		return ".";
+	{
+	   if (*iter==ETL_DIRECTORY_SEPARATOR)
+		   return "/";
+	   else
+		   return ".";
+	}
 
 	return std::string(str.begin(),iter);
 }
 
+// filename_extension("/f.e/d.c") => ".c"
+inline std::string
+filename_extension(const std::string &str)
+{
+	std::string base = basename(str);
+	std::string::size_type pos = base.find_last_of('.');
+	if (pos == std::string::npos) return std::string();
+	return base.substr(pos);
+}
+
+// filename_sans_extension("/f.e/d.c") => "/f.e/d"
+inline std::string
+filename_sans_extension(const std::string &str)
+{
+	std::string base = basename(str);
+	std::string::size_type pos = base.find_last_of('.');
+	if (pos == std::string::npos) return str;
+	std::string dir = dirname(str);
+	if (dir == ".") return base.substr(0,pos);
+	return dir + ETL_DIRECTORY_SEPARATOR + base.substr(0,pos);
+}
+
 inline bool
 is_absolute_path(const std::string &path)
 {
@@ -197,7 +263,7 @@ is_absolute_path(const std::string &path)
 	if(path.size()>=3 && path[1]==':' && (path[2]=='\\' || path[2]=='/'))
 		return true;
 #endif
-	if(!path.empty() && path[0]==ETL_DIRECTORY_SEPERATOR)
+	if(!path.empty() && path[0]==ETL_DIRECTORY_SEPARATOR)
 		return true;
 	return false;
 }
@@ -211,7 +277,7 @@ unix_to_local_path(const std::string &path)
 		switch(*iter)
 		{
 		case '/':
-			ret+=ETL_DIRECTORY_SEPERATOR;
+			ret+=ETL_DIRECTORY_SEPARATOR;
 			break;
 		case '~':
 			ret+='~';
@@ -239,12 +305,12 @@ get_root_from_path(std::string path)
 
 	for(iter=path.begin();iter!=path.end();++iter)
 	{
-		if(*iter==ETL_DIRECTORY_SEPERATOR)
+		if(*iter==ETL_DIRECTORY_SEPARATOR)
 			break;
 		ret+=*iter;
 	}
 	//if(iter!=path.end())
-		ret+=ETL_DIRECTORY_SEPERATOR;
+		ret+=ETL_DIRECTORY_SEPARATOR;
 	return ret;
 }
 
@@ -253,7 +319,7 @@ remove_root_from_path(std::string path)
 {
 	while(!path.empty())
 	{
-		if(path[0]==ETL_DIRECTORY_SEPERATOR)
+		if(path[0]==ETL_DIRECTORY_SEPARATOR)
 		{
 			path.erase(path.begin());
 			return path;
@@ -268,27 +334,26 @@ cleanup_path(std::string path)
 {
 	std::string ret;
 
-	while(basename(path)==".")path=dirname(path);
+	while(basename(path)=="."&&path.size()!=1)path=dirname(path);
 
 	while(!path.empty())
 	{
 		std::string dir(get_root_from_path(path));
 		if((dir=="../" || dir=="..\\") && ret.size())
 		{
-			ret=dirname(ret)+ETL_DIRECTORY_SEPERATOR;
+			ret=dirname(ret);
+			if (*(ret.end()-1)!=ETL_DIRECTORY_SEPARATOR)
+				ret+=ETL_DIRECTORY_SEPARATOR;
 		}
 		else if((dir!="./" && dir!=".\\") && dir!=".")
-		{
 			ret+=dir;
-		}
 		path=remove_root_from_path(path);
 	}
+	if (ret.size()==0)ret+='.';
 
-	// Remove any trailing directory seperators
-	if(ret.size() && ret[ret.size()-1]==ETL_DIRECTORY_SEPERATOR)
-	{
+	// Remove any trailing directory separators
+	if(ret.size() && ret[ret.size()-1]==ETL_DIRECTORY_SEPARATOR)
 		ret.erase(ret.begin()+ret.size()-1);
-	}
 	return ret;
 }
 
@@ -301,8 +366,7 @@ absolute_path(std::string path)
 		return cleanup_path(ret);
 	if(is_absolute_path(path))
 		return cleanup_path(path);
-	// TODO: This needs to be written
-	return cleanup_path(ret+ETL_DIRECTORY_SEPERATOR+path);
+	return cleanup_path(ret+ETL_DIRECTORY_SEPARATOR+path);
 }
 
 inline std::string
@@ -324,15 +388,11 @@ relative_path(std::string curr_path,std::string dest_path)
 	// If we are on windows and the dest path is on a different drive,
 	// then there is no way to make a relative path to it.
 	if(dest_path.size()>=3 && dest_path[1]==':' && dest_path[0]!=curr_path[0])
-	{
 		return dest_path;
-	}
 #endif
 
 	if(curr_path==dirname(dest_path))
-	{
 		return basename(dest_path);
-	}
 
 	while(!dest_path.empty() && !curr_path.empty() && get_root_from_path(dest_path)==get_root_from_path(curr_path))
 	{
@@ -342,7 +402,7 @@ relative_path(std::string curr_path,std::string dest_path)
 
 	while(!curr_path.empty())
 	{
-		dest_path=std::string("..")+ETL_DIRECTORY_SEPERATOR+dest_path;
+		dest_path=std::string("..")+ETL_DIRECTORY_SEPARATOR+dest_path;
 		curr_path=remove_root_from_path(curr_path);
 	}