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* Doxygenified comments, simplifying them and shortening in the process
* Eliminated extra space git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10104 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -90,27 +90,20 @@ namespace {
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namespace llvm {
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//
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// Function: PrintAndReturn ()
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//
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// Description:
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// Prints a message (usually error message) to standard error (stderr) and
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// returns a value usable for an exit status.
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//
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// Inputs:
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// progname - The name of the program (i.e. argv[0]).
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// Message - The message to print to standard error.
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// Extra - Extra information to print between the program name and thei
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// message. It is optional.
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//
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// Outputs:
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// None.
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//
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// Return value:
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// Returns a value that can be used as the exit status (i.e. for exit()).
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//
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/// PrintAndReturn - Prints a message to standard error and returns a value
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/// usable for an exit status.
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///
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/// Inputs:
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/// progname - The name of the program (i.e. argv[0]).
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/// Message - The message to print to standard error.
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/// Extra - Extra information to print between the program name and thei
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/// message. It is optional.
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///
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/// Return value:
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/// Returns a value that can be used as the exit status (i.e. for exit()).
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///
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int
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PrintAndReturn (const char *progname,
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PrintAndReturn(const char *progname,
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const std::string &Message,
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const std::string &Extra)
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{
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@ -118,28 +111,20 @@ PrintAndReturn (const char *progname,
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return 1;
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}
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//
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//
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// Function: CopyEnv()
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//
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// Description:
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// This function takes an array of environment variables and makes a
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// copy of it. This copy can then be manipulated any way the caller likes
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// without affecting the process's real environment.
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//
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// Inputs:
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// envp - An array of C strings containing an environment.
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//
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// Outputs:
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// None.
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//
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// Return value:
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// NULL - An error occurred.
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//
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// Otherwise, a pointer to a new array of C strings is returned. Every string
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// in the array is a duplicate of the one in the original array (i.e. we do
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// not copy the char *'s from one array to another).
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//
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/// CopyEnv - This function takes an array of environment variables and makes a
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/// copy of it. This copy can then be manipulated any way the caller likes
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/// without affecting the process's real environment.
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///
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/// Inputs:
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/// envp - An array of C strings containing an environment.
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///
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/// Return value:
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/// NULL - An error occurred.
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///
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/// Otherwise, a pointer to a new array of C strings is returned. Every string
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/// in the array is a duplicate of the one in the original array (i.e. we do
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/// not copy the char *'s from one array to another).
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///
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char ** CopyEnv(char ** const envp) {
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// Count the number of entries in the old list;
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unsigned entries; // The number of entries in the old environment list
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@ -173,28 +158,19 @@ char ** CopyEnv(char ** const envp) {
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}
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//
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// Function: RemoveEnv()
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//
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// Description:
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// Remove the specified environment variable from the environment array.
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//
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// Inputs:
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// name - The name of the variable to remove. It cannot be NULL.
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// envp - The array of environment variables. It cannot be NULL.
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//
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// Outputs:
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// envp - The pointer to the specified variable name is removed.
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//
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// Return value:
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// None.
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//
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// Notes:
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// This is mainly done because functions to remove items from the environment
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// are not available across all platforms. In particular, Solaris does not
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// seem to have an unsetenv() function or a setenv() function (or they are
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// undocumented if they do exist).
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//
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/// RemoveEnv - Remove the specified environment variable from the environment
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/// array.
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///
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/// Inputs:
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/// name - The name of the variable to remove. It cannot be NULL.
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/// envp - The array of environment variables. It cannot be NULL.
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///
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/// Notes:
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/// This is mainly done because functions to remove items from the environment
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/// are not available across all platforms. In particular, Solaris does not
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/// seem to have an unsetenv() function or a setenv() function (or they are
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/// undocumented if they do exist).
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///
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void RemoveEnv(const char * name, char ** const envp) {
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for (unsigned index=0; envp[index] != NULL; index++) {
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// Find the first equals sign in the array and make it an EOS character.
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@ -220,7 +196,7 @@ void RemoveEnv(const char * name, char ** const envp) {
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int main(int argc, char **argv, char **envp) {
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cl::ParseCommandLineOptions(argc, argv, " llvm linker for GCC\n");
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std::string ModuleID ("gccld-output");
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std::string ModuleID("gccld-output");
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std::auto_ptr<Module> Composite(new Module(ModuleID));
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// We always look first in the current directory when searching for libraries.
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