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Full Discussion: C++ function using strings
Top Forums Programming C++ function using strings Post 302753845 by kbw on Wednesday 9th of January 2013 12:27:18 PM
Old 01-09-2013
To begin with, you should consider this an error:
Code:
char* c1 = "Hello";

You're creating a mutable pointer into a constant memory block. It should be:
Code:
const char* c1 = "Hello";

When passing object in a read-only capacity, you should consider passing by const reference rather than copying. An object passed this way shows up as const, and you can only call const methods on the object.

A string can be constructed from a const char*.

Using the notion of const-correctness, and temporary string can be constructed from a const char*, you get:
Code:
void error_notify(const std::string &brief_msg, const std::string &detailed_msg)
{
	std::cerr << "\nRUNTIME ERROR!  " << brief_msg << ':' << detailed_msg << std::endl;
}

This User Gave Thanks to kbw For This Post:
 

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wstring(3C)						   Standard C Library Functions 					       wstring(3C)

NAME
wstring, wscasecmp, wsncasecmp, wsdup, wscol - Process Code string operations SYNOPSIS
#include <widec.h> int wscasecmp(const wchar_t *s1, const wchar_t *s2); int wsncasecmp(const wchar_t *s1, const wchar_t *s2, int n); wchar_t *wsdup(const wchar_t *s); int wscol(const wchar_t *s); DESCRIPTION
These functions operate on Process Code strings terminated by wchar_t null characters. During appending or copying, these routines do not check for an overflow condition of the receiving string. In the following, s, s1, and s2 point to Process Code strings terminated by a wchar_t null. wscasecmp(), wsncasecmp() The wscasecmp() function compares its arguments, ignoring case, and returns an integer greater than, equal to, or less than 0, depending upon whether s1 is lexicographically greater than, equal to, or less than s2. It makes the same comparison but compares at most n Process Code characters. The four Extended Unix Code (EUC) codesets are ordered from lowest to highest as 0, 2, 3, 1 when characters from different codesets are compared. wsdup() The wsdup() function returns a pointer to a new Process Code string, which is a duplicate of the string pointed to by s. The space for the new string is obtained using malloc(3C). If the new string cannot be created, a null pointer is returned. wscol() The wscol() function returns the screen display width (in columns) of the Process Code string s. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
malloc(3C), string(3C), wcstring(3C), attributes(5) SunOS 5.10 29 Dec 1996 wstring(3C)
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