File: SafeCStrings.c

package info (click to toggle)
spring 98.0%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 41,928 kB
  • ctags: 60,665
  • sloc: cpp: 356,167; ansic: 39,434; python: 12,228; java: 12,203; awk: 5,856; sh: 1,719; xml: 997; perl: 405; php: 253; objc: 194; makefile: 72; sed: 2
file content (42 lines) | stat: -rw-r--r-- 1,151 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */

#include "maindefines.h"
#include <string.h>

/*
 * This file has to be C90 compatible, as it is not only used by the engine,
 * but also by AIs, which might be compiled with compilers (for example VS)
 * that do not support C99.
 *
 * Using these functions also allows us to easily check where we are
 * sometimes writing to too small buffer, or where our source is bad,
 * for example when it is too long.
 */

#ifdef	__cplusplus
extern "C" {
#endif

char* safe_strcpy(char* destination, size_t destinationSize, const char* source)
{
	if ((destination != NULL) && (destinationSize > 0)) {
		destination[destinationSize - 1] = '\0';
		destination = STRNCPY(destination, source, destinationSize - 1);
	}

	return destination;
}

char* safe_strcat(char* destination, size_t destinationSize, const char* source)
{
	if ((destination != NULL) && (destinationSize > 0)) {
		destination[destinationSize - 1] = '\0';
		destination = STRNCAT(destination, source, destinationSize - strlen(destination) - 1);
	}

	return destination;
}

#ifdef	__cplusplus
} // extern "C"
#endif