mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-17 21:25:40 +00:00
0f41b99c5e
- CodeChange: added str_validate(char *str) function that checks if a string contains only printable characters and if not, replaces those characters by question marks. Also move IsValidAsciiChar() to string.h
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* $Id$ */
|
|
|
|
#ifndef STRING_H
|
|
#define STRING_H
|
|
|
|
/*
|
|
* dst: destination buffer
|
|
* src: string to copy/concatenate
|
|
* size: size of the destination buffer
|
|
* usage: ttd_strlcpy(dst, src, lengthof(dst));
|
|
*/
|
|
void ttd_strlcat(char *dst, const char *src, size_t size);
|
|
void ttd_strlcpy(char *dst, const char *src, size_t size);
|
|
|
|
/*
|
|
* dst: destination buffer
|
|
* src: string to copy
|
|
* last: pointer to the last element in the dst array
|
|
* if NULL no boundary check is performed
|
|
* returns a pointer to the terminating \0 in the destination buffer
|
|
* usage: strecpy(dst, src, lastof(dst));
|
|
*/
|
|
char* strecat(char* dst, const char* src, const char* last);
|
|
char* strecpy(char* dst, const char* src, const char* last);
|
|
|
|
char* CDECL str_fmt(const char* str, ...);
|
|
|
|
/** Scans the string for valid characters and if it finds invalid ones,
|
|
* replaces them with a question mark '?' */
|
|
void str_validate(char *str);
|
|
|
|
/** Only allow valid ascii-function codes. Filter special codes like BELL and
|
|
* so on [we need a special filter here later]
|
|
* @param key character to be checked
|
|
* @return true or false depending if the character is printable/valid or not */
|
|
static inline bool IsValidAsciiChar(byte key)
|
|
{
|
|
// XXX This filter stops certain crashes, but may be too restrictive.
|
|
return (key >= ' ' && key < 127) || (key >= 160 &&
|
|
key != 0xAA && key != 0xAC && key != 0xAD && key != 0xAF &&
|
|
key != 0xB5 && key != 0xB6 && key != 0xB7 && key != 0xB9);
|
|
}
|
|
|
|
#endif /* STRING_H */
|