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https://github.com/scp-fs2open/fs2open.github.com.git
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Goober5000
f3bca4384f
This refactors the tolower/toupper code to use standards-conformant logic, and also adds some helpful utility functions. Regular tolower/toupper must be supplied a value that can be represented as `unsigned char`, but the std:: functions are a bit more robust.
80 lines
1.6 KiB
C++
80 lines
1.6 KiB
C++
//
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//
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#ifndef FS2_OPEN_CASECMP_H
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#define FS2_OPEN_CASECMP_H
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#include "platformChecks.h"
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#include <utility>
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#if SCP_HAVE_STRCASECMP || SCP_HAVE_STRNCASECMP
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#if SCP_HAVE_STRINGS_H
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#include <strings.h>
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#else
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#error strings.h is not available!
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#endif
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#endif
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#if SCP_HAVE__STRICMP || SCP_HAVE__STRNICMP || SCP_HAVE_STRLWR
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#include <string.h>
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#endif
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#if SCP_HAVE_STRCASECMP
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inline int stricmp(const char* s1, const char* s2) {
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return strcasecmp(s1, s2);
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}
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#elif SCP_HAVE__STRICMP
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inline int stricmp(const char* s1, const char* s2) {
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return _stricmp(s1, s2);
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}
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#else
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#error No case insensitive string comparision available!
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#endif
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#if SCP_HAVE_STRNCASECMP
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inline int strnicmp(const char* s1, const char* s2, size_t n) {
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return strncasecmp(s1, s2, n);
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}
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#elif SCP_HAVE__STRNICMP
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inline int strnicmp(const char* s1, const char* s2, size_t n) {
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return _strnicmp(s1, s2, n);
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}
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#else
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#error No case insensitive string comparision available!
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#endif
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#if !SCP_HAVE_STRLWR
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inline void strlwr(char *s) {
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if (s == NULL)
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return;
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while (*s) {
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*s = (char) tolower((unsigned char) *s);
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s++;
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}
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}
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#endif
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#if !SCP_HAVE_SNPRINTF
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// Older Visual Studio versions have _snprintf but that does not always append a null terminator so we do not want to
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// use that
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#error No support for standard conforming snprintf detected!
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#endif
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template<size_t SIZE, typename... Args>
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inline int sprintf_safe(char (&dest)[SIZE], const char* format, Args&&... args) {
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auto written = snprintf(dest, SIZE, format, std::forward<Args>(args)...);
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if (written < 0) {
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return written;
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}
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if ((size_t)written >= SIZE) {
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dest[SIZE - 1] = '\0';
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}
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return written;
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}
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#endif //FS2_OPEN_CASECMP_H
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