ericw-tools/qbsp/cmdlib.cc

168 lines
3.6 KiB
C++

/*
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1997 Greg Lewis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
See file, 'COPYING', for details.
*/
// cmdlib.c
#include "qbsp.h"
#include <sys/types.h>
#include <string.h>
#ifdef WIN32
#include <windows.h>
#endif
#ifdef LINUX
#include <sys/time.h>
#endif
#define PATHSEPERATOR '/'
char *
copystring(const char *s)
{
char *b;
b = (char *)AllocMem(OTHER, strlen(s) + 1, true);
strcpy(b, s);
return b;
}
/*
================
I_FloatTime
================
*/
double
I_FloatTime(void)
{
#ifdef WIN32
FILETIME ft;
uint64_t hundred_ns;
GetSystemTimeAsFileTime(&ft);
hundred_ns = (((uint64_t)ft.dwHighDateTime) << 32) + ((uint64_t)ft.dwLowDateTime);
return (double)hundred_ns / 10000000.0;
#else
struct timeval tv;
gettimeofday(&tv, NULL);
return (double)tv.tv_sec + (tv.tv_usec / 1000000.0);
#endif
}
/*
=============================================================================
MISC FUNCTIONS
=============================================================================
*/
void
DefaultExtension(char *path, const char *extension)
{
char *src;
//
// if path doesn't have a .EXT, append extension
// (extension should include the .)
//
src = path + strlen(path) - 1;
while (*src != PATHSEPERATOR && src != path) {
if (*src == '.')
return; // it has an extension
src--;
}
strcat(path, extension);
}
void
StripExtension(char *path)
{
int length;
length = strlen(path) - 1;
while (length > 0 && path[length] != '.') {
length--;
if (path[length] == PATHSEPERATOR)
return; // no extension
}
if (length)
path[length] = 0;
}
void
StripFilename(char *path)
{
int length;
length = strlen(path) - 1;
while (length > 0 && path[length] != PATHSEPERATOR)
length--;
path[length] = '\0';
}
int
IsAbsolutePath(const char *path)
{
return path[0] == PATHSEPERATOR || (isalpha(path[0]) && path[1] == ':');
}
int
Q_strncasecmp(const char *s1, const char *s2, int n)
{
int c1, c2;
while (1) {
c1 = *s1++;
c2 = *s2++;
if (!n--)
return 0; /* strings are equal until end point */
if (c1 != c2) {
if (c1 >= 'a' && c1 <= 'z')
c1 -= ('a' - 'A');
if (c2 >= 'a' && c2 <= 'z')
c2 -= ('a' - 'A');
if (c1 != c2)
return -1; /* strings not equal */
}
if (!c1)
return 0; /* strings are equal */
}
return -1;
}
int
Q_strcasecmp(const char *s1, const char *s2)
{
return Q_strncasecmp(s1, s2, 99999);
}