serval-dna/win32/win32.c

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1.9 KiB
C
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#include "../mphlr.h"
char *optarg; // global argument pointer
int optind = 0; // global argv index
int strncasecmp(char *a,char *b,int len){
return CompareStringA(LOCALE_INVARIANT, NORM_IGNORECASE, a, -1, b, len) -2;
}
int getopt(int argc, char *argv[], char *optstring)
{
char c;
char *cp;
static char *next = NULL;
if (optind == 0)
next = NULL;
optarg = NULL;
if (next == NULL || *next == '\0')
{
if (optind == 0)
optind++;
if (optind >= argc || argv[optind][0] != '-' || argv[optind][1] == '\0')
{
optarg = NULL;
if (optind < argc)
optarg = argv[optind];
return EOF;
}
if (strcmp(argv[optind], "--") == 0)
{
optind++;
optarg = NULL;
if (optind < argc)
optarg = argv[optind];
return EOF;
}
next = argv[optind];
next++; // skip past -
optind++;
}
c = *next++;
cp = strchr(optstring, c);
if (cp == NULL || c == ':')
return '?';
cp++;
if (*cp == ':')
{
if (*next != '\0')
{
optarg = next;
next = NULL;
}
else if (optind < argc)
{
optarg = argv[optind];
optind++;
}
else
{
return '?';
}
}
return c;
}
int gettimeofday(struct timeval *tv, void *tz)
{
FILETIME ft;
unsigned __int64 tmpres = 0;
static int tzflag;
if (NULL != tv)
{
GetSystemTimeAsFileTime(&ft);
tmpres |= ft.dwHighDateTime;
tmpres <<= 32;
tmpres |= ft.dwLowDateTime;
/*converting file time to unix epoch*/
tmpres -= DELTA_EPOCH_IN_MICROSECS;
tmpres /= 10; /*convert into microseconds*/
tv->tv_sec = (long)(tmpres / 1000000UL);
tv->tv_usec = (long)(tmpres % 1000000UL);
}
return 0;
}
void * mmap(void *i1, size_t len, int i2, int i3, int fd, int offset){
HANDLE fm;
HANDLE h = (HANDLE) _get_osfhandle (fd);
fm = CreateFileMapping(h, NULL, PAGE_READWRITE, 0, len+offset, NULL);
return MapViewOfFile(fm, FILE_MAP_WRITE, 0, offset, len);
}