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fteqw/plugins/qvm_api.c
Spoike 9000f497ec misc fixes and tweaks: 
added //it stuffcmd.
now parsing //wps stuffcmds for ezhud use.
rework worker threads a little so that the main thread is no longer guaranteed to be stalled at least once. This speeds up load times a little.
fix nq server player counts in the server browser.
fix switching from/to spectator mode from destroying frag counts.
tweak custom bf args a little.
fix issue with player names starting with char 0x80.
fix menu.dat not loading.
attempt to fix flush lag on windows.
some fixes for stencil shadows.
try to fix public builds not knowing their svn revision. this should fix autoupdates.
added global_gravitydir vector, for mods that want to be really weird. doesn't clear onground flags however.
reworked the status command a little to attempt to report bursts a little better.
fix multicasts missing in mvds issue.
fix illegible server message with dpp7 downloads.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4992 fc73d0e0-1445-4013-8a0c-d673dee63da5
2015-10-27 15:20:15 +00:00

592 lines
9.6 KiB
C
Raw Blame History

/* An implementation of some 'standard' functions */
/* We use this with msvc too, because msvc's implementations of
_snprintf and _vsnprint differ - besides, this way we can make
sure qvms handle all the printf stuff that dlls do*/
#include "plugin.h"
/*
this is a fairly basic implementation.
don't expect it to do much.
You can probably get a better version from somewhere.
*/
int Q_vsnprintf(char *buffer, size_t maxlen, const char *format, va_list vargs)
{
int tokens=0;
char *string;
char tempbuffer[64];
char sign;
unsigned int _uint;
int _int;
float _float;
int i;
int use0s;
int width, useprepad, plus;
int precision;
if (!maxlen)
return 0;
maxlen--;
while(*format)
{
switch(*format)
{
case '%':
plus = 0;
width= 0;
precision=-1;
useprepad=0;
use0s= 0;
retry:
switch(*(++format))
{
case '-':
useprepad=true;
goto retry;
case '+':
plus = true;
goto retry;
case '.':
precision = 0;
while (format[1] >= '0' && format[1] <= '9')
precision = precision*10+*++format-'0';
goto retry;
case '0':
if (!width)
{
use0s=true;
goto retry;
}
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
width=width*10+*format-'0';
goto retry;
case '%': /*emit a %*/
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *format;
break;
case 's':
string = va_arg(vargs, char *);
if (!string)
string = "(null)";
if (width)
{
while (*string && width--)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *string++;
}
}
else
{
while (*string)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *string++;
}
}
tokens++;
break;
case 'c':
_int = va_arg(vargs, int);
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = _int;
tokens++;
break;
case 'x':
_uint = va_arg(vargs, unsigned int);
i = sizeof(tempbuffer)-2;
tempbuffer[i+1] = '\0';
while(_uint)
{
tempbuffer[i] = (_uint&0xf) + '0';
if (tempbuffer[i] > '9')
tempbuffer[i] = tempbuffer[i] - ':' + 'a';
_uint/=16;
i--;
}
string = tempbuffer+i+1;
if (!*string)
{
i=61;
string = tempbuffer+i+1;
string[0] = '0';
string[1] = '\0';
}
width -= 62-i;
while (width>0)
{
string--;
if (use0s)
*string = '0';
else
*string = ' ';
width--;
}
while (*string)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *string++;
}
tokens++;
break;
case 'd':
case 'u':
case 'i':
_int = va_arg(vargs, int);
if (useprepad)
{
/*
if (_int >= 1000)
useprepad = 4;
else if (_int >= 100)
useprepad = 3;
else if (_int >= 10)
useprepad = 2;
else if (_int >= 0)
useprepad = 1;
else if (_int <= -1000)
useprepad = 5;
else if (_int <= -100)
useprepad = 4;
else if (_int <= -10)
useprepad = 3;
else
useprepad = 2;
useprepad = precision - useprepad;
Con_Printf("add %i chars\n", useprepad);
while (useprepad>0)
{
if (--maxlen < 0)
{*buffer++='\0';return tokens;}
*buffer++ = ' ';
useprepad--;
}
Con_Printf("%i bytes left\n", maxlen);
*/
}
if (_int < 0)
{
sign = '-';
_int *= -1;
}
else if (plus)
sign = '+';
else
sign = 0;
i = sizeof(tempbuffer)-2;
tempbuffer[sizeof(tempbuffer)-1] = '\0';
while(_int)
{
tempbuffer[i--] = _int%10 + '0';
_int/=10;
}
if (sign)
tempbuffer[i--] = sign;
string = tempbuffer+i+1;
if (!*string)
{
i=61;
string = tempbuffer+i+1;
string[0] = '0';
string[1] = '\0';
}
width -= 62-i;
/* while (width>0)
{
string--;
*string = ' ';
width--;
}
*/
while(width>0)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
if (use0s)
*buffer++ = '0';
else
*buffer++ = ' ';
width--;
}
while (*string)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *string++;
}
tokens++;
break;
case 'f':
_float = (float)va_arg(vargs, double);
//integer part.
_int = (int)_float;
if (_int < 0)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = '-';
_int *= -1;
}
i = sizeof(tempbuffer)-2;
tempbuffer[sizeof(tempbuffer)-1] = '\0';
if (!_int)
{
tempbuffer[i--] = '0';
}
else
{
while(_int)
{
tempbuffer[i--] = _int%10 + '0';
_int/=10;
}
}
string = tempbuffer+i+1;
while (*string)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *string++;
}
_int = sizeof(tempbuffer)-2-i;
//floating point part.
_float -= (int)_float;
i = 0;
tempbuffer[i++] = '.';
if (precision < 0)
precision = 7;
while(_float - (int)_float)
{
if (i > precision) //remove the excess presision.
break;
_float*=10;
tempbuffer[i++] = (int)_float%10 + '0';
}
if (i == 1) //no actual fractional part
{
tokens++;
break;
}
//concatinate to our string
tempbuffer[i] = '\0';
string = tempbuffer;
while (*string)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *string++;
}
tokens++;
break;
default:
string = "ERROR IN FORMAT";
while (*string)
{
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *string++;
}
break;
}
break;
default:
if (maxlen-- == 0)
{*buffer++='\0';return tokens;}
*buffer++ = *format;
break;
}
format++;
}
{*buffer++='\0';return tokens;}
}
int Q_snprintf(char *buffer, size_t maxlen, const char *format, ...)
{
int p;
va_list argptr;
va_start (argptr, format);
p = Q_vsnprintf (buffer, maxlen, format,argptr);
va_end (argptr);
return p;
}
#ifdef Q3_VM
//libc functions that are actually properly supported on all other platforms (c89)
int strlen(const char *s)
{
int len = 0;
while(*s++)
len++;
return len;
}
int strncmp (const char *s1, const char *s2, int count)
{
while (1)
{
if (!count--)
return 0;
if (*s1 != *s2)
return -1; // strings not equal
if (!*s1)
return 0; // strings are equal
s1++;
s2++;
}
return -1;
}
int strnicmp(const char *s1, const char *s2, int count)
{
char c1, c2;
char ct;
while(*s1)
{
if (!count--)
return 0;
c1 = *s1;
c2 = *s2;
if (c1 != c2)
{
if (c1 >= 'a' && c1 <= 'z') c1 = c1-'a' + 'A';
if (c2 >= 'a' && c2 <= 'z') c2 = c2-'a' + 'A';
if (c1 != c2)
return c1<c2?-1:1;
}
s1++;
s2++;
}
if (*s2) //s2 was longer.
return 1;
return 0;
}
int strcmp(const char *s1, const char *s2)
{
while(*s1)
{
if (*s1 != *s2)
return *s1<*s2?-1:1;
s1++;
s2++;
}
if (*s2) //s2 was longer.
return 1;
return 0;
}
int stricmp(const char *s1, const char *s2)
{
char c1, c2;
char ct;
while(*s1)
{
c1 = *s1;
c2 = *s2;
if (c1 != c2)
{
if (c1 >= 'a' && c1 <= 'z') c1 = c1-'a' + 'A';
if (c2 >= 'a' && c2 <= 'z') c2 = c2-'a' + 'A';
if (c1 != c2)
return c1<c2?-1:1;
}
s1++;
s2++;
}
if (*s2) //s2 was longer.
return 1;
return 0;
}
char *strstr(char *str, const char *sub)
{
char *p;
char *p2;
int l = strlen(sub)-1;
if (l < 0)
return NULL;
while(*str)
{
if (*str == *sub)
{
if (!strncmp (str+1, sub+1, l))
return str;
}
str++;
}
return NULL;
}
char *strchr(char *str, char sub)
{
char *p;
char *p2;
while(*str)
{
if (*str == sub)
return str;
str++;
}
return NULL;
}
int atoi(char *str)
{
int sign;
int num = 0;
int base = 10;
while(*(unsigned char*)str < ' ' && *str)
str++;
if (*str == '-')
{
sign = -1;
str++;
}
else sign = 1;
if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X'))
{
base = 16;
str += 2;
}
while(1)
{
if (*str >= '0' && *str <= '9')
num = num*base + (*str - '0');
else if (*str >= 'a' && *str <= 'a'+base-10)
num = num*base + (*str - 'a')+10;
else if (*str >= 'A' && *str <= 'A'+base-10)
num = num*base + (*str - 'A')+10;
else break; //bad char
str++;
}
return num*sign;
}
float atof(char *str)
{
int sign;
float num = 0.0f;
float unit = 1;
while(*(unsigned char*)str < ' ' && *str)
str++;
if (*str == '-')
{
sign = -1;
str++;
}
else sign = 1;
while(1)
{//each time we find a new digit, increase the value of the previous digets by a factor of ten, and add the new
if (*str >= '0' && *str <= '9')
num = num*10 + (*str - '0');
else break; //bad char
str++;
}
if (*str == '.')
{ //each time we find a new digit, decrease the value of the following digits.
str++;
while(1)
{
if (*str >= '0' && *str <= '9')
{
unit /= 10;
num = num + (*str - '0')*unit;
}
else break; //bad char
str++;
}
}
return num*sign;
}
void strcpy(char *d, const char *s)
{
while (*s)
{
*d++ = *s++;
}
*d='\0';
}
static long randx = 1;
void srand(unsigned int x)
{
randx = x;
}
int getseed(void)
{
return randx;
}
int rand(void)
{
return(((randx = randx*1103515245 + 12345)>>16) & 077777);
}
#endif
void Q_strlcpy(char *d, const char *s, int n)
{
int i;
n--;
if (n < 0)
return; //this could be an error
for (i=0; *s; i++)
{
if (i == n)
break;
*d++ = *s++;
}
*d='\0';
}
void Q_strlcat(char *d, const char *s, int n)
{
if (n)
{
int dlen = strlen(d);
int slen = strlen(s)+1;
if (slen > (n-1)-dlen)
slen = (n-1)-dlen;
memcpy(d+dlen, s, slen);
d[n - 1] = 0;
}
}
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