shared.c File Reference

#include "shared/shared.h"

Go to the source code of this file.

Functions
void	AngleVectors (vec3_t angles, vec3_t forward, vec3_t right, vec3_t up)
vec_t	VectorNormalize (vec3_t v)
vec_t	VectorNormalize2 (vec3_t v, vec3_t out)
void	ClearBounds (vec3_t mins, vec3_t maxs)
void	AddPointToBounds (const vec3_t v, vec3_t mins, vec3_t maxs)
void	UnionBounds (vec3_t a[2], vec3_t b[2], vec3_t c[2])
vec_t	RadiusFromBounds (const vec3_t mins, const vec3_t maxs)
char *	COM_SkipPath (const char *pathname)
void	COM_StripExtension (const char *in, char *out, size_t size)
char *	COM_FileExtension (const char *in)
void	COM_FileBase (char *in, char *out)
void	COM_FilePath (const char *in, char *out, size_t size)
size_t	COM_DefaultExtension (char *path, const char *ext, size_t size)
qboolean	COM_IsFloat (const char *s)
qboolean	COM_IsUint (const char *s)
qboolean	COM_IsPath (const char *s)
qboolean	COM_IsWhite (const char *s)
int	SortStrcmp (const void *p1, const void *p2)
int	SortStricmp (const void *p1, const void *p2)
size_t	COM_strclr (char *s)
char *	va (const char *format,...)
char *	COM_Parse (const char **data_p)
size_t	COM_Compress (char *data)
int	Q_strncasecmp (const char *s1, const char *s2, size_t n)
int	Q_strcasecmp (const char *s1, const char *s2)
char *	Q_strcasestr (const char *s1, const char *s2)
size_t	Q_strlcpy (char *dst, const char *src, size_t size)
size_t	Q_strlcat (char *dst, const char *src, size_t size)
size_t	Q_concat (char *dest, size_t size,...)
size_t	Q_vsnprintf (char *dest, size_t size, const char *fmt, va_list argptr)
size_t	Q_vscnprintf (char *dest, size_t size, const char *fmt, va_list argptr)
size_t	Q_snprintf (char *dest, size_t size, const char *fmt,...)
size_t	Q_scnprintf (char *dest, size_t size, const char *fmt,...)
char *	Q_strchrnul (const char *s, int c)
void *	Q_memccpy (void *dst, const void *src, int c, size_t size)
void	Q_setenv (const char *name, const char *value)
char *	Info_ValueForKey (const char *s, const char *key)
void	Info_RemoveKey (char *s, const char *key)
qboolean	Info_Validate (const char *s)
size_t	Info_SubValidate (const char *s)
qboolean	Info_SetValueForKey (char *s, const char *key, const char *value)
void	Info_NextPair (const char **string, char *key, char *value)
void	Info_Print (const char *infostring)

Variables
vec3_t	vec3_origin = { 0, 0, 0 }
static char	com_token [4][MAX_TOKEN_CHARS]
static int	com_tokidx

Function Documentation

AddPointToBounds()

void AddPointToBounds	(	const vec3_t	v,
		vec3_t	mins,
		vec3_t	maxs
	)

Definition at line 97 of file shared.c.

{
    int        i;
    vec_t    val;
 
    for (i = 0; i < 3; i++) {
        val = v[i];
        if (val < mins[i])
            mins[i] = val;
        if (val > maxs[i])
            maxs[i] = val;
    }
}

Referenced by Think_SpawnDoorTrigger().

AngleVectors()

void AngleVectors	(	vec3_t	angles,
		vec3_t	forward,
		vec3_t	right,
		vec3_t	up
	)

Definition at line 23 of file shared.c.

{
    float        angle;
    float        sr, sp, sy, cr, cp, cy;
 
    angle = angles[YAW] * (M_PI * 2 / 360);
    sy = sin(angle);
    cy = cos(angle);
    angle = angles[PITCH] * (M_PI * 2 / 360);
    sp = sin(angle);
    cp = cos(angle);
    angle = angles[ROLL] * (M_PI * 2 / 360);
    sr = sin(angle);
    cr = cos(angle);
 
    if (forward) {
        forward[0] = cp * cy;
        forward[1] = cp * sy;
        forward[2] = -sp;
    }
    if (right) {
        right[0] = (-1 * sr * sp * cy + -1 * cr * -sy);
        right[1] = (-1 * sr * sp * sy + -1 * cr * cy);
        right[2] = -1 * sr * cp;
    }
    if (up) {
        up[0] = (cr * sp * cy + -sr * -sy);
        up[1] = (cr * sp * sy + -sr * cy);
        up[2] = cr * cp;
    }
}

Referenced by actorMachineGun(), ai_run(), Blaster_Fire(), boss2_firebullet_left(), boss2_firebullet_right(), Boss2Rocket(), Chaingun_Fire(), CheckPowerArmor(), ChickRocket(), CL_AddExplosionLight(), CL_AddPacketEntities(), CL_AddPlayerBeams(), CL_AddViewWeapon(), CL_CalcViewValues(), CL_MuzzleFlash(), CL_MuzzleFlash2(), CL_SetupThirdPersionView(), CL_TrackerTrail(), ClientEndServerFrame(), CM_TransformedPointContents(), Drop_Item(), fire_flaregun(), fire_grenade(), fire_grenade2(), fire_hit(), fire_lead(), flare_sparks(), floater_fire_blaster(), floater_zap(), flyer_fire(), G_SetMovedir(), gib_touch(), GladiatorGun(), GunnerFire(), GunnerGrenade(), hover_fire_blaster(), InfantryMachineGun(), infront(), jorg_firebullet_left(), jorg_firebullet_right(), jorgBFG(), Machinegun_Fire(), makronBFG(), MakronHyperblaster(), MakronRailgun(), medic_cable_attack(), medic_fire_blaster(), mutant_jump_takeoff(), MVD_HitPlayer(), parasite_drain_attack(), PM_ClampAngles(), Pmove(), R_AliasSetUpLerpData(), R_AliasSetUpTransform(), R_SetupFrame(), RotatedBBox(), soldier_fire(), SP_func_door_secret(), supertankMachineGun(), supertankRocket(), SV_Push(), TankBlaster(), TankMachineGun(), TankRocket(), Touch_Multi(), turret_breach_fire(), UpdateChaseCam(), vkpt_freecam_update(), weapon_bfg_fire(), weapon_flaregun_fire(), weapon_grenade_fire(), weapon_grenadelauncher_fire(), weapon_railgun_fire(), Weapon_RocketLauncher_Fire(), weapon_shotgun_fire(), and weapon_supershotgun_fire().

ClearBounds()

void ClearBounds	(	vec3_t	mins,
		vec3_t	maxs
	)

Definition at line 91 of file shared.c.

{
    mins[0] = mins[1] = mins[2] = 99999;
    maxs[0] = maxs[1] = maxs[2] = -99999;
}

Referenced by MOD_LoadMD2_GL(), and MOD_LoadMD2_RTX().

COM_Compress()

size_t COM_Compress

(

char *

data

)

Definition at line 543 of file shared.c.

{
    int     c, n = 0;
    char    *s = data, *d = data;
 
    while (*s) {
        // skip whitespace
        if (*s <= ' ') {
            if (n == 0) {
                n = ' ';
            }
            do {
                c = *s++;
                if (c == '\n') {
                    n = '\n';
                }
                if (!c) {
                    goto finish;
                }
            } while (*s <= ' ');
        }
 
        // skip // comments
        if (s[0] == '/' && s[1] == '/') {
            n = ' ';
            s += 2;
            while (*s && *s != '\n') {
                s++;
            }
            continue;
        }
 
        // skip /* */ comments
        if (s[0] == '/' && s[1] == '*') {
            n = ' ';
            s += 2;
            while (*s) {
                if (s[0] == '*' && s[1] == '/') {
                    s += 2;
                    break;
                }
                if (*s == '\n') {
                    n = '\n';
                }
                s++;
            }
            continue;
        }
 
        // add whitespace character
        if (n) {
            *d++ = n;
            n = 0;
        }
 
        // handle quoted strings specially
        if (*s == '\"') {
            s++;
            *d++ = '\"';
            do {
                c = *s++;
                if (!c) {
                    goto finish;
                }
                *d++ = c;
            } while (c != '\"');
            continue;
        }
 
        // handle line feed escape
        if (*s == '\\' && s[1] == '\n') {
            s += 2;
            continue;
        }
        if (*s == '\\' && s[1] == '\r' && s[2] == '\n') {
            s += 3;
            continue;
        }
 
        // parse a regular word
        do {
            *d++ = *s++;
        } while (*s > ' ');
    }
 
finish:
    *d = 0;
 
    return d - data;
}

Referenced by Cmd_ExecuteFile(), and Parse_File().

COM_DefaultExtension()

size_t COM_DefaultExtension	(	char *	path,
		const char *	ext,
		size_t	size
	)

Definition at line 279 of file shared.c.

{
    char    *src;
    size_t  len;
 
    if (*path) {
        len = strlen(path);
        src = path + len - 1;
 
        while (*src != '/' && src != path) {
            if (*src == '.')
                return len;                 // it has an extension
            src--;
        }
    }
 
    len = Q_strlcat(path, ext, size);
    return len;
}

Referenced by CL_PlaySound_f(), and R_RegisterImage().

COM_FileBase()

void COM_FileBase	(	char *	in,
		char *	out
	)

Definition at line 229 of file shared.c.

{
    char *s, *s2;
 
    s = in + strlen(in) - 1;
 
    while (s != in && *s != '.')
        s--;
 
    for (s2 = s; s2 != in && *s2 != '/'; s2--)
        ;
 
    if (s - s2 < 2)
        out[0] = 0;
    else {
        s--;
        strncpy(out, s2 + 1, s - s2);
        out[s - s2] = 0;
    }
}

COM_FileExtension()

char* COM_FileExtension

(

const char *

in

)

Definition at line 199 of file shared.c.

{
    const char *s;
    const char *last;
 
    if (!in) {
        Com_Error(ERR_FATAL, "%s: NULL", __func__);
    }
 
    s = in + strlen(in);
    last = s;
 
    while (s != in) {
        if (*s == '/') {
            break;
        }
        if (*s == '.') {
            return (char *)s;
        }
        s--;
    }
 
    return (char *)last;
}

Referenced by check_file_len(), Com_MapList_m(), FS_ListFiles(), and Sys_ListFiles_r().

COM_FilePath()

void COM_FilePath	(	const char *	in,
		char *	out,
		size_t	size
	)

Definition at line 257 of file shared.c.

{
    char *s;
 
    Q_strlcpy(out, in, size);
    s = strrchr(out, '/');
    if (s) {
        *s = 0;
    } else {
        *out = 0;
    }
}

COM_IsFloat()

qboolean COM_IsFloat

(

const char *

s

)

Definition at line 307 of file shared.c.

{
    int c, dot = '.';
 
    if (*s == '-') {
        s++;
    }
    if (!*s) {
        return qfalse;
    }
 
    do {
        c = *s++;
        if (c == dot) {
            dot = 0;
        } else if (!Q_isdigit(c)) {
            return qfalse;
        }
    } while (*s);
 
    return qtrue;
}

Referenced by Cmd_If_f(), and Cvar_Inc_f().

COM_IsPath()

qboolean COM_IsPath

(

const char *

s

)

Definition at line 348 of file shared.c.

{
    int c;
 
    if (!*s) {
        return qfalse;
    }
 
    do {
        c = *s++;
        if (!Q_ispath(c)) {
            return qfalse;
        }
    } while (*s);
 
    return qtrue;
}

Referenced by CL_ParsePlayerSkin(), fs_game_changed(), SV_Loadgame_f(), and SV_Savegame_f().

COM_IsUint()

qboolean COM_IsUint

(

const char *

s

)

Definition at line 330 of file shared.c.

{
    int c;
 
    if (!*s) {
        return qfalse;
    }
 
    do {
        c = *s++;
        if (!Q_isdigit(c)) {
            return qfalse;
        }
    } while (*s);
 
    return qtrue;
}

Referenced by AC_Info_f(), cl_chat_sound_changed(), Com_ParseColor(), gtv_set_conn(), MVD_SetChannel(), MVD_SetPlayer(), NET_StringPairToAdr(), SV_DelFilterCmd_f(), SV_DelMatch_f(), SV_GetPlayer(), and UI_StatusEvent().

COM_IsWhite()

qboolean COM_IsWhite

(

const char *

s

)

Definition at line 366 of file shared.c.

{
    int c;
 
    while (*s) {
        c = *s++;
        if (Q_isgraph(c)) {
            return qfalse;
        }
    }
 
    return qtrue;
}

Referenced by parse_userinfo(), SV_UpdateUserinfo(), and UI_StatusEvent().

COM_Parse()

char* COM_Parse

(

const char **

data_p

)

Definition at line 455 of file shared.c.

{
    int         c;
    int         len;
    const char  *data;
    char        *s = com_token[com_tokidx++ & 3];
 
    data = *data_p;
    len = 0;
    s[0] = 0;
 
    if (!data) {
        *data_p = NULL;
        return s;
    }
 
// skip whitespace
skipwhite:
    while ((c = *data) <= ' ') {
        if (c == 0) {
            *data_p = NULL;
            return s;
        }
        data++;
    }
 
// skip // comments
    if (c == '/' && data[1] == '/') {
        data += 2;
        while (*data && *data != '\n')
            data++;
        goto skipwhite;
    }
 
// skip /* */ comments
    if (c == '/' && data[1] == '*') {
        data += 2;
        while (*data) {
            if (data[0] == '*' && data[1] == '/') {
                data += 2;
                break;
            }
            data++;
        }
        goto skipwhite;
    }
 
// handle quoted strings specially
    if (c == '\"') {
        data++;
        while (1) {
            c = *data++;
            if (c == '\"' || !c) {
                goto finish;
            }
 
            if (len < MAX_TOKEN_CHARS - 1) {
                s[len++] = c;
            }
        }
    }
 
// parse a regular word
    do {
        if (len < MAX_TOKEN_CHARS - 1) {
            s[len++] = c;
        }
        data++;
        c = *data;
    } while (c > 32);
 
finish:
    s[len] = 0;
 
    *data_p = data;
    return s;
}

Referenced by CL_ParseStatusResponse(), ED_ParseEdict(), MVD_ParseEntityString(), SCR_ExecuteLayoutString(), SpawnEntities(), and TH_DrawLayoutString().

COM_SkipPath()

char* COM_SkipPath

(

const char *

pathname

)

Definition at line 152 of file shared.c.

{
    char    *last;
 
    if (!pathname) {
        Com_Error(ERR_FATAL, "%s: NULL", __func__);
    }
 
    last = (char *)pathname;
    while (*pathname) {
        if (*pathname == '/')
            last = (char *)pathname + 1;
        pathname++;
    }
    return last;
}

Referenced by CL_PlayDemo_f(), demo_play_next(), and FS_ListFiles().

COM_strclr()

size_t COM_strclr

(

char *

s

)

Definition at line 398 of file shared.c.

{
    char *p;
    int c;
    size_t len;
 
    p = s;
    len = 0;
    while (*s) {
        c = *s++;
        c &= 127;
        if (Q_isprint(c)) {
            *p++ = c;
            len++;
        }
    }
 
    *p = 0;
 
    return len;
}

Referenced by CL_CheckForIgnore(), CL_Name_g(), CL_ParseCenterPrint(), and CL_ParsePrint().

COM_StripExtension()

void COM_StripExtension	(	const char *	in,
		char *	out,
		size_t	size
	)

Definition at line 174 of file shared.c.

{
    char *s;
 
    Q_strlcpy(out, in, size);
 
    s = out + strlen(out);
 
    while (s != out) {
        if (*s == '/') {
            break;
        }
        if (*s == '.') {
            *s = 0;
            break;
        }
        s--;
    }
}

Referenced by IconOfSkinExists(), and PlayerModel_Load().

Info_NextPair()

void Info_NextPair	(	const char **	string,
		char *	key,
		char *	value
	)

Definition at line 1189 of file shared.c.

{
    char        *o;
    const char  *s;
 
    *value = *key = 0;
 
    s = *string;
    if (!s) {
        return;
    }
 
    if (*s == '\\')
        s++;
 
    if (!*s) {
        *string = NULL;
        return;
    }
 
    o = key;
    while (*s && *s != '\\') {
        *o++ = *s++;
    }
    *o = 0;
 
    if (!*s) {
        *string = NULL;
        return;
    }
 
    o = value;
    s++;
    while (*s && *s != '\\') {
        *o++ = *s++;
    }
    *o = 0;
 
    *string = s;
}

Referenced by Info_Print(), and UI_StatusEvent().

Info_Print()

void Info_Print

(

const char *

infostring

)

Definition at line 1235 of file shared.c.

{
    char    key[MAX_INFO_STRING];
    char    value[MAX_INFO_STRING];
 
    while (1) {
        Info_NextPair(&infostring, key, value);
        if (!infostring)
            break;
 
        if (!key[0])
            strcpy(key, "<MISSING KEY>");
 
        if (!value[0])
            strcpy(value, "<MISSING VALUE>");
 
        Com_Printf("%-20s %s\n", key, value);
    }
}

Referenced by CL_DumpStatusResponse(), CL_Userinfo_f(), SV_DumpUser_f(), SV_Serverinfo_f(), and SV_ShowServerInfo_f().

Info_RemoveKey()

void Info_RemoveKey	(	char *	s,
		const char *	key
	)

Definition at line 991 of file shared.c.

{
    char    *start;
    char    pkey[MAX_INFO_STRING];
    char    *o;
 
    while (1) {
        start = s;
        if (*s == '\\')
            s++;
        o = pkey;
        while (*s != '\\') {
            if (!*s)
                return;
            *o++ = *s++;
        }
        *o = 0;
        s++;
 
        while (*s != '\\' && *s) {
            s++;
        }
 
        if (!strcmp(key, pkey)) {
            o = start; // remove this part
            while (*s) {
                *o++ = *s++;
            }
            *o = 0;
            s = start;
            continue; // search for duplicates
        }
 
        if (!*s)
            return;
    }
 
}

Referenced by Com_TestInfo_f(), Info_SetValueForKey(), and parse_userinfo().

Info_SetValueForKey()

qboolean Info_SetValueForKey	(	char *	s,
		const char *	key,
		const char *	value
	)

Definition at line 1137 of file shared.c.

{
    char    newi[MAX_INFO_STRING], *v;
    size_t  l, kl, vl;
    int     c;
 
    // validate key
    kl = Info_SubValidate(key);
    if (kl >= MAX_QPATH) {
        return qfalse;
    }
 
    // validate value
    vl = Info_SubValidate(value);
    if (vl >= MAX_QPATH) {
        return qfalse;
    }
 
    Info_RemoveKey(s, key);
    if (!vl) {
        return qtrue;
    }
 
    l = strlen(s);
    if (l + kl + vl + 2 >= MAX_INFO_STRING) {
        return qfalse;
    }
 
    newi[0] = '\\';
    memcpy(newi + 1, key, kl);
    newi[kl + 1] = '\\';
    memcpy(newi + kl + 2, value, vl + 1);
 
    // only copy ascii values
    s += l;
    v = newi;
    while (*v) {
        c = *v++;
        c &= 127;        // strip high bits
        if (Q_isprint(c))
            *s++ = c;
    }
    *s = 0;
 
    return qtrue;
}

Referenced by ClientConnect(), Com_TestInfo_f(), parse_userinfo(), SV_ParseDeltaUserinfo(), and SV_UpdateUserinfo().

Info_SubValidate()

size_t Info_SubValidate

(

const char *

s

)

Definition at line 1112 of file shared.c.

{
    size_t len;
    int c;
 
    len = 0;
    while (*s) {
        c = *s++;
        c &= 127;       // strip high bits
        if (c == '\\' || c == '\"' || c == ';') {
            return SIZE_MAX;  // illegal characters
        }
        if (++len == MAX_QPATH) {
            return MAX_QPATH;  // oversize value
        }
    }
 
    return len;
}

Referenced by Info_SetValueForKey(), and validate_info_cvar().

Info_Validate()

qboolean Info_Validate

(

const char *

s

)

Definition at line 1040 of file shared.c.

{
    size_t len, total;
    int c;
 
    total = 0;
    while (1) {
        //
        // validate key
        //
        if (*s == '\\') {
            s++;
            if (++total == MAX_INFO_STRING) {
                return qfalse;    // oversize infostring
            }
        }
        if (!*s) {
            return qfalse;    // missing key
        }
        len = 0;
        while (*s != '\\') {
            c = *s++;
            if (!Q_isprint(c) || c == '\"' || c == ';') {
                return qfalse;    // illegal characters
            }
            if (++len == MAX_INFO_KEY) {
                return qfalse;    // oversize key
            }
            if (++total == MAX_INFO_STRING) {
                return qfalse;    // oversize infostring
            }
            if (!*s) {
                return qfalse;    // missing value
            }
        }
 
        //
        // validate value
        //
        s++;
        if (++total == MAX_INFO_STRING) {
            return qfalse;    // oversize infostring
        }
        if (!*s) {
            return qfalse;    // missing value
        }
        len = 0;
        while (*s != '\\') {
            c = *s++;
            if (!Q_isprint(c) || c == '\"' || c == ';') {
                return qfalse;    // illegal characters
            }
            if (++len == MAX_INFO_VALUE) {
                return qfalse;    // oversize value
            }
            if (++total == MAX_INFO_STRING) {
                return qfalse;    // oversize infostring
            }
            if (!*s) {
                return qtrue;    // end of string
            }
        }
    }
 
    return qfalse; // quiet compiler warning
}

Referenced by CL_ParseStatusResponse(), ClientUserinfoChanged(), Com_TestInfo_f(), parse_userinfo(), and SV_UpdateUserinfo().

Info_ValueForKey()

char* Info_ValueForKey	(	const char *	s,
		const char *	key
	)

Definition at line 945 of file shared.c.

{
    // use 4 buffers so compares work without stomping on each other
    static char value[4][MAX_INFO_STRING];
    static int  valueindex;
    char        pkey[MAX_INFO_STRING];
    char        *o;
 
    valueindex++;
    if (*s == '\\')
        s++;
    while (1) {
        o = pkey;
        while (*s != '\\') {
            if (!*s)
                goto fail;
            *o++ = *s++;
        }
        *o = 0;
        s++;
 
        o = value[valueindex & 3];
        while (*s != '\\' && *s) {
            *o++ = *s++;
        }
        *o = 0;
 
        if (!strcmp(key, pkey))
            return value[valueindex & 3];
 
        if (!*s)
            goto fail;
        s++;
    }
 
fail:
    o = value[valueindex & 3];
    *o = 0;
    return o;
}

Referenced by ClientConnect(), ClientTeam(), ClientUserinfoChanged(), ColorForStatus(), dummy_create(), IsFemale(), IsNeutral(), MVD_GameClientUserinfoChanged(), parse_userinfo(), PutClientInServer(), spectator_respawn(), SV_UpdateUserinfo(), SV_UserinfoChanged(), SVC_DirectConnect(), and UI_StatusEvent().

Q_concat()

size_t Q_concat	(	char *	dest,
		size_t	size,
			...
	)

Definition at line 758 of file shared.c.

{
    va_list argptr;
    const char *s;
    size_t len, total = 0;
 
    va_start(argptr, size);
    while ((s = va_arg(argptr, const char *)) != NULL) {
        len = strlen(s);
        if (total + len < size) {
            memcpy(dest, s, len);
            dest += len;
        }
        total += len;
    }
    va_end(argptr);
 
    if (size) {
        *dest = 0;
    }
 
    return total;
}

Referenced by bsp_mesh_register_textures(), BuildName(), check_player(), CL_AddPacketEntities(), CL_LoadClientinfo(), CL_RequestNextDownload(), Cmd_PrintHelp(), Cvar_BitInfo(), easy_open_read(), easy_open_write(), FS_LastModified(), FS_WhereIs_f(), GL_LoadWorld(), Keybind_Draw(), LoadCache(), LOC_LoadLocations(), MOD_LoadMD2_RTX(), open_file_read(), open_file_write(), override_entity_string(), parseMaterialsTable(), PlayerModel_Load(), Pop(), ProcessTexinfo(), Prompt_CompleteCommand(), q_printf(), R_BeginRegistration(), R_BeginRegistration_GL(), R_BeginRegistration_RTX(), R_RegisterImage(), R_SetSky(), R_SetSky_GL(), R_SetSky_RTX(), ReloadMedia(), S_RegisterSexedSound(), S_RegisterSound(), SCR_DrawInventory(), SV_LoadGameLibrary(), SV_ParseMapCmd(), SV_SpawnServer(), Sys_ListFiles_r(), V_Gun_Model_f(), vkpt_textures_prefetch(), and WriteCache().

Q_memccpy()

void* Q_memccpy	(	void *	dst,
		const void *	src,
		int	c,
		size_t	size
	)

Definition at line 895 of file shared.c.

{
    byte *d = dst;
    const byte *s = src;
 
    while (size--) {
        if ((*d++ = *s++) == c) {
            return d;
        }
    }
 
    return NULL;
}

Referenced by check_skins(), MOD_LoadMD2(), MOD_LoadMD2_GL(), MOD_LoadMD2_RTX(), and MOD_LoadSP2().

Q_scnprintf()

size_t Q_scnprintf	(	char *	dest,
		size_t	size,
		const char *	fmt,
			...
	)

Definition at line 867 of file shared.c.

{
    va_list argptr;
    size_t  ret;
 
    va_start(argptr, fmt);
    ret = Q_vscnprintf(dest, size, fmt, argptr);
    va_end(argptr);
 
    return ret;
}

Referenced by BuildList(), CL_Ammo_m(), CL_Armor_m(), CL_Cluster_m(), CL_ClusterThere_m(), CL_DemoPos_m(), CL_Fps_m(), CL_HdrColor_m(), CL_Health_m(), CL_Lag_m(), CL_Material_m(), CL_Material_Override_m(), CL_Mps_m(), CL_NumLightPolys_m(), CL_Ping_m(), CL_Pps_m(), CL_ResolutionScale_m(), CL_Timer_m(), CL_Ups_m(), CL_ViewDir_m(), CL_ViewPos_m(), CL_WeaponModel_m(), Com_FormatSize(), Com_FormatSizeLong(), Com_FormatTime(), Com_FormatTimeLong(), Com_Random_m(), Com_TestSnprintf_f(), draw_percent_bar(), format_demo_status(), GL_ViewCluster_m(), HUD_DrawNumber(), MVD_LayoutChannels(), MVD_LayoutFollow(), MVD_LayoutMenu(), NET_DnRate_m(), NET_UpRate_m(), R_Fps_m(), SVC_Info(), TH_DrawLayoutString(), TH_DrawNumber(), and VID_GetDefaultModeList().

Q_setenv()

void Q_setenv	(	const char *	name,
		const char *	value
	)

Definition at line 909 of file shared.c.

{
#ifdef _WIN32
    if (!value) {
        value = "";
    }
#if (_MSC_VER >= 1400)
    _putenv_s(name, value);
#else
    _putenv(va("%s=%s", name, value));
#endif
#else // _WIN32
    if (value) {
        setenv(name, value, 1);
    } else {
        unsetenv(name);
    }
#endif // !_WIN32
}

Q_snprintf()

size_t Q_snprintf	(	char *	dest,
		size_t	size,
		const char *	fmt,
			...
	)

Definition at line 846 of file shared.c.

{
    va_list argptr;
    size_t  ret;
 
    va_start(argptr, fmt);
    ret = Q_vsnprintf(dest, size, fmt, argptr);
    va_end(argptr);
 
    return ret;
}

Referenced by AC_LoadChecks(), AC_ParseViolation(), append_extra_userinfo(), bsp_mesh_create_from_bsp(), bsp_mesh_load_custom_sky(), CL_CheckForResend(), CL_IgnoreNick_f(), CL_InitLocal(), CL_MuzzleFlash(), CL_MuzzleFlash2(), CL_RegisterTEntSounds(), CL_UnIgnoreNick_f(), Cmd_PlayerList_f(), Cmd_Players_f(), Cmd_Say_f(), Com_Quit(), Com_TestSnprintf_f(), Con_DrawSolidConsole(), copy_file(), create_screenshot(), CreateTargetChangeLevel(), Cvar_ClampInteger(), Cvar_ClampValue(), Cvar_Inc_f(), Cvar_SetInteger(), Cvar_SetValue(), DeathmatchScoreboardMessage(), evaluate_reference_mode(), ExitLevel(), finish_download(), format_mask(), FS_Restart(), func_clock_format_countdown(), func_clock_think(), HelpComputer(), HTTP_QueueDownload(), HTTP_SetServer(), http_strerror(), inet_ntop4(), Key_Event(), load_sky_and_lava_clusters(), MVD_Connect_f(), MVD_GameInit(), MVD_LayoutChannels(), MVD_LayoutClients(), MVD_Play_f(), MVD_Say_f(), NET_AdrToString(), PlayDemo(), qvk_result_to_string(), read_level_file(), read_server_file(), remove_file(), scr_crosshair_changed(), SCR_DrawFPS(), SCR_DrawInventory(), SCR_ExecuteLayoutString(), SCR_PlayCinematic(), SCR_ScoreShot_f(), SkyLoadScatterParameters(), SP_target_speaker(), start_download(), SV_GetSaveInfo(), SV_ListMasters_f(), SV_StatusString(), SVCmd_WriteIP_f(), TCP_OpenSocket(), UDP_OpenSocket(), UI_Init(), UpdateStatus(), userinfo_ip_string(), VID_SetGeometry(), vtos(), write_level_file(), and write_server_file().

Q_strcasecmp()

int Q_strcasecmp	(	const char *	s1,
		const char *	s2
	)

Definition at line 666 of file shared.c.

{
    int        c1, c2;
 
    do {
        c1 = *s1++;
        c2 = *s2++;
 
        if (c1 != c2) {
            c1 = Q_tolower(c1);
            c2 = Q_tolower(c2);
            if (c1 < c2)
                return -1;
            if (c1 > c2)
                return 1;        /* strings not equal */
        }
    } while (c1);
 
    return 0;        /* strings are equal */
}

Referenced by CL_AddPacketEntities(), CL_InitLocal(), find_dup(), MAT_FindPBRMaterial(), and validateMaterialsTable().

Q_strcasestr()

char* Q_strcasestr	(	const char *	s1,
		const char *	s2
	)

Definition at line 687 of file shared.c.

{
    size_t l1, l2;
 
    l2 = strlen(s2);
    if (!l2) {
        return (char *)s1;
    }
 
    l1 = strlen(s1);
    while (l1 >= l2) {
        l1--;
        if (!Q_strncasecmp(s1, s2, l2)) {
            return (char *)s1;
        }
        s1++;
    }
 
    return NULL;
}

Q_strchrnul()

char* Q_strchrnul	(	const char *	s,
		int	c
	)

Definition at line 879 of file shared.c.

{
    while (*s && *s != c) {
        s++;
    }
    return (char *)s;
}

Referenced by AC_SimpleParse(), and CL_ParseStatusResponse().

Q_strlcat()

size_t Q_strlcat	(	char *	dst,
		const char *	src,
		size_t	size
	)

Definition at line 735 of file shared.c.

{
    size_t ret, len = strlen(dst);
 
    if (len >= size) {
        Com_Error(ERR_FATAL, "%s: already overflowed", __func__);
    }
 
    ret = Q_strlcpy(dst + len, src, size - len);
    ret += len;
 
    return ret;
}

Referenced by Cmd_Exec_f(), COM_DefaultExtension(), easy_open_read(), and IconOfSkinExists().

Q_strlcpy()

size_t Q_strlcpy	(	char *	dst,
		const char *	src,
		size_t	size
	)

Definition at line 715 of file shared.c.

{
    size_t ret = strlen(src);
 
    if (size) {
        size_t len = ret >= size ? size - 1 : ret;
        memcpy(dst, src, len);
        dst[len] = 0;
    }
 
    return ret;
}

Referenced by AC_ParseHash(), BuildName(), CL_Changing_f(), CL_CheckForIgnore(), CL_Connect_f(), CL_ConnectionlessPacket(), CL_FixUpGender(), CL_Mapname_m(), CL_Name_g(), CL_ParseStatusResponse(), CL_PlayDemo_f(), CL_RequestNextDownload(), CL_Server_m(), Cmd_ArgsBuffer(), Cmd_ArgvBuffer(), Cmd_PrintHelp(), Cmd_TokenizeString(), COM_FilePath(), Com_SetLastError(), COM_StripExtension(), Com_TestInfo_f(), create_channel(), demo_play_next(), dummy_create(), easy_open_read(), HTTP_SetServer(), IF_Replace(), LOC_Here_m(), LOC_There_m(), MOD_LoadMD2_RTX(), MVD_Connect_f(), MVD_Control_f(), MVD_GameInit(), MVD_ParseEntityString(), MVD_Play_f(), MVD_Spawn(), NET_StringToAdr(), parse_info_string(), parse_userinfo(), PlayerModel_Load(), Push(), Q_strlcat(), ReadLevel(), S_RegisterSound(), SCR_AddToChatHUD(), SCR_CenterPrint(), set_player_name(), SV_NextServer_f(), SV_SpawnServer(), SV_UserinfoChanged(), SVC_DirectConnect(), VID_GetDefaultModeList(), and vkpt_textures_prefetch().

Q_strncasecmp()

int Q_strncasecmp	(	const char *	s1,
		const char *	s2,
		size_t	n
	)

Definition at line 642 of file shared.c.

{
    int        c1, c2;
 
    do {
        c1 = *s1++;
        c2 = *s2++;
 
        if (!n--)
            return 0;        /* strings are equal until end point */
 
        if (c1 != c2) {
            c1 = Q_tolower(c1);
            c2 = Q_tolower(c2);
            if (c1 < c2)
                return -1;
            if (c1 > c2)
                return 1;        /* strings not equal */
        }
    } while (c1);
 
    return 0;        /* strings are equal */
}

Referenced by CL_Connect_f(), Prompt_AddMatch(), and Q_strcasestr().

Q_vscnprintf()

size_t Q_vscnprintf	(	char *	dest,
		size_t	size,
		const char *	fmt,
		va_list	argptr
	)

Definition at line 823 of file shared.c.

{
    size_t ret;
 
    if (!size)
        return 0;
 
    ret = Q_vsnprintf(dest, size, fmt, argptr);
    if (ret < size)
        return ret;
 
    return size - 1;
}

Referenced by Com_Error(), Com_LPrintf(), and Q_scnprintf().

Q_vsnprintf()

size_t Q_vsnprintf	(	char *	dest,
		size_t	size,
		const char *	fmt,
		va_list	argptr
	)

Definition at line 791 of file shared.c.

{
    int ret;
 
    if (size > INT_MAX)
        Com_Error(ERR_FATAL, "%s: bad buffer size", __func__);
 
#ifdef _WIN32
    if (size) {
        ret = _vsnprintf(dest, size - 1, fmt, argptr);
        if (ret < 0 || ret >= size - 1)
            dest[size - 1] = 0;
    } else {
        ret = _vscprintf(fmt, argptr);
    }
#else
    ret = vsnprintf(dest, size, fmt, argptr);
#endif
 
    // exploit the fact -1 becomes SIZE_MAX > size
    return (size_t)ret;
}

Referenced by AC_Announce(), Com_Error(), Com_LPrintf(), Con_Printf(), FS_FPrintf(), MVD_BroadcastPrintf(), MVD_Destroyf(), Netchan_OutOfBand(), PF_bprintf(), PF_centerprintf(), PF_cprintf(), PF_dprintf(), PF_error(), q_printf(), Q_snprintf(), Q_vscnprintf(), SV_BroadcastCommand(), SV_BroadcastPrintf(), SV_ClientCommand(), SV_ClientPrintf(), Sys_Error(), and va().

RadiusFromBounds()

vec_t RadiusFromBounds	(	const vec3_t	mins,
		const vec3_t	maxs
	)

Definition at line 127 of file shared.c.

{
    int     i;
    vec3_t  corner;
    vec_t   a, b;
 
    for (i = 0; i < 3; i++) {
        a = Q_fabs(mins[i]);
        b = Q_fabs(maxs[i]);
        corner[i] = a > b ? a : b;
    }
 
    return VectorLength(corner);
}

Referenced by LOAD(), MOD_LoadMD2_GL(), and MOD_LoadMD2_RTX().

SortStrcmp()

int SortStrcmp	(	const void *	p1,
		const void *	p2
	)

Definition at line 380 of file shared.c.

{
    return strcmp(*(const char **)p1, *(const char **)p2);
}

Referenced by Prompt_CompleteCommand(), and Prompt_ShowIndividualMatches().

SortStricmp()

int SortStricmp	(	const void *	p1,
		const void *	p2
	)

Definition at line 385 of file shared.c.

{
    return Q_stricmp(*(const char **)p1, *(const char **)p2);
}

Referenced by Prompt_CompleteCommand().

UnionBounds()

void UnionBounds	(	vec3_t	a[2],
		vec3_t	b[2],
		vec3_t	c[2]
	)

Definition at line 111 of file shared.c.

{
    c[0][0] = b[0][0] < a[0][0] ? b[0][0] : a[0][0];
    c[0][1] = b[0][1] < a[0][1] ? b[0][1] : a[0][1];
    c[0][2] = b[0][2] < a[0][2] ? b[0][2] : a[0][2];
 
    c[1][0] = b[1][0] > a[1][0] ? b[1][0] : a[1][0];
    c[1][1] = b[1][1] > a[1][1] ? b[1][1] : a[1][1];
    c[1][2] = b[1][2] > a[1][2] ? b[1][2] : a[1][2];
}

Referenced by cull_lerped_model().

va()

char* va	(	const char *	format,
			...
	)

Definition at line 429 of file shared.c.

{
    va_list         argptr;
    static char     buffers[2][0x2800];
    static int      index;
 
    index ^= 1;
 
    va_start(argptr, format);
    Q_vsnprintf(buffers[index], sizeof(buffers[0]), format, argptr);
    va_end(argptr);
 
    return buffers[index];
}

Referenced by Activate(), CheckNeedPass(), CL_Begin(), CL_FollowIP_f(), CL_InitDemos(), CL_InitLocal(), CL_PingServers_f(), CL_PlayDemo_f(), CL_Seek_f(), ClientUserinfoChanged(), Cmd_Option_c(), Com_Address_g(), Com_Error(), Con_Say(), Connect(), Expose(), InitGame(), InitialiseSkyCVars(), insane_die(), insane_pain(), list_save_dir(), MVD_ChangeLevel(), MVD_GameInit(), MVD_GameRunFrame(), MVD_SwitchChannel(), NET_OpenServer(), Netchan_Init(), P_DamageFeedback(), Parse_Bitmap(), ParseAddressBook(), player_die(), Pop(), Q_setenv(), QAL_Init(), R_BeginRegistration_RTX(), R_InterceptKey_RTX(), redirect(), Savegame_Push(), SCR_FinishCinematic(), SCR_PlayCinematic(), SCR_ReadNextFrame(), SCR_StopCinematic(), SP_worldspawn(), SpawnEntities(), start_udp_download(), SV_GetSaveInfo(), SV_Init(), SV_Loadgame_f(), SV_ParseMapCmd(), Sys_GetProcAddress(), Sys_LoadLibrary(), UI_Draw(), UI_ErrorEvent(), UI_StatusEvent(), vkpt_freecam_reset(), vkpt_freecam_update(), and vkpt_next_sun_preset().

VectorNormalize()

vec_t VectorNormalize

(

vec3_t

v

)

Definition at line 55 of file shared.c.

{
    float    length, ilength;
 
    length = v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
    length = sqrtf(length);         // FIXME
 
    if (length) {
        ilength = 1 / length;
        v[0] *= ilength;
        v[1] *= ilength;
        v[2] *= ilength;
    }
 
    return length;
 
}

Referenced by actorMachineGun(), AL_AddLoopSounds(), bfg_think(), boss2_firebullet_left(), boss2_firebullet_right(), Boss2Rocket(), CheckPowerArmor(), ChickRocket(), CL_AddBeams(), CL_AddPlayerBeams(), CL_BlasterTrail(), CL_BlasterTrail2(), CL_BubbleTrail(), CL_BubbleTrail2(), CL_DebugTrail(), CL_DiminishingTrail(), CL_FlagTrail(), CL_ForceWall(), CL_Heatbeam(), CL_IonripperTrail(), CL_MonsterPlasma_Shell(), CL_Nukeblast(), CL_OldRailTrail(), CL_ParticleEffect(), CL_ParticleEffectWaterSplash(), CL_QuadTrail(), CL_RailLights(), CL_RailSpiral(), CL_RocketTrail(), CL_SmokeTrail(), CL_TagTrail(), CL_TeleportParticles(), CL_Tracker_Explode(), CL_Tracker_Shell(), CL_TrackerTrail(), CL_TrapParticles(), CL_Widowbeamout(), CL_WidowSplash(), collect_ligth_polys(), compute_world_tangents(), fire_blaster(), fire_hit(), fire_lead(), func_explosive_explode(), get_triangle_off_center(), GladiatorGun(), GunnerFire(), InfantryMachineGun(), infront(), jorg_firebullet_left(), jorg_firebullet_right(), jorgBFG(), light_affects_cluster(), makronBFG(), MakronRailgun(), MakronSpawn(), MOD_LoadMD2_RTX(), Move_Calc(), mutant_jump_touch(), P_DamageFeedback(), PM_AirMove(), PM_CheckSpecialMovement(), PM_DeadMove(), PM_FlyMove(), PM_WaterMove(), prepare_camera(), R_DrawBeam(), R_IMFlatShadedQuad(), R_ViewChanged(), soldier_fire(), supertankMachineGun(), supertankRocket(), T_Damage(), TankRocket(), target_laser_think(), UpdateChaseCam(), vkpt_build_beam_lights(), vkpt_build_cylinder_light(), vkpt_normalize_normal_map(), vkpt_physical_sky_update_ubo(), vkpt_shadow_map_setup(), write_beam_geometry(), write_particle_geometry(), and write_sprite_geometry().

VectorNormalize2()

vec_t VectorNormalize2	(	vec3_t	v,
		vec3_t	out
	)

Definition at line 73 of file shared.c.

{
    float    length, ilength;
 
    length = v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
    length = sqrtf(length);         // FIXME
 
    if (length) {
        ilength = 1 / length;
        out[0] = v[0] * ilength;
        out[1] = v[1] * ilength;
        out[2] = v[2] * ilength;
    }
 
    return length;
 
}

Referenced by compute_world_tangents(), computeTangents(), create_look_at_matrix(), R_SetSky_GL(), and R_SetSky_RTX().

Variable Documentation

com_token

char com_token[4][MAX_TOKEN_CHARS]

static

Definition at line 444 of file shared.c.

Referenced by COM_Parse(), and SpawnEntities().

com_tokidx

int com_tokidx

static

Definition at line 445 of file shared.c.

Referenced by COM_Parse().

vec3_origin

vec3_t vec3_origin = { 0, 0, 0 }

Definition at line 21 of file shared.c.

Referenced by AngleMove_Final(), bfg_explode(), bfg_think(), blaster_touch(), CanDamage(), CL_AddPlayerBeams(), CL_WidowSplash(), Cmd_Kill_f(), CopyToBodyQue(), D_DrawSurfaces(), door_blocked(), door_secret_blocked(), door_secret_move6(), door_secret_use(), fire_hit(), flare_sparks(), floater_zap(), func_explosive_use(), func_object_touch(), Grenade_Explode(), hurt_touch(), InitTrigger(), KillBox(), LOC_FindClosest(), LOC_There_m(), M_CheckBottom(), M_WorldEffects(), MakronSpawn(), MVD_HitPlayer(), P_FallingDamage(), P_WorldEffects(), parasite_drain_attack(), plat_blocked(), PM_FlyMove(), PM_StepSlideMove_(), R_DrawEntities(), rotating_blocked(), rotating_touch(), rotating_use(), SP_trigger_multiple(), SV_FlyMove(), SV_Physics_Toss(), SV_Push(), SV_Trace(), T_RadiusDamage(), target_laser_think(), Touch_Multi(), train_blocked(), turret_blocked(), UpdateChaseCam(), use_target_changelevel(), visible(), and Weapon_Blaster_Fire().