mirror of
https://github.com/nzp-team/fteqw.git
synced 2024-11-22 12:01:25 +00:00
f8af9b18eb
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@6303 fc73d0e0-1445-4013-8a0c-d673dee63da5
1351 lines
26 KiB
C
1351 lines
26 KiB
C
// cmdlib.c
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#include "qcc.h"
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#include <ctype.h>
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//#include <sys/time.h>
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#undef progfuncs
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#define PATHSEPERATOR '/'
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#ifndef QCC
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extern jmp_buf qcccompileerror;
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#endif
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// set these before calling CheckParm
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int myargc;
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const char **myargv;
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char qcc_token[1024];
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int qcc_eof;
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const unsigned int type_size[] = {1, //void
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sizeof(string_t)/4, //string
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1, //float
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3, //vector
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1, //entity
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1, //field
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sizeof(func_t)/4,//function
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1, //pointer (its an int index)
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1, //integer
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1, //uint
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2, //long
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2, //ulong
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2, //double
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3, //fixme: how big should a variant be?
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0, //ev_struct. variable sized.
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0, //ev_union. variable sized.
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0, //ev_accessor...
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0, //ev_enum...
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0, //ev_typedef
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1, //ev_bool...
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};
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char *basictypenames[] = {
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"void",
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"string",
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"float",
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"vector",
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"entity",
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"field",
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"function",
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"pointer",
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"integer",
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"uint",
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"long",
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"ulong",
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"double",
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"variant",
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"struct",
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"union",
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"accessor",
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"enum",
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"bool"
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};
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/*
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============================================================================
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BYTE ORDER FUNCTIONS
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============================================================================
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*/
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short (*PRBigShort) (short l);
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short (*PRLittleShort) (short l);
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int (*PRBigLong) (int l);
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int (*PRLittleLong) (int l);
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float (*PRBigFloat) (float l);
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float (*PRLittleFloat) (float l);
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static short QCC_SwapShort (short l)
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{
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pbyte b1,b2;
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b1 = l&255;
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b2 = (l>>8)&255;
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return (b1<<8) + b2;
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}
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static short QCC_Short (short l)
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{
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return l;
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}
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static int QCC_SwapLong (int l)
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{
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pbyte b1,b2,b3,b4;
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b1 = (pbyte)l;
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b2 = (pbyte)(l>>8);
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b3 = (pbyte)(l>>16);
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b4 = (pbyte)(l>>24);
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return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
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}
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static int QCC_Long (int l)
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{
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return l;
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}
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static float QCC_SwapFloat (float l)
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{
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union {pbyte b[4]; float f;} in, out;
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in.f = l;
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out.b[0] = in.b[3];
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out.b[1] = in.b[2];
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out.b[2] = in.b[1];
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out.b[3] = in.b[0];
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return out.f;
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}
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static float QCC_Float (float l)
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{
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return l;
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}
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void SetEndian(void)
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{
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union {pbyte b[2]; unsigned short s;} ed;
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ed.s = 255;
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if (ed.b[0] == 255)
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{
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PRBigShort = QCC_SwapShort;
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PRLittleShort = QCC_Short;
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PRBigLong = QCC_SwapLong;
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PRLittleLong = QCC_Long;
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PRBigFloat = QCC_SwapFloat;
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PRLittleFloat = QCC_Float;
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}
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else
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{
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PRBigShort = QCC_Short;
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PRLittleShort = QCC_SwapShort;
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PRBigLong = QCC_Long;
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PRLittleLong = QCC_SwapLong;
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PRBigFloat = QCC_Float;
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PRLittleFloat = QCC_SwapFloat;
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}
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}
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pbool QC_strlcat(char *dest, const char *src, size_t destsize)
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{
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size_t curlen = strlen(dest);
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if (!destsize)
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return false; //err
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dest += curlen;
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while(*src && ++curlen < destsize)
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*dest++ = *src++;
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*dest = 0;
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return !*src;
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}
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pbool QC_strlcpy(char *dest, const char *src, size_t destsize)
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{
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size_t curlen = 0;
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if (!destsize)
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return false; //err
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while(*src && ++curlen < destsize)
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*dest++ = *src++;
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*dest = 0;
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return !*src;
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}
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pbool QC_strnlcpy(char *dest, const char *src, size_t srclen, size_t destsize)
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{
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size_t curlen = 0;
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if (!destsize)
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return false; //err
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for(; *src && srclen > 0 && ++curlen < destsize; srclen--)
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*dest++ = *src++;
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*dest = 0;
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return !srclen;
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}
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char *QC_strcasestr(const char *haystack, const char *needle)
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{
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int i;
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int matchamt=0;
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for(i=0;haystack[i];i++)
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{
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if (tolower(haystack[i]) != tolower(needle[matchamt]))
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matchamt = 0;
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if (tolower(haystack[i]) == tolower(needle[matchamt]))
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{
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matchamt++;
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if (needle[matchamt]==0)
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return (char *)&haystack[i-(matchamt-1)];
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}
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}
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return 0;
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}
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#if !defined(MINIMAL) && !defined(OMIT_QCC)
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/*
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================
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I_FloatTime
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================
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*/
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/*
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double I_FloatTime (void)
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{
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struct timeval tp;
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struct timezone tzp;
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static int secbase;
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gettimeofday(&tp, &tzp);
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if (!secbase)
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{
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secbase = tp.tv_sec;
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return tp.tv_usec/1000000.0;
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}
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return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0;
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}
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*/
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#ifdef QCC
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int QC_strncasecmp (const char *s1, const char *s2, int n)
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{
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int c1, c2;
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while (1)
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{
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c1 = *s1++;
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c2 = *s2++;
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if (!n--)
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return 0; // strings are equal until end point
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if (c1 != c2)
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{
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if (c1 >= 'a' && c1 <= 'z')
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c1 -= ('a' - 'A');
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if (c2 >= 'a' && c2 <= 'z')
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c2 -= ('a' - 'A');
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if (c1 != c2)
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return -1; // strings not equal
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}
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if (!c1)
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return 0; // strings are equal
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// s1++;
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// s2++;
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}
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return -1;
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}
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int QC_strcasecmp (const char *s1, const char *s2)
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{
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return QC_strncasecmp(s1, s2, 0x7fffffff);
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}
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#else
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int QC_strncasecmp(const char *s1, const char *s2, int n);
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int QC_strcasecmp (const char *s1, const char *s2)
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{
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return QC_strncasecmp(s1, s2, 0x7fffffff);
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}
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#endif
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#endif //minimal
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/*
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==============
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COM_Parse
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Parse a token out of a string
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==============
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*/
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char *QCC_COM_Parse (const char *data)
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{
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int c;
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int len;
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len = 0;
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qcc_token[0] = 0;
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if (!data)
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return NULL;
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// skip whitespace
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skipwhite:
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while ((c = *data) && qcc_iswhite(c))
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data++;
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if (!c)
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return NULL;
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// skip // comments
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if (c=='/' && data[1] == '/')
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{
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while (*data && *data != '\n')
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data++;
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goto skipwhite;
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}
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// skip /* comments
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if (c=='/' && data[1] == '*')
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{
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while (data[1] && (data[0] != '*' || data[1] != '/'))
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data++;
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data+=2;
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goto skipwhite;
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}
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// handle quoted strings specially
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if (c == '\"')
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{
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data++;
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do
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{
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c = *data++;
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if (c=='\\' && *data == '\"')
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c = *data++; //allow C-style string escapes
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else if (c=='\\' && *data == '\\')
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c = *data++; // \ is now a special character so it needs to be marked up using itself
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else if (c=='\\' && *data == 'n')
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{ // and do new lines while we're at it.
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c = '\n';
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data++;
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}
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else if (c=='\\' && *data == 'r')
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{ // and do mac lines while we're at it.
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c = '\r';
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data++;
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}
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else if (c=='\\' && *data == 't')
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{ // and do tabs while we're at it.
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c = '\t';
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data++;
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}
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else if (c=='\"')
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{
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qcc_token[len] = 0;
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return (char*)data;
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}
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else if (c=='\0')
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{
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// printf("ERROR: Unterminated string\n");
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qcc_token[len] = 0;
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return (char*)data;
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}
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else if (c=='\n' || c=='\r')
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{ //new lines are awkward.
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//vanilla saved games do not add \ns on load
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//terminating the string on a new line thus has compatbility issues.
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//while "wad" "c:\foo\" does happen in the TF community (fucked tools)
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//so \r\n terminates the string if the last char was an escaped quote, but not otherwise.
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if (len > 0 && qcc_token[len-1] == '\"')
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{
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// printf("ERROR: new line in string\n");
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qcc_token[len] = 0;
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return (char*)data;
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}
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}
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if (len >= sizeof(qcc_token)-1)
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;
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else
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qcc_token[len] = c;
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len++;
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} while (1);
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}
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// parse single characters
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if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':' || c==',')
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{
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qcc_token[len] = c;
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len++;
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qcc_token[len] = 0;
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return (char*)data+1;
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}
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// parse a regular word
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do
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{
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if (len >= sizeof(qcc_token)-1)
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;
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else
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qcc_token[len++] = c;
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data++;
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c = *data;
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if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':' || c=='\"' || c==',')
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break;
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} while (c && !qcc_iswhite(c));
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qcc_token[len] = 0;
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return (char*)data;
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}
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//more C tokens...
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char *QCC_COM_Parse2 (char *data)
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{
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int c;
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int len;
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len = 0;
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qcc_token[0] = 0;
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if (!data)
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return NULL;
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// skip whitespace
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skipwhite:
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while ((c = *data) && qcc_iswhite(c))
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data++;
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if (!c)
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return NULL;
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// skip // comments
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if (c=='/' && data[1] == '/')
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{
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while (*data && *data != '\n')
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data++;
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goto skipwhite;
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}
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// handle quoted strings specially
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if (c == '\"')
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{
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data++;
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do
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{
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c = *data++;
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if (c=='\\' && *data == '\"')
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c = *data++; //allow C-style string escapes
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else if (c=='\\' && *data == '\\')
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c = *data++; // \ is now a special character so it needs to be marked up using itself
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else if (c=='\\' && *data == 'n')
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{ // and do new lines while we're at it.
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c = '\n';
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data++;
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}
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else if (c=='\"'||c=='\0')
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{
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if (len < sizeof(qcc_token)-1)
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qcc_token[len++] = 0;
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break;
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}
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if (len >= sizeof(qcc_token)-1)
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;
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else
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qcc_token[len++] = c;
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} while (1);
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}
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// parse numbers
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if (c >= '0' && c <= '9')
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{
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if (c == '0' && data[1] == 'x')
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{ //parse hex
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qcc_token[0] = '0';
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c='x';
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len=1;
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data++;
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for(;;)
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{ //parse regular number
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if (len >= sizeof(qcc_token)-1)
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;
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else
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qcc_token[len++] = c;
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data++;
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c = *data;
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if ((c<'0'|| c>'9') && (c<'a'||c>'f') && (c<'A'||c>'F') && c != '.')
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break;
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}
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}
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else
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{
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for(;;)
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{ //parse regular number
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if (len >= sizeof(qcc_token)-1)
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;
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else
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qcc_token[len++] = c;
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data++;
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c = *data;
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if ((c<'0'|| c>'9') && c != '.')
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break;
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}
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}
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qcc_token[len] = 0;
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return data;
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}
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// parse words
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else if ((c>= 'a' && c <= 'z') || (c>= 'A' && c <= 'Z') || c == '_')
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{
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do
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{
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if (len >= sizeof(qcc_token)-1)
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;
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else
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qcc_token[len++] = c;
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data++;
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c = *data;
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} while ((c>= 'a' && c <= 'z') || (c>= 'A' && c <= 'Z') || (c>= '0' && c <= '9') || c == '_');
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qcc_token[len] = 0;
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return data;
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}
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else
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{
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qcc_token[len] = c;
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len++;
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qcc_token[len] = 0;
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return data+1;
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}
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}
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char *VARGS qcva (char *text, ...)
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{
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va_list argptr;
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static char msg[2048];
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va_start (argptr,text);
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QC_vsnprintf (msg,sizeof(msg)-1, text,argptr);
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va_end (argptr);
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return msg;
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}
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#if !defined(MINIMAL) && !defined(OMIT_QCC)
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/*
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=============================================================================
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MISC FUNCTIONS
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=============================================================================
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*/
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|
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/*
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=================
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Error
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For abnormal program terminations
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=================
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*/
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void VARGS QCC_Error (int errortype, const char *error, ...)
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{
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progfuncs_t *progfuncs = qccprogfuncs;
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extern int numsourcefiles;
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va_list argptr;
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char msg[2048];
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va_start (argptr,error);
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QC_vsnprintf (msg,sizeof(msg)-1, error,argptr);
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va_end (argptr);
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externs->Printf ("\n************ ERROR ************\n%s\n", msg);
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editbadfile(s_filen, pr_source_line);
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numsourcefiles = 0;
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#ifndef QCC
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|
longjmp(qcccompileerror, 1);
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#else
|
|
print ("Press any key\n");
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getch();
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|
#endif
|
|
exit (1);
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|
}
|
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|
|
|
|
/*
|
|
=================
|
|
CheckParm
|
|
|
|
Checks for the given parameter in the program's command line arguments
|
|
Returns the argument number (1 to argc-1) or 0 if not present
|
|
=================
|
|
*/
|
|
int QCC_CheckParm (const char *check)
|
|
{
|
|
int i;
|
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|
|
for (i = 1;i<myargc;i++)
|
|
{
|
|
if ( !QC_strcasecmp(check, myargv[i]) )
|
|
return i;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const char *QCC_ReadParm (const char *check)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1;i+1<myargc;i++)
|
|
{
|
|
if ( !QC_strcasecmp(check, myargv[i]) )
|
|
return myargv[i+1];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
|
|
|
|
#ifndef O_BINARY
|
|
#define O_BINARY 0
|
|
#endif
|
|
|
|
#ifdef QCC
|
|
int SafeOpenWrite (char *filename)
|
|
{
|
|
int handle;
|
|
|
|
umask (0);
|
|
|
|
handle = open(filename,O_WRONLY | O_CREAT | O_TRUNC | O_BINARY
|
|
, 0666);
|
|
|
|
if (handle == -1)
|
|
QCC_Error ("Error opening %s: %s",filename,strerror(errno));
|
|
|
|
return handle;
|
|
}
|
|
#endif
|
|
|
|
int SafeOpenRead (char *filename)
|
|
{
|
|
int handle;
|
|
|
|
handle = open(filename,O_RDONLY | O_BINARY);
|
|
|
|
if (handle == -1)
|
|
QCC_Error ("Error opening %s: %s",filename,strerror(errno));
|
|
|
|
return handle;
|
|
}
|
|
|
|
|
|
void SafeRead (int handle, void *buffer, long count)
|
|
{
|
|
if (read (handle,buffer,count) != count)
|
|
QCC_Error ("File read failure");
|
|
}
|
|
|
|
#ifdef QCC
|
|
void SafeWrite (int handle, void *buffer, long count)
|
|
{
|
|
if (write (handle,buffer,count) != count)
|
|
QCC_Error ("File write failure");
|
|
}
|
|
#endif
|
|
|
|
|
|
void *SafeMalloc (long size)
|
|
{
|
|
void *ptr;
|
|
|
|
ptr = (void *)Hunk_Alloc (size);
|
|
|
|
if (!ptr)
|
|
QCC_Error ("Malloc failure for %lu bytes",size);
|
|
|
|
return ptr;
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
void DefaultExtension (char *path, 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 DefaultPath (char *path, char *basepath)
|
|
{
|
|
char temp[128];
|
|
|
|
if (path[0] == PATHSEPERATOR)
|
|
return; // absolute path location
|
|
strcpy (temp,path);
|
|
strcpy (path,basepath);
|
|
strcat (path,temp);
|
|
}
|
|
|
|
|
|
void StripFilename (char *path)
|
|
{
|
|
int length;
|
|
|
|
length = strlen(path)-1;
|
|
while (length > 0 && path[length] != PATHSEPERATOR)
|
|
length--;
|
|
path[length] = 0;
|
|
}
|
|
|
|
/*
|
|
====================
|
|
Extract file parts
|
|
====================
|
|
*/
|
|
void ExtractFilePath (char *path, char *dest)
|
|
{
|
|
char *src;
|
|
|
|
src = path + strlen(path) - 1;
|
|
|
|
//
|
|
// back up until a \ or the start
|
|
//
|
|
while (src != path && *(src-1) != PATHSEPERATOR)
|
|
src--;
|
|
|
|
memcpy (dest, path, src-path);
|
|
dest[src-path] = 0;
|
|
}
|
|
|
|
void ExtractFileBase (char *path, char *dest)
|
|
{
|
|
char *src;
|
|
|
|
src = path + strlen(path) - 1;
|
|
|
|
//
|
|
// back up until a \ or the start
|
|
//
|
|
while (src != path && *(src-1) != PATHSEPERATOR)
|
|
src--;
|
|
|
|
while (*src && *src != '.')
|
|
{
|
|
*dest++ = *src++;
|
|
}
|
|
*dest = 0;
|
|
}
|
|
|
|
void ExtractFileExtension (char *path, char *dest)
|
|
{
|
|
char *src;
|
|
|
|
src = path + strlen(path) - 1;
|
|
|
|
//
|
|
// back up until a . or the start
|
|
//
|
|
while (src != path && *(src-1) != '.')
|
|
src--;
|
|
if (src == path)
|
|
{
|
|
*dest = 0; // no extension
|
|
return;
|
|
}
|
|
|
|
strcpy (dest,src);
|
|
}
|
|
|
|
|
|
/*
|
|
==============
|
|
ParseNum / ParseHex
|
|
==============
|
|
*/
|
|
static long ParseHex (char *hex)
|
|
{
|
|
char *str;
|
|
long num;
|
|
|
|
num = 0;
|
|
str = hex;
|
|
|
|
while (*str)
|
|
{
|
|
num <<= 4;
|
|
if (*str >= '0' && *str <= '9')
|
|
num += *str-'0';
|
|
else if (*str >= 'a' && *str <= 'f')
|
|
num += 10 + *str-'a';
|
|
else if (*str >= 'A' && *str <= 'F')
|
|
num += 10 + *str-'A';
|
|
else
|
|
QCC_Error (ERR_BADHEX, "Bad hex number: %s",hex);
|
|
str++;
|
|
}
|
|
|
|
return num;
|
|
}
|
|
|
|
|
|
long ParseNum (char *str)
|
|
{
|
|
if (str[0] == '$')
|
|
return ParseHex (str+1);
|
|
if (str[0] == '0' && str[1] == 'x')
|
|
return ParseHex (str+2);
|
|
return atol (str);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//buffer size and max size are different. buffer is bigger.
|
|
|
|
#define MAXQCCFILES 3
|
|
struct {
|
|
char *name;
|
|
FILE *stdio;
|
|
char *buff;
|
|
int buffsize;
|
|
int ofs;
|
|
int maxofs;
|
|
} qccfile[MAXQCCFILES];
|
|
int SafeOpenWrite (char *filename, int maxsize)
|
|
{
|
|
int i;
|
|
for (i = 0; i < MAXQCCFILES; i++)
|
|
{
|
|
if (!qccfile[i].stdio && !qccfile[i].buff)
|
|
{
|
|
qccfile[i].name = strdup(filename);
|
|
qccfile[i].buffsize = maxsize;
|
|
qccfile[i].maxofs = 0;
|
|
qccfile[i].ofs = 0;
|
|
qccfile[i].stdio = NULL;
|
|
qccfile[i].buff = NULL;
|
|
if (maxsize < 0)
|
|
qccfile[i].stdio = fopen(filename, "wb");
|
|
else
|
|
qccfile[i].buff = malloc(qccfile[i].buffsize);
|
|
if (!qccfile[i].stdio && !qccfile[i].buff)
|
|
{
|
|
QCC_Error(ERR_TOOMANYOPENFILES, "Unable to open %s", filename);
|
|
return -1;
|
|
}
|
|
return i;
|
|
}
|
|
}
|
|
QCC_Error(ERR_TOOMANYOPENFILES, "Too many open files on file %s", filename);
|
|
return -1;
|
|
}
|
|
|
|
static void ResizeBuf(int hand, int newsize)
|
|
{
|
|
char *nb;
|
|
|
|
if (qccfile[hand].buffsize >= newsize)
|
|
return; //already big enough
|
|
nb = malloc(newsize);
|
|
|
|
memcpy(nb, qccfile[hand].buff, qccfile[hand].maxofs);
|
|
free(qccfile[hand].buff);
|
|
qccfile[hand].buff = nb;
|
|
qccfile[hand].buffsize = newsize;
|
|
}
|
|
void SafeWrite(int hand, const void *buf, long count)
|
|
{
|
|
if (qccfile[hand].stdio)
|
|
{
|
|
fwrite(buf, 1, count, qccfile[hand].stdio);
|
|
}
|
|
else
|
|
{
|
|
if (qccfile[hand].ofs +count >= qccfile[hand].buffsize)
|
|
ResizeBuf(hand, qccfile[hand].ofs + count+(64*1024));
|
|
|
|
memcpy(&qccfile[hand].buff[qccfile[hand].ofs], buf, count);
|
|
}
|
|
qccfile[hand].ofs+=count;
|
|
if (qccfile[hand].ofs > qccfile[hand].maxofs)
|
|
qccfile[hand].maxofs = qccfile[hand].ofs;
|
|
}
|
|
int SafeSeek(int hand, int ofs, int mode)
|
|
{
|
|
if (mode == SEEK_CUR)
|
|
return qccfile[hand].ofs;
|
|
else
|
|
{
|
|
if (qccfile[hand].stdio)
|
|
fseek(qccfile[hand].stdio, ofs, SEEK_SET);
|
|
else
|
|
ResizeBuf(hand, ofs+1024);
|
|
qccfile[hand].ofs = ofs;
|
|
if (qccfile[hand].ofs > qccfile[hand].maxofs)
|
|
qccfile[hand].maxofs = qccfile[hand].ofs;
|
|
return 0;
|
|
}
|
|
}
|
|
pbool SafeClose(int hand)
|
|
{
|
|
progfuncs_t *progfuncs = qccprogfuncs;
|
|
pbool ret;
|
|
if (qccfile[hand].stdio)
|
|
ret = 0==fclose(qccfile[hand].stdio);
|
|
else
|
|
{
|
|
ret = externs->WriteFile(qccfile[hand].name, qccfile[hand].buff, qccfile[hand].maxofs);
|
|
free(qccfile[hand].buff);
|
|
}
|
|
free(qccfile[hand].name);
|
|
qccfile[hand].name = NULL;
|
|
qccfile[hand].buff = NULL;
|
|
qccfile[hand].stdio = NULL;
|
|
return ret;
|
|
}
|
|
|
|
qcc_cachedsourcefile_t *qcc_sourcefile;
|
|
|
|
//return 0 if the input is not valid utf-8.
|
|
unsigned int utf8_check(const void *in, unsigned int *value)
|
|
{
|
|
//uc is the output unicode char
|
|
unsigned int uc = 0xfffdu; //replacement character
|
|
const unsigned char *str = in;
|
|
|
|
if (!(*str & 0x80))
|
|
{
|
|
*value = *str;
|
|
return 1;
|
|
}
|
|
else if ((*str & 0xe0) == 0xc0)
|
|
{
|
|
if ((str[1] & 0xc0) == 0x80)
|
|
{
|
|
*value = uc = ((str[0] & 0x1f)<<6) | (str[1] & 0x3f);
|
|
if (!uc || uc >= (1u<<7)) //allow modified utf-8 (only for nulls)
|
|
return 2;
|
|
}
|
|
}
|
|
else if ((*str & 0xf0) == 0xe0)
|
|
{
|
|
if ((str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80)
|
|
{
|
|
*value = uc = ((str[0] & 0x0f)<<12) | ((str[1] & 0x3f)<<6) | ((str[2] & 0x3f)<<0);
|
|
if (uc >= (1u<<11))
|
|
return 3;
|
|
}
|
|
}
|
|
else if ((*str & 0xf8) == 0xf0)
|
|
{
|
|
if ((str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80 && (str[3] & 0xc0) == 0x80)
|
|
{
|
|
*value = uc = ((str[0] & 0x07)<<18) | ((str[1] & 0x3f)<<12) | ((str[2] & 0x3f)<<6) | ((str[3] & 0x3f)<<0);
|
|
if (uc >= (1u<<16)) //overlong
|
|
if (uc <= 0x10ffff) //aand we're not allowed to exceed utf-16 surrogates.
|
|
return 4;
|
|
}
|
|
}
|
|
*value = 0xFFFD;
|
|
return 0;
|
|
}
|
|
|
|
//read utf-16 chars and output the 'native' utf-8.
|
|
//we don't expect essays written in code, so we don't need much actual support for utf-8.
|
|
static char *decodeUTF(int type, unsigned char *inputf, size_t inbytes, size_t *outlen, pbool usemalloc)
|
|
{
|
|
char *utf8, *start;
|
|
unsigned int inc;
|
|
unsigned int chars, i;
|
|
int w, maxperchar;
|
|
switch(type)
|
|
{
|
|
case UTF16LE:
|
|
w = 2;
|
|
maxperchar = 4;
|
|
break;
|
|
case UTF16BE:
|
|
w = 2;
|
|
maxperchar = 4;
|
|
break;
|
|
case UTF32LE:
|
|
w = 4;
|
|
maxperchar = 4; //we adhere to RFC3629 and clamp to U+10FFFF, which is only 4 bytes.
|
|
break;
|
|
case UTF32BE:
|
|
w = 4;
|
|
maxperchar = 4;
|
|
break;
|
|
default:
|
|
//error
|
|
*outlen = 0;
|
|
return NULL;
|
|
}
|
|
chars = inbytes / w;
|
|
if (usemalloc)
|
|
utf8 = start = malloc(chars * maxperchar + 2+1);
|
|
else
|
|
utf8 = start = qccHunkAlloc(chars * maxperchar + 2+1);
|
|
for (i = 0; i < chars; i++)
|
|
{
|
|
switch(type)
|
|
{
|
|
default:
|
|
inc = 0;
|
|
break;
|
|
case UTF16LE:
|
|
case UTF16BE:
|
|
inc = inputf[type==UTF16BE];
|
|
inc|= inputf[type==UTF16LE]<<8;
|
|
inputf += 2;
|
|
//handle surrogates
|
|
if (inc >= 0xd800u && inc < 0xdc00u && i+1 < chars)
|
|
{
|
|
unsigned int l;
|
|
|
|
l = inputf[type==UTF16BE];
|
|
l|= inputf[type==UTF16LE]<<8;
|
|
if (l >= 0xdc00u && l < 0xe000u)
|
|
{
|
|
inputf+=2;
|
|
inc = (((inc & 0x3ffu)<<10) | (l & 0x3ffu)) + 0x10000;
|
|
i++;
|
|
}
|
|
}
|
|
break;
|
|
case UTF32LE:
|
|
inc = *inputf++;
|
|
inc|= (*inputf++)<<8;
|
|
inc|= (*inputf++)<<16;
|
|
inc|= (*inputf++)<<24;
|
|
break;
|
|
case UTF32BE:
|
|
inc = (*inputf++)<<24;
|
|
inc|= (*inputf++)<<16;
|
|
inc|= (*inputf++)<<8;
|
|
inc|= *inputf++;
|
|
break;
|
|
}
|
|
if (inc > 0x10FFFF)
|
|
inc = 0xFFFD;
|
|
|
|
if (inc <= 127)
|
|
*utf8++ = inc;
|
|
else if (inc <= 0x7ff)
|
|
{
|
|
*utf8++ = ((inc>>6) & 0x1f) | 0xc0;
|
|
*utf8++ = ((inc>>0) & 0x3f) | 0x80;
|
|
}
|
|
else if (inc <= 0xffff)
|
|
{
|
|
*utf8++ = ((inc>>12) & 0xf) | 0xe0;
|
|
*utf8++ = ((inc>>6) & 0x3f) | 0x80;
|
|
*utf8++ = ((inc>>0) & 0x3f) | 0x80;
|
|
}
|
|
else if (inc <= 0x1fffff)
|
|
{
|
|
*utf8++ = ((inc>>18) & 0x07) | 0xf0;
|
|
*utf8++ = ((inc>>12) & 0x3f) | 0x80;
|
|
*utf8++ = ((inc>> 6) & 0x3f) | 0x80;
|
|
*utf8++ = ((inc>> 0) & 0x3f) | 0x80;
|
|
}
|
|
else
|
|
{
|
|
inc = 0xFFFD;
|
|
*utf8++ = ((inc>>12) & 0xf) | 0xe0;
|
|
*utf8++ = ((inc>>6) & 0x3f) | 0x80;
|
|
*utf8++ = ((inc>>0) & 0x3f) | 0x80;
|
|
}
|
|
}
|
|
*outlen = utf8 - start;
|
|
*utf8 = 0;
|
|
return start;
|
|
}
|
|
|
|
//the gui is a windows program.
|
|
//this means that its fucked.
|
|
//on the plus side, its okay with a bom...
|
|
unsigned short *QCC_makeutf16(char *mem, size_t len, int *outlen, pbool *errors)
|
|
{
|
|
unsigned int code;
|
|
int l;
|
|
unsigned short *out, *outstart;
|
|
pbool nonascii = false;
|
|
//sanitise the input.
|
|
if (len >= 4 && mem[0] == '\xff' && mem[1] == '\xfe' && mem[2] == '\x00' && mem[3] == '\x00')
|
|
mem = decodeUTF(UTF32LE, (unsigned char*)mem+4, len-4, &len, true);
|
|
else if (len >= 4 && mem[0] == '\x00' && mem[1] == '\x00' && mem[2] == '\xfe' && mem[3] == '\xff')
|
|
mem = decodeUTF(UTF32BE, (unsigned char*)mem+4, len-4, &len, true);
|
|
else if (len >= 2 && mem[0] == '\xff' && mem[1] == '\xfe')
|
|
{
|
|
//already utf8, just return it as-is
|
|
out = malloc(len+3);
|
|
memcpy(out, mem, len);
|
|
out[len/2] = 0;
|
|
return out;
|
|
//mem = decodeUTF(UTF16LE, (unsigned char*)mem+2, len-2, &len, false);
|
|
}
|
|
else if (len >= 2 && mem[0] == '\xfe' && mem[1] == '\xff')
|
|
mem = decodeUTF(UTF16BE, (unsigned char*)mem+2, len-2, &len, false);
|
|
//utf-8 BOM, for compat with broken text editors (like windows notepad).
|
|
else if (len >= 3 && mem[0] == '\xef' && mem[1] == '\xbb' && mem[2] == '\xbf')
|
|
{
|
|
mem += 3;
|
|
len -= 3;
|
|
}
|
|
|
|
outstart = malloc(len*2+3);
|
|
out = outstart;
|
|
while(len)
|
|
{
|
|
l = utf8_check(mem, &code);
|
|
if (!l)
|
|
{l = 1; code = 0xe000|(unsigned char)*mem; nonascii = true;}//fucked up. convert to 0xe000 private-use range.
|
|
len -= l;
|
|
mem += l;
|
|
|
|
if (code > 0xffff)
|
|
{
|
|
code -= 0x10000;
|
|
*out++ = 0xd800u | ((code>>10) & 0x3ff);
|
|
// *out++ = 0xdc00u | ((code>>00) & 0x3ff);
|
|
}
|
|
else
|
|
*out++ = code;
|
|
}
|
|
if (outlen)
|
|
*outlen = out - outstart;
|
|
*out++ = 0;
|
|
|
|
if (errors)
|
|
*errors = nonascii;
|
|
return outstart;
|
|
}
|
|
|
|
//input is a raw file (will not be changed
|
|
//output is utf-8 data
|
|
char *QCC_SanitizeCharSet(char *mem, size_t *len, pbool *freeresult, int *origfmt)
|
|
{
|
|
if (freeresult)
|
|
*freeresult = true;
|
|
if (*len >= 4 && mem[0] == '\xff' && mem[1] == '\xfe' && mem[2] == '\x00' && mem[3] == '\x00')
|
|
mem = decodeUTF(*origfmt=UTF32LE, (unsigned char*)mem+4, *len-4, len, !!freeresult);
|
|
else if (*len >= 4 && mem[0] == '\x00' && mem[1] == '\x00' && mem[2] == '\xfe' && mem[3] == '\xff')
|
|
mem = decodeUTF(*origfmt=UTF32BE, (unsigned char*)mem+4, *len-4, len, !!freeresult);
|
|
else if (*len >= 2 && mem[0] == '\xff' && mem[1] == '\xfe')
|
|
mem = decodeUTF(*origfmt=UTF16LE, (unsigned char*)mem+2, *len-2, len, !!freeresult);
|
|
else if (*len >= 2 && mem[0] == '\xfe' && mem[1] == '\xff')
|
|
mem = decodeUTF(*origfmt=UTF16BE, (unsigned char*)mem+2, *len-2, len, !!freeresult);
|
|
//utf-8 BOM, for compat with broken text editors (like windows notepad).
|
|
else if (*len >= 3 && mem[0] == '\xef' && mem[1] == '\xbb' && mem[2] == '\xbf')
|
|
{
|
|
*origfmt=UTF8_BOM;
|
|
mem += 3;
|
|
*len -= 3;
|
|
if (freeresult)
|
|
*freeresult = false;
|
|
}
|
|
else
|
|
{
|
|
unsigned int ch, cl;
|
|
char *p, *e=mem+*len;
|
|
|
|
*origfmt=UTF8_RAW;
|
|
for (p = mem; p < e; p += cl) //validate it, so we're sure what format it actually is
|
|
{
|
|
cl = utf8_check(p, &ch);
|
|
if (!cl)
|
|
{
|
|
*origfmt = UTF_ANSI;
|
|
break;
|
|
}
|
|
}
|
|
if (freeresult)
|
|
*freeresult = false;
|
|
/*
|
|
#ifdef _WIN32
|
|
//even if we wrote the bom, resaving with wordpad will translate the file to the system's active code page, which will fuck up any comments. thanks for that, wordpad.
|
|
//(weirdly, notepad does the right thing)
|
|
int wchars = MultiByteToWideChar(CP_ACP, 0, mem, *len, NULL, 0);
|
|
|
|
if (wchars)
|
|
{
|
|
BOOL failed = false;
|
|
wchar_t *wc = malloc(wchars * sizeof(wchar_t));
|
|
int mchars;
|
|
MultiByteToWideChar(CP_ACP, 0, mem, *len, wc, wchars);
|
|
mchars = WideCharToMultiByte(CP_UTF8, 0, wc, wchars, NULL, 0, NULL, NULL);
|
|
if (mchars && !failed)
|
|
{
|
|
mem = (freeresult?malloc(mchars+2):qccHunkAlloc(mchars+2));
|
|
mem[mchars] = 0;
|
|
*len = mchars;
|
|
if (freeresult)
|
|
*freeresult = true;
|
|
WideCharToMultiByte(CP_UTF8, 0, wc, wchars, mem, mchars, NULL, NULL);
|
|
}
|
|
free(wc);
|
|
}
|
|
#endif
|
|
*/
|
|
}
|
|
|
|
|
|
return mem;
|
|
}
|
|
|
|
static unsigned char *PDECL QCC_LoadFileHunk(void *ctx, size_t size)
|
|
{ //2 ensures we can always put a \n in there.
|
|
return (unsigned char*)qccHunkAlloc(sizeof(qcc_cachedsourcefile_t)+strlen(ctx)+size+2) + sizeof(qcc_cachedsourcefile_t) + strlen(ctx);
|
|
}
|
|
|
|
long QCC_LoadFile (char *filename, void **bufferptr)
|
|
{
|
|
qcc_cachedsourcefile_t *sfile;
|
|
progfuncs_t *progfuncs = qccprogfuncs;
|
|
char *mem;
|
|
int check;
|
|
size_t len;
|
|
int line;
|
|
int orig;
|
|
pbool warned = false;
|
|
|
|
mem = externs->ReadFile(filename, QCC_LoadFileHunk, filename, &len, true);
|
|
if (!mem)
|
|
{
|
|
QCC_Error(ERR_COULDNTOPENFILE, "Couldn't open file %s", filename);
|
|
return -1;
|
|
}
|
|
sfile = (qcc_cachedsourcefile_t*)(mem-sizeof(qcc_cachedsourcefile_t)-strlen(filename));
|
|
mem[len] = 0;
|
|
|
|
mem = QCC_SanitizeCharSet(mem, &len, NULL, &orig);
|
|
|
|
//actual utf-8 handling is somewhat up to the engine. the qcc can only ensure that utf8 works in symbol names etc.
|
|
//its only in strings where it actually makes a difference, and the interpretation of those is basically entirely up to the engine.
|
|
//that said, we could insert a utf-8 BOM into ones with utf-8 chars, but that would mess up a lot of builtins+mods, so we won't.
|
|
|
|
for (check = 0, line = 1; check < len; check++)
|
|
{
|
|
if (mem[check] == '\n')
|
|
line++;
|
|
else if (!mem[check])
|
|
{
|
|
if (!warned)
|
|
QCC_PR_Warning(WARN_UNEXPECTEDPUNCT, filename, line, "file contains null bytes %u/%u", check, len);
|
|
warned = true;
|
|
//fixme: insert modified-utf-8 nulls instead.
|
|
mem[check] = ' ';
|
|
}
|
|
}
|
|
|
|
mem[len] = '\n';
|
|
mem[len+1] = '\0';
|
|
|
|
strcpy(sfile->filename, filename);
|
|
sfile->size = len;
|
|
sfile->file = mem;
|
|
sfile->type = FT_CODE;
|
|
sfile->next = qcc_sourcefile;
|
|
qcc_sourcefile = sfile;
|
|
|
|
*bufferptr=mem;
|
|
|
|
return len;
|
|
}
|
|
void QCC_AddFile (char *filename)
|
|
{
|
|
qcc_cachedsourcefile_t *sfile;
|
|
progfuncs_t *progfuncs = qccprogfuncs;
|
|
char *mem;
|
|
size_t len;
|
|
|
|
mem = externs->ReadFile(filename, QCC_LoadFileHunk, filename, &len, false);
|
|
if (!mem)
|
|
externs->Abort("failed to find file %s", filename);
|
|
sfile = (qcc_cachedsourcefile_t*)(mem-sizeof(qcc_cachedsourcefile_t)-strlen(filename));
|
|
mem[len] = '\0';
|
|
|
|
sfile->size = len;
|
|
strcpy(sfile->filename, filename);
|
|
sfile->file = mem;
|
|
sfile->type = FT_DATA;
|
|
sfile->next = qcc_sourcefile;
|
|
qcc_sourcefile = sfile;
|
|
|
|
}
|
|
static unsigned char *PDECL FS_ReadToMem_Alloc(void *ctx, size_t size)
|
|
{
|
|
unsigned char *mem;
|
|
progfuncs_t *progfuncs = qccprogfuncs;
|
|
mem = externs->memalloc(size+1);
|
|
mem[size] = 0;
|
|
return mem;
|
|
}
|
|
void *FS_ReadToMem(char *filename, size_t *len)
|
|
{
|
|
progfuncs_t *progfuncs = qccprogfuncs;
|
|
return externs->ReadFile(filename, FS_ReadToMem_Alloc, NULL, len, false);
|
|
}
|
|
|
|
void FS_CloseFromMem(void *mem)
|
|
{
|
|
progfuncs_t *progfuncs = qccprogfuncs;
|
|
externs->memfree(mem);
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
void StripExtension (char *path)
|
|
{
|
|
int length;
|
|
|
|
length = strlen(path)-1;
|
|
while (length > 0 && path[length] != '.')
|
|
{
|
|
length--;
|
|
if (path[length] == '/')
|
|
return; // no extension
|
|
}
|
|
if (length)
|
|
path[length] = 0;
|
|
}
|