dd006b6edd
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@3932 fc73d0e0-1445-4013-8a0c-d673dee63da5
918 lines
15 KiB
C
918 lines
15 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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#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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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[12] = {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, //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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};
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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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short QCC_SwapShort (short l)
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{
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qbyte 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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short QCC_Short (short l)
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{
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return l;
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}
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int QCC_SwapLong (int l)
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{
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qbyte b1,b2,b3,b4;
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b1 = (qbyte)l;
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b2 = (qbyte)(l>>8);
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b3 = (qbyte)(l>>16);
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b4 = (qbyte)(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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int QCC_Long (int l)
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{
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return l;
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}
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float QCC_SwapFloat (float l)
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{
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union {qbyte 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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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 {qbyte 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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#ifndef MINIMAL
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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 (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) <= ' ')
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{
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if (c == 0)
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{
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qcc_eof = true;
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return NULL; // end of file;
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}
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data++;
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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 && *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=='\"')
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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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else if (c=='\0'||c=='\n')
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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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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 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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qcc_token[len] = c;
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data++;
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len++;
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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>32);
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qcc_token[len] = 0;
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return 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) <= ' ')
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{
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if (c == 0)
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{
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qcc_eof = true;
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return NULL; // end of file;
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}
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data++;
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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 && *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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qcc_token[len] = c;
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len++;
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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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qcc_token[len] = c;
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data++;
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len++;
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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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qcc_token[len] = c;
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data++;
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len++;
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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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qcc_token[len] = c;
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data++;
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len++;
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c = *data;
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} while ((c>= 'a' && c <= 'z') || (c>= 'A' && c <= 'Z') || 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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#ifndef MINIMAL
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char *QC_strupr (char *start)
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{
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char *in;
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in = start;
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while (*in)
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{
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*in = toupper(*in);
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in++;
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}
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return start;
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}
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char *QC_strlower (char *start)
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{
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char *in;
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in = start;
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while (*in)
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{
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*in = tolower(*in);
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in++;
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}
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return start;
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}
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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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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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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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printf ("\n************ ERROR ************\n%s\n", msg);
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editbadfile(strings+s_file, 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
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print ("Press any key\n");
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getch();
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#endif
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exit (1);
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}
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/*
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=================
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CheckParm
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Checks for the given parameter in the program's command line arguments
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Returns the argument number (1 to argc-1) or 0 if not present
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=================
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*/
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int QCC_CheckParm (char *check)
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{
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int i;
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for (i = 1;i<myargc;i++)
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{
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if ( !QC_strcasecmp(check, myargv[i]) )
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return i;
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}
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return 0;
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}
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/*
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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#ifdef QCC
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int SafeOpenWrite (char *filename)
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{
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int handle;
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umask (0);
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handle = open(filename,O_WRONLY | O_CREAT | O_TRUNC | O_BINARY
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, 0666);
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if (handle == -1)
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QCC_Error ("Error opening %s: %s",filename,strerror(errno));
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return handle;
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}
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#endif
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int SafeOpenRead (char *filename)
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{
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int handle;
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handle = open(filename,O_RDONLY | O_BINARY);
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if (handle == -1)
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QCC_Error ("Error opening %s: %s",filename,strerror(errno));
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return handle;
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}
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void SafeRead (int handle, void *buffer, long count)
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{
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if (read (handle,buffer,count) != count)
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QCC_Error ("File read failure");
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}
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#ifdef QCC
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void SafeWrite (int handle, void *buffer, long count)
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{
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if (write (handle,buffer,count) != count)
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QCC_Error ("File write failure");
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}
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#endif
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void *SafeMalloc (long size)
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{
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void *ptr;
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ptr = (void *)Hunk_Alloc (size);
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if (!ptr)
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QCC_Error ("Malloc failure for %lu bytes",size);
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return ptr;
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}
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*/
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void DefaultExtension (char *path, char *extension)
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{
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char *src;
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//
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// if path doesn't have a .EXT, append extension
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// (extension should include the .)
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//
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src = path + strlen(path) - 1;
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while (*src != PATHSEPERATOR && src != path)
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{
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if (*src == '.')
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return; // it has an extension
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src--;
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}
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strcat (path, extension);
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}
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void DefaultPath (char *path, char *basepath)
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{
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char temp[128];
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if (path[0] == PATHSEPERATOR)
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return; // absolute path location
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strcpy (temp,path);
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strcpy (path,basepath);
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strcat (path,temp);
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}
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void StripFilename (char *path)
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{
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int length;
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length = strlen(path)-1;
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while (length > 0 && path[length] != PATHSEPERATOR)
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length--;
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path[length] = 0;
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}
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/*
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====================
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Extract file parts
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====================
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*/
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void ExtractFilePath (char *path, char *dest)
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{
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char *src;
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src = path + strlen(path) - 1;
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//
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|
// back up until a \ or the start
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//
|
|
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
|
|
==============
|
|
*/
|
|
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[64];
|
|
char *buff;
|
|
// int buffismalloc;
|
|
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].buff)
|
|
{
|
|
strcpy(qccfile[i].name, filename);
|
|
qccfile[i].buffsize = maxsize;
|
|
qccfile[i].maxofs = 0;
|
|
qccfile[i].ofs = 0;
|
|
// if (maxsize > 8192)
|
|
// qccfile[i].buffismalloc = 1;
|
|
// else
|
|
// qccfile[i].buffismalloc = 0;
|
|
// if (qccfile[i].buffismalloc)
|
|
qccfile[i].buff = malloc(qccfile[i].buffsize);
|
|
// else
|
|
// qccfile[i].buff = memalloc(qccfile[i].buffsize);
|
|
return i;
|
|
}
|
|
}
|
|
QCC_Error(ERR_TOOMANYOPENFILES, "Too many open files on file %s", filename);
|
|
return -1;
|
|
}
|
|
|
|
void ResizeBuf(int hand, int newsize)
|
|
{
|
|
// int wasmal = qccfile[hand].buffismalloc;
|
|
char *nb;
|
|
|
|
if (qccfile[hand].buffsize >= newsize)
|
|
return; //already big enough
|
|
|
|
// if (newsize > 8192)
|
|
// {
|
|
// qccfile[hand].buffismalloc = true;
|
|
nb = malloc(newsize);
|
|
// }
|
|
// else
|
|
// {
|
|
// qccfile[hand].buffismalloc = false;
|
|
// nb = memalloc(newsize);
|
|
// }
|
|
|
|
memcpy(nb, qccfile[hand].buff, qccfile[hand].maxofs);
|
|
// if (wasmal)
|
|
free(qccfile[hand].buff);
|
|
// else
|
|
// memfree(qccfile[hand].buff);
|
|
qccfile[hand].buff = nb;
|
|
qccfile[hand].buffsize = newsize;
|
|
}
|
|
void SafeWrite(int hand, void *buf, long count)
|
|
{
|
|
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
|
|
{
|
|
ResizeBuf(hand, ofs+1024);
|
|
qccfile[hand].ofs = ofs;
|
|
if (qccfile[hand].ofs > qccfile[hand].maxofs)
|
|
qccfile[hand].maxofs = qccfile[hand].ofs;
|
|
return 0;
|
|
}
|
|
}
|
|
void SafeClose(int hand)
|
|
{
|
|
externs->WriteFile(qccfile[hand].name, qccfile[hand].buff, qccfile[hand].maxofs);
|
|
// if (qccfile[hand].buffismalloc)
|
|
free(qccfile[hand].buff);
|
|
// else
|
|
// memfree(qccfile[hand].buff);
|
|
qccfile[hand].buff = NULL;
|
|
}
|
|
|
|
qcc_cachedsourcefile_t *qcc_sourcefile;
|
|
long QCC_LoadFile (char *filename, void **bufferptr)
|
|
{
|
|
char *mem;
|
|
int len;
|
|
len = externs->FileSize(filename);
|
|
if (len < 0)
|
|
{
|
|
QCC_Error(ERR_COULDNTOPENFILE, "Couldn't open file %s", filename);
|
|
// if (!Abort)
|
|
return -1;
|
|
// Abort("failed to find file %s", filename);
|
|
}
|
|
mem = qccHunkAlloc(sizeof(qcc_cachedsourcefile_t) + len+2);
|
|
|
|
((qcc_cachedsourcefile_t*)mem)->next = qcc_sourcefile;
|
|
qcc_sourcefile = (qcc_cachedsourcefile_t*)mem;
|
|
qcc_sourcefile->size = len;
|
|
mem += sizeof(qcc_cachedsourcefile_t);
|
|
strcpy(qcc_sourcefile->filename, filename);
|
|
qcc_sourcefile->file = mem;
|
|
qcc_sourcefile->type = FT_CODE;
|
|
|
|
externs->ReadFile(filename, mem, len+2);
|
|
mem[len] = '\n';
|
|
mem[len+1] = '\0';
|
|
*bufferptr=mem;
|
|
|
|
return len;
|
|
}
|
|
void QCC_AddFile (char *filename)
|
|
{
|
|
char *mem;
|
|
int len;
|
|
len = externs->FileSize(filename);
|
|
if (len < 0)
|
|
Abort("failed to find file %s", filename);
|
|
mem = qccHunkAlloc(sizeof(qcc_cachedsourcefile_t) + len+1);
|
|
|
|
((qcc_cachedsourcefile_t*)mem)->next = qcc_sourcefile;
|
|
qcc_sourcefile = (qcc_cachedsourcefile_t*)mem;
|
|
qcc_sourcefile->size = len;
|
|
mem += sizeof(qcc_cachedsourcefile_t);
|
|
strcpy(qcc_sourcefile->filename, filename);
|
|
qcc_sourcefile->file = mem;
|
|
qcc_sourcefile->type = FT_DATA;
|
|
|
|
externs->ReadFile(filename, mem, len+1);
|
|
mem[len] = '\0';
|
|
}
|
|
void *FS_ReadToMem(char *filename, void *mem, int *len)
|
|
{
|
|
if (!mem)
|
|
{
|
|
*len = externs->FileSize(filename);
|
|
mem = memalloc(*len);
|
|
}
|
|
return externs->ReadFile(filename, mem, *len);
|
|
}
|
|
|
|
void FS_CloseFromMem(void *mem)
|
|
{
|
|
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;
|
|
}
|