mirror of https://github.com/RevCurtisP/C02.git
103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
/******************************
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* C02 File Handling Routines *
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******************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include <errno.h>
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#include "common.h"
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#include "files.h"
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/* Error - Print textual description of system error *
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* and exit with system error code */
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void extsys(char *s) {
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perror(s);
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exterr(errno);
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}
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/* Open Source File *
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* Uses: srcnam - Source File Name *
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* Sets: srcfil - Source File Handle */
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void opnsrc(void) {
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DEBUG("files.opnsrc: Processing Source File Name '%s'\n", srcnam)
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if (strrchr(srcnam, '.') == NULL) strcat(srcnam, ".c02"); //if no extension. add ".c02"
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DEBUG("files.opnsrc: Opening Source File '%s'\n", srcnam)
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srcfil = fopen(srcnam, "r"); //open file
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if (srcfil == NULL) extsys(srcnam);
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}
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/* Close Source File */
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void clssrc(void) { fclose(srcfil); }
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/* Open Output File *
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* Uses: outnam - Output File Name *
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* Sets: outfil - Output File Handle */
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void opnout(void) {
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DEBUG("files.opnout: Processing Output File Name '%s'\n", outnam)
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if (strlen(outnam) == 0) //if Output File not specified
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{
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strcpy(outnam, srcnam); //copy Source Name to Ouput Name
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char *dot = strrchr(outnam, '.'); //find extension
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if (dot != NULL) *dot = 0; //and remove it
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DEBUG("files.opnout: Set Output File Name to '%s'\n", outnam)
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}
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if (strrchr(outnam, '.') == NULL) strcat(outnam, ".asm"); //if no extension, add ".asm"
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DEBUG("files.opnout: Opening Output File '%s'\n", outnam)
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outfil = fopen(outnam, "w"); //open file
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if (outfil == NULL) extsys(outnam);
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}
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/* Close Output File */
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void clsout(void) {
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fprintf(outfil, "\n");
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fclose(outfil);
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}
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/* Open Log File *
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* Uses: srcnam - Source File Name *
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* Sets: logfil - Log File Handle */
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void opnlog(void) {
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strcpy(lognam, srcnam); //set Log File Name to Source File Name
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char *dot = strrchr(lognam, '.'); //find file extension
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if (dot != NULL) *dot = 0; //and remove it
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strcat(lognam, ".log"); //add extension ".log"
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DEBUG("files.opnlog: Opening Log File '%s'\n", lognam)
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logfil = fopen(lognam, "w");
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if (logfil == NULL) extsys(lognam);
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}
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/* Close Log File *
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* Uses: logfil - Log File Handle */
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void clslog(void) { fclose(logfil); }
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/* Open Include file *
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* Uses: incnam - Include File Name *
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* subnam - Include File Name (Subdirectory) *
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* Sets: incfil - Include File Handle */
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void opninc(int chksub)
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{
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if (chksub) {
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for (subidx=0; subidx<subcnt; subidx++) {
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DEBUG("files.opninc: Attempting to open include file '%s'\n", subnam[subidx])
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incfil = fopen(subnam[subidx], "r");
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if (incfil == NULL) DEBUG("files.opninc: Open failed\n", 0)
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else {
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strcpy(incnam, subnam[subidx]);
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DEBUG("files.opninc: INCNAM set to '%s'\n", incnam);
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return;
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}
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}
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}
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DEBUG("files.opninc: Opening include file '%s'\n", incnam)
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incfil = fopen(incnam, "r");
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if (incfil == NULL) extsys(incnam);
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}
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/* Close Include File *
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* Uses: incfil - Include File Handle */
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void clsinc(void) { fclose(incfil); }
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