// Hook Texas Instruments compiler program to output a different version number

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <process.h>

#define LOGGING 1

    int
main (int argc, char *argv[]) {
    int i, exitcode=0;
    char original_exe_name[4096], *quoted_arg, *end;

#if LOGGING
    FILE *file;

    file=fopen("c:\\cmdlog", "a");
    if (!file) {
        printf("Error: Couldn't open cmdlog");
        return 0;
    }

    for (i=0; i<argc; i++) {
        fprintf(file, "%s\n", argv[i]);
        argv[i] = argv[i];
    }
    fprintf(file, "\n");
#endif

    if (argc>=2 && strcmp(argv[1], "--compiler_revision")==0) {
        printf("4.0.0\n");
    } else {
        // generate pathname of original executable file
        strcpy(original_exe_name, argv[0]);

        // lop off ".exe" and add "-original.exe"
        end = original_exe_name+strlen(original_exe_name);
        if (end-original_exe_name>=4 && strcasecmp(end-4, ".exe")==0) {
            *(end-4) = '\0';
        }
        strcat(original_exe_name, "-original.exe");
        argv[0] = original_exe_name;

        // create quoted verions of args to allow for spaces in pathnames (Windows ... grrr)
        for (i=0; i<argc; i++) {
            quoted_arg = malloc(strlen(argv[i])+2+1);
            if (!quoted_arg) {
                fprintf(stderr, "Out of memory");
                return(1);
            }
            strcpy(quoted_arg, "\"");
            strcat(quoted_arg, argv[i]);
            strcat(quoted_arg, "\"");
            argv[i] = quoted_arg;
        }
        argv[i] = NULL;

        // execute original program with same command line
        fprintf(file, "original_exe_name: %s\n", original_exe_name);

        exitcode = _spawnv(_P_WAIT, original_exe_name, (const char * const *)argv);
    }

#if LOGGING
    fclose(file);
#endif
    return exitcode;   /* no error */
}