FlowVis/Framework/textfile.cpp

// textfile.cpp
//
// simple reading and writing for text files
//
// www.lighthouse3d.com
//
// You may use these functions freely.
// they are provided as is, and no warranties, either implicit,
// or explicit are given


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


char *textFileRead(char *fn) {

        FILE *fp;
        char *content = NULL;

        int count=0;

        if (fn != NULL) {
                fp = fopen(fn,"rt");

                if (fp != NULL) {
      
      fseek(fp, 0, SEEK_END);
      count = ftell(fp);
      rewind(fp);

                        if (count > 0) {
                                content = (char *)malloc(sizeof(char) * (count+1));
                                count = fread(content,sizeof(char),count,fp);
                                content[count] = '\0';
                        }
                        fclose(fp);
                }
        }
        return content;
}

int textFileWrite(char *fn, char *s) {

        FILE *fp;
        int status = 0;

        if (fn != NULL) {
                fp = fopen(fn,"w");

                if (fp != NULL) {
                        
                        if (fwrite(s,sizeof(char),strlen(s),fp) == strlen(s))
                                status = 1;
                        fclose(fp);
                }
        }
        return(status);
}