我正在尝试使用fgetc()
,fgets()
和fscanf()
等不同功能从文本文件中读取数据。在执行期间,程序在从fgetc()
读取后终止。
#include <stdio.h>
void writeFile(FILE *, char *);
void readFile(FILE *,char *);
void main(void){
FILE *file;
char *path="temp/test.txt";
printf("%s\n",path);
writeFile(file,path);
readFile(file,path);
return;
}
void readFile(FILE *file, char *path){
file = fopen(path , "r");
if(file)
printf("\n file opened");
char *buff;
char getc = fgetc(file);
printf("\n 1 char :: %c ",getc);
getc = fgetc(file);
printf("\n 2 char :: %c ",getc);
fgetc(file);
fgets(buff,25,file);
printf("\n 3 gets :: %s ",buff);
fgets(buff,255,file);
printf("\n 4 gets :: %s ",buff);
int fscan = fscanf(file,"%s", buff);
printf("\n 5 fscan :: %s ",buff);
int eof= fclose(file);
}
void writeFile(FILE *file, char *path){
file = fopen(path , "w+");
if(file)
printf("\n file opened");
char *fileStr= "this is not working";
int putc = fputc('@',file);
fputc('!',file);
int puts = fputs("\nThis is test file.",file);
int putf1 = fprintf(file, "\n Kinldy help to solve this");
int putf2 = fprintf(file, "\n%s", fileStr);
int eof= fclose(file);
}
注意:如果我在程序中评论writeFile(file,path);
行,它会正确执行。
答案 0 :(得分:-1)
我对您的程序进行了一些小的更改,以便它读取文件并且不会收到警告。请尝试它是否适合您。它现在没有终止,希望这会对你有所帮助。
#include <stdio.h>
void writeFile(FILE *, char *);
void readFile(FILE *, char *);
void main(void) {
FILE *file = NULL;
char *path = "temp/test.txt";
printf("%s\n", path);
writeFile(file, path);
readFile(file, path);
return;
}
void readFile(FILE *file, char *path) {
file = fopen(path, "r");
if (file)
printf("\n file opened");
char buff[255];
int getc = fgetc(file);
printf("\n 1 char :: %c ", getc);
getc = fgetc(file);
printf("\n 2 char :: %c ", getc);
fgetc(file);
fgets(buff, 25, file);
printf("\n 3 gets :: %s ", buff);
fgets(buff, 255, file);
printf("\n 4 gets :: %s ", buff);
int fscan = fscanf(file,"%254s", buff);
printf("\n 5 fscan :: %s ", buff);
int eof = fclose(file);
}
void writeFile(FILE *file, char *path) {
file = fopen(path, "w+");
if (file)
printf("\n file opened");
char *fileStr = "this is not working";
int putc = fputc('@', file);
fputc('!', file);
int puts = fputs("\nThis is test file.", file);
int putf1 = fprintf(file, "\n Kinldy help to solve this");
int putf2 = fprintf(file, "\n%s", fileStr);
int eof = fclose(file);
}