Files
Linux-C-Notes/Chapter13/io/stdio/mycpy_fgets.c
2024-04-27 00:22:26 +08:00

48 lines
701 B
C

#include <stdio.h>
#include <stdlib.h>
#define BUFSIZE 1024
/**
* @brief
* @details
* usage: ./mycpy <src> <dst>
*
* @return int
*/
int main(int argc, char **argv)
{
FILE *fps, *fpd;
char buf[BUFSIZE];
if (argc < 3)
{
fprintf(stderr, "Usage:%s <src> <dst>\n", argv[0]);
exit(1);
}
fopen(argv[1], "r");
if (NULL == fps)
{
perror("fopen()");
exit(1);
}
fopen(argv[2], "w");
if (NULL == fpd)
{
// !!!
fclose(fps);
perror("fopen()");
exit(1);
}
while (NULL != fgets(buf, BUFSIZE, fps))
fputs(buf, fpd);
fclose(fpd);
fclose(fps);
exit(0);
}