mirror of https://github.com/cc65/cc65.git
71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
/*
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!!DESCRIPTION!! fgets test
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!!LICENCE!! Public domain
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*/
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#include "common.h"
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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FILE *in, *out;
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char buf[32];
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#define INFILE "cf.in"
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int main(int argc,char **argv)
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{
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static char outfile_path[FILENAME_MAX+1];
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static int r;
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sprintf(outfile_path, "%s.test.out", argv[0]);
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out = fopen(outfile_path, "wb");
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if (out == NULL) {
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return EXIT_FAILURE;
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}
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if (fread(buf, 1, sizeof(buf), out) != NULL) {
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printf("Error, could fread with write-only file\n");
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return 1;
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}
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if (!ferror(out)) {
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printf("Error: file pointer should be in error state\n");
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}
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fclose(out);
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unlink(outfile_path);
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in = fopen(INFILE, "rb");
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if (in == NULL) {
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return EXIT_FAILURE;
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}
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/* Test that ungetc doesn't break fread */
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buf[0] = fgetc(in);
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ungetc(buf[0], in);
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r = fread(buf, 1, sizeof(buf), out);
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if (r == 0) {
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printf("Error: could not start reading.\n");
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}
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fwrite(buf, 1, r, stdout);
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/* Finish reading file. */
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while ((r = fread(buf, 1, sizeof(buf), out)) != 0)
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{
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fwrite(buf, 1, r, stdout);
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}
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if (!feof(in))
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{
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printf("We should have EOF!\n");
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}
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fclose(in);
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return 0;
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}
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