Attachment 159753 Details for Bug 202240 – Source file compares fwscanf & fscanf return values

Source file compares fwscanf & fscanf return values

fbsd_fwscanf_check.c (text/plain), 1.15 KB, created by Rajendra on 2015-08-11 07:11:24 UTC

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Creator: Rajendra

Created: 2015-08-11 07:11:24 UTC

Size: 1.15 KB

patch

obsolete

>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <errno.h>
>#include <wchar.h>
>
>
>FILE *file_open(const char *filename)
>{
>	FILE *fptr = fopen(filename, "w+");
>	if (NULL == fptr) {
>		printf("Error: Failed to open '%s' file (%s)\n", filename, strerror(errno));
>		exit(1);
>	}
>	return fptr;
>}
>
>FILE *open_file1(const char *filename)
>{
>	FILE *fptr = file_open(filename);
>	const char buf[20] = "raj\n";
>	fprintf(fptr, buf);
>	rewind(fptr);
>	return fptr;
>}
>
>FILE *open_file2(const char *filename)
>{
>	FILE *fptr = file_open(filename);
>	const wchar_t buf[20] = L"raj\n";
>	fwprintf(fptr, buf);
>	rewind(fptr);
>	return fptr;
>}
>
>void return_value(const char *func, int ret)
>{
>	if (ret == 0) {
>		printf("%s return value is ZERO \n", func);
>	} else if(ret == EOF) {
>		printf("%s return value is EOF \n", func);
>	} else {
>		printf("%s return value is %d \n", func, ret);
>	}
>}
>
>int main(int argc, char *argv[])
>{
>
>	FILE *fptr1 = open_file1("tmp1.txt");
>	char buf1[20];
>	return_value("fscanf", fscanf(fptr1, "j%s", buf1));
>	fclose(fptr1);
>
>	FILE *fptr2 = open_file2("tmp2.txt");
>	wchar_t buf2[20];
>	return_value("fwscanf", fwscanf(fptr2, L"j%s", buf2));
>	fclose(fptr2);
>
>	return 0;
>}

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Attachments on bug 202240: 159753