#include <inttypes.h>#include <stdbool.h>#include <stdio.h>#include <stdlib.h>#include <string.h> #include <parserutils/charset/mibenum.h> #include <libcss/libcss.h> #include "charset/detect.h"#include "utils/utils.h" #include "testutils.h" typedef struct line_ctx {	size_t buflen;	size_t bufused;	uint8_t *buf;	char enc[64];	bool indata;	bool inenc;} line_ctx; static bool handle_line(const char *data, size_t datalen, void *pw);static void run_test(const uint8_t *data, size_t len, char *expected); int main(int argc, char **argv){	line_ctx ctx; 	if (argc != 2) {		printf("Usage: %s <filename>\n", argv[0]);		return 1;	} 	ctx.buflen = css__parse_filesize(argv[1]);	if (ctx.buflen == 0)		return 1; 	ctx.buf = malloc(ctx.buflen);	if (ctx.buf == NULL) {		printf("Failed allocating %u bytes\n",				(unsigned int) ctx.buflen);		return 1;	} 	ctx.buf[0] = '\0';	ctx.enc[0] = '\0';	ctx.bufused = 0;	ctx.indata = false;	ctx.inenc = false; 	assert(css__parse_testfile(argv[1], handle_line, &ctx) == true); 	/* and run final test */	if (ctx.bufused > 0 && ctx.buf[ctx.bufused - 1] == '\n')		ctx.bufused -= 1; 	run_test(ctx.buf, ctx.bufused, ctx.enc); 	free(ctx.buf); 	printf("PASS\n"); 	return 0;} bool handle_line(const char *data, size_t datalen, void *pw){	line_ctx *ctx = (line_ctx *) pw; 	if (data[0] == '#') {		if (ctx->inenc) {			/* This marks end of testcase, so run it */ 			if (ctx->buf[ctx->bufused - 1] == '\n')				ctx->bufused -= 1; 			run_test(ctx->buf, ctx->bufused, ctx->enc); 			ctx->buf[0] = '\0';			ctx->enc[0] = '\0';			ctx->bufused = 0;		} 		ctx->indata = (strncasecmp(data+1, "data", 4) == 0);		ctx->inenc  = (strncasecmp(data+1, "encoding", 8) == 0);	} else {		if (ctx->indata) {			memcpy(ctx->buf + ctx->bufused, data, datalen);			ctx->bufused += datalen;		}		if (ctx->inenc) {			strcpy(ctx->enc, data);			if (ctx->enc[strlen(ctx->enc) - 1] == '\n')				ctx->enc[strlen(ctx->enc) - 1] = '\0';		}	} 	return true;} void run_test(const uint8_t *data, size_t len, char *expected){	uint16_t mibenum = 0;	css_charset_source source = CSS_CHARSET_DEFAULT;	static int testnum; 	assert(css__charset_extract(data, len, &mibenum, &source) ==			PARSERUTILS_OK); 	assert(mibenum != 0); 	printf("%d: Detected charset %s (%d) Source %d Expected %s (%d)\n",			++testnum, parserutils_charset_mibenum_to_name(mibenum),			mibenum, source, expected,			parserutils_charset_mibenum_from_name(				expected, strlen(expected))); 	assert(mibenum == parserutils_charset_mibenum_from_name(			expected, strlen(expected)));}