consider large section of bad data

1 files changed, 21 insertions, 22 deletions

diff --git a/mycan.c b/mycan.c
index 7fdef0c..59e49b2 100644
--- a/mycan.c
+++ b/mycan.c
@@ -87,31 +87,30 @@ int main(int argc, char **argv)
 	//printf("this is a can receive demo\r\n");
 
 	// check and fix corrupted .csv file
+	for(FILE *fp;(fp=fopen(filename,"r"))!=NULL;)
 	{
-		FILE * fp;
-		if((fp=fopen(filename,"r"))!=NULL)
+		char ch;
+		uint32_t offset;
+		int remain;
+		fseek(fp,-1L,SEEK_END);
+		fscanf(fp,"%c",&ch);
+		fseek(fp,0L,SEEK_END);
+		offset=ftell(fp);
+		//printf("csv file end offset: %d\n",offset);
+		fclose(fp);
+		remain=offset%ENTRY_SIZE;
+		if(remain)
 		{
-			char ch;
-			uint32_t offset;
-			int remain;
-			fseek(fp,-1L,SEEK_END);
-			fscanf(fp,"%c",&ch);
-			fseek(fp,0L,SEEK_END);
-			offset=ftell(fp);
-			//printf("csv file end offset: %d\n",offset);
-			fclose(fp);
-			remain=offset%ENTRY_SIZE;
-			if(remain)
-			{
-				printf("Corrupted .csv file not a multiple of %d, removing last line\n",ENTRY_SIZE);
-				truncate(filename,offset-remain);
-			}
-			else if(ch != '\n')
-			{
-				printf("Corrupted .csv file last char not newline, removing last line\n");
-				truncate(filename,offset-ENTRY_SIZE);
-			}
+			printf("Corrupted .csv file not a multiple of %d, removing last line\n",ENTRY_SIZE);
+			truncate(filename,offset-remain);
+		}
+		else if(ch != '\n')
+		{
+			printf("Corrupted .csv file last char not newline, removing last line\n");
+			truncate(filename,offset-ENTRY_SIZE);
 		}
+		else
+			break;
 	}
 
 	//1.Create socket