feature: edit command

1 files changed, 34 insertions, 0 deletions

diff --git a/easydir.c b/easydir.c
index 08cac0f..9337fe1 100644
--- a/easydir.c
+++ b/easydir.c
@@ -42,3 +42,37 @@ int checkFileExist(char *path_to_file)
 
 	return 1;
 }
+
+char *fileCropLineFeed(char *path, char *text, int maxlen)
+{
+	FILE *file = fopen(path, "r+");	
+	if(file == NULL) callError(130);
+	
+	int symbol;
+	int pos = 0;
+	char *str = (char *) malloc(sizeof(char) * maxlen);
+	while((symbol = fgetc(file)))
+	{
+		switch(symbol)
+		{
+			case '\n':
+			case EOF: {
+				str[pos] = '\0';
+				pos = -1; // for break while
+				break;
+			}
+			default: {
+				str[pos] = symbol;
+				pos++;
+				break;
+			}
+		}
+		if(pos == -1) break;
+		if(pos > maxlen-1) { str[pos-1] = '\0'; break; }
+	}
+	fclose(file);
+
+	strcpy(text, str);
+	free(str);
+	return text;
+}