Commit code, circa 2010

wrap.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+
+const char *usage = "\
+wrap - wrap a text file.\n\
+Usage: wrap <infile> <outfile>\n";
+
+int main(int argc, char **argv)
+{
+	if ( argc < 3 ) {
+		printf("%s", usage);
+		return 1;
+	}
+
+	FILE *in = fopen(argv[1], "r");
+	FILE *out = fopen(argv[2], "w");
+	int cn = 0;
+	char c = 0x00;
+
+	if ( !in || !out ) {
+		printf("Failed to open input/output file.\n");
+		in ? fclose(in) : 0 ;
+		out ? fclose(out) : 0 ;
+		return 1;
+	}
+
+	while ( !feof(in) ) {
+		c = fgetc(in);
+		if ( cn > 60 && 
+			( c == ' ' || c == '\n' || c == '\t' )) {
+			fputc('\n', out);
+			cn = 0;
+			if ( c != '\t' ) continue;
+		}
+		fputc(c, out);
+		cn++;
+	}
+
+	fclose(in);
+	fclose(out);
+	return 0;
+}