54 decode_quoted_printable(const char *body, FILE *fpo, bool rfc2047)  in decode_quoted_printable()  argument
56 	while (*body != '\0') {  in decode_quoted_printable()
57 		switch (*body) {  in decode_quoted_printable()
59 			if (strlen(body) < 2) {  in decode_quoted_printable()
60 				fputc(*body, fpo);  in decode_quoted_printable()
64 			if (body[1] == '\r' && body[2] == '\n') {  in decode_quoted_printable()
65 				body += 2;  in decode_quoted_printable()
68 			if (body[1] == '\n') {  in decode_quoted_printable()
69 				body++;  in decode_quoted_printable()
72 			if (strchr("0123456789ABCDEFabcdef", body[1]) == NULL) {  in decode_quoted_printable()
73 				fputc(*body, fpo);  in decode_quoted_printable()
76 			if (strchr("0123456789ABCDEFabcdef", body[2]) == NULL) {  in decode_quoted_printable()
77 				fputc(*body, fpo);  in decode_quoted_printable()
80 			fputc(decode_char(body), fpo);  in decode_quoted_printable()
81 			body += 2;  in decode_quoted_printable()
90 			fputc(*body, fpo);  in decode_quoted_printable()
93 		body++;  in decode_quoted_printable()
98 encode_quoted_printable(const char *body, FILE *fpo, bool rfc2047)  in encode_quoted_printable()  argument
100 	const char *end = body + strlen(body);  in encode_quoted_printable()
104 	while (*body != '\0') {  in encode_quoted_printable()
109 		if (!isascii(*body) ||  in encode_quoted_printable()
110 		    *body == '=' ||  in encode_quoted_printable()
111 		    (*body == '.' && body + 1 < end &&  in encode_quoted_printable()
112 		      (body[1] == '\n' || body[1] == '\r'))) {  in encode_quoted_printable()
113 			fprintf(fpo, "=%02X", (unsigned char)*body);  in encode_quoted_printable()
115 			prev = *body;  in encode_quoted_printable()
116 		} else if (*body < 33 && *body != '\n') {  in encode_quoted_printable()
117 			if ((*body == ' ' || *body == '\t') &&  in encode_quoted_printable()
118 			    body + 1 < end &&  in encode_quoted_printable()
119 			    (body[1] != '\n' && body[1] != '\r')) {  in encode_quoted_printable()
120 				if (*body == 0x20 && rfc2047)  in encode_quoted_printable()
123 					fputc(*body, fpo);  in encode_quoted_printable()
124 				prev = *body;  in encode_quoted_printable()
126 				fprintf(fpo, "=%02X", (unsigned char)*body);  in encode_quoted_printable()
130 		} else if (*body == '\n') {  in encode_quoted_printable()
138 			fputc(*body, fpo);  in encode_quoted_printable()
139 			prev = *body;  in encode_quoted_printable()
141 		body++;  in encode_quoted_printable()