kits/mail/mail_util.cpp

834 	ssize_t cnt = 0; // Number of characters currently in the buffer.
840 		if (buf == NULL || cnt + 2 >= len) {
844 				cnt = ENOMEM;
854 				cnt = errno;
855 				if (cnt >= 0)
856 					cnt = -1; // Error codes must be negative.
861 				if (cnt > 0) {
862 					buf[cnt++] = '\n';
863 					if (buf[cnt-2] == '\r') {
864 						buf[cnt-2] = '\n';
865 						--cnt;
872 		buf[cnt++] = c;
877 			if (cnt >= 2 && buf[cnt-2] == '\r') {
878 				buf[cnt-2] = '\n';
879 				--cnt;
883 			if (cnt <= 1)
888 				buf[cnt-1] = c; // Replace \n with the white space character.
897 	if (buf != NULL && cnt >= 0)
898 		buf[cnt] = '\0';
908 	return cnt;
917 	ssize_t cnt = 0; // Number of characters currently in the buffer.
924 		if (buf == NULL || cnt + 2 >= len) {
928 				cnt = ENOMEM;
938 				cnt = errorCode; // IO error encountered, just return the code.
943 				if (cnt > 0) {
944 					buf[cnt++] = '\n';
945 					if (buf[cnt-2] == '\r') {
946 						buf[cnt-2] = '\n';
947 						--cnt;
954 		buf[cnt++] = c;
959 			if (cnt >= 2 && buf[cnt-2] == '\r') {
960 				buf[cnt-2] = '\n';
961 				--cnt;
965 			if (cnt <= 1)
971 					buf[cnt-1] = c; // Replace \n with the white space character.
978 				cnt = errorCode;
985 	if (buf != NULL && cnt >= 0)
986 		buf[cnt] = '\0';
996 	return cnt;
1005 	ssize_t cnt = 0; // Number of characters currently in the buffer.
1012 		if (buf == NULL || cnt + 2 >= len)
1017 				cnt = ENOMEM;
1029 			if (cnt > 0) {
1030 				buf[cnt++] = '\n';
1031 				if (buf[cnt-2] == '\r') {
1032 					buf[cnt-2] = '\n';
1033 					--cnt;
1039 		buf[cnt++] = c;
1044 			if (cnt >= 2 && buf[cnt-2] == '\r') {
1045 				buf[cnt-2] = '\n';
1046 				--cnt;
1050 			if (cnt <= 1)
1055 				buf[cnt-1] = c; // Replace \n with the white space character.
1065 	if (buf != NULL && cnt >= 0)
1066 		buf[cnt] = '\0';
1076 	return cnt;