Re: [libvirt] [PATCH v2 1/3] util: virbuffer: introduce virBufferEscapeN

+/** + * virBufferEscapeN: + * @buf: the buffer to append to + * @format: a printf like format string but with only one %s parameter + * @str: the string argument which needs to be escaped

+ * @...: the variable list of arguments composed

+ * + * The variable list of arguments @... must be composed of + * 'char escape, char *toescape' pairs followed by NULL. + * + * This has the same functionality as virBufferEscape with the extension + * that allows to specify multiple pairs of chars that needs to be escaped. + */ +void +virBufferEscapeN(virBufferPtr buf, + const char *format, + const char *str, + ...) +{ + int len; + size_t i; + char escape; + char *toescape; + char *escaped = NULL; + char *out; + const char *cur; + struct _virBufferEscapePair escapeItem; + struct _virBufferEscapePair *escapeList = NULL; + size_t nescapeList = 0; + va_list ap; + + if ((format == NULL) || (buf == NULL) || (str == NULL)) + return; + + if (buf->error) + return; + + len = strlen(str); + + va_start(ap, str); +

+ while ((escape = va_arg(ap, int))) { + if (!(toescape = va_arg(ap, char *))) {

+ virBufferSetError(buf, errno); + goto cleanup; + }