+#define ESCAPE_INIT_BUF_SIZE 256
+
+#define ESCAPE_CHECK_SIZE(src, size, max_size) \
+ if (size > max_size) { \
+ char buf[64]; \
+ snprintf(buf, sizeof(buf), "%s", src); \
+ av_log(log_ctx, AV_LOG_WARNING, \
+ "String '%s...' with is too big\n", buf); \
+ return "FFPROBE_TOO_BIG_STRING"; \
+ }
+
+#define ESCAPE_REALLOC_BUF(dst_size_p, dst_p, src, size) \
+ if (*dst_size_p < size) { \
+ char *q = av_realloc(*dst_p, size); \
+ if (!q) { \
+ char buf[64]; \
+ snprintf(buf, sizeof(buf), "%s", src); \
+ av_log(log_ctx, AV_LOG_WARNING, \
+ "String '%s...' could not be escaped\n", buf); \
+ return "FFPROBE_THIS_STRING_COULD_NOT_BE_ESCAPED"; \
+ } \
+ *dst_size_p = size; \
+ *dst = q; \
+ }
+