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-rw-r--r--pb.h14
-rw-r--r--pb_decode.c6
2 files changed, 17 insertions, 3 deletions
diff --git a/pb.h b/pb.h
index d6cb1d40..6f843854 100644
--- a/pb.h
+++ b/pb.h
@@ -10,6 +10,9 @@
* uncommenting the lines, or on the compiler command line. *
*****************************************************************/
+/* Enable support for dynamically allocated fields */
+/* #define PB_ENABLE_MALLOC 1 */
+
/* Define this if your CPU architecture is big endian, i.e. it
* stores the most-significant byte first. */
/* #define __BIG_ENDIAN__ 1 */
@@ -340,6 +343,17 @@ struct _pb_extension_t {
pb_extension_t *next;
};
+/* Memory allocation functions to use. You can define pb_realloc and
+ * pb_free to custom functions if you want. */
+#ifdef PB_ENABLE_MALLOC
+# ifndef pb_realloc
+# define pb_realloc(ptr, size) realloc(ptr, size)
+# endif
+# ifndef pb_free
+# define pb_free(ptr) free(ptr)
+# endif
+#endif
+
/* These macros are used to declare pb_field_t's in the constant array. */
/* Size of a structure member, in bytes. */
#define pb_membersize(st, m) (sizeof ((st*)0)->m)
diff --git a/pb_decode.c b/pb_decode.c
index 7938d70b..9a2abd6e 100644
--- a/pb_decode.c
+++ b/pb_decode.c
@@ -480,7 +480,7 @@ static bool checkreturn allocate_field(pb_istream_t *stream, void *pData, size_t
/* Allocate new or expand previous allocation */
/* Note: on failure the old pointer will remain in the structure,
* the message must be freed by caller also on error return. */
- ptr = realloc(ptr, size);
+ ptr = pb_realloc(ptr, size);
if (ptr == NULL)
PB_RETURN_ERROR(stream, "realloc failed");
@@ -945,7 +945,7 @@ void pb_release(const pb_field_t fields[], void *dest_struct)
size_t count = *(size_t*)iter.pSize;
while (count--)
{
- free(*pItem);
+ pb_free(*pItem);
*pItem++ = NULL;
}
}
@@ -968,7 +968,7 @@ void pb_release(const pb_field_t fields[], void *dest_struct)
}
/* Release main item */
- free(*(void**)iter.pData);
+ pb_free(*(void**)iter.pData);
*(void**)iter.pData = NULL;
}
} while (pb_field_next(&iter));