File fetchmail-add-query_to64_outsize-utility-functi... of Package fetchmail

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File fetchmail-add-query_to64_outsize-utility-function.patch of Package fetchmail (Revision dd1b7373e4940204f0a1f996f311ec1e)

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From: Matthew Ogilvie <mmogilvi+fml@zoho.com>
Date: Fri, 21 Dec 2018 09:00:46 -0700
Subject: add query_to64_outsize() utility function
Git-repo: https://gitlab.com/fetchmail/fetchmail.git
Git-commit: cc6e146d516140df800da68976eb7c0aa1cef7c0

---
 base64.c    | 7 +++++++
 fetchmail.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/base64.c b/base64.c
index 3cd41691..25393b35 100644
--- a/base64.c
+++ b/base64.c
@@ -61,6 +61,13 @@ fail:
     return rc;
 }
 
+size_t query_to64_outsize(size_t inlen)
+/* Returns how much space needs to be allocated to receive the output from
+ * to64frombits(), including the '\0' terminator. */
+{
+    return ((inlen+2)/3)*4+1;
+}
+
 int from64tobits(void *out_, const char *in, int maxlen)
 /* base 64 to raw bytes in quasi-big-endian order, returning count of bytes */
 /* maxlen limits output buffer size, set to zero to ignore */
diff --git a/fetchmail.h b/fetchmail.h
index 8b9dd6c4..2d378942 100644
--- a/fetchmail.h
+++ b/fetchmail.h
@@ -638,6 +638,7 @@ int prc_filecheck(const char *, const flag);
 
 /* base64.c */
 int to64frombits(char *, const void *, int inlen, size_t outlen);
+size_t query_to64_outsize(size_t inlen);
 int from64tobits(void *, const char *, int mxoutlen);
 
 /* unmime.c */

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File fetchmail-add-query_to64_outsize-utility-function.patch of Package fetchmail (Revision dd1b7373e4940204f0a1f996f311ec1e)

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