43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
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From: Matthew Ogilvie <mmogilvi+fml@zoho.com>
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Date: Fri, 21 Dec 2018 09:00:46 -0700
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Subject: add query_to64_outsize() utility function
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Git-repo: https://gitlab.com/fetchmail/fetchmail.git
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Git-commit: cc6e146d516140df800da68976eb7c0aa1cef7c0
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---
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base64.c | 7 +++++++
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fetchmail.h | 1 +
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2 files changed, 8 insertions(+)
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diff --git a/base64.c b/base64.c
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index 3cd41691..25393b35 100644
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--- a/base64.c
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+++ b/base64.c
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@@ -61,6 +61,13 @@ fail:
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return rc;
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}
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+size_t query_to64_outsize(size_t inlen)
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+/* Returns how much space needs to be allocated to receive the output from
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+ * to64frombits(), including the '\0' terminator. */
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+{
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+ return ((inlen+2)/3)*4+1;
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+}
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+
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int from64tobits(void *out_, const char *in, int maxlen)
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/* base 64 to raw bytes in quasi-big-endian order, returning count of bytes */
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/* maxlen limits output buffer size, set to zero to ignore */
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diff --git a/fetchmail.h b/fetchmail.h
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index 8b9dd6c4..2d378942 100644
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--- a/fetchmail.h
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+++ b/fetchmail.h
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@@ -638,6 +638,7 @@ int prc_filecheck(const char *, const flag);
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/* base64.c */
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int to64frombits(char *, const void *, int inlen, size_t outlen);
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+size_t query_to64_outsize(size_t inlen);
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int from64tobits(void *, const char *, int mxoutlen);
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/* unmime.c */
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