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| author | Leah Neukirchen <leah@vuxu.org> | 2023-03-16 19:54:46 +0100 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2023-03-16 19:54:46 +0100 |
| commit | 1838158ef19d489e554b3460059fba47d26ba145 (patch) | |
| tree | b4e446f1bb93665cf574ef25bc40725969e66775 /blaze822_priv.h | |
| parent | cccf01cb9aa45769e2e9d41c1e8e98a6502a98e0 (diff) | |
| download | mblaze-1838158ef19d489e554b3460059fba47d26ba145.tar.gz mblaze-1838158ef19d489e554b3460059fba47d26ba145.tar.xz mblaze-1838158ef19d489e554b3460059fba47d26ba145.zip | |
blaze822_priv.h: use proper lc/uc
Mail headers may contain characters where the simple definition breaks, which results in wrong formatting on output. Fixes #235.
Diffstat (limited to 'blaze822_priv.h')
| -rw-r--r-- | blaze822_priv.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/blaze822_priv.h b/blaze822_priv.h index a84c963..e5f4a09 100644 --- a/blaze822_priv.h +++ b/blaze822_priv.h @@ -12,9 +12,9 @@ struct message { #define isfws(c) (((unsigned char)(c) == ' ' || (unsigned char)(c) == '\t' || (unsigned char)(c) == '\n' || (unsigned char)(c) == '\r')) -// ASCII lowercase/uppercase without alpha check (wrong for "@[\]^_") -#define lc(c) ((c) | 0x20) -#define uc(c) ((c) & 0xdf) +// 7bit-ASCII only lowercase/uppercase +#define lc(c) (((unsigned)(c)-'A') < 26 ? ((c) | 0x20) : (c)) +#define uc(c) (((unsigned)(c)-'a') < 26 ? ((c) & 0xdf) : (c)) // dirent type that can be a mail/dir (following symlinks) #if defined(DT_REG) && defined(DT_LNK) && defined(DT_UNKNOWN) |