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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 19:59:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 19:59:03 +0000 |
commit | a848231ae0f346dc7cc000973fbeb65b0894ee92 (patch) | |
tree | 44b60b367c86723cc78383ef247885d72b388afe /src/util/lowercase.c | |
parent | Initial commit. (diff) | |
download | postfix-a848231ae0f346dc7cc000973fbeb65b0894ee92.tar.xz postfix-a848231ae0f346dc7cc000973fbeb65b0894ee92.zip |
Adding upstream version 3.8.5.upstream/3.8.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/lowercase.c')
-rw-r--r-- | src/util/lowercase.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/util/lowercase.c b/src/util/lowercase.c new file mode 100644 index 0000000..f7388b4 --- /dev/null +++ b/src/util/lowercase.c @@ -0,0 +1,43 @@ +/*++ +/* NAME +/* lowercase 3 +/* SUMMARY +/* map uppercase characters to lowercase +/* SYNOPSIS +/* #include <stringops.h> +/* +/* char *lowercase(buf) +/* char *buf; +/* DESCRIPTION +/* lowercase() replaces uppercase characters in its null-terminated +/* input by their lowercase equivalent. +/* LICENSE +/* .ad +/* .fi +/* The Secure Mailer license must be distributed with this software. +/* AUTHOR(S) +/* Wietse Venema +/* IBM T.J. Watson Research +/* P.O. Box 704 +/* Yorktown Heights, NY 10598, USA +/*--*/ + +/* System library. */ + +#include "sys_defs.h" +#include <ctype.h> + +/* Utility library. */ + +#include "stringops.h" + +char *lowercase(char *string) +{ + char *cp; + int ch; + + for (cp = string; (ch = *cp) != 0; cp++) + if (ISUPPER(ch)) + *cp = TOLOWER(ch); + return (string); +} |