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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 12:06:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 12:06:34 +0000 |
commit | 5e61585d76ae77fd5e9e96ebabb57afa4d74880d (patch) | |
tree | 2b467823aaeebc7ef8bc9e3cabe8074eaef1666d /src/util/name_code.c | |
parent | Initial commit. (diff) | |
download | postfix-5e61585d76ae77fd5e9e96ebabb57afa4d74880d.tar.xz postfix-5e61585d76ae77fd5e9e96ebabb57afa4d74880d.zip |
Adding upstream version 3.5.24.upstream/3.5.24
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/name_code.c')
-rw-r--r-- | src/util/name_code.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/util/name_code.c b/src/util/name_code.c new file mode 100644 index 0000000..ca6d94a --- /dev/null +++ b/src/util/name_code.c @@ -0,0 +1,91 @@ +/*++ +/* NAME +/* name_code 3 +/* SUMMARY +/* name to number table mapping +/* SYNOPSIS +/* #include <name_code.h> +/* +/* typedef struct { +/* .in +4 +/* const char *name; +/* int code; +/* .in -4 +/* } NAME_CODE; +/* +/* int name_code(table, flags, name) +/* const NAME_CODE *table; +/* int flags; +/* const char *name; +/* +/* const char *str_name_code(table, code) +/* const NAME_CODE *table; +/* int code; +/* DESCRIPTION +/* This module does simple name<->number mapping. The process +/* is controlled by a table of (name, code) values. +/* The table is terminated with a null pointer and a code that +/* corresponds to "name not found". +/* +/* name_code() looks up the code that corresponds with the name. +/* The lookup is case insensitive. The flags argument specifies +/* zero or more of the following: +/* .IP NAME_CODE_FLAG_STRICT_CASE +/* String lookups are case sensitive. +/* .PP +/* For convenience the constant NAME_CODE_FLAG_NONE requests +/* no special processing. +/* +/* str_name_code() translates a number to its equivalent string. +/* DIAGNOSTICS +/* When the search fails, the result is the "name not found" code +/* or the null pointer, respectively. +/* 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 <string.h> + +/* Utility library. */ + +#include <name_code.h> + +/* name_code - look up code by name */ + +int name_code(const NAME_CODE *table, int flags, const char *name) +{ + const NAME_CODE *np; + int (*lookup) (const char *, const char *); + + if (flags & NAME_CODE_FLAG_STRICT_CASE) + lookup = strcmp; + else + lookup = strcasecmp; + + for (np = table; np->name; np++) + if (lookup(name, np->name) == 0) + break; + return (np->code); +} + +/* str_name_code - look up name by code */ + +const char *str_name_code(const NAME_CODE *table, int code) +{ + const NAME_CODE *np; + + for (np = table; np->name; np++) + if (code == np->code) + break; + return (np->name); +} |