diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 12:06:34 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 12:06:34 +0000 |
commit | 5e61585d76ae77fd5e9e96ebabb57afa4d74880d (patch) | |
tree | 2b467823aaeebc7ef8bc9e3cabe8074eaef1666d /src/global/conv_time.c | |
parent | Initial commit. (diff) | |
download | postfix-5b7b6342ca8708be5ee306c089f8c5b3d3d122d8.tar.xz postfix-5b7b6342ca8708be5ee306c089f8c5b3d3d122d8.zip |
Adding upstream version 3.5.24.upstream/3.5.24upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/global/conv_time.c')
-rw-r--r-- | src/global/conv_time.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/global/conv_time.c b/src/global/conv_time.c new file mode 100644 index 0000000..78a40b5 --- /dev/null +++ b/src/global/conv_time.c @@ -0,0 +1,113 @@ +/*++ +/* NAME +/* conv_time 3 +/* SUMMARY +/* time value conversion +/* SYNOPSIS +/* #include <conv_time.h> +/* +/* int conv_time(strval, timval, def_unit); +/* const char *strval; +/* int *timval; +/* int def_unit; +/* DESCRIPTION +/* conv_time() converts a numerical time value with optional +/* one-letter suffix that specifies an explicit time unit: s +/* (seconds), m (minutes), h (hours), d (days) or w (weeks). +/* Internally, time is represented in seconds. +/* +/* Arguments: +/* .IP strval +/* Input value. +/* .IP timval +/* Result pointer. +/* .IP def_unit +/* The default time unit suffix character. +/* DIAGNOSTICS +/* The result value is non-zero in case of success, zero in +/* case of a bad time value or a bad time unit suffix. +/* 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 +/* +/* Wietse Venema +/* Google, Inc. +/* 111 8th Avenue +/* New York, NY 10011, USA +/*--*/ + +/* System library. */ + +#include <sys_defs.h> +#include <limits.h> /* INT_MAX */ +#include <stdlib.h> +#include <errno.h> + +/* Utility library. */ + +#include <msg.h> + +/* Global library. */ + +#include <conv_time.h> + +#define MINUTE (60) +#define HOUR (60 * MINUTE) +#define DAY (24 * HOUR) +#define WEEK (7 * DAY) + +/* conv_time - convert time value */ + +int conv_time(const char *strval, int *timval, int def_unit) +{ + char *end; + int intval; + long longval; + + errno = 0; + intval = longval = strtol(strval, &end, 10); + if (*strval == 0 || errno == ERANGE || longval != intval || intval < 0 + /* || (*end != 0 && end[1] != 0) */) + return (0); + + switch (*end ? *end : def_unit) { + case 'w': + if (intval < INT_MAX / WEEK) { + *timval = intval * WEEK; + return (1); + } else { + return (0); + } + case 'd': + if (intval < INT_MAX / DAY) { + *timval = intval * DAY; + return (1); + } else { + return (0); + } + case 'h': + if (intval < INT_MAX / HOUR) { + *timval = intval * HOUR; + return (1); + } else { + return (0); + } + case 'm': + if (intval < INT_MAX / MINUTE) { + *timval = intval * MINUTE; + return (1); + } else { + return (0); + } + case 's': + *timval = intval; + return (1); + } + return (0); +} |