82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package env
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import (
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"os"
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"strconv"
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)
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// Get an environment variable as a uint, specifying a default value if its
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// not set or can't be parsed properly into a uint
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func UInt(key string, defaultValue uint) uint {
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val, exists := os.LookupEnv(key)
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if !exists {
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return defaultValue
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}
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intVal, err := strconv.ParseUint(val, 10, 0)
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if err != nil {
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return defaultValue
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}
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return uint(intVal)
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}
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// Get an environment variable as a uint8, specifying a default value if its
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// not set or can't be parsed properly into a uint8
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func UInt8(key string, defaultValue uint8) uint8 {
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val, exists := os.LookupEnv(key)
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if !exists {
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return defaultValue
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}
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intVal, err := strconv.ParseUint(val, 10, 8)
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if err != nil {
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return defaultValue
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}
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return uint8(intVal)
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}
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// Get an environment variable as a uint16, specifying a default value if its
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// not set or can't be parsed properly into a uint16
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func UInt16(key string, defaultValue uint16) uint16 {
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val, exists := os.LookupEnv(key)
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if !exists {
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return defaultValue
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}
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intVal, err := strconv.ParseUint(val, 10, 16)
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if err != nil {
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return defaultValue
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}
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return uint16(intVal)
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}
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// Get an environment variable as a uint32, specifying a default value if its
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// not set or can't be parsed properly into a uint32
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func UInt32(key string, defaultValue uint32) uint32 {
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val, exists := os.LookupEnv(key)
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if !exists {
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return defaultValue
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}
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intVal, err := strconv.ParseUint(val, 10, 32)
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if err != nil {
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return defaultValue
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}
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return uint32(intVal)
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}
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// Get an environment variable as a uint64, specifying a default value if its
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// not set or can't be parsed properly into a uint64
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func UInt64(key string, defaultValue uint64) uint64 {
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val, exists := os.LookupEnv(key)
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if !exists {
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return defaultValue
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}
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intVal, err := strconv.ParseUint(val, 10, 64)
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if err != nil {
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return defaultValue
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}
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return intVal
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}
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