83 lines
1.8 KiB
Go
83 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 an int, specifying a default value if its
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// not set or can't be parsed properly into an int
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func Int(key string, defaultValue int) int {
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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.Atoi(val)
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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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// Get an environment variable as an int8, specifying a default value if its
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// not set or can't be parsed properly into an int8
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func Int8(key string, defaultValue int8) int8 {
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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.ParseInt(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 int8(intVal)
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}
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// Get an environment variable as an int16, specifying a default value if its
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// not set or can't be parsed properly into an int16
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func Int16(key string, defaultValue int16) int16 {
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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.ParseInt(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 int16(intVal)
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}
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// Get an environment variable as an int32, specifying a default value if its
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// not set or can't be parsed properly into an int32
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func Int32(key string, defaultValue int32) int32 {
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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.ParseInt(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 int32(intVal)
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}
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// Get an environment variable as an int64, specifying a default value if its
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// not set or can't be parsed properly into an int64
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func Int64(key string, defaultValue int64) int64 {
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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.ParseInt(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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