simonkellet/odin-flags
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added temp_alloc for string builder in help flag. stops mem leak

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This commit is contained in:
Simon Kellet 2026-07-15 13:15:54 +01:00
parent a8c2df53c2
commit 2fa8bf4024
1 changed files with 6 additions and 6 deletions
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12
fleg/flag.odin
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@ -64,8 +64,9 @@ init_custom_allocator :: proc(allocator: runtime.Allocator) {
}
destroy :: proc() {
fmt.println("fleg destroy proc()")
delete(all_flags)
all_flags = {} // sck: needed?
all_flags = {}
}
print_flags :: proc() {
@ -128,7 +129,6 @@ Float64Var :: proc(ptr: ^f64, name: string, default: f64, usage: string, require
}
parse_flags :: proc() {
defer destroy()
// sck: We cannot have the start and seperator formats being the same
if FLAG_START_CHAR == FLAG_SEP_CHAR {
fmt.println("[ERROR]: FLAG_START_CHAR and FLAG_SEP_CHAR cannot be the same!")
@ -137,12 +137,13 @@ parse_flags :: proc() {
}
if len(os.args) < 2 && FORCE_HELP_ON_EMPTY_ARGS {print_usage()}
// sck: skip the first arg
// sck: skip the first arg (1:)
for &a in os.args[1:] {
if a == "-h" || a == "-help" || a == "--help" {print_usage(); os.exit(0)}
// sck: if the user has a custom flag format, copy that to the help flag too.
if a == fmt.aprintf("%s%s", FLAG_START_CHAR, "help", allocator = flag_allocator) {print_usage(); os.exit(0)}
if a == fmt.aprintf("%s%s", FLAG_START_CHAR, "h", allocator = flag_allocator) {print_usage(); os.exit(0)}
if a == fmt.aprintf("%s%s", FLAG_START_CHAR, "help", allocator = context.temp_allocator) {print_usage(); os.exit(0)}
if a == fmt.aprintf("%s%s", FLAG_START_CHAR, "h", allocator = context.temp_allocator) {print_usage(); os.exit(0)}
defer free_all(context.temp_allocator) //clean up!
// Begin parsing flags...
for &f in all_flags {
@ -220,7 +221,6 @@ parse_flags :: proc() {
if f.required && !f.parsed {
fmt.fprintfln(os.stderr, "[ERROR] Missing required flag: %s%s", FLAG_START_CHAR, f.name)
fmt.fprintfln(os.stderr, "use -help or -h to view all flags")
//print_usage()
os.exit(1)
}
}