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os: simplify read_lines(

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radare 2020-01-31 15:59:23 +01:00 committed by GitHub
parent 5f76bd04f9
commit 2fbfbf45c7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 31 deletions
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35
vlib/os/os.v
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@ -233,37 +233,10 @@ fn vfopen(path, mode string) *C.FILE {
// read_lines reads the file in `path` into an array of lines.
pub fn read_lines(path string) ?[]string {
mut res := []string
mut buf_len := 1024
mut buf := malloc(buf_len)
mode := 'rb'
mut fp := vfopen(path, mode)
if isnil(fp) {
return error('read_lines() failed to open file "$path"')
buf := read_file(path) or {
return err
}
mut buf_index := 0
for C.fgets(buf + buf_index, buf_len - buf_index, fp) != 0 {
len := vstrlen(buf)
if len == buf_len - 1 && buf[len - 1] != 10 {
buf_len *= 2
buf = C.realloc(buf, buf_len)
if isnil(buf) {
return error('could not reallocate the read buffer')
}
buf_index = len
continue
}
if buf[len - 1] == 10 || buf[len - 1] == 13 {
buf[len - 1] = `\0`
}
if len > 1 && buf[len - 2] == 13 {
buf[len - 2] = `\0`
}
res << tos_clone(buf)
buf_index = 0
}
C.fclose(fp)
return res
return buf.split_into_lines()
}
fn read_ulines(path string) ?[]ustring {
@ -311,7 +284,7 @@ pub fn open_file(path string, mode string, options ...int) ?File {
`s` { flags |= O_SYNC }
`n` { flags |= O_NONBLOCK }
`c` { flags |= O_NOCTTY }
`+` { flags |= O_RDWR }
`+` { flags |= O_RDWR }
else {}
}
}