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Fix macOS shared memory filename length limit (fixes issue #92) (#93)

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* Fix macOS shared memory filename length limit

Shorten shared memory object names from "__tdf_kittage_{pid}_page_{rn}_{page_num}"
to "tdf_{pid}_{rn}_{page_num}" and change timestamp from nanoseconds to
milliseconds % 1M to stay under macOS's 31-character limit for shm names.

Fixes "File name too long (os error 63)" error when rendering PDFs on macOS.

On macOS, SHM_NAME_MAX: 30

* Fix macOS shared memory filename length limit

Shorten shared memory object names from "__tdf_kittage_{pid}_page_{rn}_{page_num}"
to "tdf_{pid}_{rn}_{page_num}" and change timestamp from nanoseconds to
milliseconds % 1M to stay under macOS's 31-character limit for shm names.

Fixes "File name too long (os error 63)" error when rendering PDFs on macOS.

SHM_NAME_MAX: 30
This commit is contained in:
Per Hurtig
2025-08-18 17:15:19 +02:00
committed by GitHub
parent e65472e571
commit 7c2c6484a6
2 changed files with 6 additions and 8 deletions
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src/converter.rs
+5 -6
View File
@@ -139,14 +139,13 @@ pub async fn run_conversion_loop(
let rn = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_default()
.as_nanos();
.as_millis() % 1_000_000;
let mut img = if shms_work {
kittage::image::Image::shm_from(
dyn_img,
&format!("__tdf_kittage_{pid}_page_{rn}_{page_num}")
)
.map_err(|e| RenderError::Converting(format!("Couldn't write to shm: {e}")))?
kittage::image::Image::shm_from(dyn_img, &format!("tdf_{pid}_{rn}_{page_num}"))
.map_err(|e| {
RenderError::Converting(format!("Couldn't write to shm: {e}"))
})?
} else {
kittage::image::Image::from(dyn_img)
};