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lbutils/file: fix overflow check

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clang -Weverything:

lib/file.c:165:49: warning: implicit conversion changes signedness: 'ssize_t' (aka 'long') to 'size_t' (aka 'unsigned long') [-Wsign-conversion]
  165 |                 if (if_err(rval >= 0 && (size_t)rval > (nrw - rc), EOVERFLOW))

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-04-01 17:27:18 +01:00
parent 3d24aa98f9
commit c48a962eaf
1 changed files with 2 additions and 1 deletions
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util/libreboot-utils/lib/file.c
+2 -1
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@@ -158,7 +158,8 @@ rw_exact(int fd, unsigned char *mem, size_t nrw,
while (1) {
/* Prevent theoretical overflow */
if (if_err(rval >= 0 && (size_t)rval > (nrw - rc), EOVERFLOW))
if (if_err(rval >= 0 && (size_t)rval > (nrw - (size_t)rc),
EOVERFLOW))
goto err_rw_exact;
rc += rval;