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safer macro

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-04-01 06:10:57 +01:00
parent e731893208
commit f90af15502
2 changed files with 12 additions and 6 deletions
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util/libreboot-utils/lib/file.c
+8 -6
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@@ -826,12 +826,14 @@ close_on_eintr(int *fd)
* ONE MACRO TO RULE THEM ALL:
*/
#define fs_err_retry() \
if ((rval == -1) && \
(errno == EINTR)) \
return 1; \
if (rval >= 0 && !errno) \
errno = saved_errno; \
return 0
do { \
if ((rval == -1) && \
(errno == EINTR)) \
return 1; \
if (rval >= 0 && !errno) \
errno = saved_errno; \
return 0; \
} while(0)
/*
* Regarding the errno logic above:
* on success, it is permitted that