Commit 294ed97e authored by Antonio Borneo's avatar Antonio Borneo

log: remove "%m" from format strings by using strerror(errno)

The printf() format specifier "%m" is a glibc extension to print
the string returned by strerror(errno). While supported by other
libraries (e.g. uClibc and musl), it is not widely portable.

In Wayland code the format string is often passed to a logging
function that calls other syscalls before the conversion of "%m"
takes place. If one of such syscall modifies the value in errno,
the conversion of "%m" will incorrectly report the error string
corresponding to the new value of errno.

Remove all the occurrences of the specifier "%m" in Wayland code
by using directly the string returned by strerror(errno).
Signed-off-by: Antonio Borneo's avatarAntonio Borneo <borneo.antonio@gmail.com>
parent 6db761d1
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