diff options
| -rw-r--r-- | src/driver/tpax_driver_ctx.c | 51 |
1 files changed, 22 insertions, 29 deletions
diff --git a/src/driver/tpax_driver_ctx.c b/src/driver/tpax_driver_ctx.c index 4348ebc..b7b949e 100644 --- a/src/driver/tpax_driver_ctx.c +++ b/src/driver/tpax_driver_ctx.c @@ -55,6 +55,9 @@ static const struct tpax_fd_ctx tpax_default_fdctx = { .fdlog = (-1), }; +/* fallback error description */ +static const char tpax_null_errdesc[] = "<no error description>"; + struct tpax_driver_ctx_alloc { struct argv_meta * meta; struct tpax_driver_ctx_impl ctx; @@ -78,6 +81,21 @@ static uint32_t tpax_argv_flags(uint32_t flags) return ret; } +static const char * tpax_driver_errdesc(void) +{ + int lerrno; + const char * errstr; + + lerrno = errno; + errno = 0; + + errstr = strerror(lerrno); + errstr = errno ? tpax_null_errdesc : errstr; + errno = lerrno; + + return errstr; +} + static int tpax_driver_usage( int fdout, const char * program, @@ -173,8 +191,7 @@ static int tpax_driver_usage_copy_mode( break; default: - if (!(errdesc = strerror(errno))) - errdesc = "<no error description>"; + errdesc = tpax_driver_errdesc(); tpax_dprintf( fdout, @@ -263,15 +280,7 @@ static int tpax_driver_error_archive_path( struct argv_meta * meta, bool fwrite) { - int lerrno; - const char * errstr; - - lerrno = errno; - errno = 0; - - errstr = strerror(lerrno); - errstr = errno ? "" : errstr; - errno = lerrno; + const char * errstr = tpax_driver_errdesc(); if (fwrite) { tpax_dprintf( @@ -584,15 +593,7 @@ static int tpax_driver_srcstat_error( const struct argv_entry * archive, const char * program) { - int lerrno; - const char * errstr; - - lerrno = errno; - errno = 0; - - errstr = strerror(lerrno); - errstr = errno ? "" : errstr; - errno = lerrno; + const char * errstr = tpax_driver_errdesc(); if (archive) { tpax_dprintf( @@ -615,15 +616,7 @@ static int tpax_driver_cache_error( struct tpax_driver_ctx_impl * ctx, const char * program) { - int lerrno; - const char * errstr; - - lerrno = errno; - errno = 0; - - errstr = strerror(lerrno); - errstr = errno ? tpax_null_errdesc : errstr; - errno = lerrno; + const char * errstr = tpax_driver_errdesc(); tpax_dprintf( ctx->fdctx.fderr, |