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| author | Denys Vlasenko | 2016-12-12 16:30:20 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2016-12-12 16:30:20 +0100 |
| commit | b6afcc78194aa0801544bc606b9562339c846eb4 (patch) | |
| tree | 7e0bc1d3f16b226201ec8a997be8c916f9d27940 | |
| parent | 4f13a7050787aadb402c9c47aae0ff778dbc2c8b (diff) | |
| download | busybox-b6afcc78194aa0801544bc606b9562339c846eb4.zip busybox-b6afcc78194aa0801544bc606b9562339c846eb4.tar.gz | |
shell: suppress "unused var/func" warnings on some configs
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | shell/ash.c | 12 | ||||
| -rw-r--r-- | shell/hush.c | 8 |
2 files changed, 10 insertions, 10 deletions
diff --git a/shell/ash.c b/shell/ash.c index 2bdb4aa..91bcccb 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -11373,13 +11373,13 @@ readtoken1(int c, int syntax, char *eofmark, int striptabs) smallint quotef; smallint dblquote; smallint oldstyle; - smallint prevsyntax; /* syntax before arithmetic */ + IF_SH_MATH_SUPPORT(smallint prevsyntax;) /* syntax before arithmetic */ #if ENABLE_ASH_EXPAND_PRMT smallint pssyntax; /* we are expanding a prompt string */ #endif int varnest; /* levels of variables expansion */ - int arinest; /* levels of arithmetic expansion */ - int parenlevel; /* levels of parens in arithmetic */ + IF_SH_MATH_SUPPORT(int arinest;) /* levels of arithmetic expansion */ + IF_SH_MATH_SUPPORT(int parenlevel;) /* levels of parens in arithmetic */ int dqvarnest; /* levels of variables expansion within double quotes */ IF_ASH_BASH_COMPAT(smallint bash_dollar_squote = 0;) @@ -11387,7 +11387,7 @@ readtoken1(int c, int syntax, char *eofmark, int striptabs) startlinno = g_parsefile->linno; bqlist = NULL; quotef = 0; - prevsyntax = 0; + IF_SH_MATH_SUPPORT(prevsyntax = 0;) #if ENABLE_ASH_EXPAND_PRMT pssyntax = (syntax == PSSYNTAX); if (pssyntax) @@ -11395,8 +11395,8 @@ readtoken1(int c, int syntax, char *eofmark, int striptabs) #endif dblquote = (syntax == DQSYNTAX); varnest = 0; - arinest = 0; - parenlevel = 0; + IF_SH_MATH_SUPPORT(arinest = 0;) + IF_SH_MATH_SUPPORT(parenlevel = 0;) dqvarnest = 0; STARTSTACKSTR(out); diff --git a/shell/hush.c b/shell/hush.c index bcd4dff..888be6e 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -1574,9 +1574,8 @@ static sighandler_t install_sighandler(int sig, sighandler_t handler) } static void hush_exit(int exitcode) NORETURN; -static void fflush_and__exit(void) NORETURN; -static void restore_ttypgrp_and__exit(void) NORETURN; +static void restore_ttypgrp_and__exit(void) NORETURN; static void restore_ttypgrp_and__exit(void) { /* xfunc has failed! die die die */ @@ -1585,6 +1584,8 @@ static void restore_ttypgrp_and__exit(void) hush_exit(xfunc_error_retval); } +#if ENABLE_HUSH_JOB + /* Needed only on some libc: * It was observed that on exit(), fgetc'ed buffered data * gets "unwound" via lseek(fd, -NUM, SEEK_CUR). @@ -1598,14 +1599,13 @@ static void restore_ttypgrp_and__exit(void) * and in `cmd` handling. * If set as die_func(), this makes xfunc_die() exit via _exit(), not exit(): */ +static void fflush_and__exit(void) NORETURN; static void fflush_and__exit(void) { fflush_all(); _exit(xfunc_error_retval); } -#if ENABLE_HUSH_JOB - /* After [v]fork, in child: do not restore tty pgrp on xfunc death */ # define disable_restore_tty_pgrp_on_exit() (die_func = fflush_and__exit) /* After [v]fork, in parent: restore tty pgrp on xfunc death */ |