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| author | herbert <herbert@gondor.apana.org.au> | 2005-02-25 21:48:59 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2005-09-26 18:33:03 +1000 |
| commit | 0f6e68ff04886875613506f6d6fb3fd88ed1ec25 (patch) | |
| tree | 2a425ff3fc3b22244cdd547a3dd1cc7ea7a58168 | |
| parent | Corrected grammar in manual page. (diff) | |
| download | dash-0f6e68ff04886875613506f6d6fb3fd88ed1ec25.tar.gz dash-0f6e68ff04886875613506f6d6fb3fd88ed1ec25.zip | |
Size optimisations with state/s in main().
Diffstat (limited to '')
| -rw-r--r-- | ChangeLog | 1 | ||||
| -rw-r--r-- | src/main.c | 14 |
2 files changed, 9 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog index 2fc7ea4..f26353d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -6,6 +6,7 @@ * Changed boolean rootshell into shlvl counter. * Catch set -e exits within built-in commands. + * Size optimisations with state/s in main(). 2005-01-31 Gerrit Pape <pape@smarden.org> diff --git a/src/main.c b/src/main.c index 4902cfa..9b5a409 100644 --- a/src/main.c +++ b/src/main.c @@ -122,11 +122,13 @@ main(int argc, char **argv) monitor(4, etext, profile_buf, sizeof profile_buf, 50); #endif state = 0; - if (setjmp(jmploc.loc)) { + if (unlikely(setjmp(jmploc.loc))) { int status; int e; + int s; reset(); + s = state; e = exception; switch (exception) { @@ -140,7 +142,7 @@ main(int argc, char **argv) case EXEXIT: case EXEVAL: - state = 0; + s = 0; /* fall through */ default: status = exitstatus; @@ -148,7 +150,7 @@ main(int argc, char **argv) } exitstatus = status; - if (state == 0 || iflag == 0 || shlvl) + if (s == 0 || iflag == 0 || shlvl) exitshell(); if (e == EXINT @@ -163,11 +165,11 @@ main(int argc, char **argv) } popstackmark(&smark); FORCEINTON; /* enable interrupts */ - if (state == 1) + if (s == 1) goto state1; - else if (state == 2) + else if (s == 2) goto state2; - else if (state == 3) + else if (s == 3) goto state3; else goto state4; |