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author | Jilles Tjoelker <jilles@FreeBSD.org> | 2016-01-03 21:30:22 +0000 |
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committer | Jilles Tjoelker <jilles@FreeBSD.org> | 2016-01-03 21:30:22 +0000 |
commit | d3fa2c78f2dc0f2638feab6e7c2c5263f42b5440 (patch) | |
tree | 21c43e175ed25cae61d18bdd8bbe0943c006e5de /bin | |
parent | d3e4bc1271f6d0df1dc6e728826c4c6423fbd2e5 (diff) | |
download | src-d3fa2c78f2dc0f2638feab6e7c2c5263f42b5440.tar.gz src-d3fa2c78f2dc0f2638feab6e7c2c5263f42b5440.zip |
Notes
Diffstat (limited to 'bin')
-rw-r--r-- | bin/sh/exec.c | 12 | ||||
-rwxr-xr-x | bin/sh/mkbuiltins | 15 |
2 files changed, 12 insertions, 15 deletions
diff --git a/bin/sh/exec.c b/bin/sh/exec.c index 7d18c3cfc62d..ab86b7639c9a 100644 --- a/bin/sh/exec.c +++ b/bin/sh/exec.c @@ -439,12 +439,14 @@ success: int find_builtin(const char *name, int *special) { - const struct builtincmd *bp; + const unsigned char *bp; + size_t len; - for (bp = builtincmd ; bp->name ; bp++) { - if (*bp->name == *name && equal(bp->name, name)) { - *special = bp->special; - return bp->code; + len = strlen(name); + for (bp = builtincmd ; *bp ; bp += 2 + bp[0]) { + if (bp[0] == len && memcmp(bp + 2, name, len) == 0) { + *special = (bp[1] & BUILTIN_SPECIAL) != 0; + return bp[1] & ~BUILTIN_SPECIAL; } } return -1; diff --git a/bin/sh/mkbuiltins b/bin/sh/mkbuiltins index 1be7ff149089..02be8ab45585 100755 --- a/bin/sh/mkbuiltins +++ b/bin/sh/mkbuiltins @@ -62,17 +62,16 @@ echo 'int (*const builtinfunc[])(int, char **) = {' awk '/^[^#]/ { printf "\t%s,\n", $1}' $temp echo '}; -const struct builtincmd builtincmd[] = {' +const unsigned char builtincmd[] = {' awk '{ for (i = 2 ; i <= NF ; i++) { if ($i == "-s") { spc = 1; } else { - printf "\t{ \"%s\", %d, %d },\n", $i, NR-1, spc + printf "\t\"\\%03o\\%03o%s\"\n", length($i), (spc ? 128 : 0) + NR-1, $i spc = 0; } }}' $temp -echo ' { NULL, 0, 0 } -};' +echo '};' exec > builtins.h cat <<\! @@ -85,14 +84,10 @@ cat <<\! tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp | awk '{ printf "#define %s %d\n", $1, NR-1}' echo ' -struct builtincmd { - const char *name; - int code; - int special; -}; +#define BUILTIN_SPECIAL 0x80 extern int (*const builtinfunc[])(int, char **); -extern const struct builtincmd builtincmd[]; +extern const unsigned char builtincmd[]; ' awk '{ printf "int %s(int, char **);\n", $1}' $temp rm -f $temp |