diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 54 | ||||
| -rw-r--r-- | shell/ash_test/ash-arith/arith-bash1.right | 2 | ||||
| -rwxr-xr-x | shell/ash_test/ash-arith/arith-bash1.tests | 5 | ||||
| -rw-r--r-- | shell/ash_test/ash-vars/var_bash1.right | 14 | ||||
| -rwxr-xr-x | shell/ash_test/ash-vars/var_bash1.tests | 18 | ||||
| -rw-r--r-- | shell/ash_test/ash-vars/var_bash2.right | 10 | ||||
| -rwxr-xr-x | shell/ash_test/ash-vars/var_bash2.tests | 24 |
7 files changed, 115 insertions, 12 deletions
diff --git a/shell/ash.c b/shell/ash.c index 9024d78..3651929 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -8470,8 +8470,10 @@ static const struct builtincmd builtintab[] = { { BUILTIN_SPEC_REG ":", truecmd }, #if ENABLE_ASH_BUILTIN_TEST { BUILTIN_REGULAR "[", testcmd }, +#if ENABLE_ASH_BASH_COMPAT { BUILTIN_REGULAR "[[", testcmd }, #endif +#endif #if ENABLE_ASH_ALIAS { BUILTIN_REG_ASSG "alias", aliascmd }, #endif @@ -8534,17 +8536,25 @@ static const struct builtincmd builtintab[] = { { BUILTIN_REGULAR "wait", waitcmd }, }; - -#define COMMANDCMD (builtintab + 5 + \ - 2 * ENABLE_ASH_BUILTIN_TEST + \ - ENABLE_ASH_ALIAS + \ - ENABLE_ASH_JOB_CONTROL) -#define EXECCMD (builtintab + 7 + \ - 2 * ENABLE_ASH_BUILTIN_TEST + \ - ENABLE_ASH_ALIAS + \ - ENABLE_ASH_JOB_CONTROL + \ - ENABLE_ASH_CMDCMD + \ - ENABLE_ASH_BUILTIN_ECHO) +/* Should match the above table! */ +#define COMMANDCMD (builtintab + \ + 2 + \ + 1 * ENABLE_ASH_BUILTIN_TEST + \ + 1 * ENABLE_ASH_BUILTIN_TEST * ENABLE_ASH_BASH_COMPAT + \ + 1 * ENABLE_ASH_ALIAS + \ + 1 * ENABLE_ASH_JOB_CONTROL + \ + 3) +#define EXECCMD (builtintab + \ + 2 + \ + 1 * ENABLE_ASH_BUILTIN_TEST + \ + 1 * ENABLE_ASH_BUILTIN_TEST * ENABLE_ASH_BASH_COMPAT + \ + 1 * ENABLE_ASH_ALIAS + \ + 1 * ENABLE_ASH_JOB_CONTROL + \ + 3 + \ + 1 * ENABLE_ASH_CMDCMD + \ + 1 + \ + ENABLE_ASH_BUILTIN_ECHO + \ + 1) /* * Search the table of builtin commands. @@ -10048,6 +10058,9 @@ simplecmd(void) union node *vars, **vpp; union node **rpp, *redir; int savecheckkwd; +#if ENABLE_ASH_BASH_COMPAT + smallint double_brackets_flag = 0; +#endif args = NULL; app = &args; @@ -10058,13 +10071,30 @@ simplecmd(void) savecheckkwd = CHKALIAS; for (;;) { + int t; checkkwd = savecheckkwd; - switch (readtoken()) { + t = readtoken(); + switch (t) { +#if ENABLE_ASH_BASH_COMPAT + case TAND: /* "&&" */ + case TOR: /* "||" */ + if (!double_brackets_flag) { + tokpushback = 1; + goto out; + } + wordtext = (char *) (t == TAND ? "-a" : "-o"); +#endif case TWORD: n = stzalloc(sizeof(struct narg)); n->type = NARG; /*n->narg.next = NULL; - stzalloc did it */ n->narg.text = wordtext; +#if ENABLE_ASH_BASH_COMPAT + if (strcmp("[[", wordtext) == 0) + double_brackets_flag = 1; + else if (strcmp("]]", wordtext) == 0) + double_brackets_flag = 0; +#endif n->narg.backquote = backquotelist; if (savecheckkwd && isassignment(wordtext)) { *vpp = n; diff --git a/shell/ash_test/ash-arith/arith-bash1.right b/shell/ash_test/ash-arith/arith-bash1.right new file mode 100644 index 0000000..b261da1 --- /dev/null +++ b/shell/ash_test/ash-arith/arith-bash1.right @@ -0,0 +1,2 @@ +1 +0 diff --git a/shell/ash_test/ash-arith/arith-bash1.tests b/shell/ash_test/ash-arith/arith-bash1.tests new file mode 100755 index 0000000..b37b730 --- /dev/null +++ b/shell/ash_test/ash-arith/arith-bash1.tests @@ -0,0 +1,5 @@ +# checks for [[ ]] + +# && and || +[[ a && "" ]]; echo $? +[[ a || "" ]]; echo $? diff --git a/shell/ash_test/ash-vars/var_bash1.right b/shell/ash_test/ash-vars/var_bash1.right new file mode 100644 index 0000000..c0a0769 --- /dev/null +++ b/shell/ash_test/ash-vars/var_bash1.right @@ -0,0 +1,14 @@ + + +f +bcdef +abcdef +abcdef +bcde +abcd +abcd +abcdef +bcdef +abcdef +abcdef +abcdef diff --git a/shell/ash_test/ash-vars/var_bash1.tests b/shell/ash_test/ash-vars/var_bash1.tests new file mode 100755 index 0000000..24d3c9a --- /dev/null +++ b/shell/ash_test/ash-vars/var_bash1.tests @@ -0,0 +1,18 @@ +var=abcdef + +echo ${var:7} +echo ${var:6} +echo ${var:5} +echo ${var:1} +echo ${var:0} +echo ${var:-1} + +echo ${var:1:4} +echo ${var:0:4} +echo ${var::4} +echo ${var:-1:4} + +echo ${var:1:7} +echo ${var:0:7} +echo ${var::7} +echo ${var:-1:7} diff --git a/shell/ash_test/ash-vars/var_bash2.right b/shell/ash_test/ash-vars/var_bash2.right new file mode 100644 index 0000000..acba5c6 --- /dev/null +++ b/shell/ash_test/ash-vars/var_bash2.right @@ -0,0 +1,10 @@ +abc123xcba123 +abx123dcba123 +abx123dxba123 +abcx23dcba123 +abcxxxdcbaxxx +abx +xba123 +abx23 +abc23dcba123 +abcdcba diff --git a/shell/ash_test/ash-vars/var_bash2.tests b/shell/ash_test/ash-vars/var_bash2.tests new file mode 100755 index 0000000..29c526c --- /dev/null +++ b/shell/ash_test/ash-vars/var_bash2.tests @@ -0,0 +1,24 @@ +var=abc123dcba123 + +echo ${var/d/x} +echo ${var/c/x} +echo ${var//c/x} +echo ${var/[123]/x} +echo ${var//[123]/x} +echo ${var/c*/x} +echo ${var/*c/x} + +# must match longest match: result is "abx23" +echo ${var/c*1/x} + +# empty replacement - 2nd slash can be omitted +echo ${var/[123]} +echo ${var//[123]} + +### ash doesn't support +### # match only at the beginning: +### echo ${var/#a/x} +### echo ${var/#b/x} # should not match +### echo ${var//#b/x} # should not match +### # match only at the end: +### echo ${var/%3/x} |