Changeset 3232 in MondoRescue for branches/3.2/mindi-busybox/coreutils/expr.c
- Timestamp:
- Jan 1, 2014, 12:47:38 AM (10 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
branches/3.2/mindi-busybox/coreutils/expr.c
r2725 r3232 26 26 /* no getopt needed */ 27 27 28 //usage:#define expr_trivial_usage 29 //usage: "EXPRESSION" 30 //usage:#define expr_full_usage "\n\n" 31 //usage: "Print the value of EXPRESSION to stdout\n" 32 //usage: "\n" 33 //usage: "EXPRESSION may be:\n" 34 //usage: " ARG1 | ARG2 ARG1 if it is neither null nor 0, otherwise ARG2\n" 35 //usage: " ARG1 & ARG2 ARG1 if neither argument is null or 0, otherwise 0\n" 36 //usage: " ARG1 < ARG2 1 if ARG1 is less than ARG2, else 0. Similarly:\n" 37 //usage: " ARG1 <= ARG2\n" 38 //usage: " ARG1 = ARG2\n" 39 //usage: " ARG1 != ARG2\n" 40 //usage: " ARG1 >= ARG2\n" 41 //usage: " ARG1 > ARG2\n" 42 //usage: " ARG1 + ARG2 Sum of ARG1 and ARG2. Similarly:\n" 43 //usage: " ARG1 - ARG2\n" 44 //usage: " ARG1 * ARG2\n" 45 //usage: " ARG1 / ARG2\n" 46 //usage: " ARG1 % ARG2\n" 47 //usage: " STRING : REGEXP Anchored pattern match of REGEXP in STRING\n" 48 //usage: " match STRING REGEXP Same as STRING : REGEXP\n" 49 //usage: " substr STRING POS LENGTH Substring of STRING, POS counted from 1\n" 50 //usage: " index STRING CHARS Index in STRING where any CHARS is found, or 0\n" 51 //usage: " length STRING Length of STRING\n" 52 //usage: " quote TOKEN Interpret TOKEN as a string, even if\n" 53 //usage: " it is a keyword like 'match' or an\n" 54 //usage: " operator like '/'\n" 55 //usage: " (EXPRESSION) Value of EXPRESSION\n" 56 //usage: "\n" 57 //usage: "Beware that many operators need to be escaped or quoted for shells.\n" 58 //usage: "Comparisons are arithmetic if both ARGs are numbers, else\n" 59 //usage: "lexicographical. Pattern matches return the string matched between\n" 60 //usage: "\\( and \\) or null; if \\( and \\) are not used, they return the number\n" 61 //usage: "of characters matched or 0." 62 28 63 #include "libbb.h" 29 64 #include "xregex.h" … … 66 101 } FIX_ALIASING; 67 102 #define G (*(struct globals*)&bb_common_bufsiz1) 103 #define INIT_G() do { } while (0) 68 104 69 105 /* forward declarations */ … … 485 521 VALUE *v; 486 522 523 INIT_G(); 524 487 525 xfunc_error_retval = 2; /* coreutils compat */ 488 526 G.args = argv + 1;
Note:
See TracChangeset
for help on using the changeset viewer.