diff options
| -rw-r--r-- | uxd.1 | 17 | ||||
| -rw-r--r-- | uxd.c | 3 | ||||
| -rw-r--r-- | uxd.rst | 17 |
3 files changed, 23 insertions, 14 deletions
@@ -59,6 +59,12 @@ over the environment. Options can be bundled: \fB\-ubc1234\fP is the same as \fB\-u\fP \fB\-b\fP \fB\-c 1234\fP\&. The one exception is the \fB\-n\fP option, which should appear by itself. +.sp +The options that accept numbers (\fB\-l\fP, \fB\-o\fP, \fB\-s\fP, and \fB\-S\fP) +allow decimal, hex (with \fI0x\fP prefix), or octal (with \fI0\fP prefix). +Also, you can use the suffixes \fIk\fP, \fIm\fP, and \fIg\fP for power\-of\-2 based +kilobytes, megabytes, or gigabytes (e.g. \fI1k\fP is 1024 bytes), as well +as \fIK\fP, \fIM\fP, and \fIG\fP for power\-of\-10 based (e.g. \fI1K\fP is 1000 bytes). .\" the comments are turned into the --help message by mkusage.pl. . .INDENT 0.0 @@ -118,8 +124,7 @@ bad sequences. .BI \-l \ length Stop dumping after \fIlength\fP bytes (not characters). If the limit is reached in the middle of a multibyte character, the entire character -will be dumped. Can be given in decimal, hex (with \fI0x\fP prefix), or -octal (with \fI0\fP prefix). Negative \fIlength\fP doesn\(aqt make sense, and +will be dumped. Negative \fIlength\fP doesn\(aqt make sense, and is an error. .UNINDENT .\" stop dumping after <length> bytes (not characters). @@ -146,8 +151,7 @@ bundled with other options (e.g. use \fB\-n \-u\fP, not \fB\-nu\fP). .TP .BI \-o \ offset Add this amount to the hex offsets (left column). May be negative, -if you can think of a reason to want it to be. Can be given in -decimal, hex (with \fI0x\fP prefix), or octal (with \fI0\fP prefix). +if you can think of a reason to want it to be. .UNINDENT .\" added to hex offsets (decimal, 0x hex, 0 octal). . @@ -165,15 +169,14 @@ output. Ignored if \fB\-m\fP given. Seek in input before starting to dump. \fIpos\fP is bytes, not characters. Positive \fIpos\fP means seek from the start of the input. Negative \fIpos\fP only works on files (not standard input); -it means seek backward from EOF. Can be given in decimal, hex (with -\fI0x\fP prefix), or octal (with \fI0\fP prefix). +it means seek backward from EOF. .UNINDENT .\" seek in input before dumping (-pos = seek back from EOF). . .INDENT 0.0 .TP .BI \-S \ pos -Same as \fB\-s\fP, but file offsets start at 0 rather than the +Same as \fB\-s\fP, but the displayed offsets start at 0 rather than the position after seeking. \fB\-S 100\fP is the same as \fB\-s 100 \-o \-100\fP\&. Works with negative \fIpos\fP, too. .UNINDENT @@ -205,6 +205,9 @@ long parse_number(int opt, const char *s) { result = strtol(s, &e, 0); + /* buglet here: 100x is correctly rejected, but 100kx is allowed + (the x is ignored). not gonna worry about it. some people might + even make use of it: 100kb or 100Kb will work. */ switch(*e) { case 0: break; case 'k': result *= 1024L; break; @@ -50,6 +50,12 @@ Options can be bundled: **-ubc1234** is the same as **-u** **-b** **-c 1234**. The one exception is the **-n** option, which should appear by itself. +The options that accept numbers (**-l**, **-o**, **-s**, and **-S**) +allow decimal, hex (with *0x* prefix), or octal (with *0* prefix). +Also, you can use the suffixes *k*, *m*, and *g* for power-of-2 based +kilobytes, megabytes, or gigabytes (e.g. *1k* is 1024 bytes), as well +as *K*, *M*, and *G* for power-of-10 based (e.g. *1K* is 1000 bytes). + .. the comments are turned into the --help message by mkusage.pl. -1 @@ -95,8 +101,7 @@ by itself. -l length Stop dumping after *length* bytes (not characters). If the limit is reached in the middle of a multibyte character, the entire character - will be dumped. Can be given in decimal, hex (with *0x* prefix), or - octal (with *0* prefix). Negative *length* doesn't make sense, and + will be dumped. Negative *length* doesn't make sense, and is an error. .. stop dumping after <length> bytes (not characters). @@ -117,8 +122,7 @@ by itself. -o offset Add this amount to the hex offsets (left column). May be negative, - if you can think of a reason to want it to be. Can be given in - decimal, hex (with *0x* prefix), or octal (with *0* prefix). + if you can think of a reason to want it to be. .. added to hex offsets (decimal, 0x hex, 0 octal). @@ -132,13 +136,12 @@ by itself. Seek in input before starting to dump. *pos* is bytes, not characters. Positive *pos* means seek from the start of the input. Negative *pos* only works on files (not standard input); - it means seek backward from EOF. Can be given in decimal, hex (with - *0x* prefix), or octal (with *0* prefix). + it means seek backward from EOF. .. seek in input before dumping (-pos = seek back from EOF). -S pos - Same as **-s**, but file offsets start at 0 rather than the + Same as **-s**, but the displayed offsets start at 0 rather than the position after seeking. **-S 100** is the same as **-s 100 -o -100**. Works with negative *pos*, too. |