diff options
| -rw-r--r-- | lib/util/shhopt.c | 2 | ||||
| -rw-r--r-- | lib/util/shhopt.h | 17 |
2 files changed, 14 insertions, 5 deletions
diff --git a/lib/util/shhopt.c b/lib/util/shhopt.c index 4f7ce9c7..ccf2d1eb 100644 --- a/lib/util/shhopt.c +++ b/lib/util/shhopt.c @@ -77,7 +77,7 @@ optFatalFunc(const char *format, ...) | | RETURNS Number of options in the given array. | - | DESCRIPTION Count elements in an optStruct-array. The strcture must + | DESCRIPTION Count elements in an optStruct-array. The structure must | be ended using an element of type OPT_END. */ static int diff --git a/lib/util/shhopt.h b/lib/util/shhopt.h index 6be7f411..9a446290 100644 --- a/lib/util/shhopt.h +++ b/lib/util/shhopt.h @@ -22,7 +22,8 @@ main ( int argc, char **argv ) { optStruct3 opt; unsigned int option_def_index = 0; - optEntry *option_def = malloc(100*sizeof(option_def[0])); + optEntry * option_def; + MALLOCARRAY(option_def, 100); OPTENT3(0, "help", OPT_FLAG, &help_flag, &help_spec, 0); OPTENT3(0, "height", OPT_INT, &height, &height_spec, 0); @@ -69,6 +70,13 @@ Now run this program with something like myprog -v /etc/passwd -name=Bryan --hei=4 + If your program takes no options (so you have no OPTENT3 macro invocations), + you need an OPTENTINIT call to establish the empty option table: + + optEntry * option_def; + MALLOCARRAY(option_def, 1); + OPTENTINIT; + ======================================================================== #endif /* 0 */ @@ -190,9 +198,10 @@ typedef struct { } /* OPTENT3 is the same as OPTENTRY except that it also sets the "specified" - element of the table entry (so it assumes OPTION_DEF is a table of - optEntry instead of optStruct). It sets it to the number of times that - the option appears in the command line. + element of the table entry (so it assumes OPTION_DEF is a table of optEntry + instead of optStruct). This is a pointer to a variable that the parser + will set to the number of times that the option appears in the command + line. Here is an example: |