Getting list of functions in a header file

[none]

Hi,
I am wondering if anyone has some insight into a way to get the names of
the functions that are defined in a C header file.

What I am trying to do is develop tests for a large amount of C files.

i have written a Perl script to traverse the directory tree looking for
..h files. i find them and then comes the hard part.
I have found that searching for ";" and then going backwards looking for
close and then open parens gets me to the name, then backing over
whitespace until I find text then getting to the beginning of the text
can give me the name (does this sound like it might net me most of the
functions names ?).

but it can get hairy, since the signatures might not be all on the
same line. I am a newbie to Perl, so that is also a hinderance.

this is what I am trying to accomplish:
I want to open those .h, find the names of the functions, and write a
new .c file that contains test routines for the functions.
For example, if a header file unita.h has 3 functions A, B, C I want to
generate a file called test_unita.c that contains 3 functions,
test_a, test_b, test_c, and a main that calls the 3 functions.
The function bodies for test_a, test_b, test_c will be filled in by
hand, so all I need is the names of the functions.

thanks for reading !
Joe Simon
Newark Valley, NY

[Ben Pfaff]

none <""root\"@(none)"writes:

I am wondering if anyone has some insight into a way to get the names
of the functions that are defined in a C header file.

I'd use an existing program that can already do that, such as
ctags or cscope.
--
int main(void){char p[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuv wxyz.\
\n",*q="kl BIcNBFr.NKEzjwCIxNJC";int i=sizeof p/2;char *strchr();int putchar(\
);while(*q){i+=strchr(p,*q++)-p;if(i>=(int)sizeof p)i-=sizeof p-1;putchar(p[i]\
);}return 0;}

[Gordon Burditt]

>I am wondering if anyone has some insight into a way to get the names of

>the functions that are defined in a C header file.

Header files rarely *define* functions; they often declare them, though.

>What I am trying to do is develop tests for a large amount of C files.

i have written a Perl script to traverse the directory tree looking for
.h files. i find them and then comes the hard part.

Look at the program "cproto", which generates declarations
for functions in C programs, and obviously knows how to parse
C files.

>I have found that searching for ";" and then going backwards looking for
close and then open parens gets me to the name, then backing over
whitespace until I find text then getting to the beginning of the text
can give me the name (does this sound like it might net me most of the
functions names ?).

but it can get hairy, since the signatures might not be all on the
same line. I am a newbie to Perl, so that is also a hinderance.

this is what I am trying to accomplish:
I want to open those .h, find the names of the functions, and write a
new .c file that contains test routines for the functions.
For example, if a header file unita.h has 3 functions A, B, C I want to
generate a file called test_unita.c that contains 3 functions,
test_a, test_b, test_c, and a main that calls the 3 functions.
The function bodies for test_a, test_b, test_c will be filled in by
hand, so all I need is the names of the functions.

[santosh]

none wrote:

Hi,
I am wondering if anyone has some insight into a way to get the names of
the functions that are defined in a C header file.

I've used the ctags utility for this purpose before.

[none]

santosh wrote:

none wrote:

>Hi,
I am wondering if anyone has some insight into a way to get the names of
the functions that are defined in a C header file.

I've used the ctags utility for this purpose before.

OK thanks for all the replies, everyone... I'll give check these out !

Joe