Messages in this thread | | | Date | Tue, 9 Oct 2007 08:56:36 -0700 | From | Randy Dunlap <> | Subject | Re: [PATCH] Stop docproc segfaulting when SRCTREE isn't set. |
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On Tue, 9 Oct 2007 01:25:18 -0500 Rob Landley wrote:
> From: Rob Landley <rob@landley.net> > > Prevent docproc from segfaulting when SRCTREE isn't set. > > Signed-off-by: Rob Landley <rob@landley.net>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
but needs 2 coding style fixes... see near end, below.
> --- > > scripts/basic/docproc.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff -r a26a53ed1101 scripts/basic/docproc.c > --- a/scripts/basic/docproc.c Sun Oct 07 16:42:22 2007 -0700 > +++ b/scripts/basic/docproc.c Tue Oct 09 01:08:54 2007 -0500 > @@ -64,12 +64,15 @@ FILELINE * entity_system; > #define FUNCTION "-function" > #define NOFUNCTION "-nofunction" > > +char *srctree; > + > void usage (void) > { > fprintf(stderr, "Usage: docproc {doc|depend} file\n"); > fprintf(stderr, "Input is read from file.tmpl. Output is sent to stdout\n"); > fprintf(stderr, "doc: frontend when generating kernel documentation\n"); > fprintf(stderr, "depend: generate list of files referenced within file\n"); > + fprintf(stderr, "Environment variable SRCTREE: absolute path to kernel source tree.\n"); > } > > /* > @@ -88,7 +91,7 @@ void exec_kernel_doc(char **svec) > exit(1); > case 0: > memset(real_filename, 0, sizeof(real_filename)); > - strncat(real_filename, getenv("SRCTREE"), PATH_MAX); > + strncat(real_filename, srctree, PATH_MAX); > strncat(real_filename, KERNELDOCPATH KERNELDOC, > PATH_MAX - strlen(real_filename)); > execvp(real_filename, svec); > @@ -168,7 +171,7 @@ void find_export_symbols(char * filename > if (filename_exist(filename) == NULL) { > char real_filename[PATH_MAX + 1]; > memset(real_filename, 0, sizeof(real_filename)); > - strncat(real_filename, getenv("SRCTREE"), PATH_MAX); > + strncat(real_filename, srctree, PATH_MAX); > strncat(real_filename, filename, > PATH_MAX - strlen(real_filename)); > sym = add_new_file(filename); > @@ -335,6 +338,9 @@ int main(int argc, char *argv[]) > int main(int argc, char *argv[]) > { > FILE * infile; > + > + srctree = getenv("SRCTREE"); > + if (!srctree) srctree = getcwd(NULL,0);
if (!srctree) srctree = getcwd(NULL, 0);
> if (argc != 3) { > usage(); > exit(1); > > --
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