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| author | Richard Stallman <rms@gnu.org> | 1993-11-11 15:50:52 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1993-11-11 15:50:52 +0000 |
| commit | 10b8b0ba6971847336e0368bd2cdb62fe352767b (patch) | |
| tree | 451c56f2432991194375b354d4045f81abda1d60 /gcc/fix-header.c | |
| parent | ce95080d6da2a435c651a73c71caae6ff24f4412 (diff) | |
| download | gcc-10b8b0ba6971847336e0368bd2cdb62fe352767b.zip gcc-10b8b0ba6971847336e0368bd2cdb62fe352767b.tar.gz gcc-10b8b0ba6971847336e0368bd2cdb62fe352767b.tar.bz2 | |
(fancy_abort): Defined.
(write_rbrac): When adding proto for memmove,
put it inside #ifndef memmove.
From-SVN: r6071
Diffstat (limited to 'gcc/fix-header.c')
| -rw-r--r-- | gcc/fix-header.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/gcc/fix-header.c b/gcc/fix-header.c index 74a9688..3a08d93 100644 --- a/gcc/fix-header.c +++ b/gcc/fix-header.c @@ -112,15 +112,26 @@ int seen_S_IFDIR = 0, seen_S_ISDIR = 0; int seen_S_IFIFO = 0, seen_S_ISFIFO = 0; int seen_S_IFLNK = 0, seen_S_ISLNK = 0; int seen_S_IFREG = 0, seen_S_ISREG = 0; - + /* Wrapper around free, to avoid prototype clashes. */ -void xfree (ptr) +void +xfree (ptr) char *ptr; { free (ptr); } +/* Avoid error if config defines abort as fancy_abort. + It's not worth "really" implementing this because ordinary + compiler users never run fix-header. */ + +void +fancy_abort () +{ + abort (); +} + #define obstack_chunk_alloc xmalloc #define obstack_chunk_free xfree struct obstack scan_file_obstack; @@ -360,11 +371,23 @@ write_rbrac () /* Now we print out prototypes for those functions that we haven't seen. */ for (rptr = required_functions; *rptr; rptr++) { + int macro_protect = 0; + fn = lookup_std_proto (*rptr); if (fn == NULL || !REQUIRED (fn)) continue; + + /* In the case of memmove, protect in case the application + defines it as a macro before including the header. */ + if (!strcmp (fn->fname, "memmove")) + macro_protect = 1; + + if (macro_protect) + fprintf (outf, "#ifndef %s\n", fn->fname); fprintf (outf, "extern %s %s (%s);\n", fn->rtype, fn->fname, fn->params); + if (macro_protect) + fprintf (outf, "#endif\n"); } if (required_unseen_count) fprintf (outf, |