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authorMilton Miller <miltonm@bga.com>2007-03-21 09:02:44 -0600
committerPaul Mackerras <paulus@samba.org>2007-03-26 15:11:20 +1000
commit6a923216aac01d0f3eeea606377b81541f1a2773 (patch)
tree77e88aa9ce939ba895d49c17ca7dcb28fe8672df /arch/powerpc/boot/gunzip_util.c
parent3771f2d9a46ca3b57e473afe929196efad7f3aa6 (diff)
[POWERPC] bootwrapper: Add a fatal error helper
Add a macro fatal that calls printf then exit. User must include stdio.h. Typically replaces 3 lines with 1, although I added back some whitespace. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/boot/gunzip_util.c')
-rw-r--r--arch/powerpc/boot/gunzip_util.c36
1 files changed, 12 insertions, 24 deletions
diff --git a/arch/powerpc/boot/gunzip_util.c b/arch/powerpc/boot/gunzip_util.c
index f7c95f24fcdd..8a97adfac659 100644
--- a/arch/powerpc/boot/gunzip_util.c
+++ b/arch/powerpc/boot/gunzip_util.c
@@ -52,18 +52,14 @@ void gunzip_start(struct gunzip_state *state, void *src, int srclen)
int r, flags;
state->s.workspace = state->scratch;
- if (zlib_inflate_workspacesize() > sizeof(state->scratch)) {
- printf("insufficient scratch space for gunzip\n\r");
- exit();
- }
+ if (zlib_inflate_workspacesize() > sizeof(state->scratch))
+ fatal("insufficient scratch space for gunzip\n\r");
/* skip header */
hdrlen = 10;
flags = hdr[3];
- if (hdr[2] != Z_DEFLATED || (flags & RESERVED) != 0) {
- printf("bad gzipped data\n\r");
- exit();
- }
+ if (hdr[2] != Z_DEFLATED || (flags & RESERVED) != 0)
+ fatal("bad gzipped data\n\r");
if ((flags & EXTRA_FIELD) != 0)
hdrlen = 12 + hdr[10] + (hdr[11] << 8);
if ((flags & ORIG_NAME) != 0)
@@ -74,16 +70,12 @@ void gunzip_start(struct gunzip_state *state, void *src, int srclen)
;
if ((flags & HEAD_CRC) != 0)
hdrlen += 2;
- if (hdrlen >= srclen) {
- printf("gunzip_start: ran out of data in header\n\r");
- exit();
- }
+ if (hdrlen >= srclen)
+ fatal("gunzip_start: ran out of data in header\n\r");
r = zlib_inflateInit2(&state->s, -MAX_WBITS);
- if (r != Z_OK) {
- printf("inflateInit2 returned %d\n\r", r);
- exit();
- }
+ if (r != Z_OK)
+ fatal("inflateInit2 returned %d\n\r", r);
}
state->s.next_in = src + hdrlen;
@@ -117,10 +109,8 @@ int gunzip_partial(struct gunzip_state *state, void *dst, int dstlen)
state->s.next_out = dst;
state->s.avail_out = dstlen;
r = zlib_inflate(&state->s, Z_FULL_FLUSH);
- if (r != Z_OK && r != Z_STREAM_END) {
- printf("inflate returned %d msg: %s\n\r", r, state->s.msg);
- exit();
- }
+ if (r != Z_OK && r != Z_STREAM_END)
+ fatal("inflate returned %d msg: %s\n\r", r, state->s.msg);
len = state->s.next_out - (unsigned char *)dst;
} else {
/* uncompressed image */
@@ -151,10 +141,8 @@ void gunzip_exactly(struct gunzip_state *state, void *dst, int dstlen)
int len;
len = gunzip_partial(state, dst, dstlen);
- if (len < dstlen) {
- printf("gunzip_block: ran out of data\n\r");
- exit();
- }
+ if (len < dstlen)
+ fatal("gunzip_block: ran out of data\n\r");
}
/**