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dnpds40: Comment updates.

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This commit is contained in:
Solomon Peachy 2015-08-29 07:13:59 -04:00
parent 7a37ea6686
commit 8d2f7bcc44
1 changed files with 4 additions and 1 deletions
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5
backend_dnpds40.c
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@ -701,7 +701,8 @@ static int dnpds40_read_parse(void *vctx, int data_fd) {
memcpy(buf, ctx->databuf + ctx->datalen + 32, 8);
ctx->multicut = atoi(buf);
/* Backend handles rewind support */
/* Backend automatically handles rewind support, so
ignore application requests to use it. */
if (ctx->multicut > 400)
ctx->multicut -= 400;
}
@ -755,9 +756,11 @@ static int dnpds40_read_parse(void *vctx, int data_fd) {
ctx->datalen += sizeof(struct dnpds40_cmd) + j;
}
/* If we have no data.. don't bother */
if (!ctx->datalen)
return CUPS_BACKEND_CANCEL;
/* Make sure MULTICUT is sane, most validation needs this */
if (!ctx->multicut) {
WARNING("Missing or illegal MULTICUT command!\n");
if (dpi == 300)