libansilove

commit 5dc6297a5952836e3e5f8465488dbbaa281f15bb
parent bd98f066fa392005d8d9ff6f835cf3610101f054
Author: Frederic Cambus <fred@statdns.com>
Date:   Fri, 16 Nov 2018 12:03:59 +0100

Introduce a maplen variable to allow tracking mmap size, as we can't rely on the length variable because of SAUCE

Diffstat:
M
include/ansilove.h
 | 
1
+
M
src/loadfile.c
 | 
4
++--

2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/ansilove.h b/include/ansilove.h
@@ -72,6 +72,7 @@ struct ansilove_png {
 
 struct ansilove_ctx {
 	uint8_t *buffer;
+	size_t maplen;
 	size_t length;
 	struct ansilove_png png;
 	uint8_t error;
diff --git a/src/loadfile.c b/src/loadfile.c
@@ -41,10 +41,10 @@ ansilove_loadfile(struct ansilove_ctx *ctx, char *input) {
 		return -1;
 	}
 
-	ctx->length = st.st_size;
+	ctx->maplen = ctx->length = st.st_size;
 
 	/* mmap input file into memory */
-	ctx->buffer = mmap(NULL, ctx->length, PROT_READ, MAP_PRIVATE, fd, 0);
+	ctx->buffer = mmap(NULL, ctx->maplen, PROT_READ, MAP_PRIVATE, fd, 0);
 	if (ctx->buffer == MAP_FAILED) {
 		ctx->error = ANSILOVE_MEMORY_ERROR;
 		close(fd);