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authormidipix <writeonce@midipix.org>2016-10-25 23:01:59 -0400
committermidipix <writeonce@midipix.org>2016-10-25 23:01:59 -0400
commitdeb77f01ce96ff9b46cd8706fabd6ee6b6b17f22 (patch)
treee75d0038d97065f69b3d5db6cfe570a50edde65c
parent47a21b92c285ac4d5f4b1b9faf757311269725fd (diff)
downloadsofort-deb77f01ce96ff9b46cd8706fabd6ee6b6b17f22.tar.bz2
sofort-deb77f01ce96ff9b46cd8706fabd6ee6b6b17f22.tar.xz
sfrt_map_input(): improved error trace support.
-rw-r--r--src/logic/sfrt_map_input.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/logic/sfrt_map_input.c b/src/logic/sfrt_map_input.c
index 77cc40e..d73ace6 100644
--- a/src/logic/sfrt_map_input.c
+++ b/src/logic/sfrt_map_input.c
@@ -29,9 +29,16 @@ int sfrt_map_input(
if ((ret = fstat(fd,&st) < 0) && fnew)
close(fd);
+ else if ((st.st_size == 0) && fnew)
+ close(fd);
+
if (ret < 0)
return SFRT_SYSTEM_ERROR(dctx);
+ else if (st.st_size == 0)
+ return SFRT_CUSTOM_ERROR(
+ dctx,SFRT_ERR_SOURCE_SIZE_ZERO);
+
map->size = st.st_size;
map->addr = mmap(0,map->size,prot,MAP_PRIVATE,fd,0);