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| author | midipix <writeonce@midipix.org> | 2016-10-26 21:04:18 -0400 |
|---|---|---|
| committer | midipix <writeonce@midipix.org> | 2016-10-26 22:10:30 -0400 |
| commit | 2c6143fdb0cc12997a2a09268f4797931f73947d (patch) | |
| tree | f3c4a1c67d043e5057df4d953e66dd2918b0c65e | |
| parent | bb5e477926b1aa1732c862b34e3b515406b18bc5 (diff) | |
| download | apimagic-2c6143fdb0cc12997a2a09268f4797931f73947d.tar.bz2 apimagic-2c6143fdb0cc12997a2a09268f4797931f73947d.tar.xz | |
amgc_map_input(): improved error trace support.
| -rw-r--r-- | src/logic/amgc_map_input.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/logic/amgc_map_input.c b/src/logic/amgc_map_input.c index b4e07ea..c0d4a2b 100644 --- a/src/logic/amgc_map_input.c +++ b/src/logic/amgc_map_input.c @@ -35,9 +35,16 @@ int amgc_map_input( if ((ret = fstat(fd,&st) < 0) && fnew) close(fd); + else if ((st.st_size == 0) && fnew) + close(fd); + if (ret < 0) return AMGC_SYSTEM_ERROR(dctx); + else if (st.st_size == 0) + return AMGC_CUSTOM_ERROR( + dctx,AMGC_ERR_SOURCE_SIZE_ZERO); + map->size = st.st_size; map->addr = mmap(0,map->size,prot,MAP_PRIVATE,fd,0); |