Signed-off-by: Jan Friesse <[email protected]>
---
lib/cpg.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/lib/cpg.c b/lib/cpg.c
index 8408466..a7dad33 100644
--- a/lib/cpg.c
+++ b/lib/cpg.c
@@ -736,6 +736,7 @@ memory_map (char *path, const char *file, void **buf,
size_t bytes)
int32_t i;
size_t written;
size_t page_size;
+ long int sysconf_page_size;
snprintf (path, PATH_MAX, "/dev/shm/%s", file);
@@ -752,7 +753,11 @@ memory_map (char *path, const char *file, void **buf,
size_t bytes)
if (res == -1) {
goto error_close_unlink;
}
- page_size = (size_t)sysconf(_SC_PAGESIZE);
+ sysconf_page_size = sysconf(_SC_PAGESIZE);
+ if (sysconf_page_size <= 0) {
+ goto error_close_unlink;
+ }
+ page_size = sysconf_page_size;
buffer = malloc (page_size);
if (buffer == NULL) {
goto error_close_unlink;
--
1.7.1
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