34 lines
922 B
Diff
34 lines
922 B
Diff
From 23ea15715c90bb3e85fd0392d7e1c7b2e94a3898 Mon Sep 17 00:00:00 2001
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From: Juan RP <xtraeme@gmail.com>
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Date: Sun, 11 Jan 2015 17:08:46 +0100
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Subject: [PATCH] prop_object: check sysconf() return value.
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Merged from xbps.
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---
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src/prop_object.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git src/prop_object.c src/prop_object.c
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index a94015d..27f54b1 100644
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--- src/prop_object.c
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+++ src/prop_object.c
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@@ -903,11 +903,17 @@ _prop_object_internalize_map_file(const char *fname)
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{
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struct stat sb;
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struct _prop_object_internalize_mapped_file *mf;
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- size_t pgsize = (size_t)sysconf(_SC_PAGESIZE);
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- size_t pgmask = pgsize - 1;
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+ long scps = sysconf(_SC_PAGESIZE);
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+ size_t pgsize, pgmask;
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bool need_guard = false;
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int fd;
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+ if (scps == -1)
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+ return NULL;
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+
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+ pgsize = (size_t)scps;
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+ pgmask = pgsize -1;
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+
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mf = _PROP_MALLOC(sizeof(*mf), M_TEMP);
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if (mf == NULL)
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return (NULL);
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