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|
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http://git.linux-nfs.org/?p=steved%2Fnfs-utils.git;a=commitdiff_plain;h=7a802337bfc92d0b30fe94dbd0fa231990a26161 |
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https://bugzilla.redhat.com/show_bug.cgi?id=697975 |
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|
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--- support/nfs/nfs_mntent.c 2008-07-27 21:01:45.000000000 +0000 |
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+++ support/nfs/nfs_mntent.c.oden 2011-12-12 17:04:43.000000000 +0000 |
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@@ -12,6 +12,7 @@ |
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#include <string.h> /* for index */ |
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#include <ctype.h> /* for isdigit */ |
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#include <sys/stat.h> /* for umask */ |
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+#include <unistd.h> /* for ftruncate */ |
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|
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#include "nfs_mntent.h" |
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#include "nls.h" |
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@@ -127,9 +128,11 @@ int |
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nfs_addmntent (mntFILE *mfp, struct mntent *mnt) { |
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char *m1, *m2, *m3, *m4; |
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int res; |
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+ off_t length; |
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|
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if (fseek (mfp->mntent_fp, 0, SEEK_END)) |
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return 1; /* failure */ |
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+ length = ftell(mfp->mntent_fp); |
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|
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m1 = mangle(mnt->mnt_fsname); |
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m2 = mangle(mnt->mnt_dir); |
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@@ -143,6 +146,12 @@ nfs_addmntent (mntFILE *mfp, struct mnte |
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free(m2); |
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free(m3); |
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free(m4); |
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+ if (res >= 0) { |
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+ res = fflush(mfp->mntent_fp); |
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+ if (res < 0) |
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+ /* Avoid leaving a corrupt mtab file */ |
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+ ftruncate(fileno(mfp->mntent_fp), length); |
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+ } |
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return (res < 0) ? 1 : 0; |
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} |
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