[gawk-diffs] [SCM] gawk branch, master, updated. gawk-4.1.0-2427-gc54a8eb

[Arnold Robbins]

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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=c54a8ebdc993aa3bf259fa7ab85a0f077a70040c

commit c54a8ebdc993aa3bf259fa7ab85a0f077a70040c
Author: Arnold D. Robbins <address@hidden>
Date:   Thu Feb 2 15:42:25 2017 +0200

    Improve memory hygiene in set_profile_text.

diff --git a/ChangeLog b/ChangeLog
index 8a0dfc3..f9e1cef 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-02-02         Arnold D. Robbins     <address@hidden>
+
+       * awkgram.y (set_profile_next): Allocate an extra byte at the
+       end for the NUL in case we add a sign. Thanks to Andrew Schorr
+       for making me look at this code.
+
 2017-02-01         Arnold D. Robbins     <address@hidden>
 
        * builtin.c (mbc_char_count): Remove spurious multiplies by
diff --git a/awkgram.c b/awkgram.c
index 5b55cf5..fb6e482 100644
--- a/awkgram.c
+++ b/awkgram.c
@@ -8713,7 +8713,8 @@ set_profile_text(NODE *n, const char *str, size_t len)
 {
        if (do_pretty_print) {
                // extra byte in case need to add minus sign in negate_num
-               n->stptr = estrdup(str, len + 1);
+               // and another one for the \0 at the end
+               n->stptr = estrdup(str, len + 2);
                n->stptr[len] = '\0';
                n->stlen = len;
                // Set STRCUR and n->stfmt for use when profiling
diff --git a/awkgram.y b/awkgram.y
index 541cebf..a9e8f9a 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -6293,7 +6293,8 @@ set_profile_text(NODE *n, const char *str, size_t len)
 {
        if (do_pretty_print) {
                // extra byte in case need to add minus sign in negate_num
-               n->stptr = estrdup(str, len + 1);
+               // and another one for the \0 at the end
+               n->stptr = estrdup(str, len + 2);
                n->stptr[len] = '\0';
                n->stlen = len;
                // Set STRCUR and n->stfmt for use when profiling

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog |    6 ++++++
 awkgram.c |    3 ++-
 awkgram.y |    3 ++-
 3 files changed, 10 insertions(+), 2 deletions(-)


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