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| author | Dominik Czarnota <dominik.b.czarnota@gmail.com> | 2017-11-26 22:42:18 -0500 |
|---|---|---|
| committer | Simon Marchi <simon.marchi@polymtl.ca> | 2017-11-26 22:42:19 -0500 |
| commit | ee9a09e959a5b7c152cc72028d4f6c879bc901c9 (patch) | |
| tree | e4a0aa2cf3552f6f7286d6f0151f5bb2fd75e461 /gdb/findcmd.c | |
| parent | e8e7d10c39955e7ff99ff42f6f16d6befe2fa12e (diff) | |
| download | binutils-gdb-ee9a09e959a5b7c152cc72028d4f6c879bc901c9.tar.gz | |
Update find command help and search memory docs
This patch updates the `find` command help and docs description to show
how to search for not null terminated strings when current language's
strings includes it.
gdb/ChangeLog:
PR gdb/21945
* findcmd.c (_initialize_mem_search): Update find command help
text.
gdb/doc/ChangeLog:
PR gdb/21945
* gdb.texinfo (Search Memory): Update description and example
about how to search a string without NULL terminator.
Diffstat (limited to 'gdb/findcmd.c')
| -rw-r--r-- | gdb/findcmd.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gdb/findcmd.c b/gdb/findcmd.c index b43fefc06da..d437b56d920 100644 --- a/gdb/findcmd.c +++ b/gdb/findcmd.c @@ -293,7 +293,9 @@ and if not specified the size is taken from the type of the expression\n\ in the current language.\n\ Note that this means for example that in the case of C-like languages\n\ a search for an untyped 0x42 will search for \"(int) 0x42\"\n\ -which is typically four bytes.\n\ +which is typically four bytes, and a search for a string \"hello\" will\n\ +include the trailing '\\0'. The null terminator can be removed from\n\ +searching by using casts, e.g.: {char[5]}\"hello\".\n\ \n\ The address of the last match is stored as the value of \"$_\".\n\ Convenience variable \"$numfound\" is set to the number of matches."), |