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Fix build with GCC 8: strncpy ->strcpy

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Recent gcc 8 trunk emits the warning below,

../../binutils-gdb/gdb/python/py-gdb-readline.c:79:15: error: ‘char* strncpy(char*, const char*, size_t)’ output truncated before terminating nul copying as many bytes from a string as its length [-Werror=stringop-truncation]
       strncpy (q, p, n);
       ~~~~~~~~^~~~~~~~~
../../binutils-gdb/gdb/python/py-gdb-readline.c:73:14: note: length computed here
   n = strlen (p);
       ~~~~~~~^~~

gdb:

2017-11-22  Yao Qi  <yao.qi@linaro.org>

	* python/py-gdb-readline.c (gdbpy_readline_wrapper): Use strcpy.
This commit is contained in:
Yao Qi
2017-11-22 12:22:11 +00:00
parent 29f9a56737
commit a9f26f609e
2 changed files with 5 additions and 1 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2017-11-22 Yao Qi <yao.qi@linaro.org>
* python/py-gdb-readline.c (gdbpy_readline_wrapper): Use strcpy.
2017-11-22 Yao Qi <yao.qi@linaro.org> 2017-11-22 Yao Qi <yao.qi@linaro.org>
* cli/cli-decode.c (help_list): Use memcpy instead of strncpy. * cli/cli-decode.c (help_list): Use memcpy instead of strncpy.

2
gdb/python/py-gdb-readline.c
View File

@ -76,7 +76,7 @@ gdbpy_readline_wrapper (FILE *sys_stdin, FILE *sys_stdout,
q = (char *) PyMem_RawMalloc (n + 2); q = (char *) PyMem_RawMalloc (n + 2);
if (q != NULL) if (q != NULL)
{ {
strncpy (q, p, n); strcpy (q, p);
q[n] = '\n'; q[n] = '\n';
q[n + 1] = '\0'; q[n + 1] = '\0';
} }