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| author | Chen Gang <gang.chen.5i5j@gmail.com> | 2014-12-09 17:02:54 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2014-12-09 17:04:45 +1030 |
| commit | 77ab336ea162fa8d7a9a9e005d7e2865a210b375 (patch) | |
| tree | eb7ef5a10f8376533e04535d69b3f74ec9711e95 /gas/config/tc-tic4x.c | |
| parent | 31d999a568b8dcd19d79308335f2508685943f1f (diff) | |
| download | gdb-77ab336ea162fa8d7a9a9e005d7e2865a210b375.zip gdb-77ab336ea162fa8d7a9a9e005d7e2865a210b375.tar.gz gdb-77ab336ea162fa8d7a9a9e005d7e2865a210b375.tar.bz2 | |
Ensure zero termination of tic4x insn buffer
* config/tc-tic4x.c (md_assemble): Ensure insn->name is zero
terminated. Simplify concatenation of parallel insn.
Diffstat (limited to 'gas/config/tc-tic4x.c')
| -rw-r--r-- | gas/config/tc-tic4x.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gas/config/tc-tic4x.c b/gas/config/tc-tic4x.c index 12d8ec9..b57272c 100644 --- a/gas/config/tc-tic4x.c +++ b/gas/config/tc-tic4x.c @@ -2417,6 +2417,7 @@ md_assemble (char *str) char *s; int i; int parsed = 0; + size_t len; tic4x_inst_t *inst; /* Instruction template. */ tic4x_inst_t *first_inst; @@ -2455,8 +2456,8 @@ md_assemble (char *str) s++; if (*s) /* Null terminate for hash_find. */ *s++ = '\0'; /* and skip past null. */ - strcat (insn->name, "_"); - strncat (insn->name, str, TIC4X_NAME_MAX - 1 - strlen (insn->name)); + len = strlen (insn->name); + snprintf (insn->name + len, TIC4X_NAME_MAX - len, "_%s", str); insn->operands[insn->num_operands++].mode = M_PARALLEL; @@ -2518,7 +2519,8 @@ md_assemble (char *str) s++; if (*s) /* Null terminate for hash_find. */ *s++ = '\0'; /* and skip past null. */ - strncpy (insn->name, str, TIC4X_NAME_MAX - 3); + strncpy (insn->name, str, TIC4X_NAME_MAX - 1); + insn->name[TIC4X_NAME_MAX - 1] = '\0'; if ((i = tic4x_operands_parse (s, insn->operands, 0)) < 0) { |