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coverity/133853: Out-of-bounds access

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This commit is contained in:
Justin M. Keyes 2017-01-22 22:18:08 +01:00
parent d97d66e173
commit 6c467f3f7e
1 changed files with 8 additions and 11 deletions
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19
src/nvim/message.c
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@ -381,20 +381,17 @@ static int other_sourcing_name(void)
return FALSE; return FALSE;
} }
/* /// Get the message about the source, as used for an error message.
* Get the message about the source, as used for an error message. /// Returns an allocated string with room for one more character.
* Returns an allocated string with room for one more character. /// Returns NULL when no message is to be given.
* Returns NULL when no message is to be given.
*/
static char_u *get_emsg_source(void) static char_u *get_emsg_source(void)
{ {
char_u *Buf, *p;
if (sourcing_name != NULL && other_sourcing_name()) { if (sourcing_name != NULL && other_sourcing_name()) {
p = (char_u *)_("Error detected while processing %s:"); char_u *p = (char_u *)_("Error detected while processing %s:");
Buf = xmalloc(STRLEN(sourcing_name) + STRLEN(p)); size_t len = STRLEN(sourcing_name) + STRLEN(p) + 1;
sprintf((char *)Buf, (char *)p, sourcing_name); char_u *buf = xmalloc(len);
return Buf; snprintf((char *)buf, len, (char *)p, sourcing_name);
return buf;
} }
return NULL; return NULL;
} }