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ecpg: check return value of replace_variables()

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The function returns false if it fails to allocate memory, so
make sure to check the return value in callsites.

Author: Aleksander Alekseev <aleksander@tigerdata.com>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://postgr.es/m/CAJ7c6TNPrU8ZxgdfN3PyGY1tzo0bgszx+KkqW0Z7zt3heyC1GQ@mail.gmail.com
This commit is contained in:
Daniel Gustafsson 2025-10-17 10:03:15 +02:00
parent 6aa184c80f
commit 0d82163958
1 changed files with 7 additions and 1 deletions
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8
src/interfaces/ecpg/ecpglib/prepare.c
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@ -200,7 +200,13 @@ prepare_common(int lineno, struct connection *con, const char *name, const char
stmt->inlist = stmt->outlist = NULL; stmt->inlist = stmt->outlist = NULL;
/* if we have C variables in our statement replace them with '?' */ /* if we have C variables in our statement replace them with '?' */
replace_variables(&(stmt->command), lineno); if (!replace_variables(&(stmt->command), lineno))
{
ecpg_free(stmt->command);
ecpg_free(stmt);
ecpg_free(this);
return false;
}
/* add prepared statement to our list */ /* add prepared statement to our list */
this->name = ecpg_strdup(name, lineno, NULL); this->name = ecpg_strdup(name, lineno, NULL);