[PATCH 08/10] refs.c: convert trivial snprintf calls to xsnprintf

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With the commits f2f02675 and 5096d490 we have been converted in some files the call
from snprintf/sprintf/strcpy to xsnprintf. This patch converts the remaining calls
to snprintf with xsnprintf under the following conditions:

- The call to snprintf does not control the outcome of the command
  or the presence of truncation errors.
- A call to snprintf can generate a fatal error, directly or indirectly.

The other few remaining cases in which a call to snprintf can generate a soft error
have not been changed.

Signed-off-by: Elia Pinto <gitter.spiros@xxxxxxxxx>
---
 refs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/refs.c b/refs.c
index 87dc82f..c797ea0 100644
--- a/refs.c
+++ b/refs.c
@@ -912,7 +912,7 @@ char *shorten_unambiguous_ref(const char *refname, int strict)
 		for (i = 0; i < nr_rules; i++) {
 			assert(offset < total_len);
 			scanf_fmts[i] = (char *)&scanf_fmts[nr_rules] + offset;
-			offset += snprintf(scanf_fmts[i], total_len - offset,
+			offset += xsnprintf(scanf_fmts[i], total_len - offset,
 					   ref_rev_parse_rules[i], 2, "%s") + 1;
 		}
 	}
-- 
2.9.0.rc1.265.geb5d750

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