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isn.c: use pg_ascii_toupper() instead of toupper().

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Avoid dependence on setlocale(). No behavior change.

Discussion: https://postgr.es/m/9875f7f9-50f1-4b5d-86fc-ee8b03e8c162@eisentraut.org
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
This commit is contained in:
Jeff Davis 2025-06-10 11:23:11 -07:00
parent 78bd364ee3
commit 7a6880fadc
1 changed files with 2 additions and 2 deletions
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4
contrib/isn/isn.c
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@ -726,7 +726,7 @@ string2ean(const char *str, struct Node *escontext, ean13 *result,
if (type != INVALID)
goto eaninvalid;
type = ISSN;
*aux1++ = toupper((unsigned char) *aux2);
*aux1++ = pg_ascii_toupper((unsigned char) *aux2);
length++;
}
else if (length == 9 && (digit || *aux2 == 'X' || *aux2 == 'x') && last)
@ -736,7 +736,7 @@ string2ean(const char *str, struct Node *escontext, ean13 *result,
goto eaninvalid;
if (type == INVALID)
type = ISBN; /* ISMN must start with 'M' */
*aux1++ = toupper((unsigned char) *aux2);
*aux1++ = pg_ascii_toupper((unsigned char) *aux2);
length++;
}
else if (length == 11 && digit && last)