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Fix portability bugs: char values passed to <ctype.h> functions must

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be cast to unsigned char.  We have learned this the hard way before.
This commit is contained in:
Tom Lane 2004-01-04 04:17:01 +00:00
parent 558ed5aee1
commit 4351f8823d
2 changed files with 8 additions and 8 deletions
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6
src/interfaces/ecpg/compatlib/informix.c
View File

@ -464,7 +464,7 @@ rstrdate(char *str, date * d)
for (i=0,j=0; i < 10; i++ )
{
/* ignore non-digits */
if ( isdigit(str[i]) )
if ( isdigit((unsigned char) str[i]) )
{
/* j only increments if it is a digit */
@ -910,8 +910,8 @@ void
rupshift(char *str)
{
for (; *str != '\0'; str++)
if (islower(*str))
*str = toupper(*str);
if (islower((unsigned char) *str))
*str = toupper((unsigned char) *str);
return;
}

10
src/interfaces/ecpg/pgtypeslib/datetime.c
View File

@ -405,7 +405,7 @@ PGTYPESdate_defmt_asc(date * d, char *fmt, char *str)
reading_digit = 1;
for (i = 0; str[i]; i++)
{
if (!isdigit(str[i]))
if (!isdigit((unsigned char) str[i]))
{
reading_digit = 0;
break;
@ -495,7 +495,7 @@ PGTYPESdate_defmt_asc(date * d, char *fmt, char *str)
/* convert the whole string to lower case */
for (i = 0; str_copy[i]; i++)
str_copy[i] = (char) tolower(str_copy[i]);
str_copy[i] = (char) tolower((unsigned char) str_copy[i]);
}
/* look for numerical tokens */
@ -503,14 +503,14 @@ PGTYPESdate_defmt_asc(date * d, char *fmt, char *str)
token_count = 0;
for (i = 0; i < strlen(str_copy); i++)
{
if (!isdigit(str_copy[i]) && reading_digit)
if (!isdigit((unsigned char) str_copy[i]) && reading_digit)
{
/* the token is finished */
token[token_count][1] = i - 1;
reading_digit = 0;
token_count++;
}
else if (isdigit(str_copy[i]) && !reading_digit)
else if (isdigit((unsigned char) str_copy[i]) && !reading_digit)
{
/* we have found a token */
token[token_count][0] = i;
@ -565,7 +565,7 @@ PGTYPESdate_defmt_asc(date * d, char *fmt, char *str)
{
for (j = 0; j < PGTYPES_DATE_MONTH_MAXLENGTH; j++)
{
month_lower_tmp[j] = (char) tolower(list[i][j]);
month_lower_tmp[j] = (char) tolower((unsigned char) list[i][j]);
if (!month_lower_tmp[j])
{
/* properly terminated */