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jam: Fix isspace/isalnum/tolower/... usage

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The value passed in must be representable as an unsigned char or equal
to the value of the macro EOF. NetBSD 11+ is actually enforcing this.

Change-Id: I9a7eada7c0c1ae206aa6810027a2b02742b72934
Reviewed-on: https://review.haiku-os.org/c/buildtools/+/10127
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
This commit is contained in:
Christof Meerwald
2025-12-17 16:39:43 +00:00
committed by Adrien Destugues
parent 7ab022f6e6
commit 13c7a4265a
7 changed files with 16 additions and 15 deletions
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4
jam/execunix.c
View File

@@ -154,12 +154,12 @@ execcmd(
/* Trim leading, ending white space */
while( isspace( *string ) )
while( isspace( (unsigned char)*string ) )
++string;
p = strchr( string, '\n' );
while( p && isspace( *p ) )
while( p && isspace( (unsigned char)*p ) )
++p;
/* If multi line, or too long, or JAMSHELL is set, write to bat file. */

4
jam/expand.c
View File

@@ -538,11 +538,11 @@ var_edit_shift(
if( edits->upshift )
{
for( ; *out; ++out )
*out = toupper( *out );
*out = toupper( (unsigned char)*out );
}
else if( edits->downshift )
{
for( ; *out; ++out )
*out = tolower( *out );
*out = tolower( (unsigned char)*out );
}
}

2
jam/option.c
View File

@@ -35,7 +35,7 @@ getoptions(
{
char *arg;
if( argv[i][0] != '-' || !isalpha( argv[i][1] ) )
if( argv[i][0] != '-' || !isalpha( (unsigned char)argv[i][1] ) )
break;
if( !optc-- )

6
jam/regexp.c
View File

@@ -917,16 +917,16 @@ regmatch( char *prog )
break;
case WORDA:
/* Must be looking at a letter, digit, or _ */
if ((!isalnum(*reginput)) && *reginput != '_')
if ((!isalnum((unsigned char)*reginput)) && *reginput != '_')
return(0);
/* Prev must be BOL or nonword */
if (reginput > regbol &&
(isalnum(reginput[-1]) || reginput[-1] == '_'))
(isalnum((unsigned char)reginput[-1]) || reginput[-1] == '_'))
return(0);
break;
case WORDZ:
/* Must be looking at non letter, digit, or _ */
if (isalnum(*reginput) || *reginput == '_')
if (isalnum((unsigned char)*reginput) || *reginput == '_')
return(0);
/* We don't care what the previous char was */
break;

7
jam/scan.c
View File

@@ -287,7 +287,7 @@ yylex()
{
/* Skip past white space */
while( c != EOF && isspace( c ) )
while( c != EOF && isspace( (unsigned char)c ) )
c = yychar();
/* Not a comment? Swallow up comment line. */
@@ -315,7 +315,7 @@ yylex()
while(
c != EOF &&
b < buf + sizeof( buf ) &&
( inquote || !isspace( c ) ) )
( inquote || !isspace( (unsigned char)c ) ) )
{
if( c == '"' )
{
@@ -369,7 +369,8 @@ yylex()
*b = 0;
yylval.type = ARG;
if( !notkeyword && !( isalpha( *buf ) && scanmode == SCAN_PUNCT ) )
if( !notkeyword &&
!( isalpha( (unsigned char)*buf ) && scanmode == SCAN_PUNCT ) )
{
for( k = keywords; k->word; k++ )
if( *buf == *k->word && !strcmp( k->word, buf ) )

4
jam/timestamp.c
View File

@@ -72,7 +72,7 @@ timestamp(
char path[ MAXJPATH ];
char *p = path;
do *p++ = tolower( *target );
do *p++ = tolower( (unsigned char)*target );
while( *target++ );
target = path;
@@ -175,7 +175,7 @@ time_enter(
char path[ MAXJPATH ];
char *p = path;
do *p++ = tolower( *target );
do *p++ = tolower( (unsigned char)*target );
while( *target++ );
target = path;

4
jam/variable.c
View File

@@ -152,7 +152,7 @@ var_string(
/* Copy white space */
while( isspace( *in ) )
while( isspace( (unsigned char)*in ) )
{
if( out >= oute )
return -1;
@@ -164,7 +164,7 @@ var_string(
/* Copy non-white space, watching for variables */
while( *in && !isspace( *in ) )
while( *in && !isspace( (unsigned char)*in ) )
{
if( out >= oute )
return -1;