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Made cc65 not warn us when we change character code 0x00 back to itself.

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This commit is contained in:
Greg King
2016-08-26 07:39:39 -04:00
parent 2f6fb1de1c
commit 1dee57bf1f
1 changed files with 15 additions and 15 deletions
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30
src/cc65/pragma.c
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@@ -452,15 +452,9 @@ static void CharMapPragma (StrBuf* B)
if (!GetNumber (B, &Index)) { if (!GetNumber (B, &Index)) {
return; return;
} }
if (Index < 1 || Index > 255) { if (Index < 0 || Index > 255) {
if (Index != 0) { Error ("Character index out of range");
Error ("Character index out of range"); return;
return;
}
/* For groepaz and Christian */
if (IS_Get (&WarnRemapZero)) {
Warning ("Remapping from 0 is dangerous with string functions");
}
} }
/* Comma follows */ /* Comma follows */
@@ -472,13 +466,19 @@ static void CharMapPragma (StrBuf* B)
if (!GetNumber (B, &C)) { if (!GetNumber (B, &C)) {
return; return;
} }
if (C < 1 || C > 255) { if (C < 0 || C > 255) {
if (C != 0) { Error ("Character code out of range");
Error ("Character code out of range"); return;
return; }
/* Warn about remapping character code 0x00
** (except when remapping it back to itself).
*/
if (Index + C != 0 && IS_Get (&WarnRemapZero)) {
if (Index == 0) {
Warning ("Remapping from 0 is dangerous with string functions");
} }
/* For groepaz and Christian */ else if (C == 0) {
if (IS_Get (&WarnRemapZero)) {
Warning ("Remapping to 0 can make string functions stop unexpectedly"); Warning ("Remapping to 0 can make string functions stop unexpectedly");
} }
} }