diff options
| author | tkoenig <tkoenig@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-01 19:23:56 +0000 |
|---|---|---|
| committer | tkoenig <tkoenig@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-01 19:23:56 +0000 |
| commit | 031c3cd85e9c9577bd504584edef4021f1f541c2 (patch) | |
| tree | 5efb54dbef143558582bc811fea1879150fca2a4 /gcc/fortran/arith.c | |
| parent | e3a89ab10bc0633528a32ea601f74ffe2f81f42c (diff) | |
| download | gcc-031c3cd85e9c9577bd504584edef4021f1f541c2.tar.gz | |
2006-06-01 Thomas Koenig <Thomas.Koenig@online.de>
PR fortran/27715
* arith.c: Cast the characters from the strings to unsigned
char to avoid values less than 0 for extended ASCII.
2006-06-01 Thomas Koenig <Thomas.Koenig@online.de>
PR fortran/27715
* gfortran.dg/extended_char_comparison_1.f: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114317 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/arith.c')
| -rw-r--r-- | gcc/fortran/arith.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/fortran/arith.c b/gcc/fortran/arith.c index a65447a9233..348b87fe136 100644 --- a/gcc/fortran/arith.c +++ b/gcc/fortran/arith.c @@ -1133,8 +1133,10 @@ gfc_compare_string (gfc_expr * a, gfc_expr * b, const int *xcoll_table) for (i = 0; i < len; i++) { - ac = (i < alen) ? a->value.character.string[i] : ' '; - bc = (i < blen) ? b->value.character.string[i] : ' '; + /* We cast to unsigned char because default char, if it is signed, + would lead to ac<0 for string[i] > 127. */ + ac = (unsigned char) ((i < alen) ? a->value.character.string[i] : ' '); + bc = (unsigned char) ((i < blen) ? b->value.character.string[i] : ' '); if (xcoll_table != NULL) { |