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50049: care with signed characters

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Some signed-to-unsigned casts needed for a couple of cases of pointers
used as indices.
This commit is contained in:
Peter Stephenson 2022-04-12 14:10:08 +01:00
parent 09ad15b986
commit c5a891a29d
3 changed files with 8 additions and 2 deletions

6
ChangeLog
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@ -1,3 +1,9 @@
2022-04-12 Peter Stephenson <p.stephenson@samsung.com>
* 50049: Src/exec.c, Src/prompt.c: care with signed character
indices on the few remaining systems such as Cygwin that aren't
otherwise protected.
2022-04-20 Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp> 2022-04-20 Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>
* 50081: Src/pattern.c, Src/params.c: reset global mbstate_t * 50081: Src/pattern.c, Src/params.c: reset global mbstate_t

2
Src/exec.c
View file

@ -561,7 +561,7 @@ zexecve(char *pth, char **argv, char **newenvp)
isbinary = 1; isbinary = 1;
hasletter = 0; hasletter = 0;
for (ptr = execvebuf; ptr < ptr2; ptr++) { for (ptr = execvebuf; ptr < ptr2; ptr++) {
if (islower(*ptr) || *ptr == '$' || *ptr == '`') if (islower(STOUC(*ptr)) || *ptr == '$' || *ptr == '`')
hasletter = 1; hasletter = 1;
if (hasletter && *ptr == '\n') { if (hasletter && *ptr == '\n') {
isbinary = 0; isbinary = 0;

2
Src/prompt.c
View file

@ -1666,7 +1666,7 @@ match_colour(const char **teststrp, int is_fg, int colour)
tc = TCBGCOLOUR; tc = TCBGCOLOUR;
} }
if (teststrp) { if (teststrp) {
if (**teststrp == '#' && isxdigit((*teststrp)[1])) { if (**teststrp == '#' && isxdigit(STOUC((*teststrp)[1]))) {
struct color_rgb color; struct color_rgb color;
char *end; char *end;
zlong col = zstrtol(*teststrp+1, &end, 16); zlong col = zstrtol(*teststrp+1, &end, 16);