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-rw-r--r--Src/Modules/files.c2
-rw-r--r--Src/Modules/mathfunc.c2
-rw-r--r--Src/Modules/zutil.c11
3 files changed, 7 insertions, 8 deletions
diff --git a/Src/Modules/files.c b/Src/Modules/files.c
index bb1cc0065..331507c64 100644
--- a/Src/Modules/files.c
+++ b/Src/Modules/files.c
@@ -605,7 +605,7 @@ static unsigned long getnumeric(char *p, int *errp)
{
unsigned long ret;
- if(*p < '0' || *p > '9') {
+ if (!idigit(*p)) {
*errp = 1;
return 0;
}
diff --git a/Src/Modules/mathfunc.c b/Src/Modules/mathfunc.c
index 6b6488abb..7b9b10fab 100644
--- a/Src/Modules/mathfunc.c
+++ b/Src/Modules/mathfunc.c
@@ -503,7 +503,7 @@ math_string(UNUSED(char *name), char *arg, int id)
unsigned short *seedptr = seedbufptr + i;
*seedptr = 0;
for (j = 0; j < 4; j++) {
- if (*seedstr >= '0' && *seedstr <= '9')
+ if (idigit(*seedstr))
*seedptr += *seedstr - '0';
else if (tolower(*seedstr) >= 'a' &&
tolower(*seedstr) <= 'f')
diff --git a/Src/Modules/zutil.c b/Src/Modules/zutil.c
index 9b81ba92e..c88e66288 100644
--- a/Src/Modules/zutil.c
+++ b/Src/Modules/zutil.c
@@ -573,8 +573,8 @@ static char *zformat_substring(char* instr, char **specs, char **outp,
if ((right = (*++s == '-')))
s++;
- if (*s >= '0' && *s <= '9') {
- for (min = 0; *s >= '0' && *s <= '9'; s++)
+ if (idigit(*s)) {
+ for (min = 0; idigit(*s); s++)
min = (min * 10) + (int) STOUC(*s) - '0';
}
@@ -586,8 +586,8 @@ static char *zformat_substring(char* instr, char **specs, char **outp,
right = 1;
s++;
}
- if ((*s == '.' || testit) && s[1] >= '0' && s[1] <= '9') {
- for (max = 0, s++; *s >= '0' && *s <= '9'; s++)
+ if ((*s == '.' || testit) && idigit(s[1])) {
+ for (max = 0, s++; idigit(*s); s++)
max = (max * 10) + (int) STOUC(*s) - '0';
}
else if (testit)
@@ -714,8 +714,7 @@ bin_zformat(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
specs[')'] = ")";
for (ap = args + 2; *ap; ap++) {
if (!ap[0][0] || ap[0][0] == '-' || ap[0][0] == '.' ||
- (ap[0][0] >= '0' && ap[0][0] <= '9') ||
- ap[0][1] != ':') {
+ idigit(ap[0][0]) || ap[0][1] != ':') {
zwarnnam(nam, "invalid argument: %s", *ap, 0);
return 1;
}