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Remove calls to strtoll for numeric sort

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Arun Prakash Jana 2019-01-23 18:59:40 +05:30
parent b57e209242
commit cd3124605d
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GPG key ID: A75979F35C080412
1 changed files with 56 additions and 14 deletions
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82
src/nnn.c
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@ -1038,6 +1038,14 @@ static bool xdiraccess(const char *path)
return TRUE;
}
static int digit_compare(const char *a, const char *b)
{
while (*a && *b && *a == *b)
++a, ++b;
return *a - *b;
}
/*
* We assume none of the strings are NULL.
*
@ -1048,7 +1056,15 @@ static bool xdiraccess(const char *path)
*/
static int xstricmp(const char * const s1, const char * const s2)
{
static const char *c1, *c2;
static const char *c1, *c2, *m1, *m2;
static int count1, count2, bias;
static char sign[2];
count1 = 0;
count2 = 0;
sign[0] = '+';
sign[1] = '+';
c1 = s1;
while (isspace(*c1))
@ -1058,34 +1074,60 @@ static int xstricmp(const char * const s1, const char * const s2)
while (isspace(*c2))
++c2;
if (*c1 == '-' || *c1 == '+')
if (*c1 == '-' || *c1 == '+') {
if (*c1 == '-')
sign[0] = '-';
++c1;
}
if (*c2 == '-' || *c2 == '+')
++c2;
if (isdigit(*c1) && isdigit(*c2)) {
while (*c1 >= '0' && *c1 <= '9')
++c1;
while (isspace(*c1))
++c1;
while (*c2 >= '0' && *c2 <= '9')
++c2;
while (isspace(*c2))
if (*c2 == '-' || *c2 == '+') {
if (*c2 == '-')
sign[1] = '-';
++c2;
}
if (!*c1 && !*c2) {
static long long num1, num2;
if ((*c1 >= '0' && *c1 <= '9') && (*c2 >= '0' && *c2 <= '9')) {
while (*c1 == '0')
++c1;
m1 = c1;
num1 = strtoll(s1, NULL, 10);
num2 = strtoll(s2, NULL, 10);
if (num1 != num2) {
if (num1 > num2)
while (*c2 == '0')
++c2;
m2 = c2;
while (*c1 >= '0' && *c1 <= '9') {
++count1;
++c1;
}
while (isspace(*c1))
++c1;
while (*c2 >= '0' && *c2 <= '9') {
++count2;
++c2;
}
while (isspace(*c2))
++c2;
if (*c1 && !*c2)
return 1;
if (!*c1 && *c2)
return -1;
if (!*c1 && !*c2) {
if (sign[0] != sign[1])
return ((sign[0] == '+') ? 1 : -1);
if (count1 > count2)
return 1;
if (count1 < count2)
return -1;
bias = digit_compare(m1, m2);
if (bias)
return bias;
}
}