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Order numeric file names (helps with /proc)

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Arun Prakash Jana 2017-12-24 03:15:22 +05:30
parent 4d0bbcb26c
commit d3797f21d1
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GPG key ID: A75979F35C080412
1 changed files with 22 additions and 71 deletions
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nnn.c
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@ -632,7 +632,6 @@ xdiraccess(char *path)
return TRUE; return TRUE;
} }
#if 0
/* /*
* We assume none of the strings are NULL. * We assume none of the strings are NULL.
* *
@ -640,53 +639,39 @@ xdiraccess(char *path)
* E.g., the order '1, 10, 2' doesn't make sense to human eyes. * E.g., the order '1, 10, 2' doesn't make sense to human eyes.
* *
* If the absolute numeric values are same, we fallback to alphasort. * If the absolute numeric values are same, we fallback to alphasort.
*
* NOTE: This API is replaced by strcoll().
*/ */
static int static int
xstricmp(char *s1, char *s2) xstricmp(char *s1, char *s2)
{ {
static char *str1, *str2, *c1, *c2; static char *c1, *c2;
static int diff, nsyms1, nsyms2;
static bool symbolic1, symbolic2, numeric1, numeric2;
symbolic1 = symbolic2 = numeric1 = numeric2 = FALSE; c1 = s1;
while (isspace(*c1))
++c1;
str1 = c1 = s1; c2 = s2;
nsyms1 = 0; while (isspace(*c2))
while (isspace(*c1) || ispunct(*c1)) { /* Same weight to spaces and punctuations */ ++c2;
++nsyms1, ++c1;
if (!symbolic1)
symbolic1 = TRUE;
}
str2 = c2 = s2;
nsyms2 = 0;
while (isspace(*c2) || ispunct(*c2)) {
++nsyms2, ++c2;
if (!symbolic2)
symbolic2 = TRUE;
}
if (!*c1 && *c2) {
if (symbolic1)
return -1;
} else if (*c1 && !*c2) {
if (symbolic2)
return 1;
}
if (*c1 == '-' || *c1 == '+') if (*c1 == '-' || *c1 == '+')
++c1; ++c1;
if (*c1 >= '0' && *c1 <= '9')
numeric1 = TRUE;
if (*c2 == '-' || *c2 == '+') if (*c2 == '-' || *c2 == '+')
++c2; ++c2;
if (*c2 >= '0' && *c2 <= '9')
numeric2 = TRUE;
if (numeric1 && numeric2) { if (isdigit(*c1) && isdigit(*c2)) {
while (*c1 >= '0' && *c1 <= '9')
++c1;
while (isspace(*c1))
++c1;
while (*c2 >= '0' && *c2 <= '9')
++c2;
while (isspace(*c2))
++c2;
}
if (!*c1 && !*c2) {
static long long num1, num2; static long long num1, num2;
num1 = strtoll(s1, NULL, 10); num1 = strtoll(s1, NULL, 10);
@ -697,45 +682,11 @@ xstricmp(char *s1, char *s2)
else else
return -1; return -1;
} }
} else if (numeric1)
return -1;
else if (numeric2)
return 1;
#if 0
} else if (*c1 == '\0' && *c2 != '\0')
return -1;
else if (*c1 != '\0' && *c2 == '\0')
return 1;
#endif
s1 = c1, s2 = c2;
while (*s2 && *s1 && TOUPPER(*s1) == TOUPPER(*s2))
++s1, ++s2;
/* In case of alphabetically same names, make sure
* lower case one comes before upper case one
*/
if (!*s1 && !*s2) {
/* First compare ignoring symbols */
if (*c1 && *c2) {
diff = xstrcmp(c1, c2);
if (diff != 0)
return -diff;
} }
/* Sort the string with lesser prefix symbols on top */ return strcoll(s1, s2);
if (nsyms1 != nsyms2)
return (nsyms1 - nsyms2);
/* Same number of symbols in both strings */
return -xstrcmp(str1, str2);
} }
return (int) (TOUPPER(*s1) - TOUPPER(*s2));
}
#endif
/* Return the integer value of a char representing HEX */ /* Return the integer value of a char representing HEX */
static char static char
xchartohex(char c) xchartohex(char c)
@ -846,7 +797,7 @@ entrycmp(const void *va, const void *vb)
return -1; return -1;
} }
return strcoll(pa->name, pb->name); return xstricmp(pa->name, pb->name);
} }
/* /*