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authorRob Landley <rob@landley.net>2018-12-19 17:50:16 -0600
committerRob Landley <rob@landley.net>2018-12-19 17:50:16 -0600
commit4f5717dd140e8769f770191bcd1e6ee1f4bbc6d8 (patch)
treefe2befbdf88e201935aa57c3627cefaebf2bd7a0 /toys
parent5ebd387640ed45bd320431ad30ec92103166ef74 (diff)
downloadtoybox-4f5717dd140e8769f770191bcd1e6ee1f4bbc6d8.tar.gz
First stab at sort -V
Diffstat (limited to 'toys')
-rw-r--r--toys/posix/sort.c41
1 files changed, 28 insertions, 13 deletions
diff --git a/toys/posix/sort.c b/toys/posix/sort.c
index 4c9452eb..6f5467e1 100644
--- a/toys/posix/sort.c
+++ b/toys/posix/sort.c
@@ -7,7 +7,7 @@
* Deviations from POSIX: Lots.
* We invented -x
-USE_SORT(NEWTOY(sort, USE_SORT_FLOAT("g")"S:T:m" "o:k*t:xbMcszdfirun", TOYFLAG_USR|TOYFLAG_BIN))
+USE_SORT(NEWTOY(sort, USE_SORT_FLOAT("g")"S:T:m" "o:k*t:" "xVbMcszdfirun", TOYFLAG_USR|TOYFLAG_BIN))
config SORT
bool "sort"
@@ -32,6 +32,7 @@ config SORT
-k Sort by "key" (see below)
-t Use a key separator other than whitespace
-o Output to FILE instead of stdout
+ -V Version numbers (name-1.234-rc6.5b.tgz)
Sorting by key looks at a subset of the words on each line. -k2
uses the second word to the end of the line, -k2,2 looks at only
@@ -168,12 +169,7 @@ static struct sort_key *add_key(void)
// Perform actual comparison
static int compare_values(int flags, char *x, char *y)
{
- int ff = flags & (FLAG_n|FLAG_g|FLAG_M|FLAG_x);
-
- // Ascii sort
- if (!ff) return ((flags&FLAG_f) ? strcasecmp : strcmp)(x, y);
-
- if (CFG_SORT_FLOAT && ff == FLAG_g) {
+ if (CFG_SORT_FLOAT && (flags & FLAG_g)) {
char *xx,*yy;
double dx = strtod(x,&xx), dy = strtod(y,&yy);
int xinf, yinf;
@@ -197,7 +193,7 @@ static int compare_values(int flags, char *x, char *y)
if (yinf) return dy<0 ? 1 : -1;
return dx>dy ? 1 : (dx<dy ? -1 : 0);
- } else if (ff == FLAG_M) {
+ } else if (flags & FLAG_M) {
struct tm thyme;
int dx;
char *xx,*yy;
@@ -209,10 +205,27 @@ static int compare_values(int flags, char *x, char *y)
else if (!yy) return 1;
else return dx==thyme.tm_mon ? 0 : dx-thyme.tm_mon;
- } else if (ff == FLAG_x) {
- return strtol(x, NULL, 16)-strtol(y, NULL, 16);
- // This has to be ff == FLAG_n
- } else {
+ } else if (flags & FLAG_x) return strtol(x, NULL, 16)-strtol(y, NULL, 16);
+ else if (flags & FLAG_V) {
+ while (*x && *y) {
+ while (*x && *x == *y) x++, y++;
+ if (isdigit(*x) && isdigit(*y)) {
+ long long xx = strtoll(x, &x, 10), yy = strtoll(y, &y, 10);
+
+ if (xx<yy) return -1;
+ if (xx>yy) return 1;
+ } else {
+ char xx = *x ? *x : x[-1], yy = *y ? *y : y[-1];
+
+ // -rc/-pre hack so abc-123 > abc-123-rc1 (other way already - < 0-9)
+ if (xx != yy) {
+ if (xx<yy && !strstart(&y, "-rc") && !strstart(&y, "-pre")) return -1;
+ else return 1;
+ }
+ }
+ }
+ return *x ? !!*y : -1;
+ } else if (flags & FLAG_n) {
// Full floating point version of -n
if (CFG_SORT_FLOAT) {
double dx = atof(x), dy = atof(y);
@@ -220,7 +233,9 @@ static int compare_values(int flags, char *x, char *y)
return dx>dy ? 1 : (dx<dy ? -1 : 0);
// Integer version of -n for tiny systems
} else return atoi(x)-atoi(y);
- }
+
+ // Ascii sort
+ } else return ((flags&FLAG_f) ? strcasecmp : strcmp)(x, y);
}
// Callback from qsort(): Iterate through key_list and perform comparisons.