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sort: work with signed integers as well

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This commit is contained in:
Jakob Kramer 2014-05-06 13:35:06 +02:00 committed by sin
parent 9694305e05
commit 0723c8d32e
1 changed files with 18 additions and 13 deletions
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31
sort.c
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@ -9,10 +9,10 @@
#include "util.h"
struct keydef {
unsigned start_column;
unsigned end_column;
unsigned start_char;
unsigned end_char;
int start_column;
int end_column;
int start_char;
int end_char;
};
struct kdlist {
@ -146,7 +146,7 @@ linecmp(const char **a, const char **b)
else if(!(node == head) && !node->next)
res = strcmp(s1, s2);
else if(nflag)
res = strtoul(s1, 0, 10) - strtoul(s2, 0, 10);
res = strtol(s1, 0, 10) - strtol(s2, 0, 10);
else
res = strcmp(s1, s2);
@ -167,17 +167,22 @@ parse_keydef(struct keydef *kd, char *s)
kd->end_column = 0;
kd->end_char = 0;
kd->start_column = strtoul(rest, &rest, 10);
if(!kd->start_column)
enprintf(2, "starting column cannot be 0\n");
kd->start_column = strtol(rest, &rest, 10);
if(kd->start_column < 1)
return -1;
if(*rest == '.')
kd->start_char = strtoul(rest+1, &rest, 10);
kd->start_char = strtol(rest+1, &rest, 10);
if(kd->start_char < 1)
return -1;
if(*rest == ',') {
kd->end_column = strtoul(rest+1, &rest, 10);
kd->end_column = strtol(rest+1, &rest, 10);
if(kd->end_column && kd->end_column < kd->start_column)
enprintf(2, ",%u is too small\n", kd->end_column);
if(*rest == '.')
kd->end_char = strtoul(rest+1, &rest, 10);
return -1;
if(*rest == '.') {
kd->end_char = strtol(rest+1, &rest, 10);
if(kd->end_char < 1)
return -1;
}
}
if(*rest != '\0')
return -1;