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Make column width calculation dynamic.

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Closes #228.
This commit is contained in:
Hisham Muhammad
2015-08-20 00:32:47 -03:00
parent 8bd603cb68
commit 9428010121
10 changed files with 69 additions and 105 deletions
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30
Process.c
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@ -26,6 +26,7 @@ in the source distribution for its full text.
#include <pwd.h>
#include <time.h>
#include <assert.h>
#include <math.h>
#ifdef __ANDROID__
#define SYS_ioprio_get __NR_ioprio_get
@ -72,6 +73,11 @@ typedef enum ProcessFields {
TGID = 52,
} ProcessField;
typedef struct ProcessPidColumn_ {
int id;
char* label;
} ProcessPidColumn;
typedef struct Process_ {
Object super;
@ -145,14 +151,13 @@ typedef struct ProcessFieldData_ {
} ProcessFieldData;
// Implemented in platform-specific code:
void Process_setupColumnWidths();
void Process_writeField(Process* this, RichString* str, ProcessField field);
long Process_compare(const void* v1, const void* v2);
void Process_delete(Object* cast);
bool Process_isThread(Process* this);
extern ProcessFieldData Process_fields[];
extern char* Process_pidFormat;
extern char* Process_tpgidFormat;
extern ProcessPidColumn Process_pidColumns[];
extern char Process_pidFormat[20];
typedef Process*(*Process_New)(struct Settings_*);
typedef void (*Process_WriteField)(Process*, RichString*, ProcessField);
@ -176,6 +181,23 @@ static int Process_getuid = -1;
#define ONE_DECIMAL_M (ONE_DECIMAL_K * ONE_DECIMAL_K)
#define ONE_DECIMAL_G (ONE_DECIMAL_M * ONE_DECIMAL_K)
char Process_pidFormat[20] = "%7u ";
static char Process_titleBuffer[20][20];
void Process_setupColumnWidths() {
int maxPid = Platform_getMaxPid();
if (maxPid == -1) return;
int digits = ceil(log10(maxPid));
assert(digits < 20);
for (int i = 0; Process_pidColumns[i].label; i++) {
assert(i < 20);
sprintf(Process_titleBuffer[i], "%*s ", digits, Process_pidColumns[i].label);
Process_fields[Process_pidColumns[i].id].title = Process_titleBuffer[i];
}
sprintf(Process_pidFormat, "%%%du ", digits);
}
void Process_humanNumber(RichString* str, unsigned long number, bool coloring) {
char buffer[11];
int len;
@ -426,7 +448,7 @@ void Process_writeField(Process* this, RichString* str, ProcessField field) {
case ST_UID: snprintf(buffer, n, "%4d ", this->st_uid); break;
case TIME: Process_printTime(str, this->time); return;
case TGID: snprintf(buffer, n, Process_pidFormat, this->tgid); break;
case TPGID: snprintf(buffer, n, Process_tpgidFormat, this->tpgid); break;
case TPGID: snprintf(buffer, n, Process_pidFormat, this->tpgid); break;
case TTY_NR: snprintf(buffer, n, "%5u ", this->tty_nr); break;
case USER: {
if (Process_getuid != (int) this->st_uid)