daandemeyer / rpms / systemd

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From 85ccda9eabb6b89e644cedd9faafb5dbe97e8341 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Wed, 7 Nov 2018 15:25:51 +0100
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Subject: [PATCH] format-table: add option to store/format percent and uint64_t
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 values in cells
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(cherry picked from commit a4661181fa702a8bff4644210ba7ea14bea51a4a)
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Related: #1689832
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---
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 src/basic/format-table.c | 48 ++++++++++++++++++++++++++++++++++++++++
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 src/basic/format-table.h |  2 ++
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 src/basic/macro.h        |  9 ++++++++
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 3 files changed, 59 insertions(+)
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diff --git a/src/basic/format-table.c b/src/basic/format-table.c
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index 17be7285cd..64b9eb4108 100644
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--- a/src/basic/format-table.c
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+++ b/src/basic/format-table.c
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@@ -70,6 +70,8 @@ typedef struct TableData {
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                 uint64_t size;
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                 char string[0];
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                 uint32_t uint32;
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+                uint64_t uint64;
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+                int percent;        /* we use 'int' as datatype for percent values in order to match the result of parse_percent() */
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                 /* … add more here as we start supporting more cell data types … */
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         };
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 } TableData;
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@@ -235,11 +237,15 @@ static size_t table_data_size(TableDataType type, const void *data) {
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                 return sizeof(usec_t);
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         case TABLE_SIZE:
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+        case TABLE_UINT64:
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                 return sizeof(uint64_t);
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         case TABLE_UINT32:
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                 return sizeof(uint32_t);
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+        case TABLE_PERCENT:
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+                return sizeof(int);
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+
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         default:
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                 assert_not_reached("Uh? Unexpected cell type");
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         }
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@@ -599,6 +605,8 @@ int table_add_many_internal(Table *t, TableDataType first_type, ...) {
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                         uint64_t size;
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                         usec_t usec;
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                         uint32_t uint32;
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+                        uint64_t uint64;
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+                        int percent;
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                         bool b;
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                 } buffer;
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@@ -633,6 +641,16 @@ int table_add_many_internal(Table *t, TableDataType first_type, ...) {
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                         data = &buffer.uint32;
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                         break;
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+                case TABLE_UINT64:
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+                        buffer.uint64 = va_arg(ap, uint64_t);
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+                        data = &buffer.uint64;
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+                        break;
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+
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+                case TABLE_PERCENT:
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+                        buffer.percent = va_arg(ap, int);
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+                        data = &buffer.percent;
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+                        break;
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+
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                 case _TABLE_DATA_TYPE_MAX:
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                         /* Used as end marker */
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                         va_end(ap);
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@@ -772,6 +790,12 @@ static int cell_data_compare(TableData *a, size_t index_a, TableData *b, size_t
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                                 return 1;
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                         return 0;
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+                case TABLE_UINT64:
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+                        return CMP(a->uint64, b->uint64);
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+
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+                case TABLE_PERCENT:
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+                        return CMP(a->percent, b->percent);
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+
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                 default:
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                         ;
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                 }
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@@ -894,6 +918,30 @@ static const char *table_data_format(TableData *d) {
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                 break;
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         }
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+        case TABLE_UINT64: {
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+                _cleanup_free_ char *p;
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+
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+                p = new(char, DECIMAL_STR_WIDTH(d->uint64) + 1);
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+                if (!p)
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+                        return NULL;
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+
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+                sprintf(p, "%" PRIu64, d->uint64);
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+                d->formatted = TAKE_PTR(p);
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+                break;
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+        }
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+
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+        case TABLE_PERCENT: {
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+                _cleanup_free_ char *p;
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+
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+                p = new(char, DECIMAL_STR_WIDTH(d->percent) + 2);
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+                if (!p)
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+                        return NULL;
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+
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+                sprintf(p, "%i%%" , d->percent);
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+                d->formatted = TAKE_PTR(p);
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+                break;
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+        }
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+
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         default:
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                 assert_not_reached("Unexpected type?");
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         }
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diff --git a/src/basic/format-table.h b/src/basic/format-table.h
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index 9978a8baf2..2db2084062 100644
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--- a/src/basic/format-table.h
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+++ b/src/basic/format-table.h
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@@ -15,6 +15,8 @@ typedef enum TableDataType {
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         TABLE_TIMESPAN,
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         TABLE_SIZE,
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         TABLE_UINT32,
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+        TABLE_UINT64,
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+        TABLE_PERCENT,
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         _TABLE_DATA_TYPE_MAX,
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         _TABLE_DATA_TYPE_INVALID = -1,
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 } TableDataType;
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diff --git a/src/basic/macro.h b/src/basic/macro.h
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index d1365f7058..79ab02b27a 100644
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--- a/src/basic/macro.h
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+++ b/src/basic/macro.h
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@@ -222,6 +222,15 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
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                 UNIQ_T(A,aq) > UNIQ_T(B,bq) ? UNIQ_T(A,aq) - UNIQ_T(B,bq) : 0; \
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         })
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+#define CMP(a, b) __CMP(UNIQ, (a), UNIQ, (b))
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+#define __CMP(aq, a, bq, b)                             \
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+        ({                                              \
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+                const typeof(a) UNIQ_T(A, aq) = (a);    \
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+                const typeof(b) UNIQ_T(B, bq) = (b);    \
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+                UNIQ_T(A, aq) < UNIQ_T(B, bq) ? -1 :    \
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+                UNIQ_T(A, aq) > UNIQ_T(B, bq) ? 1 : 0;  \
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+        })
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+
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 #undef CLAMP
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 #define CLAMP(x, low, high) __CLAMP(UNIQ, (x), UNIQ, (low), UNIQ, (high))
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 #define __CLAMP(xq, x, lowq, low, highq, high)                          \