FilesExpand file tree

 master

/

argv-array.c

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

90 lines (76 loc) · 1.77 KB

 master

/

argv-array.c

Copy path

Top

File metadata and controls

• Code
• Blame

90 lines (76 loc) · 1.77 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

#include "cache.h"

#include "argv-array.h"

#include "strbuf.h"

const char *empty_argv[] = { NULL };

void argv_array_init(struct argv_array *array)

{

array->argv = empty_argv;

array->argc = 0;

array->alloc = 0;

}

static void argv_array_push_nodup(struct argv_array *array, const char *value)

{

if (array->argv == empty_argv)

array->argv = NULL;

ALLOC_GROW(array->argv, array->argc + 2, array->alloc);

array->argv[array->argc++] = value;

array->argv[array->argc] = NULL;

}

void argv_array_push(struct argv_array *array, const char *value)

{

argv_array_push_nodup(array, xstrdup(value));

}

void argv_array_pushf(struct argv_array *array, const char *fmt, ...)

{

va_list ap;

struct strbuf v = STRBUF_INIT;

va_start(ap, fmt);

strbuf_vaddf(&v, fmt, ap);

va_end(ap);

argv_array_push_nodup(array, strbuf_detach(&v, NULL));

}

void argv_array_pushl(struct argv_array *array, ...)

{

va_list ap;

const char *arg;

va_start(ap, array);

while((arg = va_arg(ap, const char *)))

argv_array_push(array, arg);

va_end(ap);

}

void argv_array_pop(struct argv_array *array)

{

if (!array->argc)

return;

free((char *)array->argv[array->argc - 1]);

array->argv[array->argc - 1] = NULL;

array->argc--;

}

void argv_array_clear(struct argv_array *array)

{

if (array->argv != empty_argv) {

int i;

for (i = 0; i < array->argc; i++)

free((char *)array->argv[i]);

free(array->argv);

}

argv_array_init(array);

}

const char **argv_array_detach(struct argv_array *array, int *argc)

{

const char **argv =

array->argv == empty_argv || array->argc == 0 ? NULL : array->argv;

if (argc)

*argc = array->argc;

argv_array_init(array);

return argv;

}

void argv_array_free_detached(const char **argv)

{

if (argv) {

int i;

for (i = 0; argv[i]; i++)

free((char **)argv[i]);

free(argv);

}

}