carg.h File Reference

argument utilities More...

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Data Structures
struct	CArg
	structure used to parse arguments More...

Functions
ANN m_str	option_argument (struct CArg *ca)
	returns the option to the argument, errors and returns if none
ANN Vector	split_args (MemPool, const m_str str)
	returns separated arguments from a string in a vector.

Detailed Description

argument utilities

Definition in file carg.h.

Function Documentation

option_argument()

ANN m_str option_argument

(

struct CArg *

ca

)

returns the option to the argument, errors and returns if none

Definition at line 7 of file carg.c.

                                           {
  const char  key = ca->argv[ca->idx][1];
  const m_str str = (ca->argv[ca->idx][2] == '\0' ? ca->argv[++ca->idx]
                                                  : ca->argv[ca->idx] + 2);
  if (!str) gw_err(_("option '-%c' needs arguments\n"), key);
  return str;
}

split_args()

ANN Vector split_args	(	MemPool	p,
		const m_str	str )

returns separated arguments from a string in a vector.

each value is a mp_allocated string. freeing it is caller responsability.

Definition at line 45 of file carg.c.

                                                  {
  struct ArgSplitter as = {.str = str, .v = new_vector(p) };
  _split_args(p, &as);
  return as.v;
}