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common: New functions get_option_value and ascii_strupr.

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* common/server-help.c (get_option_value): New.
* common/stringhelp.c (ascii_strupr): New.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-02-08 09:32:55 +01:00
parent b79bc877f2
commit e2f18023b3
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
4 changed files with 71 additions and 1 deletions
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50
common/server-help.c
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@ -30,8 +30,22 @@
#include <config.h>
#include <string.h>
#include "server-help.h"
#include "util.h"
#include "server-help.h"
static GPGRT_INLINE gpg_error_t
my_error (int e)
{
return gpg_err_make (default_errsource, (e));
}
static GPGRT_INLINE gpg_error_t
my_error_from_syserror (void)
{
return gpg_err_make (default_errsource, gpg_err_code_from_syserror ());
}
/* Skip over options in LINE.
@ -114,6 +128,40 @@ has_option_name (const char *line, const char *name)
}
/* Parse an option with the format "--NAME=VALUE" which must occur in
* LINE before a double-dash. LINE is written to but not modified by
* this function. If the option is found and has a value the value is
* stored as a malloced string at R_VALUE. If the option was not
* found or an error occurred NULL is stored there. Note that
* currently the value must be a string without any space; we may
* eventually update this function to allow for a quoted value. */
gpg_error_t
get_option_value (char *line, const char *name, char **r_value)
{
char *p, *pend;
int c;
*r_value = NULL;
p = (char*)has_option_name (line, name);
if (!p || p >= skip_options (line))
return 0;
if (*p != '=' || !p[1] || spacep (p+1))
return my_error (GPG_ERR_INV_ARG);
p++;
for (pend = p; *pend && !spacep (pend); pend++)
;
c = *pend;
*pend = 0;
*r_value = xtrystrdup (p);
*pend = c;
if (!p)
return my_error_from_syserror ();
return 0;
}
/* Return a pointer to the argument of the option with NAME. If such
an option is not given, NULL is returned. */
char *