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* defs.h (xsnprintf): New prototype.

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* utils.c (xsnprintf): New function.
This commit is contained in:
Mark Kettenis 2005-03-17 22:11:09 +00:00
parent 3ecda4574e
commit bde2058dde
3 changed files with 21 additions and 0 deletions
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3
gdb/ChangeLog
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@ -1,5 +1,8 @@
2005-03-17 Mark Kettenis <kettenis@gnu.org>
* defs.h (xsnprintf): New prototype.
* utils.c (xsnprintf): New function.
* corelow.c (get_core_register_section): Replace usage of sprintf
and strcpy with xstrprintf and xstrdup.

4
gdb/defs.h
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@ -879,6 +879,10 @@ extern void xvasprintf (char **ret, const char *format, va_list ap);
extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
extern char *xstrvprintf (const char *format, va_list ap);
/* Like snprintf, but throw an error if the output buffer is too small. */
extern int xsnprintf (char *str, size_t size, const char *format, ...)
ATTR_FORMAT (printf, 3, 4);
extern int parse_escape (char **);
/* Message to be printed before the error message, when an error occurs. */

14
gdb/utils.c
View file

@ -1079,6 +1079,20 @@ xstrvprintf (const char *format, va_list ap)
return ret;
}
int
xsnprintf (char *str, size_t size, const char *format, ...)
{
va_list args;
int ret;
va_start (args, format);
ret = vsnprintf (str, size, format, args);
gdb_assert (ret < size);
va_end (args);
return ret;
}
/* My replacement for the read system call.
Used like `read' but keeps going if `read' returns too soon. */