/* A simple growing buffer for GDB. Copyright (C) 2009-2015 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "common-defs.h" #include "xml-utils.h" #include "buffer.h" #include "inttypes.h" void buffer_grow (struct buffer *buffer, const char *data, size_t size) { char *new_buffer; size_t new_buffer_size; if (size == 0) return; new_buffer_size = buffer->buffer_size; if (new_buffer_size == 0) new_buffer_size = 1; while (buffer->used_size + size > new_buffer_size) new_buffer_size *= 2; new_buffer = xrealloc (buffer->buffer, new_buffer_size); memcpy (new_buffer + buffer->used_size, data, size); buffer->buffer = new_buffer; buffer->buffer_size = new_buffer_size; buffer->used_size += size; } void buffer_free (struct buffer *buffer) { if (!buffer) return; xfree (buffer->buffer); buffer->buffer = NULL; buffer->buffer_size = 0; buffer->used_size = 0; } void buffer_init (struct buffer *buffer) { memset (buffer, 0, sizeof (*buffer)); } char* buffer_finish (struct buffer *buffer) { char *ret = buffer->buffer; buffer->buffer = NULL; buffer->buffer_size = 0; buffer->used_size = 0; return ret; } void buffer_xml_printf (struct buffer *buffer, const char *format, ...) { va_list ap; const char *f; const char *prev; int percent = 0; va_start (ap, format); prev = format; for (f = format; *f; f++) { if (percent) { char buf[32]; char *p; char *str = buf; const char *f_old = f; switch (*f) { case 's': str = va_arg (ap, char *); break; case 'd': sprintf (str, "%d", va_arg (ap, int)); break; case 'u': sprintf (str, "%u", va_arg (ap, unsigned int)); break; case 'x': sprintf (str, "%x", va_arg (ap, unsigned int)); break; case 'o': sprintf (str, "%o", va_arg (ap, unsigned int)); break; case 'l': f++; switch (*f) { case 'd': sprintf (str, "%ld", va_arg (ap, long)); break; case 'u': sprintf (str, "%lu", va_arg (ap, unsigned long)); break; case 'x': sprintf (str, "%lx", va_arg (ap, unsigned long)); break; case 'o': sprintf (str, "%lo", va_arg (ap, unsigned long)); break; case 'l': f++; switch (*f) { case 'd': sprintf (str, "%" PRId64, (int64_t) va_arg (ap, long long)); break; case 'u': sprintf (str, "%" PRIu64, (uint64_t) va_arg (ap, unsigned long long)); break; case 'x': sprintf (str, "%" PRIx64, (uint64_t) va_arg (ap, unsigned long long)); break; case 'o': sprintf (str, "%" PRIo64, (uint64_t) va_arg (ap, unsigned long long)); break; default: str = 0; break; } break; default: str = 0; break; } break; default: str = 0; break; } if (str) { buffer_grow (buffer, prev, f_old - prev - 1); p = xml_escape_text (str); buffer_grow_str (buffer, p); xfree (p); prev = f + 1; } percent = 0; } else if (*f == '%') percent = 1; } buffer_grow_str (buffer, prev); va_end (ap); }