mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-02 02:06:46 +00:00
f908b15fb5
- Fix static build - Fix dupped symbols * Fix all errors reported by clang-analyzer - Some null dereferences - Some uninitialized variable uses * Fix all important warnings from the farm - Remove *all* uses of alloca - Fix many %llx format string portability issues * Fix manpage typos reported by lintian (thanks sre)
101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/* radare - LGPL - Copyright 2011 pancake<nopcode.org> */
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#include <r_core.h>
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#if 0
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Patch format
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============
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^# -> comments
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. -> execute command
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! -> execute command
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OFFSET { code block }
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OFFSET "string"
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OFFSET 01020304
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OFFSET : assembly
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+ {code}|"str"|0210|: asm
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#endif
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R_API int r_core_patch (RCore *core, const char *patch) {
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char *p, *p2, *q, str[200], tmp[64];
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ut64 noff = 0LL;
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FILE *fd = fopen (patch, "r");
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if (fd==NULL) {
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eprintf ("Cannot open patch file\n");
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return 1;
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}
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while (!feof (fd)) {
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fgets (str, sizeof (str), fd);
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if (*str=='#' || *str=='\n' || *str=='\r')
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continue;
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if (*str=='.' || *str=='!') {
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r_core_cmd0 (core, str);
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continue;
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}
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p = strchr (str+1, ' ');
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if (p) {
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*p = 0;
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for (++p;*p==' ';p++); // XXX: skipsspaces here
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switch (*p) {
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case '{': {
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char *s, *off = strdup (str);
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RBuffer *b = r_buf_new ();
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while (!feof (fd)) {
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fgets (str, sizeof (str), fd);
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if (*str=='}')
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break;
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if ((q=strstr (str, "${"))) {
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char *end = strchr (q+2,'}');
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if (end) {
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*q = *end = 0;
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noff = r_num_math (core->num, q+2);
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r_buf_append_bytes (b, (const ut8*)str, strlen (str));
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snprintf (tmp, sizeof (tmp), "0x%08"PFMT64x, noff);
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r_buf_append_bytes (b, (const ut8*)tmp, strlen (tmp));
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r_buf_append_bytes (b, (const ut8*)end+1, strlen (end+1));
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}
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} else r_buf_append_bytes (b, (const ut8*)str, strlen (str));
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}
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s = r_buf_to_string (b);
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r_egg_load (core->egg, s, 0);
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free (s);
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r_egg_compile (core->egg);
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r_egg_assemble (core->egg);
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r_buf_free (b);
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b = r_egg_get_bin (core->egg);
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if (strcmp (off, "+"))
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noff = r_num_math (core->num, off);
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r_core_write_at (core, noff, b->buf, b->length);
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noff += b->length;
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r_buf_free (b);
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free (off);
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}
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break;
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case '"':
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p2 = strchr (p+1,'"');
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if (p2) *p2=0;
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r_core_cmdf (core, "s %s", str);
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r_core_cmdf (core, "\" %s\"", p+1);
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break;
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case ':':
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r_core_cmdf (core, "s %s", str);
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r_core_cmdf (core, "wa %s", p);
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break;
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default:
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r_core_cmdf (core, "s %s", str);
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r_core_cmdf (core, "wx %s", p);
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break;
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}
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}
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}
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fclose (fd);
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return 0;
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}
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