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Check for leading space chars in the asm text and remove them. (#2192)

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Rot127 2023-11-10 02:58:46 +00:00 committed by GitHub
parent f8b7ae7c2a
commit b87cf06209
1 changed files with 22 additions and 0 deletions
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22
cs.c
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@ -562,6 +562,27 @@ static int str_replace(char *result, char *target, const char *str1, char *str2)
return -1; return -1;
} }
/// The asm string sometimes has a leading space or tab.
/// Here we remove it.
static void fixup_asm_string(char *asm_str) {
if (!asm_str) {
return;
}
int i = 0;
int k = 0;
bool text_reached = (asm_str[0] != ' ' && asm_str[0] != '\t');
while (asm_str[i]) {
if (!text_reached && (asm_str[i] == ' ' || asm_str[i] == '\t')) {
++i;
text_reached = true;
continue;
}
asm_str[k] = asm_str[i];
++k, ++i;
}
asm_str[k] = '\0';
}
// fill insn with mnemonic & operands info // fill insn with mnemonic & operands info
static void fill_insn(struct cs_struct *handle, cs_insn *insn, char *buffer, MCInst *mci, static void fill_insn(struct cs_struct *handle, cs_insn *insn, char *buffer, MCInst *mci,
PostPrinter_t postprinter, const uint8_t *code) PostPrinter_t postprinter, const uint8_t *code)
@ -569,6 +590,7 @@ static void fill_insn(struct cs_struct *handle, cs_insn *insn, char *buffer, MCI
#ifndef CAPSTONE_DIET #ifndef CAPSTONE_DIET
char *sp, *mnem; char *sp, *mnem;
#endif #endif
fixup_asm_string(buffer);
uint16_t copy_size = MIN(sizeof(insn->bytes), insn->size); uint16_t copy_size = MIN(sizeof(insn->bytes), insn->size);
// fill the instruction bytes. // fill the instruction bytes.