1 files changed, 86 insertions, 86 deletions

diff --git a/lib/find-syms.c b/lib/find-syms.c
index 84df9b4..44adf78 100644
--- a/lib/find-syms.c
+++ b/lib/find-syms.c
@@ -15,65 +15,65 @@ static uintptr_t (*ImageLoaderMachO_getSlide)(void *);
 static const struct mach_header *(*ImageLoaderMachO_machHeader)(void *);
 
 static void *sym_to_ptr(substitute_sym *sym, intptr_t slide) {
-	uintptr_t addr = sym->n_value;
-	addr += slide;
-	if (sym->n_desc & N_ARM_THUMB_DEF)
-		addr |= 1;
-	return (void *) addr;
+    uintptr_t addr = sym->n_value;
+    addr += slide;
+    if (sym->n_desc & N_ARM_THUMB_DEF)
+        addr |= 1;
+    return (void *) addr;
 }
 
 static void find_syms_raw(const void *hdr, intptr_t *slide, const char **names, substitute_sym **syms, size_t count) {
-	memset(syms, 0, sizeof(*syms) * count);
-
-	/* note: no verification at all */
-	const mach_header_x *mh = hdr;
-	uint32_t ncmds = mh->ncmds;
-	struct load_command *lc = (void *) (mh + 1);
-	struct symtab_command syc;
-	for (uint32_t i = 0; i < ncmds; i++) {
-		if (lc->cmd == LC_SYMTAB) {
-			syc = *(struct symtab_command *) lc;
-			goto ok;
-		}
-		lc = (void *) lc + lc->cmdsize;
-	}
-	return; /* no symtab, no symbols */
+    memset(syms, 0, sizeof(*syms) * count);
+
+    /* note: no verification at all */
+    const mach_header_x *mh = hdr;
+    uint32_t ncmds = mh->ncmds;
+    struct load_command *lc = (void *) (mh + 1);
+    struct symtab_command syc;
+    for (uint32_t i = 0; i < ncmds; i++) {
+        if (lc->cmd == LC_SYMTAB) {
+            syc = *(struct symtab_command *) lc;
+            goto ok;
+        }
+        lc = (void *) lc + lc->cmdsize;
+    }
+    return; /* no symtab, no symbols */
 ok: ;
-	substitute_sym *symtab = NULL;
-	const char *strtab = NULL;
-	lc = (void *) (mh + 1);
-	for (uint32_t i = 0; i < ncmds; i++) {
-		if (lc->cmd == LC_SEGMENT_X) {
-			segment_command_x *sc = (void *) lc;
-			if (syc.symoff - sc->fileoff < sc->filesize)
-				symtab = (void *) sc->vmaddr + syc.symoff - sc->fileoff;
-			if (syc.stroff - sc->fileoff < sc->filesize)
-				strtab = (void *) sc->vmaddr + syc.stroff - sc->fileoff;
-			if (*slide == -1 && sc->fileoff == 0) {
-				// used only for dyld
-				*slide = (uintptr_t) hdr - sc->vmaddr;
-			}
-			if (symtab && strtab)
-				goto ok2;
-		}
-		lc = (void *) lc + lc->cmdsize;
-	}
-	return; /* uh... weird */
+    substitute_sym *symtab = NULL;
+    const char *strtab = NULL;
+    lc = (void *) (mh + 1);
+    for (uint32_t i = 0; i < ncmds; i++) {
+        if (lc->cmd == LC_SEGMENT_X) {
+            segment_command_x *sc = (void *) lc;
+            if (syc.symoff - sc->fileoff < sc->filesize)
+                symtab = (void *) sc->vmaddr + syc.symoff - sc->fileoff;
+            if (syc.stroff - sc->fileoff < sc->filesize)
+                strtab = (void *) sc->vmaddr + syc.stroff - sc->fileoff;
+            if (*slide == -1 && sc->fileoff == 0) {
+                // used only for dyld
+                *slide = (uintptr_t) hdr - sc->vmaddr;
+            }
+            if (symtab && strtab)
+                goto ok2;
+        }
+        lc = (void *) lc + lc->cmdsize;
+    }
+    return; /* uh... weird */
 ok2: ;
-	symtab = (void *) symtab + *slide;
-	strtab = (void *) strtab + *slide;
-	/* This could be optimized for efficiency with a large number of names... */
-	for (uint32_t i = 0; i < syc.nsyms; i++) {
-		substitute_sym *sym = &symtab[i];
-		uint32_t strx = sym->n_un.n_strx;
-		const char *name = strx == 0 ? "" : strtab + strx;
-		for (size_t j = 0; j < count; j++) {
-			if (!strcmp(name, names[j])) {
-				syms[j] = sym;
-				break;
-			}
-		}
-	}
+    symtab = (void *) symtab + *slide;
+    strtab = (void *) strtab + *slide;
+    /* This could be optimized for efficiency with a large number of names... */
+    for (uint32_t i = 0; i < syc.nsyms; i++) {
+        substitute_sym *sym = &symtab[i];
+        uint32_t strx = sym->n_un.n_strx;
+        const char *name = strx == 0 ? "" : strtab + strx;
+        for (size_t j = 0; j < count; j++) {
+            if (!strcmp(name, names[j])) {
+                syms[j] = sym;
+                break;
+            }
+        }
+    }
 }
 
 /* This is a mess because the usual _dyld_image_count loop is not thread safe.
@@ -87,56 +87,56 @@ ok2: ;
  */
 
 static void inspect_dyld() {
-	const struct dyld_all_image_infos *aii = _dyld_get_all_image_infos();
-	const void *dyld_hdr = aii->dyldImageLoadAddress;
-
-	const char *names[2] = { "__ZNK16ImageLoaderMachO8getSlideEv", "__ZNK16ImageLoaderMachO10machHeaderEv" };
-	substitute_sym *syms[2];
-	intptr_t dyld_slide = -1;
-	find_syms_raw(dyld_hdr, &dyld_slide, names, syms, 2);
-	if (!syms[0] || !syms[1])
-		substitute_panic("couldn't find ImageLoader methods\n");
-	ImageLoaderMachO_getSlide = sym_to_ptr(syms[0], dyld_slide);
-	ImageLoaderMachO_machHeader = sym_to_ptr(syms[1], dyld_slide);
+    const struct dyld_all_image_infos *aii = _dyld_get_all_image_infos();
+    const void *dyld_hdr = aii->dyldImageLoadAddress;
+
+    const char *names[2] = { "__ZNK16ImageLoaderMachO8getSlideEv", "__ZNK16ImageLoaderMachO10machHeaderEv" };
+    substitute_sym *syms[2];
+    intptr_t dyld_slide = -1;
+    find_syms_raw(dyld_hdr, &dyld_slide, names, syms, 2);
+    if (!syms[0] || !syms[1])
+        substitute_panic("couldn't find ImageLoader methods\n");
+    ImageLoaderMachO_getSlide = sym_to_ptr(syms[0], dyld_slide);
+    ImageLoaderMachO_machHeader = sym_to_ptr(syms[1], dyld_slide);
 }
 
 /* 'dlopen_header' keeps the image alive */
 EXPORT
 struct substitute_image *substitute_open_image(const char *filename) {
-	pthread_once(&dyld_inspect_once, inspect_dyld);
-
-	void *dlhandle = dlopen(filename, RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
-	if (!dlhandle)
-		return NULL;
-
-	const void *image_header = ImageLoaderMachO_machHeader(dlhandle);
-	intptr_t slide = ImageLoaderMachO_getSlide(dlhandle);
-
-	struct substitute_image *im = malloc(sizeof(*im));
-	if (!im)
-		return NULL;
-	im->slide = slide;
-	im->dlhandle = dlhandle;
-	im->image_header = image_header;
-	return im;
+    pthread_once(&dyld_inspect_once, inspect_dyld);
+
+    void *dlhandle = dlopen(filename, RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
+    if (!dlhandle)
+        return NULL;
+
+    const void *image_header = ImageLoaderMachO_machHeader(dlhandle);
+    intptr_t slide = ImageLoaderMachO_getSlide(dlhandle);
+
+    struct substitute_image *im = malloc(sizeof(*im));
+    if (!im)
+        return NULL;
+    im->slide = slide;
+    im->dlhandle = dlhandle;
+    im->image_header = image_header;
+    return im;
 }
 
 EXPORT
 void substitute_close_image(struct substitute_image *im) {
-	dlclose(im->dlhandle); /* ignore errors */
-	free(im);
+    dlclose(im->dlhandle); /* ignore errors */
+    free(im);
 }
 
 EXPORT
 int substitute_find_private_syms(struct substitute_image *im, const char **names,
                          substitute_sym **syms, size_t nsyms) {
-	find_syms_raw(im->image_header, &im->slide, names, syms, nsyms);
-	return SUBSTITUTE_OK;
+    find_syms_raw(im->image_header, &im->slide, names, syms, nsyms);
+    return SUBSTITUTE_OK;
 }
 
 EXPORT
 void *substitute_sym_to_ptr(struct substitute_image *handle, substitute_sym *sym) {
-	return sym_to_ptr(sym, handle->slide);
+    return sym_to_ptr(sym, handle->slide);
 }
 
 #endif /* __APPLE__ */