[fusl] clang-format fusl

fusl/src/internal/vdso.c

 #include <elf.h>
 #include <limits.h>
 #include <stdint.h>
 #include <string.h>
 #include "libc.h"
 #include "syscall.h"
 
 #ifdef VDSO_USEFUL
 
 #if ULONG_MAX == 0xffffffff
 typedef Elf32_Ehdr Ehdr;
 typedef Elf32_Phdr Phdr;
 typedef Elf32_Sym Sym;
 typedef Elf32_Verdef Verdef;
 typedef Elf32_Verdaux Verdaux;
 #else
 typedef Elf64_Ehdr Ehdr;
 typedef Elf64_Phdr Phdr;
 typedef Elf64_Sym Sym;
 typedef Elf64_Verdef Verdef;
 typedef Elf64_Verdaux Verdaux;
 #endif
 
-static int checkver(Verdef *def, int vsym, const char *vername, char *strings)
-{
-        vsym &= 0x7fff;
-        for (;;) {
-                if (!(def->vd_flags & VER_FLG_BASE)
-                  && (def->vd_ndx & 0x7fff) == vsym)
-                        break;
-                if (def->vd_next == 0)
-                        return 0;
-                def = (Verdef *)((char *)def + def->vd_next);
-        }
-        Verdaux *aux = (Verdaux *)((char *)def + def->vd_aux);
-        return !strcmp(vername, strings + aux->vda_name);
+static int checkver(Verdef* def, int vsym, const char* vername, char* strings) {
+  vsym &= 0x7fff;
+  for (;;) {
+    if (!(def->vd_flags & VER_FLG_BASE) && (def->vd_ndx & 0x7fff) == vsym)
+      break;
+    if (def->vd_next == 0)
+      return 0;
+    def = (Verdef*)((char*)def + def->vd_next);
+  }
+  Verdaux* aux = (Verdaux*)((char*)def + def->vd_aux);
+  return !strcmp(vername, strings + aux->vda_name);
 }
 
-#define OK_TYPES (1<<STT_NOTYPE | 1<<STT_OBJECT | 1<<STT_FUNC | 1<<STT_COMMON)
-#define OK_BINDS (1<<STB_GLOBAL | 1<<STB_WEAK | 1<<STB_GNU_UNIQUE)
+#define OK_TYPES \
+  (1 << STT_NOTYPE | 1 << STT_OBJECT | 1 << STT_FUNC | 1 << STT_COMMON)
+#define OK_BINDS (1 << STB_GLOBAL | 1 << STB_WEAK | 1 << STB_GNU_UNIQUE)
 
-void *__vdsosym(const char *vername, const char *name)
-{
-        size_t i;
-        for (i=0; libc.auxv[i] != AT_SYSINFO_EHDR; i+=2)
-                if (!libc.auxv[i]) return 0;
-        Ehdr *eh = (void *)libc.auxv[i+1];
-        Phdr *ph = (void *)((char *)eh + eh->e_phoff);
-        size_t *dynv=0, base=-1;
-        for (i=0; i<eh->e_phnum; i++, ph=(void *)((char *)ph+eh->e_phentsize)) {
-                if (ph->p_type == PT_LOAD)
-                        base = (size_t)eh + ph->p_offset - ph->p_vaddr;
-                else if (ph->p_type == PT_DYNAMIC)
-                        dynv = (void *)((char *)eh + ph->p_offset);
-        }
-        if (!dynv || base==(size_t)-1) return 0;
+void* __vdsosym(const char* vername, const char* name) {
+  size_t i;
+  for (i = 0; libc.auxv[i] != AT_SYSINFO_EHDR; i += 2)
+    if (!libc.auxv[i])
+      return 0;
+  Ehdr* eh = (void*)libc.auxv[i + 1];
+  Phdr* ph = (void*)((char*)eh + eh->e_phoff);
+  size_t *dynv = 0, base = -1;
+  for (i = 0; i < eh->e_phnum; i++, ph = (void*)((char*)ph + eh->e_phentsize)) {
+    if (ph->p_type == PT_LOAD)
+      base = (size_t)eh + ph->p_offset - ph->p_vaddr;
+    else if (ph->p_type == PT_DYNAMIC)
+      dynv = (void*)((char*)eh + ph->p_offset);
+  }
+  if (!dynv || base == (size_t)-1)
+    return 0;
 
-        char *strings = 0;
-        Sym *syms = 0;
-        uint32_t *hashtab = 0;
-        uint16_t *versym = 0;
-        Verdef *verdef = 0;
-        
-        for (i=0; dynv[i]; i+=2) {
-                void *p = (void *)(base + dynv[i+1]);
-                switch(dynv[i]) {
-                case DT_STRTAB: strings = p; break;
-                case DT_SYMTAB: syms = p; break;
-                case DT_HASH: hashtab = p; break;
-                case DT_VERSYM: versym = p; break;
-                case DT_VERDEF: verdef = p; break;
-                }
-        }       
+  char* strings = 0;
+  Sym* syms = 0;
+  uint32_t* hashtab = 0;
+  uint16_t* versym = 0;
+  Verdef* verdef = 0;
 
-        if (!strings || !syms || !hashtab) return 0;
-        if (!verdef) versym = 0;
+  for (i = 0; dynv[i]; i += 2) {
+    void* p = (void*)(base + dynv[i + 1]);
+    switch (dynv[i]) {
+      case DT_STRTAB:
+        strings = p;
+        break;
+      case DT_SYMTAB:
+        syms = p;
+        break;
+      case DT_HASH:
+        hashtab = p;
+        break;
+      case DT_VERSYM:
+        versym = p;
+        break;
+      case DT_VERDEF:
+        verdef = p;
+        break;
+    }
+  }
 
-        for (i=0; i<hashtab[1]; i++) {
-                if (!(1<<(syms[i].st_info&0xf) & OK_TYPES)) continue;
-                if (!(1<<(syms[i].st_info>>4) & OK_BINDS)) continue;
-                if (!syms[i].st_shndx) continue;
-                if (strcmp(name, strings+syms[i].st_name)) continue;
-                if (versym && !checkver(verdef, versym[i], vername, strings))
-                        continue;
-                return (void *)(base + syms[i].st_value);
-        }
+  if (!strings || !syms || !hashtab)
+    return 0;
+  if (!verdef)
+    versym = 0;
 
-        return 0;
+  for (i = 0; i < hashtab[1]; i++) {
+    if (!(1 << (syms[i].st_info & 0xf) & OK_TYPES))
+      continue;
+    if (!(1 << (syms[i].st_info >> 4) & OK_BINDS))
+      continue;
+    if (!syms[i].st_shndx)
+      continue;
+    if (strcmp(name, strings + syms[i].st_name))
+      continue;
+    if (versym && !checkver(verdef, versym[i], vername, strings))
+      continue;
+    return (void*)(base + syms[i].st_value);
+  }
+
+  return 0;
 }
 
 #endif